Motor Control Shield Motor Control Shield With
Contents
1. H Bridge H Bridge 4 Copy Projects Into Workspace A 3 4 d 6 4 Build the project amp DAVE CE DAVE3 File Edit Source Refactor haw gate C Heoli a a 8 9 10 11 5 Start the debugger A Window Help 1 ee BS By La 14 Users Manual 18 V0 9 2015 03 H gt O M0 J Ey Ul LL iz 13 14 LO 16 Cinfineon 6 Run the software the motor will spin TASKING Debug AMC1100_Blinky_withApps Main c DAVE 3 File Edit Source Refactor Navigate Search Project Debug Window Help rts E e J E compa F Debug El z gt 11 2 j For hints tutorials software examples a quick introduction and further information around the DAVE Free Development Platform for Code Generation visit the DAVE web site The DAVE App structure of the software example H bridge for the Motor Control Shield is shown in Figure 13 The output voltage is controlled by the two PWMSPO01 Apps The ramp time is controlled by a third PWMSPO001 App via interrupts The inhibit signals are software controlled by the 10004 App e PWM5P001 2 28 Timer ne g __ ee CCUSGLOBAL O se N1 PWMSPOOL L EN IN2 de CLK002 0 10004 0 10004 1 on INH sa INH2 To change the PWM frequency from 25 kHz to a different value the settings of both PWM App instances PWMSP001 0 and PWMSP001 0 have to be modified There the PWM frequency can be easily set to different values2. s PWMSPOOL O PWMSPOOL 1 28 INI a fN Users Manual 19 V0 9 2015 03 Infineon ee PWMSPOOL2 23 m Timer Mode Settings Counting Mode Timer Mode Start Edge Aligned Mode T Enable Single Shot Mode Start during initialization O Center Aligned Mode Timer Configurations CCU4 resolution 1000 nsec Resolution 1000 nsec m PWM freg 25 Hz Period 9c3f hex _ Duty Cycle 50 pd Compare 4e20 hex Mode Mo timer concatenation Interrupts Compare Match Period Match External Start Enable at initialization Enable at initialization Enable at initialization External Stop Trap Interrupt Enable at initialization Enable at initialization Simple PWM Configurations Signal Configurations Advanced PWM Configurations Pin Configuration Figure 14 shows the ramp generator and the parameters which can be set in main c The parameter outputvoltage_max and outputvoltage_min are controlled in the software by adapting the PWM duty cycle With the duty cycle the motor speed and current consumption in controlled a Ud w Eo FP Parameters const int32_ t supplyvoltage 12 supply voltage for scaling the duty cycle const int32_ t outputvoltage max 4 maximum output voltage const int32 t out utvoltage min 4 fi minimum output voltage const int32_t flat time 100 ticks based on 25Hz 100 ticks 4 seconds SEE RK KEKE EEE EEE EEE a aa Ramp Generator SERRE EERE EERE EERE E
3. 100nF Users Manual 6 V0 9 2015 03 eo lt lt OY OF db Gu RB po hop N Ws WW Ha Ol 16 Infineon For a safe and sufficient motor control design discrete components are needed Some of them must be dedicated to the motor application and some to the NovalithIC Figure 4 Figure 5 and Figure 6 show the schematics plus the corresponding layout of the Motor Control Shield Due to the possibility of using the Shield with loads which can draw a current of up to 55 A the connectors Vbat GND OUT1 and OUT2 are designed as solid 4mm through whole connectors This provides the possibility to connect plugs which are capable of such high currents Nevertheless the thermal performance of the Shield itself limits the possible current which should be applied to the Motor Control Shield to 30 A To reach the best performance in terms of parasitic inductance and EMC a GND plane with maximal size was designed In Figure 4 the schematics of the Motor Control Shield is shown The schematics are based on the application circuit in the BTN8982TA Data Sheet TITLE BTN8982_Motor_Control_Shield_Rev_1 Document Number REV Date 18 11 2014 16 32 06 Sheet 1 1 Users Manual 7 V0 9 2015 03 Infineon Figure 5 and Figure 6 show the layout of the Motor Control Shield The layout follows the design rules in the BTN8960 62 80 82 High Current PN Hal
4. Cinfineon Motor Control Shield With BTN8982TA for Arduino Motor Control Shield For Arduino User Manual V0 9 2015 03 Automotive Power in Ss Lo Bho UE D 0 10 12 13 14 La 16 17 18 19 20 21 22 Zo 24 23 26 A 28 Infineon o een een 3 eond CIS van id Eee ee 3 Related INSTANT en er ee ee ee 3 1 1 Motor Control Shield overview cccscsscccccssssssssssscccccccessscsscccocccosMPMpecccceccceecsssscscoescceussssssccceses 4 1 2 SC a 3111 SR IA E ee ee ee ee ee 4 1 3 Block Diagram of a bi directional Motor Control ccoooooccccooccnnnoonaccnnnanrnnconononcnnnnnnnncnnnnnnnncnononcnnnnns 6 2 1 SCHEMA ANN o een E Ce A AA 7 2 2 Eo ee er ee errr rey Alb AA A 8 2 3 Important design and layout rules ccccssssseecccsssbecscccssensscccesessnscecessssenscecessssusecesssssenseesseseeens 9 2 4 INS A A A O AA 10 2 5 Pin Definitions and Functions Meco oo Ml ccccccccccccsscsccssscccccecccccesssecssscssssssscscees 11 3 1 Key Features of the BTN8982TA NovallithIC vio ceeccessccssscssscessecsseecsssessesceseecsseessaeeseeecessesessesees 12 3 2 BISCK DIAGN GIN ee ee E 13 3 3 Pin Assignment WE A A eneeeenneeeesssennnnnnnnnnnnnnnnnnnnnnnunnnnenennnnnnnnnnnnnnnnnnnnonnnnneen 14 3 4 Pin Definitions and FUMCWRRIS Qh SBye 0 ccccccccsccccccccccccesseccssssssocscssscecececcecceseseesssccssssscessees 14 4 1 Target Applications RE E MAMI sowencohe
5. ERE EE EK EE EK EE EE EE EE EE EEE ER EE EEE EE EE KH HE Ee i ua 222222 2 22 2 22 22 2 2 2 2 2 2 2 2 2 2 2 2 2 0 2 2 2 2 2 2 2 0 2 2 2 2 2 2 2 0 2 22 2 2 2 2 2 2 2 2 003 Users Manual 20 V0 9 2015 03 Cinfineon V0 9 2015 03 Users Manual 21 V0 9 2015 03 AURIX C166 CanPAK CIPOS CIPURSE CoolGaN CoolMOS CoolSET CoolSiC CORECONTROL CROSSAVE DAVE DI POL DrBLADE EasyPIM EconoBRIDGE EconoDUAL EconoPACK EconoPIM EiceDRIVER eupec FCOS HITFET HybridPACK ISOFACE IsoPACK i Wafer MIPAQ ModSTACK my d NovalithiIC OmniTune OPTIGA OptiMOS ORIGA POWERCODE PRIMARION PrimePACkK PrimeSTACK PROFET PRO SIL RASIC REAL3 ReverSave SatRIC SIEGET SIPMOS SmartLEWIS SOLID FLASH SPOC TEMPFET thinQ TRENCHSTOP TriCore Advance Design System ADS of Agilent Technologies AMBA ARM MULTI ICE KEIL PRIMECELL REALVIEW THUMB yVision of ARM Limited UK ANSI of American National Standards Institute AUTOSAR of AUTOSAR development partnership Bluetooth of Bluetooth SIG Inc CAT iq of DECT Forum COLOSSUS FirstGPS of Trimble Navigation Ltd EMV of EMVCo LLC Visa Holdings Inc EPCOS of Epcos AG FLEXGO of Microsoft Corporation HYPERTERMINAL of Hilgraeve Incorporated MCS of Intel Corp IEC of Comm
6. cover the fast transients between the Vs pin and the GND pin The value of these ceramic capacitors must be chosen so that fast Vs ripples at the NovalithIC do not exceed 1V peak to peak The layout wiring for C1 C3 must be shorter than for C4 to the NovalithIC to keep the parasitic PCB wire inductance as small as possible In addition the parasitic inductance could be kept low by placing at least two vias for the connection to the GND layer C6 C8 These ceramic capacitors are important for EMI in order to avoid entering RF into the NovalithIC as much as possible Good results have been achieved with a value of 220 nF In terms of layout it is important to place these capacitors between OUT and Vs without significant additional wiring from C6 C8 to the Vs and OUT line C5 C2 These ceramic capacitor help to improve the EMC immunity and the ESD performance of the application Good results have been achieved with a value of 220 nF To keep the EMC and ESD out of the board the capacitor is most effective when positioned directly next to the board connector In addition the parasitic inductance could be kept low by placing at least two vias for the connection to the GND layer Other components ICO D1 and R8 Reverse polarity protection See Chapter 4 4 of the Applikation Note R9 R6 Slew rate resistors according to data sheet C11 C12 Stabilization for slew rate resistors R9 R6 R7 R4 Resistors to generate a current sensi
7. e basis for the following design and layout recommendations is the parasitic inductance of electrical wires and design guidelines as described in Chapter three and four of the Application Note BTN8960 62 80 82 High Current PN Half Bridge NovalithIC Rev 0 3 2014 09 11 C4 so called DC link capacitor This electrolytic capacitor is required to keep the voltage ripple at the Vs pin of the NovalithiC low during switching operation the applied measurement procedure for the 11 12 13 14 19 19 supply voltage is described in Chapter 3 1 of the Application Note It is strongly recommended that the voltage ripple at the NovalithIC Vs pin to the GND pin is kept below 1 V peak to peak The value of C4 must be aligned accordingly See therefore Equation 10 in the Application Note Most electrolytic capacitors are less effective at cold temperatures It must be assured that C4 is also effective under the worst case conditions of the application The layout is very important too As shown in Figure 6 the capacitor C4 must be positioned with very short wiring close to the NovalithIC This must be done to keep the parasitic inductors of the PCB wires as small as possible Users Manual V0 9 2015 03 00 OF Ul B w Ni Ee Cr LO PrPrRP re 0 is WHE ON 17 18 i 20 aL 22 Zs 24 23 26 er 28 29 30 cpl e Infineon C1 C3 This ceramic capacitors support C4 to keep the supply voltage ripple low and
8. e package Due to the P channel high side switch a charge pump is not needed The BTN8982TA half bridge is easy to control by applying logic level signals to the IN and INH pin When applying a PWM to the IN pin the current provided to the motor can be controlled with the duty cycle of the PWM With an external resistor connected between the SR pin and GND the slew rate of the power switches can be adjusted The Motor Control Shield can be easily connected to any Arduino board or the XMC1100 Boot Kit via headers Arduino Connector OUT1 2x NovalithIc BTN8982TA rm na gt Arduino Connector The Motor Control Shield has the following features An Arduino Uno R3 XMC1100 Boot Kit or similar board connected to the shield can control the two half bridges via the general IO pins Users Manual 4 V0 9 2015 03 oO lt lt GD Ul dd DB E LL 12 Lo 14 ilies 16 L7 18 ES 20 l 22 a Cinfineon Brushed DC Motor Control up to 250 W continuous load o 8 18 V nominal input voltage max 6 40 V o Average motor current 30 A restricted due to the limited power dissipation of the PCB BTN8982TA current limitation 55 A min Drives either one brushed bi directional DC motor or two uni directional DC motors Capable of high frequency PWM e g 30 kHz Adjustable slew rates for optimized EMI by changing external resistor Driver circuit with logic level inputs Status flag diagnosis with current
9. e slew rate of the power switches can be adjusted by connecting a resistor between SR and GND 6 t p Current Sense and Diagnostics 7 Vs fe Supply Vbat at the Shield connector Users Manual 14 V0 9 2015 03 oY UN e w N 10 11 12 13 14 La 16 Li 18 19 20 21 Ze 23 24 Li 26 21 Cinfineon The application targeted by the BTN89xx devices is brushed DC Motor Control Besides Motor Control any other inductive resistive and capacitive load within the electrical characteristics of the NovalithIC can be driven by the BTN89xx In the Motor Control Shield two BTN8982TA are used Each is capable of driving up to 50 A The limited thermal performance of the Shield PCB limits the recommended maximum current to 30 A With the Motor Control Shield either two mid power uni directional DC brushed motors or one bi directional brushed motor with the two half bridges used in H bridge configuration can be driven The half bridges are controlled via the IN Input and INH Inhibit pins The slew rate of the high frequency PWM can be adjusted by connecting an external resistor between the SR pin and GND The BTM8982TA also provides a sense current at the IS pin The Power Shield provides a fast and easy access to brushed DC motor solutions of up to 300 W Choose a mid power brushed DC motor Choose a DC adapter The nominal input of the Power Shield is 8 18 V DC Maximum Voltage is 40 V Select pin headers and connectors of
10. f Bridge NovalithIC Application Note also see Chapter 2 3 00 00000000 190000 oe 00009000 Dooogapgeo o HO Q ooo 8TN8992_D U 1 ch A Cinfineon TNaga2_DEV 2 0 ra umr ar a Users Manual 8 V0 9 2015 03 CO Co 3 HO U A Infineon Provided _by_cust Place omer Descript ty YES NO _YES NO Distributor Remarks customer Device Package Description CAP0603 CAP Standard device CAP0603 CAP 0603 CAP 0603 CAP Capacitor 4 yes Capacitor 4 yes Standard device Farnell Order Code 2069026 or RCL CPOL EUES 13 1834156 7 CPOL EUD CAP0603 CAP RCL_ES 13 PANASONIC_D 0603 CAP POLARIZED CAPACI TOR POLARIZED CAPACI TOR Capacitor Capaciator Radial Standard device Farnell Order Code NXP BZV55 C10 DIODE SMD PACKAGES SOD80 Diode 1081361RL ZENER 1OV 500MW Farnell VISHAY Order SEMICONDUCTOR Code MY33 G508 DIODE 1617744 ZENER 1W 33V DIODE ZENER DIODE ZENER SMD PACKAGES MELF D Diode HW_INFINEON_IPDSOPO4P4L 04 TO 252 3 313 L MOSFET 2 HW INFINEON_BIN8982TA TO263 7 1 Ic HW INFINEON_BIN8982TA TO263 7 1 Ic RESISTORO603 RES 0603 RES RESISTORO603 RES 0603 RES Standard device Standard device Farnell VISHAY DRALORIC Order CRCWO0603510RFKEA Code RESISTOR 0603 510R 1469826 1 Farnell VISHAY DRALORIC Order CRCWO603510RFKEA Code RESISTOR 0603 510R 1469826 1 Resistor Resistor RESISTORO603 RES 0603 RES Resistor RESISTOROGO3 RES Resistor Th
11. ies of any kind including without limitation warranties of non infringement of intellectual property rights of any third party For further information on technology delivery terms and conditions and prices please contact the nearest Infineon Technologies Office Due to technical requirements components may contain dangerous substances For information on the types in question please contact the nearest Infineon Technologies Office Infineon Technologies components may be used in life support devices or systems only with the express written approval of Infineon Technologies if a failure of such components can reasonably be expected to cause the failure of that life support device or system or to affect the safety or effectiveness of that device or system Life support devices or systems are intended to be implanted in the human body or to support and or maintain and sustain and or protect human life If they fail it is reasonable to assume that the health of the user or other persons may be endangered
12. ission Electrotechnique Internationale IrDA of Infrared Data Association Corporation ISO of INTERNATIONAL ORGANIZATION FOR STANDARDIZATION MATLAB of MathWorks Inc MAXIM of Maxim Integrated Products Inc MICROTEC NUCLEUS of Mentor Graphics Corporation MIPI of MIPI Alliance Inc MIPS of MIPS Technologies Inc USA muRata of MURATA MANUFACTURING CO MICROWAVE OFFICE MWO of Applied Wave Research Inc OmniVision of OmniVision Technologies Inc Openwave of Openwave Systems Inc RED HAT of Red Hat Inc RFMD of RF Micro Devices Inc SIRIUS of Sirius Satellite Radio Inc SOLARIS of Sun Microsystems Inc SPANSION of Spansion LLC Ltd Symbian of Symbian Software Limited TAIYO YUDEN of Taiyo Yuden Co TEAKLITE of CEVA Inc TEKTRONIX of Tektronix Inc TOKO of TOKO KABUSHIKI KAISHA TA UNIX of X Open Company Limited VERILOG PALLADIUM of Cadence Design Systems Inc VLYNQ of Texas Instruments Incorporated V WORKS WIND RIVER of WIND RIVER SYSTEMS INC ZETEX of Diodes Zetex Last Trademarks Update 2014 07 17 ifx000000000001 The information given in this document shall in no event be regarded as a guarantee of conditions or characteristics With respect to any examples or hints given herein any typical values stated herein and or any information regarding the application of the device Infineon Technologies hereby disclaims any and all warranties and liabilit
13. ng voltage from the IS current C10 C9 Ceramic capacitors for EMC immunity improvement GND connection with at least two GND vias A good value is 1nF In case the current should be measured during the PWM phase this capacitor must be adapted to the ON time inside the PWM phase R1 R2 R3 and R5 Device protection in case of microcontroller pins shorted to Vs To use the Motor Control Shield the necessary control signals can be applied directly at the Arduino connectors There is no need to use an Arduino or XMC 1100 Boot Kit to get the Motor Control Shield into an application The control pins are logic level inputs which can be driven by any other microcontroller or with logic level signals Besides the supply voltage Vbat has to be provided to the Vbat connector Figure 8 shows the pinout connectors of the Motor Control Shield Users Manual 10 V0 9 2015 03 Cinfineon Seeger m m Input bridge 1 Defines whether high or low side switch is activated Input bridge 2 Defines whether high or low side switch is activated D12 INH_1 Inhibit bridge 1 When set to low device goes in sleep mode D13 INH_2 Inhibit bridge 2 When set to low device goes in sleep mode Users Manual 11 V0 9 2015 03 Cinfineon Cinfineon Cinfineon Pin I O Function 1 GND Ground 2 Input PR Defines whether high or low side switch is activated When set to low device goes in sleep mode 4 8 or e E T 5 Slew Rate Th
14. sense capability Protection e g against overtemperature and overcurrent Reverse polarity protection with IPD90P04P4L Further comments o To keep the costs as low as possible the pin headers and connectors are not attached to the shield The user can solder them by himself The pin headers are not expensive but the through whole soldering is a not insignificant cost factor o The size of the DC link capacity C4 in the schematics and C10 in the application circuit with 1000uF is for most applications oversized It is a worst case scenario if a 500W motor is connected to the shield The capacity can be replaced by smaller capacities when using less powerful motors Equation 10 in the BTN8960 62 80 82 High Current PN Half Bridge NovalithIC Rev 0 3 2014 09 11 Application Note should be used to calculate the value of the DC link capacity Users Manual 5 V0 9 2015 03 I a AT Be w Uy Infineon As a Starting point for the Motor Control Shield the application block diagram shown in Figure 3 was used For simplicity reasons the conductivity L was removed in the Shield schematics In the application block diagram the INH pins of both half bridges are connected to one IO port of the microcontroller To be more flexible in the usage of the Motor Control Shield each INH of the two half bridges is connected to a separate IO pin Reverse Polarity Protection IPD9OPO3P4L 04 Microcontroller Voltage Regulator 220nF 220nF
15. xsartsecdeensn ce csecessechsobeenexasvsduestnied lt nscasdechocmecanaaenedeendaiedanes 15 4 2 Typical target APLCHUEN Ba 24022000000000nnnnennannnnnnsnnnansnnnunnnnnsnnnnnnnnansnnnsnnnnnsnnnnnnnnnnsnnnsnnnansnnnnnennns 15 4 2 1 Getting Sta WR Shi E eeeaeesnnnsennannnnnnnnnnansnnnunnnannnnnnnnnnnnsnnnnnnnnnssnnnsnnnansnnnnnennnn 15 4 2 2 GE ET COMO A 16 4 2 3 Sein OF A SSA 19 Users Manual 2 V0 9 2015 03 Infineon This document describes how to use the Motor Control Shield with BTN8982TA for Arduino Engineers hobbyists and students who want to add a powerful Motor Control to Arduino projects Reference Description Product page which contains reference information for the half bridge BTN8982TA All information on Arduino Arduino Uno R3 description All details on DAVE IDE Product page which contains reference information for the XMC1100 Boot Kit Users Manual 3 V0 9 2015 03 OO Oy Ul Hs to N KO LL 12 13 14 La Ir Ll 18 LS 20 tall Cinfineon The Motor Control Shield adds powerful motor control to the Arduino projects The shield can be controlled with the general logic IO Ports of a microcontroller Either an Arduino Uno R3 or the XMC1100 Boot Kit from Infineon can be used as the master On board of the Motor Control Shield are two BTN8982TA NovalithIC Each is featuring one P channel high side MOSFET and one N channel low side MOSFET with an integrated driver IC in on
16. your choice and solder to the Power Shield Due to cost reduction the pin headers and connectors are not attached Connect the Power Shield to Arduino Uno R3 or XMC 1100 Boot Kit Connect power supply 5 V to the Arduino Uno R3 or XMC 1100 Boot Kit Micro USB For the XMC Boot Kit a standard mobile phone charger can be used Program the controller board with the motor control software see 4 2 2 Connect the motor to OUT1 and OUT2 H bridge For bi directional applications connect the motor to OUT1 and OUT2 H bridge For uni directional use the motor can be placed between an output OUT1 OUT2 and either GND or Vbat half bridge Connect the DC adapter to the Power Shield Vbat GND Turn on the power Users Manual 15 V0 9 2015 03 Cinfineon DUT 1 2x ovalithIC BTN8982TA 411113 nm A simple example software for the XMC1100 Boot Kit is provided H bridge Connect the XMC 1100 Boot Kitwith amicro USB cable to the USB port of your PC Download and install the DAVE Free Development Platform for Code Generation from the Infineon website DAVE Start DAVE and import project file H bridge Users Manual 16 V0 9 2015 03 Cinfineon Infineon 1 3 Select archive file Browse for the file Selectthe project Click finish Import DAVE projects Import Existing DAVE Projects O Select Root Directory Select Archive File C Users rabensta My Work Baustein XE1000 Project List
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