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TTC50 user manual V2.0

1. Document Title User Manual Page 76 417 3 Maximum ratings Tambient 40 D I 85 C Symbol Parameter Note min max Units Vcan cn Bus voltage under overload conditions 20 40 V Vcan cn i e short circuit to supply voltages 4 17 4 Characteristics Tambient 40 D I 85 C Symbol Parameter Note min max Units Cout Pin output capacitance 100 pF Vin CMM Input common mode range 1 2 7 V Vin dit Differential input threshold voltage 0 5 0 9 V Vcan cn Vcan cnc Voutdif Differential output voltage dominant state 1 5 3 0 V Vcan cn si Vcan oul Vout gif Differential output voltage recessive state 0 1 0 1 V Voan cn Voan cnt Vcan en Common mode idle voltage recessive state 2 3 V Vcan CNH Ican cu Output current limit 40 200 mA lcan cnH Output current limit 40 200 mA Sr Bit rate 2 1000 kBit s Sr Bit rate 3 500 kBit s Hier Termination resistance 115 125 Q Note 1 due to high current in the wiring harness the individual ground potential of control units may differ up to several Volts This difference will appear also between a transmitting and receiving control unit as common mode voltage and does not influence the differential bus signal as long as it is within the common mode limits Note 2 please observe the limitations of CAN The arbitration process will allow 1Mbit s operation only in small networks and reduced wire length As example a so called private C
2. 4 15 2 Functional description LIN is a bidirectional half duplex serial bus for up to 10 nodes 1 Note1 The TTC 50 is the LIN master The LIN standard is only defined for 12V supply Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Page 69 Product Name TTC 50 60 90 Document Title User Manual ECU ECU BAT 12 24V BAT 12 24V Signal Line LIN Bidirectional ER Figure 26 half duplex interface Please note that a common ground chassis or a proper ground connection is necessary for LIN operation In case of connecting via connectors e g to a PC with LIN interface please make sure that the maximum voltage ratings are not violated when connecting to or disconnecting from the LIN connection Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH Product Name TTC 50 60 90 TI Control Document Title User Manual Page 70 4 15 3 Maximum ratings Tambient 40 D I 85 C Symbol Parameter Note min max Units VLN Bus voltage under overload conditions 1 32 V i e short circuit to supply voltages 4 15 4 Characteristics Tambient 40 D I 85 C Symbol Parameter Note min max Units ac Pin output capacitance 100 150 pF Vi Input voltage for low level 1 0 3 Ugat V Vu Input voltage for high level 0 7 Ubat Ubat V
3. Note 1 Resistance values in that range will neither generate overload min value nor open load max value detection Loads with any resistor value in that window will be detected as normal load Note 2 Resistance values higher than this threshold will be detected as open load Note 3 After some milliseconds operated in or above this current range the internal overload protection will switch off the output Note 4 Last Change 12 22 2009 11 43 00 AM Author WDI Internal current limit for short circuit protection to limit excessive power dissipation File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Document Title User Manual Page 64 Power output 4A high side 4 14 15Pinout 141 142 143 144 EEE wm wm wm mm wm mm me Hi wm wm mm mm mm mm im 129 130 131 132 Connector Pin Number Function P144 Power Output 0 P132 Power Output 1 P143 Power Output 2 P131 Power Output 3 P142 Power Output 4 P130 Power Output 5 P141 Power Output 6 P129 Power Output 7 4 14 16Functional description Power output stage for resistive loads with low side connection Suitable loads are lamps valves relays etc When using highly inductive loads operated at high current values the maximum switch off energy must be calculated carefully not to overload the output clamping For inductive actuators exceeding the dissipation limit an external freewheeling diode must be added
4. 60 4 14 12 Example for switch off energy calculation for inductive loads 61 4 14 13 Characteristics of Low Side Switch 62 4 14 14 Load Diagnostic Function 5eme 63 4 14 15 Bda o O tiens ksh 64 4 14 16 Functional description 64 4 14 17 Example for switch off energy calculation for inductive loads 65 4 14 18 Maximum gege 66 4 14 19 Characteristics of output sage E 66 4 14 20 Characteristics of analog input alternate function of output stage 66 4 14 21 Load Diagnostic Function so om oom cam onani ali aa 67 4 15 LIN interface oom mina enam TE EE an ae an aan 68 Ao Prose 68 4 15 2 Functional description 68 4 15 3 Maximum ratings sara assa Nas aan ae maka 70 4 15 4 Characterstce AA 70 416 RS232 interface ss 71 4 16 1 Pinout eee 71 4 16 2 Functional description 71 4163 MANU e 0 E 73 4 16 4 Characteristics ie 73 4 17 CAN interface ISO 11898 74 4171 GE 74 4 17 2 Functional description 75 4AT Maximu m ratings RR SER ES LERENDE bt ea enmpl late Mane ala 76 4174 Characteristics io mo W oo Wu eka una san an naa aen er 76 4 18 Mini Module Current measurement ss 77 4161 PINOU sas cadececcastssspeatsqctarcnyvusia dees San en nana n Re a danse secs nana Kan KA ANIS RAE ARENA BAN ERA Ka an ana RR Na 77 4 18 2 Functional description 78 4 18 3 Suitable functions for the Mini
5. Connector Pin Number Function P275 Digital Timer Input 0 P268 Digital Timer Input 1 P274 Digital Timer Input 2 P267 Digital Timer Input 3 4 12 2 Functional description Four digital inputs with timer function are provided to process input signals like frequency rotational speed pulse count and quadrature decoding incremental length measurement PWM etc The inputs can be configured with different pull up pull down resistors and input thresholds by software individually to adapt to different sensor types like 3pin NPN type sensors 3pin PNP type sensors 2pin current loop sensors ABS type with 7 14mA output signal 2pin sensors with minimum load current requirement The input is overload protected in all settings including current input setting Additionally the inputs can also be set to standard digital or analog input with the same pull up pull down options Supported analog measurement modes are absolute and ratiometric Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Document Title User Manual Page 45 ECU RPM Sensor Figure 12 Digital input for frequency timing measurement with NPN type 3pole sensor ECU RPM Sensor 7 14mA Sensor Figure 13 Digital input for frequency timing measurement with ABS type 7 14mA 2pole sensor Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc T
6. T ambient 40 D I 85 C TI Control Page 23 Symbol Parameter Note min max Units Cin Pin input capacitance 40 60 nF Rou Pulldown resistor to GND 9 85 10 15 kQ Vi Input voltage for low level 1 1 8 V Vin Input voltage for high level 3 8 Ubat V Tin Input low pass filter 0 4 0 6 ms Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Document Title User Manual Page 24 4 7 Variable Sensor supply 4 7 1 Pinout nm mm mm mm 269 nm EH mm mm mm mm mm wem mm Connector Pin Number Function P269 Sensor Supply Output Variable 4 7 2 Functional description This sensor supply output is provided for sensors that operate at higher voltages than 5V Examples are analog or digital current loop sensors that do not withstand direct connection to battery In this case the sensor supply acts as voltage limiter The software can configure this output to one of the following nominal supply voltages 8 5V 10 0V 14 5V Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Document Title User Manual Page 25 Typical sensors supplied with 14 5V are the current loop ABS type speed sensors and analog transducers e g pressure sensors with current output The actual output voltage is read back by the ADC unit for mon
7. 4 8 6 Supply Voltage Correction Formula Correction formula for ratiometric measurement ver V N ADC ANx Uw rat k N ADC UGEBy Neuen ADC value of sensor supply voltage None ADC value of sensor input voltage ER Ratiometric equivalent input voltage Result in volts calculated for a supply of exactly 5V Example An input voltage with 20 of sensor supply will show a result of 1 0V regardless of actual sensor supply voltage within the normal operating range The software drivers for ADC 0 5V and ADC 0 32V inputs use this calculation formula for the output result when set to ratiometric input mode Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Document Title User Manual Page 32 4 9 Analog input 0 5V with SW configuration 4 9 1 Pinout Connector Pin Number Function 1 Function 2 Function 3 P152 Analog Input Analog Input Analog Input 0 0 SV 0 20mA 0 100kQ P140 Analog Input Analog Input Analog Input 1 0 SV 0 20mA 0 100kQ P151 Analog Input Analog Input Analog Input 2 0 SV 0 20mA 0 100kQ P139 Analog Input Analog Input Analog Input 3 0 SV 0 20mA 0 100kQ P150 Analog Input Analog Input Analog Input 4 0 SV 0 20mA 0 100kQ P138 Analog Input Analog Input Analog Input 5 0 SV 0 20mA 0 100kQ P149 Analog Input Analog Input Analog Input 6 0
8. Example It is not ok to use one cable with a length of two meters and large diameter for a connection between a fuse box and the ECU and crimp it to 2 piggy tails with small diameter in the connector area Small differences in the contact pressure can lead to a big imbalance In worst case condition 1 contact carries most of the current load and is overloaded at maximum current It is better to use 2 wires with the same total cross sectional area than this one thick cable All wires must have exactly the same length and diameter In this case an evenly distribution of current will be the case even with slightly different contact resistance Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Document Title User Manual Page 19 4 2 Negative power supply BAT 421 Pinout 102 mn Connector Pin Number Function P102 Battery Supply Input 4 2 2 Functional description Supply pin for negative supply Power pin to be used with 1 5mm or 2 5mm wires for total return current of 17A 4 2 3 Maximum ratings ambient 40 85 C Symbol Parameter Note min Max Units linimax Permanent supply current 1 17 A Note 1 GND supply current in excess of 1A is produced by inductive loads during free wheeling This is not a continues current but a pulsed current with a duty cycle For high current values the duty cycle is s
9. Figure 2 Block diagram Last Change 12 22 2009 11 43 00 AM RAM 256k 16 CY7C1041CV3 Author WDI File name TTC50 user manual V2 0 doc O TTControl GmbH TI Control Document Title User Manual Page 15 4 Specification of Inputs and Outputs 4 1 Positive power supply BAT 411 Pinout EE EE EE mA mn __ Em 127 128 E HE _ a Dn a ae mm mm mm mm mm mm mm mm mm mm mm mm ma Connector Pin Number Function P101 Battery Supply Input for Internal Electronics P127 Battery Supply Input for Power Stages P128 Battery Supply Input for Power Stages 41 2 Functional description Supply pins for positive supply One power pin to be used for supplying the internal electronics Two power pins to be used in parallel with 2 5mm wires for total supply current of up to 30A For operation at least pin 101 and one of the pins 127 or 128 have to be connected If the total load current of the power stages exceeds 17A both pins for power stage supply have to be used Nominal supply voltage for full operation is 9 32V including both supply voltage ranges for 12 and 24V battery operation In this voltage range all I Os work according to the user manual For the Variable Senor Supply there is a different supply voltage spec Transients exceeding this voltage range are suppressed up to the non destructive limits found in the maximum ratings For 12V s
10. Output stage will be disabled off state by either watchdog CPU or main CPU if an error is detected in a safety critical resource For diagnostic reasons the output signal is looped back to the CPU and the measured value is compared to the set value When the output is not used the loop back signal can be used as analog input with an internal 10kQ pullup resistor Absolute and ratiometric modes referred to a sensor supply are supported Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Document Title User Manual Page 65 ECU Actuator Power Output Figure 24 Power output 4A high side 4 14 17Example for switch off energy calculation for inductive loads In this example an inductive load is operated at 24V and the actuator draws the maximum specified output current of 4A When switching off the stored energy in the inductance the output is driven to negative until the output stage clamps In this example this happens at 50V 24 26V referred to BAT The current linearly decreases from 4A to 0 within 1ms at almost constant clamp voltage So also the power dissipated in the output stage decreases from 200W 4A 50V down to O For a time of Ims the average power in the clamping phase is 100W which equals to 100mWs or 100mJ which is well below the limit of 170mJ 24V 4A OV OA ims 26V Figure 25 Power output 4A switch off waveform Last Change 12 2
11. TTC50 user manual V2 0 doc TTControl GmbH TI Control Document Title User Manual Page 53 4 14 2 Functional description Power output stage with freewheeling diode for inductive loads with low side connection Load current is controlled with PWM For better accuracy and diagnostics a current measurement feedback loop is provided Output stage will be disabled off state by either watchdog CPU or main CPU if an error is detected in a safety critical resource For diagnostic and safety reasons the actual PWM output signal is looped back to a timer input and the measured value is compared to the set value For safety critical applications fast error detection is necessary For this reason a permanent PWM output is available setting a minimum pulse pause to 250us instead of 0 or 100 duty cycle This means there is a reliable periodical state change of the output allowing permanent load monitoring independent of the operation point So even when the load is not powered a short on the load can be detected 4 14 3 Alternate functions When the pulse width modulation is not needed the output can be configured as simple digital output Instead of comparing output PWM to loopback PWM value the static level is compared When the output is not used the loop back input can be used as timer input with frequency or pulse width measurement mode see section 4 12 digital input for frequency timing measurement The sensor s output stage sh
12. from 0 5 up to 0 32V 2 P113 Analog input from 0 5 up to 0 32V 3 P124 Analog input from 0 5 up to 0 32V 4 P112 Analog input from 0 5 up to 0 32V 5 P123 Analog input from 0 5 up to 0 32V 6 P111 Analog input from 0 5 up to 0 32V 7 Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Document Title User Manual Page 38 4 10 2 Functional description Eight multi purpose analog input with 10 bit resolution are provided divided into 2 input groups each with 4 pins The inputs are intended to be used with analog sensors 0 5V ratiometric or with absolute reference analog sensors with higher output voltage than 5V and absolute reference each group can be adapted to different full scale voltages up to 0 32V per SW standard settings 0 5V 0 10V 0 15V 0 20V 0 25V 0 30V 0 32V full 10bit resolution for any range digital switch input with switches that may be connected either to ground or to battery supply The ADC values can be referenced either to internal supply or sensor supply ratiometric mode or to a internal accurate reference voltage absolute reference for each channel individually ECU analog Sensor Figure 9 Analog sensor input 0 32V Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Document Title User Manual Page 39 ECU Switch 5 12
13. voltage compensation for PWM controlled loads or for diagnostic purpose The input voltage is attenuated to a factor of 0 14826 nom or divided by 6 745 thus allowing voltage measurement up to 32 76V nom Tambient 40 D I 85 C Symbol Parameter Note min max Units Vout Scale factor nom 1 0 12466 fa LP Nominal battery supply range that can be 2 9 92 7 V measured Vro m ADC voltage tolerance of reading 3 4 4 Vrol 0 ADC voltage tolerance offset 3 0 1 0 1 V fa Lp Cut off frequency of 1 order low pass filter 4 30 50 Hz Note 1 12V input voltage will be attenuated to 1 496 on the ADC input Note 2 Low limit is given by minimum supply voltage of the ECU high limit is full scale limit of ADC Note 3 Total error is the sum of proportional error and zero reading error TUE EV Up P Note 4 A low pass filter 1 order is provided to remove glitches on the battery voltage from the ADC input 4 1 6 Wiring hints The ECU is limited to a total load current of 30A maximum for the power stages connected to pins 127 and 128 When all loads are tied towards ground the load current will be also carried by these supply pins Each contact pin is thermally limited to 17A maximum 2 supply pins work in parallel for the power stages supply So the system designer must be careful with the cable harness design to guarantee evenly distribution of supply current on all three pins
14. CAN Interface 0 Low Line P265 CAN Interface 1 High Line P259 CAN Interface 1 Low Line P258 Termination for CAN Interface 1 High Line P266 Termination for CAN Interface 1 Low Line Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Document Title User Manual Page 75 4 17 2 Functional description Bidirectional twisted pair bus Needs termination with 120Q 2 60 Q in 2 control units whereas the others remain unterminated Termination must be fit at the ends of the bus line to prevent wave reflection and is necessary to enter the recessive state For easy configuration there are 2 2 pin pairs for activating deactivating termination ECU CAN High High Termination Low controlle CAN High gt High KE Termination controlle gt Low CAN Low To next ECUs Figure 28 CAN interface Please note that a common ground chassis or a proper ground connection is necessary for CAN operation In case of connecting with an external device e g PC with CAN interface for downloading software please make sure that the maximum voltage ratings are not violated when connecting to or disconnecting from the CAN connection Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc O TTControl GmbH Product Name TTC 50 60 90 TI Control
15. Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Document Title User Manual Page 43 4 11 Board temperature sensor 4 11 1 Pinout Connector Pin Number Function No connector pin Board Temperature Sensor internal sensor 4 11 2 Functional description On board PTC type temperature sensor Allows monitoring ECU internal temperature for diagnostic purpose and safety features strategy to bring machine to safe state and switch off loads in case of over temperature detected 411 3 Characteristics Tanier 40 ae 85 C Symbol Parameter Note min max Units Top measure temperature range 40 130 C Olapc Resolution per K at 40 C 1 1 54 LSB Gan Resolution per K at 20 C 1 1 68 LSB Oapc Resolution per K at 130 C 1 1 12 LSB Vrol m Temperature tolerance at 120 C 3 6 6 K Note 1 due to characteristic of the sensor the resolution change of ADC value per degree K will depend on actual temperature value Characteristic values are listed for 3 different temperatures Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Document Title User Manual Page 44 4 12 Digital input for frequency timing measurement 4121 Pinout 274 275 mmm em wem wem m BB BE m mu mu E m 267 268 mm wem wem wem wem nm
16. Module 78 5 Apphcation Le 79 5 1 Wining E len 79 5 2 Load Distribution sisi 79 Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Document Title User Manual Page 6 1 General Description 1 1 Introduction TTC 50 is a family of programmable electronic control units for sensor actuator management Many configurable I Os allow its use with different sensor and actuator types The control unit is part of a complete and compatible product family and designed specifically for vehicles and machines that function in rough environments and at extreme operating temperatures Its robust die cast aluminum housing protects against electromagnetic disturbance and mechanical stress An 80 MHz Infineon XC2287 integrated microprocessor provides the necessary processing power The TTC 50 family consists of the following variants TTC 90 designed to fulfill safety requirements according to IEC 61508 SIL2 and ISO 13849 PL d TTC 60 TTC 50 This document applies to all available variants TTC 50 TTC 60 and TTC 90 Throughout this document any reference to TTC 50 includes all family members TTC 50 TTC 60 and TTC 90 Wherever specifications are not applicable for all variants the differences are pointed out within this document 1 2 Interfaces and I Os All TTC 50 inputs and outputs are protected against electrical surges and short circuits In addition internal safety measur
17. Note 1 This sensor supply is a tracking regulator to the internal 5V supply which is also the reference voltage of the ADC unit 4 8 5 Supply Voltage Monitoring and Correction T ambient 40 D I 85 C Symbol Parameter Note min max Units QUGEB Read back attenuation factor 1 0 9780 0 9789 Vue src Read back values normal operation 2 4 865 4 910 V KREF Reference correction value 4 8924 V Note 1 Supply is read back to allow ratiometric measurement Due to tolerances the sensor supply might be higher than the ADC reference thus exceeding the allowed voltage range In order to guarantee that the read back input is always in the ADC operating range an attenuating voltage divider nom 0 9785 is inserted Note 2 When all parameters are nominal value the read back input referred to ADC reference will show 4 8924V Due to tolerances in the actual supply voltage of main and sensor supply the read back value may vary in the range specified Please note that this window will not affect the measurement accuracy when using the correction formula below Values outside this window indicate voltage failure in the sensor supply short circuit or overload and must set the sensor failure flag Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Page 31 Product Name TTC 50 60 90 Document Title User Manual
18. P268 Digital Timer Input 1 P269 Sensor Supply Output Variable P270 Digital Ground P271 Terminal 15 Input P272 Termination for CAN Interface 0 High Line P273 CAN Interface O Low Line P274 Digital Timer Input 2 P275 Digital Timer Input 0 P276 Digital Ground P277 Digital Ground P278 LIN Bidirectional Signal Line P279 CAN Interface 0 High Line P280 Termination for CAN Interface 0 Low Line Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH Product Name TTC 50 60 90 TI Control Document Title User Manual Page 14 3 Block Diagram B B KL15 main Safety switch driver sensor WD CPU Reverse pol protection power 68HC908GZ60 supply 8 HS switch 2A PWM W E supply buffer EEPROM sg a SPI input CCS 8 ADC 0 32V circuit HH OW for filter detection JG E SEE configu DE Network MUX pd B 8 HS switch 4A B ADC 0 5V OX ol lowpass shift Cr ER register E an output Ds configur buffer JR Geng Ke MUX CPU d Es XC2287 TE mx ST emm ANO 00 15 or E 4 dynamic dig am analog Lis input status EE Co lowpass MUXO 2 detection gt filter 1 ADC a AN1 7 current configur E sedback network ARWM in 8 static dig input es z EEE SW configurable SPI TERE lowpass filter TT configur RS232 Transceiver RS232 Network 8 GPIO LINT i ransceiver LIN Adress data Bus optional mini module
19. SV 0 20mA 0 100kQ P137 Analog Input Analog Input Analog Input 7 0 SV O 20mA 0 100kQ Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc O TTControl GmbH TI Control Document Title User Manual Page 33 4 9 2 Functional description This kind of input can be set to 3 different operation modes individually by SW Fits to different types of sensors 4 9 3 Mode 1 resistive sensors i e NTC PTC temperature sensors ECU Sensor A D Analog Input 0 5V Figure 5 Resistive sensor This mode may also be used as switch input with switches connected to ground The use of switches to BAT is not allowed ECU Analog Input 0 5V Figure 6 Switch input only for switches to ground Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Page 34 Product Name TTC 50 60 90 Document Title User Manual 4 9 4 Mode 2 current loop active sensors 0 20mA ECU Figure 7 Current loop active sensor Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Document Title User Manual Page 35 4 9 5 Mode 3 ratiometric for potentiometric sensors pedals joystick etc ECU Sensor Figure 8 Potentiometric sensor Most physical sensors e g pressure transducers are operated in this mode Please note that many sensors are offered i
20. be at least 50Hz Note 2 Instead of 0 resp 100 output a minimum pulse resp pause duration is inserted automatically when the output is configured to be safety critical This is necessary for optimal load diagnostic Note 3 incandescent lamps with cold filament have a surge current 10 times higher than nominal current 4 14 6 Characteristics of static on off high side output stage ambient 40 85 C Symbol Parameter Note min max Units Cout Pin input capacitance 8 12 nF Ron On resistance 200 MQ load Nominal load current 0 2 0 A load Nominal load current 1 0 2 0 A load Nominal load current per output stage 2 0 4 0 A lioaa sum Total load current for all PWM type output 2 16 0 A stages loadtim Internal current limitation for PTC type loads 3 9 A Note 1 2 0A is the maximum current per output stage The load off all other output stages does not influence this value Note 2 Higher load current is possible up to 4A if the total current of all 8 outputs of this group with a mix of outputs either used as PWM or as static output will be less than 16A For PWM operation the maximum current is 2A per output stage in case of PWM operation on all PWM outputs the total current is in any case less than 16A 8 2A Note 3 incandescent lamps with cold filament have a surge current 10 times higher than nominal current Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50
21. off the stored energy in the inductance the output is driven to negative until the output stage clamps In this example this happens at approx 50V referred to GND The current linearly decreases from 2A to 0 within Ims at almost constant clamp voltage So also the power dissipated in the output stage decreases from 100W 2A 50V down to 0 For a time of 1ms the average power in the clamping phase is 50W which equals to 50mWs or 50mJ which is well below the limit of 170mJ Figure 23 Power output 2A switch off waveform Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Document Title User Manual Page 62 4 14 13 Characteristics of Low Side Switch Tambient 40 Ga 85 C Symbol Parameter single power stage Note min max Units Cout Pin input capacitance 8 12 nF Ron On resistance 200 mQ load Nominal load current 0 2 A load Permanent load current 1 0 03 2 3 A loadim Internal current limitation for PTC type loads 2 9 A Eas Maximum switch off energy dissipation 3 170 mJ Lina Maximum switchable inductive load 3 20 mH Note 1 Load diagnostic is based on current measurement during on phase The limits are the minimum maximum permanent DC current that will not trigger low load detection or overload protection Note 2 incandescent lamps with cold filament have a surge current 10 times higher than nominal current No
22. pass filter 0 7 1 3 ms Vec ADC reference voltage 4 85 5 15 V Vcc ADC reference voltage 4 85 5 15 V Vin ADC input voltage range 0 Vec V Viol ADC voltage tolerance 25 25 mV LSB Nominal value of 1 LSB Full scale 1024 4 88 mV Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH Product Name TTC 50 60 90 Document Title User Manual 4 14 21 Load Diagnostic Function Load monitoring means detection of overload external short circuits of the load output to positive TI Control or negative supply BAT BAT or any other power output and detection of loss of load Output Signal Status Signal Normal Open Load Short to GND Short to Upat 1 1 1 0 0 0 1 0 1 0 When the power stage is switched off the monitoring interface will read back high level if the load is properly connected or if a short circuit to ground exists In case of open load or a short circuit to UBAT the monitoring interface will read back low level When the power stage is switched on a high level will be read back in case of normal operation In case of excessive overload or short circuit to ground the output switches off in order to protect the output stage In this case the monitoring interface will read back a low level T ambient 40 D I 85 C Symbol Parameter single power stage Note min max Units Rioad nom Load resistance for proper operat
23. user manual V2 0 doc TTControl GmbH TI Control Document Title User Manual Page 56 4 14 7 Characteristics of frequency input alternate function of output stage Tambient 40 85 C Symbol Parameter Note min max Units Cin Pin input capacitance 8 12 nF Rou Pullup resistor to internal 5V supply 9 5 10 5 kO Vou Internal supply for pull up 4 85 5 25 V Tin Input low pass filter 3 5 6 5 US me Maximum input frequency 1 5 kHz Fax Maximum input frequency 2 10 kHz Finin Minimum input frequency 3 10 Hz tmin Minimum pulse pause length to be 50 us measured by timer input Vit Input voltage for low level 0 5 1 8 V Vin Input voltage for high level 4 2 Ubat V Note 1 with open collector open drain sensor output Note 2 with push pull sensor output stage or sensor internal pull up of 10kQ or below Note 3 due to the dynamic range of the timer there is a minimum frequency when timer overflow will occur At even lower frequency the output value will be read as 0 Hz Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Document Title User Manual Page 57 4 14 8 Load Diagnostic Function High Side Output Load monitoring means detection of overload external short circuits of the load output to positive or negative supply BAT BAT or any other power output and detection of loss of load Duty Cycle St
24. 2 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Document Title User Manual Page 66 4 14 18Maximum ratings Tambint 40 85 C Symbol Parameter Note min max Units Vin In output voltage under overload conditions 1 1 Upatt0 5 V Note 1 inductive load negative transients will be clamped internally to lt 52V referred to BAT 4 14 19Characteristics of output stage Tamblent 40 85 C Symbol Parameter single power stage Note min max Units Cout Pin input capacitance 8 12 nF Ron On resistance 200 mQ load Nominal load current 0 4 A loadim Internal current limitation for PTC type loads 1 9 A Eas Maximum switch off energy dissipation 2 170 mJ Z max Maximum switchable inductive load 2 20 mH Note 1 incandescent lamps with cold filament have a surge current 10 times higher than nominal current Note 2 with load 4A ZL 20mH Roc 092 Typical electromagnetic valves have Rpc in excess of 50 thus reducing the energy to be clamped by the output stage 4 14 20 Characteristics of analog input alternate function of output stage ambient 40 85 C Symbol Parameter Note min max Units Cin Pin input capacitance 8 12 nF Rou Pullup resistor to internal 5V supply 9 5 10 5 kQ Vou Internal supply for pull up 4 85 5 25 V Tin Input low
25. 24V to supply Figure 10 Switch to Sensor Supply or BAT connected to sensor input 0 32V ECU Figure 11 Switch to GND connected to sensor input 0 32V Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Document Title User Manual Page 40 4 10 3 Maximum ratings Tambient 40 85 C Symbol Parameter Note min max Units Vin Input voltage under overload conditions 1 32 V 4 10 4 Characteristics Tambien 40 SS 85 C 4 10 5 Parameters for 5V ratiometric setting For 3 pin sensors that are supplied with one of the TTC50 s sensor supplies and use this supply as reference for the output signal Output voltages of these sensors are typically described as percentage of the supply voltage The software compares the input voltage with the actual sensor supply voltage The calculated output value is a portion of the supply voltage Any deviation of either sensor supply or internal supply voltage from the typical value in the operating range will not influence the output value Therefore ratiometric measurement will be in most cases more accurate compared to measurement where sensor and ECU uses each there built in references In this case the sum of the tolerance of both references has to be added to the ADC error Symbol Parameter Note min max Units Cin Pin input capacitance
26. 4 6 nF Rin Input resistance to Vcc 1 9 85 10 25 kQ Rin Input resistance to GND 1 9 85 10 25 kQ Tin Input low pass filter 40 55 ms Vcc ADC reference voltage Vcc 2 4 85 5 15 V Vin ADC input voltage range 0 Vec V VroLo ADC voltage tolerance zero 3 25 25 mv Vro m ADC voltage tolerance full scale 3 50 25 mV Note 1 Depending on SW setting Note 2 Vcc is the reference voltage of the ADC Therefore measurement is referred to Vcc Note 3 Vcc is the reference voltage of the ADC Therefore measurement is referred to Vcc For total tolerance including sensor with ratiometric measuring mode using the built in sensor supply by reading back the offset Vcc is not a parameter in error calculation Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH Product Name TTC 50 60 90 Document Title User Manual 4 10 6 Parameters for 5V absolute measurement setting TI Control Page 41 This setting is for sensors that work only with an internal reference For this reason the TTC50 can make use of an internal precision reference with better accuracy than the ADC reference Symbol Parameter Note min max Units Cin Pin input capacitance 4 6 nF Rin Input resistance to Vcc 1 9 85 10 25 kQ Rin Input resistance to GND 1 9 85 10 25 kQ Tin Input low pass filter 40 55 ms Vec ADC reference voltage Vcc 2 4 85 5 15 V Vin ADC input voltage range 0 4 85 V Vroi
27. 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH Product Name TTC 50 60 90 Document Title User Manual 4 7 5 Sensor Supply Voltage Monitoring Tambient 40 85 C TIControl Page 27 Symbol Parameter Note min max Units Quces Read back attenuation factor 1 0 3140 0 3236 Vue src Read back values normal operation 2 2 462 3 037 V 8 5V setting Vue src Read back values normal operation 2 2 893 3 564 V 10 0V setting Vue src Read back values normal operation 2 4 247 4 990 V 14 5V setting Note 1 Supply is read back to allow ratiometric measurement In order to guarantee that the read back input is always in the ADC operating range an attenuating voltage divider nom 0 3188 is inserted Note 2 Due to tolerances in the actual supply voltage of main and sensor supply the read back value may vary in the range specified Values outside this window indicate voltage failure in the sensor supply short circuit or overload and must set the sensor failure flag Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc O TTControl GmbH Product Name TTC 50 60 90 Document Title User Manual TI Control 4 8 Sensor Supply 5V 4 8 1 Pinout wm mm mm mm wen mm mm E I D mm mm om mm EE mm mm mm HE HE ME HH 4 D Page 28 1 1 1 Connector Pin Number Function P136 Sensor S
28. AN a short point to point connection less than 10m between only 2 nodes can be operated at 1MBit s Note 3 for typical network size and topology network with stub wires and more than 2 nodes the practical limit is 500kBit s Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc O TTControl GmbH TI Control Document Title User Manual Page 77 418 Mini Module Current measurement 4 18 1 Pinout Connector Pin Number Function P122 Mini Module Connection 0 P110 Mini Module Connection 1 P121 Mini Module Connection 2 P109 Mini Module Connection 3 P124 Mini Module Connection 4 P112 Mini Module Connection 5 P123 Mini Module Connection 6 P111 Mini Module Connection 7 The Mini Module shares connector pin with other I Os Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Document Title User Manual Page 78 4 18 2 Functional description Optionally a customer specific Mini Module may be mounted that can make use of up to 8 connector pins as listed in the table above On the Mini Module a microcontroller can be placed as well as small power stages or complex user specific circuits The Mini Module shares connector pins with other I Os The current measurement inputs are routed to pin pairs When using a mini module there are only single pins available Howev
29. EE 23 4 7 Variable Sensor supply sise 24 4 7 1 Phu 24 4 7 2 Functional description ss 24 4 7 3 Maximum ratings EE EE PRERESI 26 Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TIControl Product Name TTC 50 60 90 Document Title User Manual Page 4 4 7 4 Tee 26 4 7 5 Sensor Supply Voltage Monitoring 27 4 8 Sensor Supply DN 28 4 8 1 ge lg REE NE EE EE EE 28 4 8 2 Functional description ss 29 4 8 3 Maximum Aa Aa aa EEEE Ennen 30 4 8 4 Ne 30 4 8 5 Supply Voltage Monitoring and Correchon mo 30 4 8 6 Supply Voltage Correction Formula x ureemnnaueeimmnmeduneeiimebumvnnnv e 31 49 Analog input 0 5V with SW configuration 32 4 9 1 le E 32 4 9 2 Functional description ss 33 4 9 3 Mode 1 resistive sensors i e NTC PTC temperature sensors 33 4 9 4 Mode 2 current loop active sensors U 20m Woo 34 4 9 5 Mode 3 ratiometric for potentiometric sensors pedals joystick etc 35 4 9 6 Maximum ratings EE 36 4 9 7 Characteristics aa DR AE 36 410 Analog and digital input with range select 0 32V oom oom 37 SUED EE 37 4 10 2 Functional description 38 4 10 3 Maximum fatin Soon aa ank a Rs 40 EEE ERR 40 4 10 5 Parameters for SV ratiometric seng venuuninasenesmeismisiemnelbiesikeiaiskta 40 4 10 6 Parameters for 5V absolute measurement setting ieieeiee
30. TControl GmbH TI Control Document Title User Manual Page 46 The quadrature decode function is an input function that uses two dedicated input channel pairs Digital Timer Input 0 1 and 2 3 to decode a pair of out of phase signals in order to increment or decrement a position counter It is particularly useful for decoding position and direction information from an encoder in motion control systems thus replacing expensive external solutions ECU Quadrature encoder Timer input x Timer Timer input x 1 Unit Figure 14 Digital input pair for quadrature encoder Input x Input x 1 Figure 15 Direction A channel X leading channel X 1 Input x 1 Figure 16 Direction B channel X lagging channel X 1 Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH Product Name TTC 50 60 90 Document Title User Manual 4 12 3 Maximum ratings Tambint 40 85 C TI Control Page 47 Symbol Parameter Note min max Units Vin Input voltage under overload conditions 1 32 V 4 12 4 Characteristics digital parameters Tambient 40 85 C Symbol Parameter Note min max Units Cin Pin input capacitance 4 6 nF Rou Pullup resistor to Vcc 1 9 00 9 25 kQ Rou Pulldown resistor to GND standard 2 9 00 9 25 kQ Rou Pulldown resistor to GND strong 3 1 75 1 80 kQ R
31. TI Control Product Name TTC 50 60 90 Document Title User Manual Page 3 Contents 1 General Description E 6 1 1 eidele e EE 6 1 2 Intertaces And NOS E 6 1 3 See Se ETE NA 7 1 4 Advanced Programming PoSsibiliti S o o o o Wooooooooomocomo oma 7 1 5 SEI DEE See SS 8 2 Pin GONE OM ea ab alan 10 2 1 Pin connection part 11 2 2 Pin Connection part E 13 o Block Dia E E 14 4 Specification of Inputs and OutputsS rsnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnneer 15 4 1 Positive power supply BA T coooooooo o amp coooco co oo o o oo o ymo como MW co coo oooooiocdWocomcooo 15 4 1 1 RATE OT LEP Aa Eet 15 4 1 2 Functional description ss 15 4 1 3 Maximum ratings an nn na ne Sn nn nt menace 16 4 1 4 Vue E Le 17 4 1 5 Voltage Monitoring EN 18 4 1 6 KE go Mg errs tree rere RR rrr etree rer a ter ee 18 4 2 Negative power supply BT EE 19 4 2 1 da o JU EE EE VE EP EFTER Ee 19 4 2 2 Functional description ss 19 4 2 3 MN de ae aa le ac nadin 19 4 3 EN BE e LE id RE init 20 4 3 1 PINOON nr eee 20 4 3 2 Functional description ss 20 4 3 3 Maximum ratings eer Eeer NR eeer 20 4 4 GND Digital Ground PR RR EE 21 4 5 2 0010 E 21 4 5 1 Functional description ss 21 4 5 2 Maximum EE LL CPP mama aa mah an an 21 4 6 Ignition on switch input Terminal 15 Klemme15 rr rn rrrnnne 22 4 6 1 PINOUT SN candela EN 22 4 6 2 Functional description ss 22 4 6 3 Maximum ratings ae 22 4 6 4 Vue L
32. Vor Output low voltage 10mA 1 1 V Vou Pullup supply voltage 1 Upat 1 5 Upa V Vou Pullup supply voltage 2 13 15 V Rou Pullup resistor 0 9 1 1 kQ Str Data rate 20 kbd Note 1 with reverse polarity protection diode for battery supply voltage less than 14 5V Note 2 with voltage limiter active for battery supply voltage higher than 14 5V Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Document Title User Manual Page 71 4 16 RS232 interface 4 16 1 Pinout Em E e E mm Im mm mm m W 2 2 203 i 12641 265 2667 mm mm mm ma a wem wem KK Connector Pin Number Function P257 RS232 Serial Interface Output TX P264 RS232 Serial Interface Input RX 4 16 2 Functional description RS232 is used as a full duplex serial interface Note that handshake lines RTS CTS are not available Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH Product Name TTC 50 60 90 Document Title User Manual ECU Transceiver RS232 Figure 27 RS232 interface TxD nN Output 4 TxD RS232 RxD Input 5 TI Control Page 72 ECU Transceiver Please note that a common ground chassis or a proper ground connection is necessary for RS232 operation In case of connecting with an external device e g PC with RS232 in
33. all be either open collector open drain or push pull type The current sense path can be used either for PWM load current measurement or as digital output See chapter 4 14 9 Current Measurement Inputs Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Document Title User Manual Page 54 ECU Actuator Power Output PWM Figure 19 Power output 2A high side without current monitoring Power Output PWM Actuator Current Measurement Input Figure 20 Power output 2A high side with current monitoring Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Document Title User Manual Page 55 4 14 4 Maximum ratings Tambint 40 85 C Symbol Parameter Note min max Units Vin Input voltage under overload conditions 0 5 Ugatt0 5 V 4 14 5 Characteristics of PWM high side output stage T ambient 40 85 C Symbol Parameter Note min max Units Cout Pin input capacitance 8 12 nF fewm PWM frequency 10 200 Hz fewm PWM frequency 1 50 200 Hz T min ewM Minimum pulse pause 2 250 Us Ron On resistance 200 mQ load Nominal load current 0 2 0 A Jesu Internal current limitation for PTC type loads 3 9 A Note 1 For current control using the current measurement input the frequency shall
34. ame TTC50 user manual V2 0 doc TTControl GmbH TIControl Product Name TTC 50 60 90 Document Title User Manual 2 1 Pin connection part 1 Page 11 Connector Pin description Pin Number P101 Battery Supply Input for Internal Electronics P102 Battery Supply Input P103 Power Output PWM 7 2A P104 Power Output PWM 5 2A P105 Power Output PWM 3 2A P106 Power Output PWM 1 2A P107 Current Measurement Input 3 P108 Current Measurement Input 1 P109 Current Measurement Input 3 P110 Current Measurement Input 1 P111 Analog Input 7 0 32V P112 Analog Input 5 0 32V P113 Analog Input 3 0 32V P114 Analog Input 1 0 32V P115 Power Output PWM 6 2A P116 Power Output PWM 4 2A P117 Power Output PWM 2 2A P118 Power Output PWM 0 2A P119 Current Measurement Input 2 P120 Current Measurement Input 0 P121 Current Measurement Input 2 P122 Current Measurement Input 0 P123 Analog Input 6 0 32V P124 Analog Input 4 0 32V P125 Analog Input 2 0 32V P126 Analog Input 0 0 32V P127 Battery Supply Input for Power Stages P128 Battery Supply Input for Power Stages P129 Power Output 7 4A P130 Power Output 5 4A P131 Power Output 3 4A P132 Power Output 1 4A P133 Analog Ground P134 Analog Ground P135 Sensor Supply Output 1 5V P136 Sensor Supply Output 0 5V P137 A
35. aracteristics analog parameters Tambient 40 85 C TI Control Page 48 Symbol Parameter Note min max Units Cin Pin input capacitance 4 6 nF Rou Pullup resistor to Vec 1 9 00 9 25 kQ Rou Pulldown resistor to GND standard 2 9 00 9 25 kQ Rou Pulldown resistor to GND strong 3 1 75 1 80 kQ Rou Pulldown resistor to GND current loop 4 110 115 Q lz 14min Input current 7 14mA sensor SRC low 5 4 5 mA I7 t4max Input current 7 14mA sensor SRC high 6 20 21 mA Vin ADC input voltage range 0 VCC V Vin ADC input voltage range 0 VCC V Vin ADC input voltage range 0 VCC V Tin Input low pass filter analog path 0 7 1 3 ms Viol ADC voltage tolerance 7 25 25 mV LSB Nominal value of 1 LSB Full scale 1024 4 88 mV Note 1 with software setting for pull up resistor Note 2 with software setting for pull down resistor Note 3 with software setting for strong pull down resistor Note 4 with software setting for current loop sensors for 7 14mA ABS type sensors Note 5 failure detection window for defect 7 14mA sensor with too low current Note 6 failure detection window for defect 7 14mA sensor with too high current Note 7 Vcc is the reference voltage of the ADC Therefore measurement is referred to Vcc For total tolerance including sensor in mode 3 ratiometric measuring when using the built in sensor supply by reading back the offset Vcc is not a parameter in err
36. are 1 input for example 2 proportional valves one for forward the other for backward movement For that reason in standard configuration without mini module any current measurement input is connected to a pair of connector pins If a current input is not needed it can be also used as low side switch with diagnostic function Power Output PWM Actuator Measurement Input Figure 21 Power output 2A high side with current monitoring Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Product Name TTC 50 60 90 Document Title User Manual Page 59 4 14 10 Characteristics of Current Measurement Input Tambient 40 85 C Symbol Parameter Note min max Units Vout Shunt factor 1 2 00 VIA les Full scale nominal current 1 2 50 A lom Accuracy 2 5 5 FS Proportional factor at nominal load current 2 125 125 mA Loan Accuracy 3 2 0 2 0 FS Zero reading no load current 3 50 50 mA fa LP Cut off frequency of 37 order low pass filter 4 6 10 Hz Note 1 current is measured with a ground referenced shunt amplified and connected to an ADC input 1A load current will bring 2V ADC input voltage Please note that 2 45A is the nominal current without any tolerance O 2 30A is the nominal operating range for peak current Note 2 Current measurement gives absolute values and does not work ratiom
37. atus Signal Normal Open Load Short to GND Short to Upat 0 lt x lt 100 Note 1 1 0 1 Note 1 The status signal follows the output signal Please note if the duty cycle is 0 or 100 the status signal cannot be distinguished from the error condition Under normal load conditions the status signal follows the corresponding PWM output In case of a disconnected load open load the signal is pulled to 5V high level by an internal resistor If a short circuit to ground exists the status signal is constant zero low level A short circuit to Ugar implicates that the status signal is also pulled to Usar high level Tambient 40 85 C Symbol Parameter Note min max Units Riad nom Load resistance for proper operation 1 13 0 5 11700 Q 24V supplied system Vpatmax 32V Rioad nom Load resistance for proper operation 1 6 5 0 5 11700 Q 12V supplied system Vpatmax 16V Ropenioad Open load threshold 2 20 kQ lioad ov Temperature limited current 3 4 A Ibaa im Internal current limitation for PTC type loads 4 9 A hoad tim Internal current limitation 5 2 30 2 60 A Note 1 Resistance values in that range will neither generate overload min value nor open load max value detection Loads with any resistor value in that window will be detected as normal load For PWM current controlled inductive loads there is only a virtual lower limit value i
38. conditions 1 32 V 4 13 4 Characteristics Tanie 40 E 85 C Symbol Parameter Note min max Units Cin Pin input capacitance 4 6 nF Rou Pullup resistor to Vcc 1 9 00 9 25 kQ Rou Pulldown resistor to GND standard 2 9 00 9 25 kQ Rou Pulldown resistor to GND strong 3 1 75 1 80 kQ Tin Input low pass filter 1 1 5 ms Vu Input voltage for low level 1 1 8 V Vin Input voltage for high level 4 2 Ubat V Note 1 with software setting for pull up resistor Note 2 with software setting for pull down resistor Note 3 with software setting for strong pull down resistor Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Document Title User Manual Page 52 4 14 Power output 2A high side with PWM control 4 14 1 Pinout Connector Pin Number Function P118 Power Output PWM O P106 Power Output PWM 1 P117 Power Output PWM 2 P105 Power Output PWM 3 P116 Power Output PWM 4 P104 Power Output PWM 5 P115 Power Output PWM 6 P103 Power Output PWM 7 P120 optional 122 Current Measurement Input P108 optional 110 Current Measurement Input P119 optional 121 Current Measurement Input WINI IO P107 optional 109 Current Measurement Input For optional pins please see section 4 18 Mini Module Last Change 12 22 2009 11 43 00 AM Author WDI File name
39. d Current Measurement Input 3 Current Measurement Input 2 Current Measurement Input 1 Current Measurement Input 0 Analog Input 7 0 32V Analog Input 6 0 32V Analog Input 5 0 32V Analog Input 4 0 32V Analog Input 3 0 32V Analog Input 2 0 32V Analog Input 1 0 32V Analog Input 0 0 32V Digital Input 7 Digital Input 6 Digital Input 5 Digital Input 4 Digital Input 3 Digital Input 2 Digital Input 1 Digital Input 0 RS232 Serial Interface Output TX RS232 Serial Interface Input RX Termination for CAN Interface 1 High Line CAN Interface 1 High Line CAN Interface 1 Low Line Sensor Supply Output 1 SV Sensor Supply Output 1 5V Sensor Supply Output O SV Sensor Supply Output O SV Analog Input 7 0 5V Analog Input 6 0 5V Analog Input 5 0 5V Analog Input 4 0 5V Analog Input 3 0 5V Analog Input 2 0 5V Analog Input 1 0 5V Analog Input 0 0 5V Digital Timer Input 3 Digital Timer Input 2 Digital Timer Input 1 Digital Timer Input O Sensor Supply Output Variable Digital Ground Digital Ground Digital Ground Terminal 15 Input LIN Bidirectional Signal Line Termination for CAN Interface O High Line CAN Interface 0 High Line CAN Interface 0 Low Line i I H H H 4 Termination for CAN Interface 1 Low Line Termination for CAN Interface 0 Low Line Figure 1 Connector front view Last Change 12 22 2009 11 43 00 AM Author WDI File n
40. er the current measurement function is still available If the Mini Module needs 5 8 connector pins the analog input from 0 5 up to 0 32V number 5 8 are replaced by Mini Module connections 4 18 3 Suitable functions for the Mini Module user specific sensor interfaces user specific actuator interfaces user specific actuator position feedback interface an control loop high resolution ADC units analog outputs Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Document Title User Manual Page 79 5 Application Notes 5 1 Wiring Harness In order to enable a safe operation a few general rules for the layout of the wiring harness have to be obeyed For the dimensioning the power supply cables please refer to section 4 1 6 wiring hints 5 2 Load Distribution The 16 power stages of the TTC 50 would theoretically deliver a total current of 48A if switched on concurrently The TTC 50 s permanent input current lin max is 30A because there is a thermal and a contact current limit As the power stages have not negligible power dissipation each load current leads to a rise of temperature To ensure proper operation of the TTC 50 in its temperature range 40 C to 85 C the total current driven by the power stages has to be limited and the load evenly distributed One first rule of thumb is that if two output states are mutually exclusive e g outpu
41. errrererer errre 41 4 10 7 Parameters for voltage range 10 32V absolute measurement setting 42 4 11 Board temperature sensor 43 led PINOUT EEE AEE EE 43 4 11 2 Functional description 43 TT ENE 43 4 12 Digital input for frequency timing measurement 44 2 Se PINOUT SET TE EE ren eee rer ana ere eer 44 4 12 2 Functional description 44 4123 Maximumratings E 47 4 12 4 Characteristics digital parameters 47 412 5 Characteristics analog parameters oo iooooooooo Woo oo Wo Wo Wo Wo Woo 48 2 19 UI TB ET 49 TT Pr 49 4 13 2 Functional description 49 4 13 3 Maximum ratings oo am ema anak mirna nian anoman 51 EEE SE do son SES ESKE ENE ERE nan Di 51 414 Power output 2A high side with PWM control Woo 52 e GE Ni ND ln EE 52 4 14 2 Functional description 53 REE 53 4144 Maximum ratings eege 55 4 14 5 Characteristics of PWM high side output stage 55 4 14 6 Characteristics of static on off high side output stage ii 55 Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Product Name TTC 50 60 90 Document Title User Manual Page 5 4 14 7 Characteristics of frequency input alternate function of output stage 56 4 14 8 Load Diagnostic Function High Side Output 57 4 14 9 Current Measurement Inputs ss 58 4 14 10 Characteristics of Current Measurement Input 59 4 14 11 Alternate Function Low Side Output
42. es allow the detection of open load overload and short circuit conditions at the outputs Proportional hydraulic components can be connected directly to the current controlled PWM outputs The TTC 50 family is designed to support various analog and digital sensor types Many SW configurable input options can be selected to adapt to different sensor types The widely used group of individually configurable analog inputs well known from TTC 200 is also supported by TTC 50 Additionally a group of analog inputs with voltage range from 0 5V to 0 32V is provided that can be set to different voltage ranges by software for achieving best analog accuracy and resolution The interfaces CAN RS 232 and LIN are available for serial communication Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Document Title User Manual Page 7 1 3 Safety and Certification The variant TTC 90 was designed to comply with the IEC 61508 and ISO13849 international standards The ECU fulfils SIL 2 Safety Integrity Level and PL d requirements respectively The requirements in the Safety Manual shall be followed if the TTC 90 is used in safety critical applications 1 4 Advanced Programming Possibilities The unit may be programmed in C or CoDeSys CoDeSys is one of the most common IEC 61131 3 programming systems that runs under Microsoft Windows Several editors are supported including the In
43. etric to the ADC s reference Therefore absolute tolerance of ADC supply is also included Note 3 The ADC can only measure positive values With a negative zero reading current a small output current of the same absolute value is necessary to get ADC values greater than zero Total error is the sum of proportional error and zero reading error TUE Hu Li el Note 4 An active low pass filter 3 order is provided to remove current ripple from the ADC input Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Document Title User Manual Page 60 4 14 11 Alternate Function Low Side Output If a current input is not needed it can be also used as low side switch with diagnostic function When using highly inductive loads operated at high current values the maximum switch off energy must be calculated carefully not to overload the output clamping For inductive actuators exceeding the dissipation limit an external freewheeling diode must be added ECU BAT 12 24V Actuator Figure 22 Power output 2A low side Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Document Title User Manual Page 61 4 14 12Example for switch off energy calculation for inductive loads In this example an inductive load is operated at 24V and the actuator draws the maximum specified output current of 2A When switching
44. ight loads 4 5 2 Maximum ratings Tambien 40 85 C Symbol Parameter Note min max Units loutmax Permanent current per pin 2 A Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Document Title User Manual Page 22 4 6 Ignition on switch input Terminal 15 Klemme15 4 6 1 Pinout mm KI EE mm mm mm mem G wem m 271 EE mn mn mn mn mm Connector Pin Number Function P271 Terminal 15 Input 4 6 2 Functional description Only used for permanent supplied systems When switched to positive supply this input gives the command to power up the ECU When switched off the ECU performs activates its keep alive functionality and switches off by software For systems with main power switch not permanent supplied this pin must be tied to the BAT pins 101 127 128 This input can also be monitored via a digital input of the CPU 4 6 3 Maximum ratings Tambint 40 85 C Symbol Parameter Note min max Units Vin Permanent DC input voltage 32 32 V Vin Transient peak input voltage 500ms 50 50 V Vin Transient peak input voltage 1ms 100 100 V Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH Product Name TTC 50 60 90 Document Title User Manual 4 6 4 Characteristics
45. in Input resistance to Vcc 1 1202 1250 Q Rou Reference resistor 1 1202 1238 Q Rin Input resistance to GND 2 217 230 Q Rpa Reference resistor 2 217 223 Q Rin Input resistance to GND 3 99 7 102 7 kQ Tin Input low pass filter 0 7 1 3 ms Voc ADC reference voltage 4 85 5 15 V Vin ADC input voltage range 0 Vece V Vol ADC voltage tolerance 4 25 25 mV LSB Nominal value of 1 LSB Full scale 1024 4 88 mV Note 1 configuration mode 1 resistive sensor Note 2 configuration mode 2 current loop sensor Note 3 configuration mode 3 potentiometric sensor Note 4 Vcc is the reference voltage of the ADC Therefore measurement is referred to Vcc For total tolerance including sensor in mode 1 ratiometric measuring or mode 3 when using the built in sensor supply by reading back the offset Vcc is not a parameter in error calculation Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Document Title User Manual Page 37 4 10 Analog and digital input with range select 0 32V Note The analog inputs with range select are only available on TTC 60 and TTC 90 not on TTC 50 4 10 1 Pinout ea keng Poe eee 7 t 1 4 mm wm E mm mm mm mm em E m 4 1 4 D D mm HE HE HE HE mm mm mm A 4 4 Connector Pin Number Function P126 Analog input from 0 5 up to 0 32V 0 P114 Analog input from 0 5 up to 0 32V 1 P125 Analog input
46. ion 1 8 1700 Q 24V supplied system Vgatmax 32V Rioad nom Load resistance for proper operation 1 4 1700 Q 12V supplied system Vgatmax 16V Ropenioaa Open load threshold 2 20 kQ loadov Temperature limited current 3 4 A loadtim Internal current limitation for PTC type loads 4 9 A Note 1 Resistance values in that range will neither generate overload min Value nor open load max value detection Loads with any resistor value in that window will be detected as normal load Note 2 Resistance values higher than this threshold will be detected as open load Note 3 Overload is defined by chip temperature Due to the thermal design of the ECU this limit will be influenced by the number of outputs activated with high current simultaneously and ambient temperature This is the worst case value for maximum allowed over all load and highest temperature Note 4 Internal current limit for short circuit protection to limit excessive power dissipation Overload protection is done typically by detecting over temperature Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Document Title User Manual Page 68 4 15 LIN interface 4 15 1 Pinout 278 279 280 fi mm emp en en m mm 1 1 1 oo V 212 213 d 4 wem mm mm ech mm mm E E mm mm mm mm mem Connector Pin Number Function P278 Lin Bidirectional Signal Line
47. itoring purposes ECU Variable Sensor Sensor Supply 4 20mA Figure 3 Variable sensor supply used for analog current loop sensor 4 20mA Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH Product Name TTC 50 60 90 Document Title User Manual 4 7 3 Maximum ratings Tambient 40 85 C TI Control Page 26 Symbol Parameter Note min max Units Vin Output voltage under overload conditions 1 32 V i e short circuit to supply voltages 4 7 4 Characteristics Tambient 40 D I 85 C Symbol Parameter Note min max Units Cout Pin output capacitance 4 6 uF Vout Output voltage at Isa and over Vgat min 1 8 9 2 V Vout Output voltage at lag and over Vgat min 2 9 4 10 8 V Vout Output voltage at la and over Vgat min 3 13 8 15 2 V Veat min Minimum voltage drop to allow nominal 4 0 3 V output voltage load Load current 5 0 30 mA load Load current 14 5V 6 0 40 mA Note 1 Output setting to 8 5V Note 2 Note 3 Note 4 Note 5 Note 6 Output setting to 10V Output setting to 14 5V This output is provided by a linear voltage regulator The battery voltage must be at lest 0 3V higher than the regulated output voltage For all voltage settings and at highest supply voltage For voltage setting to 14 5V and at highest supply voltage Last Change 12 22 2009 11
48. maller than 50 Even with all PWM outputs on at rated current and 50 duty cycle the RMS value will be less than 10A For calculation of voltage drops please observe the direction of the current It is negative that means the voltage drop is negative the over all supply voltage of the TTC50 is increased through this voltage drop Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Document Title User Manual Page 20 4 3 GND Analog Ground 4 3 1 Pinout 145 146 133 134 Connector Pin Number Function P133 Analog Ground P134 Analog Ground P145 Analog Ground P146 Analog Ground 4 3 2 Functional description Supply pins for analog sensor GND connection 4 3 3 Maximum ratings Tambient 40 85 C Symbol Parameter Note min max Units loutmax Permanent current per pin 2 A Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Document Title User Manual Page 21 4 4 GND Digital Ground 4 5 Pinout 276 277 mm B BEB mem m mm mm E B E m 270 nm nm Connector Pin Number Function P270 Digital Ground P276 Digital Ground P277 Digital Ground 4 5 1 Functional description Supply pins for digital sensor GND connection or GND connections for switches Can be used as sensor supply GND or for l
49. n 2 variants absolute The output voltage is a fixed value and corresponds directly to a physical value For example 2 5V corresponds to 1bar Any tolerance in the sensor s and the ECU S reference voltage generates additional measurement inaccuracy ratiometric The output voltage is a fixed percentage of the sensor supply the ratio corresponds to a physical value For example 50 corresponds to 1bar or 2 5V if the sensor supply is exactly 5 00V Any tolerance in the sensor s or the ECU S reference voltage is completely compensated and will not generate additional measurement inaccuracy Due to the described behavior ratiometric sensors are generally preferred Function selection is done by software application for each input independently Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Document Title User Manual Page 36 4 9 6 Maximum ratings Tambient 40 85 C Symbol Parameter Note min max Units Vin Input voltage under overload conditions 1 1 32 V Note 1 due to thermal reasons only one of the 8 inputs may be shorted to 32V at the same time A connection to any supply voltage higher than 5V is not allowed for normal operation 4 9 7 Characteristics Tambieni 40 85 C Symbol Parameter Note min max Units Cin Pin input capacitance 4 6 nF R
50. n brackets to keep the control loop stable Note 2 Resistance values higher than this threshold will be detected as open load Note 3 Overload is defined by chip temperature Due to the thermal design of the ECU this limit will be influenced by the number of outputs activated with high current simultaneously and ambient temperature This is the worst case value for maximum allowed over all load and highest temperature Note 4 Internal current limit for short circuit protection to limit excessive power dissipation Overload protection is done typically by detecting over temperature Note 5 For protection of the current sense resistors the output duty cycle will be regulated by software to a maximum load current of 2 45A typ Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Document Title User Manual Page 58 4 14 9 Current Measurement Inputs For actuators requiring precision current control this type of input provides a measurement unit with overload protection The current flows through a sensing resistor is amplified and low pass filtered to deliver an average value and suppress ripple current introduced by PWM control In case of overload a switch disconnects the overloaded input for 1 second and then switches on again 4 inputs of this type are available to support up to 8 PWM outputs In case of 2 loads that will never be operated at the same time 2 outputs can sh
51. nalog Input 7 0 5V P138 Analog Input 5 0 5V P139 Analog Input 3 0 5V P140 Analog Input 1 0 5V Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH Product Name TTC 50 60 90 TI Control Document Title User Manual Page 12 P141 Power Output 6 4A P142 Power Output 4 4A P143 Power Output 2 4A P144 Power Output 0 4A P145 Analog Ground P146 Analog Ground P147 Sensor Supply Output 1 5V P148 Sensor Supply Output 0 5V P149 Analog Input 6 0 5V P150 Analog Input 4 0 5V P151 Analog Input 2 0 5V P152 Analog Input 0 0 5V Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Document Title User Manual Page 13 2 2 Pin connection part 2 Connector Pin description Pin Number P253 Digital Input 7 P254 Digital Input 5 P255 Digital Input 3 P256 Digital Input 1 P257 RS232 Serial Interface Output TX P258 Termination for CAN Interface 1 High Line P259 CAN Interface 1 Low Line P260 Digital Input 6 P261 Digital Input 4 P262 Digital Input 2 P263 Digital Input 0 P264 RS232 Serial Interface Input RX P265 CAN Interface 1 High Line P266 Termination for CAN Interface 1 Low Line P267 Digital Timer Input 3
52. o 3 3 LSB Voir ADC voltage tolerance full scale 4 0 4 0 LSB Nominal value of 1 LSB Full scale 1024 9 765 mV 15V setting for range selection Vin ADC input voltage range 0 15 V Vrol R ADC voltage tolerance zero 3 3 LSB Vot R ADC voltage tolerance full scale 4 0 4 0 LSB Nominal value of 1 LSB Full scale 1024 14 65 mV 20V setting for range selection Vin ADC input voltage range 0 20 V Vot R ADC voltage tolerance zero 3 3 LSB Voir ADC voltage tolerance full scale 4 0 4 0 LSB Nominal value of 1 LSB Full scale 1024 19 5 mV 25V setting for range selection Vin ADC input voltage range 0 25 V Voir ADC voltage tolerance zero 2 2 LSB Voir ADC voltage tolerance full scale 4 0 4 0 LSB Nominal value of 1 LSB Full scale 1024 24 4 mV 30V setting for range selection Vin ADC input voltage range 0 30 V Voir ADC voltage tolerance zero 2 2 LSB Virop ADC voltage tolerance full scale 4 0 4 0 LSB Nominal value of 1 LSB Full scale 1024 29 3 mV 32V setting for range selection Vin ADC input voltage range 3 0 32 V Voir ADC voltage tolerance zero 2 2 LSB Vrol R ADC voltage tolerance full scale 4 0 4 0 LSB Nominal value of 1 LSB Full scale 1024 32 2 mV Note 1 Depending on SW setting Note 2 Vcc is the reference voltage of the ADC Therefore measurement is referred to Vcc Note 3 nominal full scale value is 33 65V This is higher than the max permanent input voltage with 32V Last
53. o ADC voltage tolerance zero 3 25 25 mV Vrau ADC voltage tolerance full scale 3 150 125 mV Vrorr ADC voltage tolerance full scale 3 3 0 25 LSB Nominal value of 1 LSB Full scale 1024 4 88 mV Note 1 Depending on SW setting Note 2 Vcc is the reference voltage of the ADC Therefore measurement is referred to Vcc Note 3 Vcc is the reference voltage of the ADC Therefore measurement is referred to Vcc For non Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc ratiometric sensors the ADC reference voltage tolerance is included in this oval all error calculation TTControl GmbH TI Control Document Title User Manual Page 42 4 10 7 Parameters for voltage range 10 32V absolute measurement setting This setting is for sensors that work only with an internal reference For this reason the TTC 50 can make use of an internal precision reference with better accuracy than the ADC reference Symbol Parameter Note min max Units Cin Pin input capacitance 4 6 nF Rin Input resistance to Vcc 1 9 85 10 25 kQ Rin Input resistance to GND 1 9 85 10 25 kQ Tin Input low pass filter 7 25 ms Vec ADC reference voltage Vcc 2 4 85 5 15 V 10V setting for range selection Vin ADC input voltage range 0 10 V Vo R ADC voltage tolerance zer
54. or calculation Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Document Title User Manual Page 49 4 13 Digital inputs 4 13 1 Pinout mm wm wn mm wm wn mm wm wn mm wm wn mm 260 261 262 263 E ER E E m EA E m m 253 254 255 256 Connector Pin Number Function P263 Digital Input 0 P256 Digital Input 1 P262 Digital Input 2 P255 Digital Input 3 P261 Digital Input 4 P254 Digital Input 5 P270 Digital Input 6 P253 Digital Input 7 4 13 2 Functional description General purpose digital input typically used to read switch settings The input can be tied to ground or supply voltage Sensor Supply or BAT or left open Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Document Title User Manual Page 50 ECU Switch to GND Digital Input Figure 17 Digital input for reading switch connected to ground ECU Switch 5 12 24V to supply Figure 18 Digital input for reading switch connected to battery supply voltage Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Document Title User Manual Page 51 4 13 3 Maximum ratings Tambint 40 85 C Symbol Parameter Note min max Units Vin Input voltage under overload
55. ou Pulldown resistor to GND current loop 4 110 115 Q Tin Input low pass filter digital path 4 6 us Fax Maximum input frequency range 5 10 kHz Fisk Maximum input frequency range 6 20 kHz EF Minimum input frequency 7 0 02 Hz tmin Minimum pulse pause length to be 7 20 us measured by Timer unit Vi Input voltage for low level 8 1 1 8 V Vu Input voltage for high level 8 3 2 Ubat V Vi Input voltage for low level 9 1 1 1 V Vin Input voltage for high level 9 1 3 Ubat V Note 1 with software setting for pull up resistor Note 2 with software setting for pull down resistor Note 3 with software setting for strong pull down resistor Note 4 with software setting for current loop sensors for 7 14mA ABS type sensors Note 5 limit for sensors with open drain open collector output due to input capacitance Note 6 limit for sensors with either push pull or current loop output Note 7 dependent on configuration of timer prescaler in software due to the dynamic range of the timer there is a minimum frequency when timer overflow will occur At lower frequencies the output value will be read as 0 Hz Note 8 with software setting for standard threshold Note 9 with software setting for current loop sensors for 7 14mA ABS type sensors Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH Product Name TTC 50 60 90 Document Title User Manual 4 12 5 Ch
56. ristics Tambient 40 D I 85 C Symbol Parameter Note min max Units Cin Capacitance load at input 500 uF Uin Supply voltage for full operation 9 32 V Uin Supply voltage for CPU operation 4 32 V Torank Max duration low battery voltage below 9V 1000 ms without CPU reset lin idle Supply current of unit without load 1 0 15 A lin idle Supply current of unit without load 2 0 11 A lin idle Supply current of unit without load 3 0 08 A Iin stey Standby supply current KL15 off 4 0 5 mA Iin stey Standby supply current KL15 off 5 1 0 mA Note 1 at Upa 9V Note 2 at Uga 12V Note 3 at Upa 24V Note 4 at Ubat 27V TEcu T ambient 40 85 C Note 5 These are worst case operating conditions during standby at Upat 32V Tecu 85 125 C These are operating conditions during or immediately after switching to standby The battery voltage is higher than the maximum output voltage of the battery The ECU was internally heated up to an over temperature of 40K After some minutes the ECU cools down and the internal temperature is equal to the ambient temperature max 85 C Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Document Title User Manual Page 18 4 1 5 Voltage Monitoring The battery voltage is connected to an ADC input Battery voltage measurement can be used for
57. struction List Editor the Sequential Function Chart Editor and the Function Block Diagram Editor CoDeSys produces native machine code for the main processor of TTC 50 Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Document Title User Manual Page 8 1 5 Features System CPU e XC2287 XE167 family 80MHz 768KB internal Flash 64kB int 512kB ext RAM 16 kBit EEPROM e Watchdog CPU 68HC908 e 1x RS232 1200 115200Bd 1 x LIN 1200Bd 20000Bd e 2xCAN 125 to 1000 kbit s Power supply Supply voltage 9 to 32 V CPU operates down to 4V battery supply during cranking Load dump protection max steady state supply voltage 35V Low current consumption 0 15 A at 9 V 1 x 8 5 or 10 or 15V 50mA sensor supply voltage selected by software 2 x 5V 50mA sensor supply Board temperature sensor supply and battery monitoring Inputs e 8x analog in 0 to 5 V or 0 to 20 mA or input for resistive sensors 10 bit resolution configured by software individual setting per input e 8x analog digital in range selectable 10 bit resolution range settings 0 to 5V 0 to 10V 0 to 15V 0 to 20V 0 to 25V 0 to 30V and 0 to 32V with full 10 bit resolution voltage selectable by software in groups of 4 inputs e 4x digital in 4 counter 10 to 10 000 Hz supporting sensors with different output stages push pull open collector active high or low as well as 7 14mA c
58. t A is only activated in state 1 output B is only activated in state 2 these outputs should be driven by one double channel power stage so that only one channel is used at a time Another way to reduce the overall power dissipation is to drive different power stages in parallel for high currents Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Document Title User Manual Page 80 Disclaimer While every precaution has been taken in the preparation of this document the publishers assume no responsibility for any remaining errors or omissions or for damages resulting from the use of the information herein Copyright 2001 2009 TTControl GmbH AG All rights reserved Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc O TTControl GmbH
59. te 3 with load 2A Z1 20mH Roc OO Typical electromagnetic valves have Roc in excess of 50 thus reducing the energy to be clamped by the output stage Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH Product Name TTC 50 60 90 Document Title User Manual 4 14 14Load Diagnostic Function TI Control Page 63 Load monitoring means detection of overload external short circuits of the load output to positive or negative supply BAT BAT or any other power output and detection of loss of load Output Signal Detection Status Normal Open Load Short to Ugar 0 on o k open load short circuit 1 off o k ok ok With this output stage load diagnostic is based on current measurement Therefore short circuit open load detection is both made during on phase In case of excessive overload or short circuit to BAT the output switches off in order to protect the output stage Tearabieat 40 85 C Symbol Parameter single power stage Note min max Units Rioad nom Load resistance for proper operation 1 16 800 Q 24V supplied system Vgatmax 32V Rioad nom Load resistance for proper operation 1 8 400 Q 12V supplied system Vgatmax 16V Ropenioad Open load threshold 2 5 kQ licad cov Protection limited current 3 2 3 2 5 A loadtim Internal current limitation for PTC type loads 4 9 A
60. terface please make sure that the maximum voltage ratings are not violated when connecting to or disconnecting from the RS232 connection Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Document Title User Manual Page 73 4 16 3 Maximum ratings Tambient 40 85 C Symbol Parameter Note min max Units Vrs232x Bus voltage under overload conditions 15 32 V i e short circuit to supply voltages 4 16 4 Characteristics Tambieni 40 au 85 C Symbol Parameter Note min max Units Cout Pin output capacitance 100 150 pF Vi Input voltage for low level 15 0 8 V Vin Input voltage for high level 2 4 15 V Rog Input resistor to GND 3 7 kQ Vor Output voltage for low level 9 5 V Vor Output voltage for high level 5 9 V Str Data rate 115 kbd Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Document Title User Manual Page 74 4 17 CAN interface ISO 11898 4171 Pinout 2 87 279 280 EN mm mn D as mm mm wn am E V 212 203 1 2641265 266 EN EM wc wt Je m d Connector Pin Number Function P279 CAN Interface 0 High Line P273 CAN Interface 0 Low Line P272 Termination for CAN Interface 0 High Line P280 Termination for
61. upply Output 0 5V P148 Sensor Supply Output 0 5V P135 Sensor Supply Output 1 5V P147 Sensor Supply Output 1 5V Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Document Title User Manual Page 29 4 8 2 Functional description Two independent sensor supplies are provided for 3 wire sensors i e potentiometers pressure sensors etc For fully redundant sensors with 2 sensor supply connections both supplies must be connected to different sensor supplies Sensor Supply 1 is defined to be the redundant supply For detecting short circuits between redundant analog inputs the sensor supply can be switched off by SW ECU Sensor Sensor Supply 5V Figure 4 Sensor supply 5V Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH Product Name TTC 50 60 90 Document Title User Manual 4 8 3 Maximum ratings Tambient 40 85 C TIControl Page 30 Symbol Parameter Note min max Units Vin Output voltage under overload conditions 1 32 V i e short circuit to supply voltages 4 8 4 Characteristics Tambient 40 D I 85 C Symbol Parameter Note min max Units Cout Pin output capacitance 4 6 uF Vout Output voltage at load 4 9 5 1 V Vout Output voltage differential at load 1 25 15 mV lioad Load current 0 50 mA
62. urrent loop ABS type sensors e 8x digital in Outputs e 8x digital out 2 0 A PWM short circuit and open load detection e current control loop for 4 PWM outputs e internal safety switch for all 2A PWM outputs e 8x digital out 4 A short circuit and open load detection Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Document Title User Manual Page 9 Specifications Dimensions 181 x 174 x 44 mm with mounted connector Weight 550 g Ambient temperature 40 C to 85 C IP67 rated die cast aluminum housing and 80 pin connector Pressure adjusting with water barrier Operating altitude 0 to 4000 m e e e e e Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Document Title User Manual Page 10 2 Pin connection WM CA Battery t Battery Battery t Power Output PWM 7 2A Power Output 7 4A Power Output PWM 6 2A Power Output 6 4A Power Output PWM 5 2A Power Output 5 4A Power Output PWM 4 2A Power Output PWM 3 2A Power Output 4 4A Power Output 3 4A Power Output PWM 2 2A Power Output 2 4A Power Output PWM 1 2A Power Output 1 4A Power Output PWM 0 2A Power Output 0 4A Current Measurement Input 3 Analog Ground Current Measurement Input 2 Analog Ground Current Measurement Input 1 Analog Ground Current Measurement Input 0 Analog Groun
63. ystems there is an option for operation during cranking The CPU is working down to 4V battery supply voltage drop until the starter motor makes its first turns described in 156736 Part1 for 12V systems For safety reasons this function is limited to 1 second Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH Product Name TTC 50 60 90 TI Control Document Title User Manual Page 16 41 3 Maximum ratings Tambient 40 85 C Ratings for Pin 101 127 and 128 Symbol Parameter Note min max Units Uin max permanent none destructive supply voltage 32 32 V Uin lim peak none destructive supply clamping 1 40 45 V voltage lin lim peak none destructive supply clamping 1 10 100 A current Ta Load dump protection according to 1 350 ms ISO7636 2 Pulse 5 Level IV superimposed 174V R 2Q Ratings for Pin 127 and 128 only lnmax Permanent input current Pins 127 and 128 30 A in parallel with symmetrical wire connection ama Permanent input current per pin 17 A Note1 control unit is protected by transient suppressor diode specified is clamp voltage current and duration of voltage transient Last Change 12 22 2009 11 43 00 AM Author WDI File name TTC50 user manual V2 0 doc TTControl GmbH TI Control Product Name TTC 50 60 90 Document 4 1 4 Title User Manual Page 17 Characte

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