UM1823 User manual - STMicroelectronics
Contents
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3. 38 49 DoclD026975 Rev 1 q UM1823 Bill of material D Table 11 Bill of material continued Value generic Qty Reference part number Package class Manufacturer 1 W4 Jumper 2 54 Two pins of break way jumper Three pins of break way 1 W5 Jumper 2 54 jumper in position R_BRAKE 1 W6 Jumper 2 54 Two pins of break way 1 W7 Jumper 2 54 Two pins of break way Three way HV selector M ids Mounting hole default three shunt position insulated umber HV insulated jumper 5 08 1 jump mm default three shunt blue position 1 W14 Wire jumper Not assembled 1 W16 Jumper 2 54 Three pins of break way jumper in position 1 Het 1 Heatsink 150 mm of AL profile 8693 PADA Engineering 1 Het 2 Heatsink J Tor TO 220 with PADA Engineering montage pin Montage clip PADA 7704 7 Clip for het TO 220 10 mm PADA Engineering Montage clip PADA 7703 1 Clip for het TO 220 15 mm PADA Engineering Isolation tape 24 mm wide 130 mim Isolation tape approx 130 mm long self adhesive DocID026975 Rev 1 39 49 PCB layout UM1823 7 PCB layout For this application a standard double layer coppered PCB with a 60 um copper thickness was selected The PCB material is FR 4 The dimensions of the board are Length 182 mm Width 127 mm PCB thickness 1 55 mm q 40 49 DocID026975 Rev 1 PCB layout UM1823 Figure 16 Silk s
4. LOSLOWY aN aN j 49 420 o T e VS OI F 23u un a ON moto 028 zoly LOLY 0014 d arr 9 DN L 668 Se LE onu PPA m m T N TS 3 Wilireviva red N 864 E AE lt 44001 792 JL peu A HSE m T vreeze 2 4 m co 9 E dum get g A e ee 764 DN 9 6Y amp eo ELM E 99 ig t OL S 6Y soy Ju 1 HSL K O OZ 168 N N S S eT ib 09 lo T idol mer s 3GQ09H01d91S T x l GTS SSC 064 69 89 CH LLD LL 9 I d SbLPNL ZZO WOL 88H ZL 2N Kes UA O L 84 yaseyud lt e a 1no N IH E C 4 eC JH D W Md 3 ZH SAH aoa si 34 OO i I 1 HT lt E G OZL 984 or Ow Mir H 1 2 W Md Y UA O L S gu Lu x SI 4 gt Zn Q06 91 ASL 4GO9HOLdDIS E OX 001 o oo LA En 4d occ GEN d 3 SbLyNL GO UOL Een SSD ren ESD A A sl sngt lt o9 asi L D jeuueup jeAup epis 1 H AH 15 49 DoclD026975 Rev 1 Board description UM1823 2 3 2 3 1 Note 16 49 Circuit description Power supply The power supply in the STEVAL IHM023V3 evaluation board is implemented as a multifunctional block which allows to supply the inverter in all ranges of input voltage up to 285 VAC or 400 VDC If the input AC voltage does not surpass 145 VAC it is possible to apply the input voltage doubler this is done by shorting the W14 jumper This configuration almost doubles the input AC voltage to a standard level and allows to evaluate the motor control application with a low l
5. UM1823 Bill of material Table 11 Bill of material continued Value generic Qty Reference part number Package class Manufacturer 1 C56 100 nF 25 V Capacitor SMD 0805 1 C57 470 pF 25 V Capacitor SMD 0805 1 C12 47 nF 25 V Capacitor SMD 0805 2 ICH C68 22 uF 6 3 V Elyt capacitor SMD 4 x 4 Panasonic 2 C9 C38 10 nF 25 V Capacitor SMD 0805 uis wk NTE SE 1 VR1 100 NTC EPCOS B573648100M 3 R1 R3 R6 100 ko Resistor SMD 1206 1 R10 13 ko Resistor SMD 0805 196 4 Apples I 5 6 kQ Resistor SMD 0805 1 R12 N C 1 R13 160 Q Resistor SMD 1206 R112 R113 R114 R115 9 R116 R117 4 7 kQ Resistor SMD 0805 R109 R110 R111 1 R18 6 8 kQ Resistor SMD 0805 2 R19 R108 N C dee 470 kQ Resistor SMD 1206 1 De LE 220 Q Resistor SMD 0805 6 E Ge is 10 kO Resistor SMD 0805 1 R25 560 Q Resistor SMD 0805 1 RS32 9 1 KQ Resistor SMD 0805 196 1 R26 1 kQ Resistor SMD 0805 1 jap es 2 2 kQ Resistor SMD 0805 1 R29 100 Q Resistor SMD 0805 1 RS0 15 kQ Resistor SMD 0805 1 R31 27 KQ Resistor SMD 0805 196 1 R34 12 kQ Resistor SMD 0805 1 DM ioc dE 100 kQ Resistor SMD 0805 DoclD026975 Rev 1 35 49 Bill of material UM1823 Table 11 Bill of material continued Qty Reference value generic Package class Manufacturer part number 4 B37 R41
6. m AWATA W a 0 S08 W1 xew A S e ord en L Le Aiddns snd 20 M Y fep 6091 elu ASh lt T ssed q DIN dod OLllovdvo gt I dh ON 9 S 899 Ju 00L ONS Au 00 Hd YOLOW 999 192 su oot 9 eseud lt A S no NI E L S ASL ueeJB q31 A Ra IAA SLY g eseud e Mda H1 LdOVSOWS 1 OLN za z V seud lt lt e L er Ash e Je ul A S Ajddns xe A SL jndino Jojo Aga ssed q OLN DoclD026975 Rev 1 12 49 Board description UM1823 SOSZOWV A St v I uueu34 AHD apis UH AH qasi A ved a 8 OUND yg 5 lt 4 y CG Aa ain eadw H dei OZdL Y wung OldL AE y a EN c gt O19 E 4uOL l ji 6ldl H DW Md 6 dl Y tU 8 2 e lt gt 4q Jd zv NEE 8ldl HA 8 dl ain yesadway jay L ER Col st leet ES M Em S sige ade Se eng C gt
7. AM00473 The overcurrent protection can be disabled with software if the W5 jumper is set to the OCP OFF position This may be necessary and is often useful when the user decides to make the brake operate by turning on the three low side switches In fact if the motor acts as a generator it s necessary to protect the hardware preventing the bus voltage from exceeding a safety threshold In addition to dissipating the motor energy on a brake resistor it s possible to short the motor phases preventing the motor current from flowing through the bulk capacitors Please note that with disabling of the OCP the evaluation board is not protected against any overcurrent event Current sensing amplifying network The STEVAL IHM023V3 motor control evaluation board can be configured to run in various current reading configuration modes e Three shunt configuration suitable for the use of field oriented control FOC e Single shunt configuration suitable for the use of FOC in a single shunt configuration e Single shunt six step configuration suitable for scalar control Configuration with a shunt resistor where voltage amplified with an operational amplifier is sensed was chosen as the current sensing networks Single shunt configuration requires a single op amp three shunt configuration requires three op amps Just for compatibility purposes one of them is common to both basic configurations The configuration jumpers W
8. List of tables List of tables Table 1 Table 2 Table 3 Table 4 Table 5 Table 6 Table 7 Table 8 Table 9 Table 10 Table 11 Table 12 Table 13 Current reading configuration 23 Jumper settings for high voltage BLDC motor in six step control 24 Jumper settings for low voltage BLDC motor in six step control 25 Jumper settings for high voltage PMAC or generic AC motor in single shunt FOC eil ue BEEN 26 Jumper settings for low voltage BLDC motor in single shunt FOC control 27 Jumper settings for FOC of HV PMSM BLDC or AC IM in three shunt configuration for current reading eee exem Rp R eee Madea KR UNE Pa eee he 28 Jumper settings for FOC of LV PMSM or BLDC in three shunt configuration for current reading xi iiu see does Rattan E t Cit he Ra lc ec bed ae ORO RD RR 29 Jumpers description geste SNE EE ENEE EA ENEE E EE edo ox ete Ree on 20 Connector pinout description 31 Testing pins description 32 EUR erg 34 STEVAL IHM023V3 motor control workbench parameters 45 Document revision history 48 DocID026975 Rev 1 5 49 System introduction UM1823 1 System introduction 1 1 Main characteristics The information below lists the converter specification data and the main parameters set for
9. E UM1823 y life qugmented User manual 1 kW three phase motor control evaluation board featuring L6390 drivers and STGP10H60DF IGBT Introduction This document describes the 1 kW three phase motor control evaluation board featuring the L6390 high and low side drivers and the STGP10H60DF IGBT The evaluation board is an AC DC inverter that generates a three phase waveform for driving three or two phase motors such as induction motors or PMSM motors up to 1000 W with or without sensors The main device presented in this user manual is a universal fully evaluated and populated design consisting of a three phase inverter bridge based on the 600 V STMicroelectronics IGBT STGP10H60DF in a TO 220 package mounted on a heatsink and the L6390 high voltage high side and low side driver featuring an integrated comparator for hardware protection features such as overcurrent and overtemperature The driver also integrates an operational amplifier suitable for advanced current sensing Thanks to this advanced characteristic the system has been specifically designed to achieve an accurate and fast conditioning of the current feedback therefore matching the typical requirements in field oriented control FOC The board has been designed to be compatible with single phase mains supplying from 90 VAC to 285 VAC or from 125 VDC to 400 VDC for DC voltage With reconfiguration of the input sourcing the board is suitable also for low voltage DC applica
10. Hardware setting of the STEVAL IHM023V3 UM1823 Table 6 below shows the jumper settings for three shunt based FOC of any high voltage PMSM BLDC or AC IM motor Please confirm that the evaluation board input voltage is in the range of 125 VDC to 400 VDC or 90 VAC to 285 VAC If the voltage doubler is applied the input voltage must be in the range of 65 VAC to 145 VAC Table 6 Jumper settings for FOC of HV PMSM BLDC or AC IM in three shunt configuration for current reading Jumper W1 W3 Jumper settings for FOC of HV PMSM BLDC or AC IM in three shunt configuration for current reading 3 3 V position HIGH VOLTAGE position W4 Present for Hall sensor or encoder Not present for connected tachometer W5 R BRAKE position for software handling of resistive brake if any OCP OFF position for software handling of overcurrent protection disabling W6 Present for supplying control stage from IHM023v2 connector with Vpp max 50 mA W7 Present for connected tachometer Not present for connected Hall sensor or encoder W9 W10 Three shunt Present W11 Silk screen marked position W13 Three shunt W14 Not present W16 Silk screen marked position for supplying Hall encoder with Vpp Not marked position for supplying Hall encoder with 5 V Table 7 shows jumper settings for three shunt based FOC of any low voltage PMSM or BLDC
11. the STEVAL IHMO23V3 evaluation board Minimum input voltage 125 VDC or 90 VAC Maximum input voltage 400 VDC or 285 VAC With applied input voltage doubler the range is from 65 VAC to 145 VAC Voltage range for low voltage motor control applications from 18 VDC to 35 VDC Possibility to use auxiliary 15 V supply voltage Maximum output power for motors up to 1000 W Regenerative brake control feature Input inrush limitation with bypassing relay 15 V auxiliary power supply based on buck converter with VIPer 16 IGBT power switch STGP10H60DF in TO 220 package compatible with other ST IGBTs or power MOSFETs in TO 220 package Fully populated board conception with testing points and isolated plastic safety cover Motor control connector for interface with ST motor control dedicated kits Tachometer input Hall encoder inputs Possibility to connect BEMF daughterboard for sensorless six step control of BLDC motors PCB type and size Material of PCB FR 4 Double sided layout Copper thickness 60 um Total dimensions of evaluation board 127 mm x 180 mm 1 2 Target applications 6 49 Washing machines Home appliances Medical applications rehabilitative beds High power high efficiency water pumps for heating applications q DocID026975 Rev 1 UM1823 System introduction 1 3 Safety and operating instructions 1 3 1 General terms Warning During assembly testing and operation the evaluatio
12. 09908 DWIJA i BNINHUM 10855 EI D26 F DocID026975 Rev 1 42 49 PCB layout Ordering information UM1823 8 9 1 Note 44 49 Ordering information The evaluation board is orderable through the standard ordering system the ordering code is STEVAL IHM023V3 The items delivered include the assembled evaluation board board documentation PCB fabrication data such as gerber files assembly files pick and place and component documentation Using STEVAL IHM023V3 with STM32 PMSM FOC SDK The STM32 PMSM FOC firmware library is part of the STM32 PMSM single dual FOC SDK In particular it is a firmware library running on any STM32F103x and STM32F100x device which implements the Field Oriented Control FOC drive of three phase Permanent Magnet Synchronous Motors PMSM both Surface Mounted SM PMSM and Internal I PMSM This section describes how to customize the firmware library by making use of the PC tool ST MC Workbench downloadable from www st com Environmental considerations Warning The STEVAL IHM023V3 evaluation board must only be used in a power laboratory The voltage used in the drive system presents a shock hazard The kit is not electrically isolated from the DC input This topology is very common in motor drives The microprocessor is grounded by the integrated ground of
13. 4 Bus voltage 5 3 3 VDC 6 Vpp_micro 7 7 GND ES 8 PWM VREF Tachometer input connector for AC motor speed loop control J8 1 Tachometer bias 1 p 2 Tachometer input Table 10 Testing pins description Number Description TP1 Output phase A TP2 Output phase B TP3 Output phase C TP4 PWM phase A low side TP5 PWM phase A high side TP6 PWM phase B low side TP7 PWM phase B high side TP8 PWM phase C low side TP9 PWM phase C high side TP10 Current sensed in phase A TP11 Current sensed in phase B TP23 Current sensed in phase C TP13 Sensed tachometer encoder Hall signal A TP14 Sensed encoder Hall signal B TP15 Sensed encoder Hall signal Z TP16 Voltage on bus divider bus voltage information TP17 Brake status brake active in low state 32 49 DoclD026975 Rev 1 Ly UM1823 Connector placement Table 10 Testing pins description continued Number Description TP18 3 3 VDG TP19 15 VDC TP20 Reference voltage 2 5 V for overtemperature protection TP21 GND TP24 5 VDC 5 Connector placement A basic description of the placement of all connectors on the board is visible in Figure 15 Figure 15 STEVAL IHM023V3 connectors placement Ly DoclD026975 Rev 1 33 49 Bill of material UM1823 6 Bill of material A list of components used to build the evaluation board is shown in Table 11 The majority
14. Please confirm that the input voltage of the evaluation board in this case is in the range of 18 VDC to 35 VDC If it is necessary to supply the motor with a voltage lower than 18 VDC please remove the W3 jumper and connect the auxiliary voltage to the J3 connector In this configuration it may be necessary to modify R2 R4 and R7 resistors according to the applied supply voltage 28 49 q DocID026975 Rev 1 UM1823 Hardware setting of the STEVAL IHM023V3 Table 7 Jumper settings for FOC of LV PMSM or BLDC in three shunt configuration for current reading Jumper Jumper settings for FOC of LV PMSM or BLDC in three shunt configuration for current reading W1 3 3 V position W3 35 V ONLY position WA Present for Hall sensor or encoder Not present for connected tachometer W5 R BRAKE position for software handling of resistive brake if any OCP OFF position for software handling of overcurrent protection disabling W6 Present for supplying control stage from IHM023v3 connector with Vpp max 50 mA W7 Present for connected tachometer Not present for connected Hall sensor or encoder wg Three shunt W10 Present W11 Silk screen marked position W13 Three shunt W14 Not present W16 Silk screen marked position for supplying Hall encoder with Vpp Not marked position for supplying Hall encoder with 5 V 4 DocID026975 Rev 1 29 49 Description of jumpers te
15. R58 100 Resistor SMD 0805 R62 R38 R59 R85 o 6 R40 R61 R87 1kQ Resistor SMD 0805 1 4 R99 R45 R60 120 Q Resistor SMD 0805 R65 3 R42 R63 R89 3 3 kO Resistor SMD 0805 3 R43 R64 R90 47 KQ Resistor SMD 0805 1 1 R44 3 6 KQ Resistor SMD 0805 1 3 R46 R66 R92 3 3 kQ Resistor SMD 0805 1 1 R49 N C 2 R5 R9 1200 Resistor SMD 0805 3 R52 R97 R78 3 3 KQ Resistor SMD 0805 1 3 R54 R76 R100 820 Q Resistor SMD 0805 1 3 R55 R71 R101 0 152 EL SMD 2512 196 2 3 R56 R68 R102 N C R67 R70 R75 c 6 R79 R50 R53 1 ko Resistor SMD 0805 1 1 R69 680 Q Resistor SMD 0805 1 1 R7 7 59 Resistor SMD 0805 1 R72 R48 R47 6 R77 R51 R98 1 kO Resistor SMD 0805 195 1 R73 N C 1 R8 51 KQ Resistor SMD 0805 195 1 R80 2 2 kQ Resistor SMD 0805 1 1 R81 33 Q Resistor SMD 0805 1 2 R83 R88 109 Resistor SMD 0805 1 R104 68 kO Resistor SMD 0805 1 R84 2 2 KQ Resistor SMD 0805 2 R86 R91 1200 Resistor SMD 0805 R93 R95 R99 e 5 5 R94 R103 1 kO Resistor SMD 0805 1 1 R96 N C 1 R105 220 kQ Resistor SMD 0805 1 1 L1 47 uH SMD choke 0 5 A Panasonic 1 L2 2 2 mH SMD choke 0 25 A W rth Elektronik 36 49 DoclD026975 Rev 1 Ly UM1823 Bill of material Table 11 Bill of material continued Value generic Qty Reference part number Package class Manufacturer 1 D1 KBU6K Diode bridge 250 VAC
16. of the active components used are available from STMicroelectronics Table 11 Bill of material Qty Reference Value generic Package class Manufacturer part number 2 C1 C5 2 2nF Y1 Y1 safety CAP 4 7 nF Nurata Manulact ring Co Ltd Elyt capacitor RM 10 mm 2 C2 C3 1200 uF 250 V 30 x 45 105 C Panasonic 1 C13 N C 1 C14 220 nF 25 V Capacitor SMD 0805 1 C15 3 3 uF 450 V Panasonic 1 C16 1 uF 50 V Elyt capacitor SMD 4 x 4 Panasonic 1 C19 100 uF 25 V Elyt capacitor SMD 8 x 8 Panasonic C66 C67 C71 C72 C73 C26 9 C24 C27 C28 100 nF 25 V Capacitor SMD 0805 C6 C7 C17 C18 C10 C11 3 C69 C70 C74 10 pF 25 V Capacitor SMD 0805 1 C25 4 7 uF 25 V Elyt capacitor SMD 4 x 4 Panasonic 1 C29 2 2 nF 25 V Capacitor SMD 0805 1 C30 4 7 nF 25 V Capacitor SMD 0805 3 C31 C42 C53 330 pF 25 V Capacitor SMD 0805 C32 C33 C43 6 C44 C54 C55 1 uF 50 V Capacitor SMD 1206 50 V C34 C35 C45 6 C46 C58 C59 10 pF 25 V Capacitor SMD 0805 4 SC C47 C60 i1nF 25V Capacitor SMD 0805 3 C37 C48 C61 470 nF 25 V Capacitor SMD 0805 3 C39 C50 C62 100 pF 25 V Capacitor SMD 0805 1 C4 150 nF X2 Ee X2 capacitor RM 22 5 Arootronics C40 C49 C63 2 2 nF 25 V Capacitor SMD 0805 C41 C51 C64 33 pF 25 V Capacitor SMD 0805 1 C52 330 pF 25 V Capacitor SMD 0805 1 C65 100 pF 25 V Capacitor SMD 0805 34 49 DoclD026975 Rev 1 q
17. tachometer Not present for connected Hall sensor or encoder W9 Single shunt W10 W11 W13 Not present Not marked position Single shunt W14 Present for voltage doubler Not present for standard voltage range W16 Dash mark position of Hall encoder with Vpp Not marked position for supplying of Hall encoder with 5 V DocID026975 Rev 1 25 49 Hardware setting of the STEVAL IHM023V3 UM1823 3 2 26 49 Hardware settings for Field Oriented Control FOC in single shunt topology current reading configuration To drive any motor the user must ensure that The motor control evaluation board is driven by a control board that provides the six output signals required to drive the three phase power stage The motor is connected to the J2 motor output connector If using an encoder or Hall sensor connection it is connected to connector J4 If using a tachometer connection it is connected to connector J8 If using the brake control feature connect a dissipative power load to J6 connector Table 4 below shows the jumper settings for any high voltage motors in single shunt FOC configuration Please confirm that the evaluation board input voltage is in the range of 125 VDC to 400 VDC or 90 VAC to 285 VAC If the voltage doubler is applied the input voltage must be in the range of 65 VAC to 145 VAC Table 4 Jumper settings for high voltage PMAC or generic AC motor in single shu
18. the DC bus The microprocessor and associated circuitry are hot and MUST be isolated from user controls and communication interfaces Warning All measuring equipment must be isolated from the main power supply before powering up the motor drive To use an oscilloscope with the kit it is safer to isolate the DC supply AND the oscilloscope This prevents a shock occurring as a result of touching any SINGLE point in the circuit but does NOT prevent shocks when touching two or more points in the circuit An isolated AC power supply can be constructed using an isolation transformer and a variable transformer Isolating the application rather than the oscilloscope is highly recommended in any case DocID026975 Rev 1 Ly UM1823 Using STEVAL IHM023V3 with STM32 PMSM FOC SDK 9 2 Hardware requirements The following items are required to run the STEVAL IHM023V3 together with the STM32 PMSM FOC firmware library v3 4 e Anymicrocontroller evaluation board with MC connector e Ahigh voltage insulated AC power supply up to 230 VAC e Aprogrammer debugger dongle for control board not included in the package Refer to the control board user manual to find a supported dongle Use of an insulated dongle is always recommended e Three phase brushless motor with permanent magnet rotor not included in the package e Aninsulated oscilloscope as necessary e Aninsulated multimeter as necessary 9 3 Software requirements To customize compile
19. 10 and W11 allow the user to set the common op amp to achieve the compatibility between single shunt six step configuration suitable for scalar control and three shunt or single shunt FOC current reading configuration Three shunt FOC or single shunt FOC current reading configuration The details of the three shunt current sensing reading configuration are shown in Figure 12 In this configuration the alternating signal on the shunt resistor with positive and negative DocID026975 Rev 1 19 49 Board description UM1823 20 49 values must be converted to be compatible with the single positive input of the microcontroller A D converter used to read the current value This means that the op amp must be polarized in order to obtain a voltage on the output that makes it possible to measure the symmetrical alternating input signal The op amp is used in follower mode with the gain of the op amp set by resistor r and R Equation 2 e Dit r It is possible to calculate the voltage on the output of the op amp OP OUT Vour as the sum of a bias Vpjas and a signal V eio component equal to Equation 3 Vout VsiGN Veias 3 3 V x G S 3 TRS Ri R2 R3 van IXHsSHUNT yg TES et S na R1 R2 R3 Total gain of the circuit including the resistors divider is equal to Equation 4 VsigN Yasa Vu RsHUNTxI Gror with the default values this gives e Vs 1 7 V e G 43 QGror 1 7 e Maximum current
20. 1823 Description of jumpers test pins and connectors q Table 9 Connector pinout description Name Reference Description pinout m Supply connector 571 1 PE earth Ji F I 2 PE earth m 3 L phase 4 N neutral Motor connector A Phase A B Phase B C Phase C J2 ED 15 V auxiliary supply connector J3 1 GND 1 2 415 VDC Hall sensors encoder input connector 1 GND 1 Hall sensor input 1 encoder A 1 Hall sensor input 2 encoder B 1 Hall sensor input 3 encoder Z Motor control connector 1 Emergency stop 3 PWM 1H 5 PWM 1L 7 PWM 2H 9 PWM 2L 11 PWM 3H 13 PWM 3L 15 Current phase A i 17 Current phase B 19 Current phase C 33 34 21 NTC bypass relay 23 Dissipative brake PWM 25 V power 27 PFC sync 29 PWM VREF 31 Measure phase A 33 Measure phase B 2 GND 4 GND 6 GND 8 GND 10 GND 12 GND 14 HV bus voltage 16 GND 18 GND 20 GND 22 GND 24 GND 26 heatsink temperature 28 Vdd_m 30 GND 32 GND 34 measure phase C DoclD026975 Rev 1 31 49 Description of jumpers test pins and Connectors UM1823 Table 9 Connector pinout description continued Name Reference Description pinout Dissipative brake J6 I 1 Bus voltage 2 Open collector f wed BEMF daughterboard connector 1 Phase A 2 2 Phase B 3 3 Phase C J7
21. 2 Jumper settings for high voltage BLDC motor in six step control continued Jumper W14 W16 Settings for any HV motor in six step control Present for voltage doubler Not present for standard voltage range Dash mark position of Hall encoder with VDD Not marked position for supplying Hall encoder with 5 V Table 3 shows jumper settings for a low voltage BLDC motor Please confirm that the input voltage mains voltage of the evaluation board in this case is in the range of 18 VDC to 35 VDC If it is necessary to supply the motor with a voltage lower than 18 VDC please remove the W3 jumper and connect the auxiliary voltage to the J3 connector This configuration is called dual supply configuration In this configuration it may be necessary to modify R2 R4 and R7 resistors according to applied supply voltage Table 3 Jumper settings for low voltage BLDC motor in six step control Jumper W1 W3 Settings for any HV motor in six step control 3 3 V position for Vpp 3 3 V 5 V position for Vpp 5 V lt 35 V ONLY position WA Present for Hall sensor or encoder Not present for connected tachometer W5 R_BRAKE position for software handling of resistive brake if any OCP OFF position for software handling of overcurrent protection disabling W6 Present for supplying stage from IHM023V2 max 50 mA W7 Present for connected
22. 8 A D11 D12 D15 7 D16 D19 D20 BAT48 Diode SMD SOD 323 STMicroelectronics D2 D23 D24 D13 D5 D14 8 D17 D18 D21 1N4148 SGE diode SMD D22 D10 2 D25 D29 BZX84B13V Zener diode SOT23 13 V 1 D3 STPS1150 Schottky diode DO 241AC STMicroelectronics SMA Transil JEDEC DO I 1 D4 SM6T36 214AA STMicroelectronics 2 D6 D8 STTH1L06 HV diode SMA STMicroelectronics 1 D7 LED GREEN Universal LED 3 mm 2 mA 1 D9 BZV55C18SMD Zener diode SOD80 18 V 1 D27 LED YELLOW Universal LED 3 mm 2 mA 1 D28 LED RED Universal LED 3 mm 2 mA 1 D26 STTH2L06 HV diode SMA STMicroelectronics Q1 Q4 Q5 Q12 Q13 Q14 e 10 Q15 Q16 Q17 BC847 NPN transistor SOT23 Q18 Q10 Q11 Q3 _ 7 Q6 Q7 Q8 Q9 STGP10H60DF N channel IGBT TO220 STMicroelectronics 1 Q2 BC857B PNP transistor SOT23 Fuse holder 5 x 20 mm 1 F1 Holder KS21 SW SCHURTER 1 F1 6 25 A Fuse 6 25 A Slov FST06 3 5 x20 mm 1 LS1 Finder 4031 12 Relay 12 VDC Finder Linear regulator 3 3 V 1 U1 LD1117S33 SOT223 STMicroelectronics 1 U2 L7815 SC ar regulator 15 V TO STMicroelectronics 1 U3 VIPer16 Smart PWM driver SO 16 STMicroelectronics 2 U4 U8 TS391 ii comparator SOT23 STMicroelectronics 3 U5 U6 U7 L6390 HV low and high side driver sruicroelectronics SO 16 DoclD026975 Rev 1 Bill of material UM1823 Table 11 Bill of material continued Qty Reference value generic Pa
23. ER L m abe ox sng OldL 1 8 W Md 9 dl Ox 0L OLN reseud w C gt y 118 G en Tiweievesi Se S E d fal 2 S OM ZZ n waz gsseud Ww CO zza Tyn m COO yal v 9u ccu m rw v eseud Ww vldl 3 sseud lt lt dL A de dL 3 waun gt L gt lt ESA g eseud il zd E wees Ld ay vaseyd lt i ika O 1o e1eduiuo2 DIN 19H Suid sai oJnjeJeduJa yursjea o uisjeaH co gt 9 ZN o 4 40 d20 IN Usro _ KE SSH O 028 4d ge E SS V quand E ON LE Su FEH LE A D OIL PPA lt AEE E 5 CULT wureviva sia Ei HS res T OEE su Jon 69 OAL 8rH om T Ge T o K DN6 tu tA 6M S k e al Y OAL tu S 4dozp 401 i N UOZL en ena RE SNP LED 9 2 GN Lr sd or 7301 OH CC 3009H01491S T gt SE Z v een Ire Z tu SbLyN vid GOL YU E SN E i i GOL OY V eseud lt 1no NIH A A H V N Md ELO GA qodqs OO0zL 68H SL OQA Ni 1 v W Md D ASI Ox O L 8 u jaooHold51s S i SU 99691 ON 00L 90 SvlyN LELA UOL za TI 14 0 EG EED TED LE sng A eet 13 49 DocID026975 Rev 1 UM1823 Board description Figure 7 STEVAL IHM023V3 schematic part 5
24. LY VAN Y L Asti A ju 001 aou erT eru LWE L2HEZW ZA jun vi T roe I I Of du E T T 91M duzz oot 001 E Tu 001 k 675 604 873 zz IT 8 V ada ua lt ope ador en OL IL p gt obi pp reg N 042 ULIWELOHEZW pO AT T ji B ado JLN c OX0L ZZY vl TT 8f ado 8 6 ZN DN DL 697 Y zz v89 ULWELOHEZIW ZN oor JN du 001 Die qun Oculi 618 FC 3 TT z eu 19po uj u gt seud wl M OILY ONG 2 BR aud wl b LLLA BLWYIOHEZW AS EE A Dun Z H iwaw Josuas oyde L v aseyd wD gt o 9 I voe DT e 48 tH V H YM Ka Or vun 9LLY HIWrLID3HPZW Di gun vsseud WE o mp Auen oily Lv o zr eD rr 42 LLLY OLLY 6014 OZ v oyl ZM Silly HIWvLOHUZW vin ODIU ppA lt DocID026975 Rev 1 10 49 Board description UM1823 Figure 4 STEVAL IHM023V3 schematic part 2 0SZ0INV aN ASe juooL O N 40 oor QNS8LOSSAZa A EI x 6a VOOTIHLIS W F 8a 610 BLO ASit lt AAA E AED un zZ zl Ja os IER au oor 4i TON 19 91 ki VOOTIHLIS W E T Aget lt PAS 9a 8 08t dri ee au Occ TS i SLO ON Hu Zp _ EZZLOS H1 ESZLLEQT Ln FO E19 Feld S ow ppA EL
25. OI0Z L i Re OLY 6H a vm O LS 8H Ke L LM b 1Je ul A EE JeyoAuoo yong um ovv Jodi G19L9dlA EN Hz H n Jejqnop eB8e1JoA A S PLA T k ju OL n OMSZ 69 Z4 L A osz an 089 O 00L OZL SH SL 94 ZA du At eBeyo sn t 90 T 8 go INdNI yanay dia an N E Ox OLY T OM 004 1 GL L za YU EH M HASN Hd 019 W PPA PN r ox ozy 4 0978 og sles SOU dr LHA dWAL v S2 9 ir ZH S lH LO La g eei v fejei sngt lt 4 A eBeyo snq 20 eBpuq ym ped yndu 11 49 DocID026975 Rev 1 UM1823 Board description Figure 5 STEVAL IHM023V3 schematic part 3 vOSLONV JeJN Wuel PE 4JOJDBUUOD 1070 eseud w eseud 9 now A te LEE S Sseud n I yeiq exemyos OD ppA 3 94 PPA 9M a HE JPA N Md Ages te 010 PPA lt o Lo B V sngt r euejeduiej jed gt D Sc kI M E A eps ssed q 91N e 8 29 eseud lt c LLZ 9 u uno SM t oz 6L qjueund L g eseud lt 8L ZL V 1lu un5 _ B eBeyo sng 2l Hak ANM Y eseud lt a an HO WMd T8 WMd m H 8 WMd A TV IWNMd 3 HN WMd Y L lt yo dao pyeoq 1ejuBnep 4439 4 et dors Wa 1Jo 9 uuoo2 J0 O N A DA I S VA OL vla H SrLENL an Zd EI aog 3 VLTOA H IH d sq ELIN SC ZI L 0b SON LO K ER ju 001 c 20 00L l 0s LSd1s H2 wo Hi sng F lt 1 PAN M 9 8 Aee lt L EOY AGI ino NI PL E L AjddneNT ANO A S
26. The tachometer and Hall encoder inputs asaa aaa aaa anaa 23 2 3 8 Temperature feedback and overtemperature protection 23 3 Hardware setting of the STEVAL IHMO23V3 24 3 1 Hardware settings for six step block commutation control of BLDC MOTOTS AA Keer ee bis AC RRR pukuk eee ex 24 3 2 Hardware settings for Field Oriented Control FOC in single shunt topology current reading configuration 26 3 3 Hardware settings for FOC in three shunt configuration 27 4 Description of jumpers test pins and connectors 30 5 Connector placement 33 2 49 DoclD026975 Rev 1 Ly UM1823 Contents 6 Bill of materal eege saca aaisan usq Ce ee Kr aa 02 0 e CR W am de K K 34 7 PCB layout v 0 aR d a eue xat wenden hese wS qe WN SUN N NR N en 40 8 Ordering information 44 9 Using STEVAL IHM023V3 with STM32 PMSM FOC SDK 44 9 1 Environmental considerations 44 9 2 Hardware requirements 45 9 3 Software requirements 45 94 STM32 FOC firmware library customization 45 10 jd EE 47 11 Referentes IIIA 47 12 Revision history a CN 48 ky DoclD026975 Rev 1 3 49 List of figures UM1823 List of figures Fi
27. amplifiable without distortion is 6 5 A Please observe that the user can modify the max current value by changing the values of the shunt resistors DocID026975 Rev 1 Ly UM1823 Board description Figure 12 Three shunt configuration 3 3 V R3 R52 R78 R97 A R53 R75 R99 a n 4 1 4 e LI R2 R54 R76 R100 OPouT 7 SCH m Shunt resistor L6390 LoS R R46 R66 R92 r R48 R72 R94 9 1 GND NA AM00474 For previously mentioned FOC configurations it is necessary to set the proper gain by applying the W10 jumper and by applying the W11 jumper to the dash marked position Six step block commutation current reading configuration In case of six step also called block commutation current control only two of the motor phases conduct current at the same time Therefore it is possible to use only one shunt resistor placed on the DC link to measure the motor phase current Moreover as the current is always flowing on the shunt resistor in the same direction only positive current must be measured and in this case the amplifying network needs to be properly designed The details of single shunt current sensing reading configuration are shown in Figure 13 In this configuration the current sampling is done only when the value on the shunt resistor is positive The only positive value read on the shunt resistor allows the setting of a higher gain
28. and download the STM32 FOC firmware library a toolchain must be installed 9 4 STM32 FOC firmware library customization The ST motor control workbench can be used to customize the STM32 FOC firmware library The required parameters for the power stage related to the STEVAL IHM023V3 are reported in Table 12 Table 12 STEVAL IHM023V3 motor control workbench parameters Variable Value Rated bus voltage information 18 or 60 according to W3 position respectively Min rated voltage V for lt 35 V and HIGH VOLTAGE positions 32 or 450 according to W3 position respectively Max rated voltage V for lt 35 V and HIGH VOLTAGE positions Nominal voltage V Depends on W3 position and application nominal bus voltage Bus voltage sensing Available Bus voltage divider 1 136 Available if W5 is set to R_BRAKE position not Dissipative brake available otherwise Polarity Active high Driving signals Phases U V W high side polarity Active high DocID026975 Rev 1 45 49 Using STEVAL IHM023V3 with STM32 PMSM FOC SDK UM1823 46 49 Table 12 STEVAL IHM023V3 motor control workbench parameters continued Variable Value Phases U V W low side polarity Active low Temperature sensing Available V0 mV 875 TO C 25 AV AT mV C 28 Max working temperature on sensor C 70 Overcurrent protection Available Comparator thr
29. ckage class Manufacturer part number 1 Jus TS3431 voltage reference SOT2S STMicroelectronics 1 U10 L78M05G Linear regulator 5 V DPAK STMicroelectronics 1 U11 M74HC14 Hex Schmitt inverter SOP STMicroelectronics 3 TP1 TP2 TP3 N C 18 TP4 TP24 PCB terminal Test pin 1mm 1 fut Connector Ap Connector RM 5 mm 4 pole PHOENIX CONTACT male horizontal 1 Connector 4p Connector RM 5 mm 4 pole PHOENIX CONTACT female parallel 1 J Connectorap Connector RM 5 mm 3 pole PHOENIX CONTACT male horizontal 1 Connector 3p Connector RM 5 mm 3 pole PHOENIX CONTACT female parallel 1 98 Con 5 mm ap Connector RM 5 mm 2 buoENp CONTACT pole screw 1 J4 Connector DP Autocom HE14 5 pin Stelvio Kontek 1 J5 MLW34G MLW connector 34 pin Tyco Electronics 1 J6 Con 5 mm ap Connector RM 5 mm 2 GEN CONTACT pole screw Con 2 54 mm Pins RM 2 54 mm female 1 J7 12 pin 12 pin 1 J8 Con 5mm ap Connector RMS mm 2 pR CONTACT pole screw 1 Wi Jumper 2 54 Three pins of break Way jumper in position 3 3 V 1 W10 Jumper 2 54 Two pins of break way jumper 1 W11 Jumper 2 54 Three pins of break way jumper in position 3 3 V Three way HV selector 3 W13 Mounting hole default three shunt position insulated iumper HV insulated jumper 5 08 1 Jump mm default three shunt blue YA position 3 W3 Mounting hole Three way HV selector insulated jumper HV insulated jumper 5 08 1 Dus Per mm default HIGH VOLTAGE position
30. creen top side N aNg n 1 3d 3d ng I D27 Sed D KK mal B ONINHUM V r TM AT S K AST INS A IND DECH BEMF Daughter barad m PA er BC vzai i e 1 ITFH73apG3u3 D 3el o L1 EAEZOWHI 1VA31S EES En zn Sidi Zzdl HA SR LU pum 2 91d c s L AINO 350dHnid NDI LYN 19A3 Is 4043 09909 DN 20 o B tdl Edl OTldl 9dl dl Tidi Bdl 6931 ZdL 5 EI ET DJ ET ET E I H D U mal OTM HW H ND o ae 108 HSIH ir ve 1i BNINHOM 2 2 T u a N L Z0T4 d G gen 894 y Cen 8 12H J SCH O O NENNEN s unuss 3unusr M E SE qunygt Su GP Ofr lo COSB 9004 yurs 3ePaH 41 49 DoclD026975 Rev 1 UM1823 PCB layout Figure 17 Silk screen bottom side
31. designed for evaluation purposes only and is not to be used for electrical installation or machinery The technical data as well as information concerning the power supply conditions should be taken from the documentation and strictly observed 1 3 3 evaluation board installation The installation and cooling of the evaluation kit boards must be in accordance with the specifications and the targeted application e The motor drive converters are protected against excessive strain In particular no components are to be bent or isolating distances altered during the course of transportation or handling e No contact must be made with other electronic components and contacts e The boards contain electro statically sensitive components that are prone to damage through improper use Electrical components must not be mechanically damaged or destroyed Ly DoclD026975 Rev 1 7 49 System introduction UM1823 1 3 4 1 3 5 8 49 Electrical connections Applicable national accident prevention rules must be followed when working on the main power supply with a motor drive The electrical installation must be completed in accordance with the appropriate requirements evaluation board operation A system architecture which supplies power to the evaluation board should be equipped with additional control and protective devices in accordance with the applicable safety requirements e g compliance with technical equipment and accident preve
32. drive the three phase power stage e The motor is connected to the J2 motor output connector e f using an encoder or Hall sensor connection it is connected to connector J4 e f using a tachometer connection it is connected to connector J8 s f using the brake control feature connect a dissipative power load to J6 connector Table 2 below shows the jumper settings for any BLDC high voltage motors in six step block commutation control Please confirm that the evaluation board input voltage is in the range of 125 VDC to 400 VDC or 90 VAC to 285 VAC If the voltage doubler is applied the input voltage must be in the range of 65 VAC to 145 VAC Table 2 Jumper settings for high voltage BLDC motor in six step control Jumper Settings for any HV motor in six step control 3 3 V position for VDD 3 3 V i 5 V position for VDD 5 V W3 HIGH VOLTAGE position Present for Hall sensor or encoder Np Not present for connected tachometer R BRAKE position for software handling of resistive brake if any n OCP OFF position for software handling of overcurrent protection disabling W6 Present for supplying stage from IHMO23V2 max 50 mA Present for connected tachometer n Not present for connected Hall sensor or encoder W9 Single shunt W10 Not present W11 Not marked position W13 Single shunt q DocID026975 Rev 1 UM1823 Hardware setting of the STEVAL IHM023V3 Table
33. eshold V 0 5 Overcurrent network gain V A 0 075 Expected overcurrent threshold A 6 25 Overcurrent feedback signal polarity Active low Overcurrent protection disabling network Available if W5 is set to OCP OFF position not available otherwise Overcurrent protection disabling network polarity Current sensing Active low Current reading topology Configurable Shunt resistor s value Q 0 15 Amplifying network gain 1 7 T noise ns 2000 T rise ns 2000 Power switches Min deadtime ns 800 Max switching frequency kHz 50 DoclD026975 Rev 1 q UM1823 Conclusion 10 Conclusion This document describes the 1 kW three phase motor control STEVAL IHM023V3 evaluation board as a universal fully evaluated and adaptable motor control platform 11 References L6390 datasheet VIPer16 datasheet STGP10H60DF datasheet UM0379 user manual UM0580 user manual ST r oN Ly DoclD026975 Rev 1 47 49 Revision history UM1823 12 48 49 Revision history Table 13 Document revision history Date 03 Dec 2014 Revision 1 Initial release Changes DocID026975 Rev 1 q UM1823 IMPORTANT NOTICE PLEASE READ CAREFULLY STMicroelectronics NV and its subsidiaries ST reserve the right to make changes corrections enhancements modifications and improvements to ST products and or to this document at any time without n
34. evel of input AC voltage For high voltage applications it is necessary to set W3 jumpers to position HIGH VOLTAGE the auxiliary power supply for supplying all active components on the evaluation board is implemented as a buck converter based on the U6 VIPer16L which works with fixed frequency 60 kHz The output voltage of the converter is 15 VDC voltage which is fed into the L6390 drivers as supply voltage as well as into the linear regulator L78L33ACD and L78M05ACDT The linear regulator provides 3 3 VDC and 5 VDC for supplying the operational amplifiers and other related parts placed on the evaluation board The selection of supply voltage for hardware peripherals placed on the board is done with jumper W1 In the 3 3 V position the supply voltage selected is 3 3 V and in the 5 V position it is 5 V Thanks to jumper W6 it is possible to supply the connected MCU driving board with related supply voltage In this case the maximal consumptive current of the MCU unit has not overreached 50 mA Please refer to the ST released VIPer16LD datasheet for further information on this concept For low voltage applications the step down converter must be disabled by setting the W3 jumper to position lt 35 V ONLY In this case the other linear regulator L7815 is connected directly on the bus line to provide auxiliary voltage 15 VDC Please note that the voltage range in this kind of application must be in the range 18 VDC
35. for the op amp than the one set in the three shunt reading mode The op amp is used in follower mode with the gain of the op amp set by resistor r and R Equation 5 R r r G It is possible to calculate the voltage on the output of the op amp OP OUT Vour as the sum of a bias VgiAs and a signal Vsign component equal to Equation 6 Vout VsiGN Vous DocID026975 Rev 1 21 49 Board description UM1823 22 49 R1 w 33x HT A2 pas uou X cem ds Teras t aa Di R3 R1 R2 R4 Ix H xR2 Ix H x R1 VsiGN SHUNT SHUNT x MISERE as pl pa x R1 R2 R3 R1 R2 R4 Total gain of the circuit with the resistors divider is equal to Equation 7 VsigN Vsian Vin Rshunr gt Dror with the default values this gives e Vpis 1 7 V e G 4 98 e Qror 2 53 e Maximum current amplifiable without distortion is 6 5 A Please observe that the user can modify the max current value by changing the values of the shunt resistors Figure 13 Six step current sensing configuration R4 R80 OPouT Shunt resistor L6390 R R66 R69 AM00475 For six step configurations it is necessary to set the proper gain by removing the W10 jumper and applying the W11 jumper to the not marked position DocID026975 Rev 1 Ly UM1823 Board description In Table 1 the mentioned setting of gain jumpers for all possible current reading configurati
36. gure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 Figure 10 Figure 11 Figure 12 Figure 13 Figure 14 Figure 15 Figure 16 Figure 17 Figure 18 Figure 19 4 49 STEVAL IHM023V3 evaluation board 1 Motor control system architecture 9 STEVAL IHM023V3 schematic part1 10 STEVAL IHM023V3 schematic part2 11 STEVAL IHM023V3 schematic part3 12 STEVAL IHM023V3 schematic part4 13 STEVAL IHM023V3 schematic part5 14 STEVAL IHM023V3 schematic part6 15 Power supply block diagram cee eee 17 Gate driving network 2 0 0 0 as 18 Overcurrent protection 19 Three shunt configuration UWA 21 Six step current sensing configuration llle 22 NTC placement on the heatsink 23 STEVAL IHM023V3 connectors placement eese 33 Silk screen top side 7 41 Silk screen bottom side 42 Copper tracks top aide 43 Copper tracks bottom side 43 q DocID026975 Rev 1 UM1823
37. iciency of the inverter it is possible to bypass the NTC after the startup phase The NTC bypass signal is provided from the MCU board through the J5 connector The yellow D27 LED diode is turned off when the inrush NTC is bypassed The STEVAL IHM023V3 evaluation board contains only a basic EMI filter based on X2 and Y2 capacitors The main function of this evaluation board is as a universal testing platform For this reason the EMI filter is not able to absorb EMI distortion coming from the inverter for all ranges of the applications used and the design of the filter is up to the user The EMI filter must be designed according to the motor and final target applications used The heatsink itself is connected to the earth pin in the input J1 connector If the evaluation board is used only with DC voltage it is recommended to connect the heatsink to a negative voltage potential common ground Brake function The hardware brake feature has been implemented on the STEVAL IHMO23V3 evaluation board This feature connects the external resistive load applied to the J6 connector to the bus to eliminate overvoltage generated when the motor acts as a generator Such a connected load must be able to dissipate all motor generated energy The brake feature functions automatically in the case of bus overvoltage Voltage on the bus is sensed through the voltage divider with resistors R23 R24 and R31 and compared to the voltage reference built around the Zener d
38. iode D26 The brake dummy load is switched on when voltage on the bus reaches 440 VDC and is switched off when the voltage falls below 420 VDC This voltage level has been chosen to be fully compliant with the possible use of front end PFC stage Another possibility to activate the brake dummy load is to use the external signal coming through the J5 motor connector PWM Brake signal from the connected MCU board This function is active with the jumper WB in position R BRAKE The brake threshold levels can be modified by calculating R23 R24 and R34 new values The D28 red LED diode indicates acting brake switch DoclD026975 Rev 1 17 49 Board description UM1823 2 3 4 2 3 5 18 49 Gate driving circuit The gates of the switches of the IGBT used are controlled by the L6390D drivers Please refer to the L6390 datasheet for a detailed analysis of the driver parameters Figure 10 shows the correct driving of the IGBT As can be seen the charging current for the IGBT is different compared to the discharging current due to the diode used The configuration used provides the best trade off between efficiency and EMI distortion Thanks to the high performance L6390 driver the deadtime insertion between the HVG and LVG outputs is hardware guaranteed In this case considering the value of the deadtime resistors used to be 47 kQ the DT of about 600 ns is applied on the outputs in case e The deadtime is not present on HIN and LIN i
39. n board poses several inherent hazards including bare wires moving or rotating parts and hot surfaces There is a danger of serious personal injury and damage to property if the kit or components are improperly used or installed incorrectly The kit is not electrically isolated from the AC DC input The evaluation board is directly linked to the mains voltage No insulation has been placed between the accessible parts and the high voltage All measurement equipment must be isolated from the mains before powering the board When using an oscilloscope with the evaluation board it must be isolated from the AC line This prevents a shock from occurring as a result of touching any single point in the circuit but does NOT prevent shocks when touching two or more points in the circuit Do not touch the evaluation board after disconnection from the voltage supply as several parts and power terminals which contain energized capacitors need to be allowed to discharge All operations involving transportation installation and use as well as maintenance are to be carried out by skilled technical personnel national accident prevention rules must be observed For the purpose of these basic safety instructions skilled technical personnel are suitably qualified people who are familiar with the installation use and maintenance of powered electronic systems 1 3 2 evaluation board intended use The STEVAL IHM023V3 evaluation board is a component
40. nputs signals e The deadtime present on HIN and LIN inputs is less than hardware set DT On the contrary the hardware set deadtime is not the sum of the deadtime present on the outputs between LVG and HVG if the deadtime present on the HIN and LIN inputs signals is higher than the hardware set deadtime Figure 10 Gate driving network RM 100 D14 2 Q7 F R45 1200 1N4148 Ge STGP10H60DF m 3 AMO00472a Overcurrent protection Hardware overcurrent protection OCP is implemented on the board This feature takes full advantage of the L6390 driver where an internal comparator is implemented Thanks to the internal connection between the comparator output and shutdown block the intervention time of the overcurrent protection is extremely low ranging slightly above 200 ns Please see Figure 11 below for details of the OCP Considering that the overcurrent protection acts as soon as the voltage on the CP pin of the L6390 rises above approximately equal to 0 53 V and considering the default value of the shunt resistor it follows that the default value for the maximum allowed current is equal to Equation 1 _ Vor x 1 F SHUNT MAX R R with the default values this gives IsHUNT Max 7 A DoclD026975 Rev 1 Ly UM1823 Board description 2 3 6 Figure 11 Overcurrent protection R3 R49 R73 R96 R1 R47 R67 R95 Shunt R2 50 R70 R93 alai L6390
41. nt FOC control Jumper Jumper settings for FOC of HV PMSM BLDC or AC IM in single shunt configuration for current reading W1 8 3 V position for Vpp 3 3 V 5 V position for Vpp 5 V W3 HIGH VOLTAGE position W4 Present for Hall sensor or encoder Not present for connected tachometer W5 R_BRAKE position for software handling of resistive brake if any OCP OFF position for software handling of overcurrent protection disabling W6 Present for supplying control stage from IHMO23v2 connector with Vpp max 50 mA W7 Present for connected tachometer Not present for connected Hall sensor or encoder W9 Single shunt W10 Present W11 Dash mark position W13 Single shunt W14 Not present wie Dash marked position for supplying of Hall encoder with Vpp Not marked position for supplying of Hall encoder with 5 V q DocID026975 Rev 1 UM1823 Hardware setting of the STEVAL IHM023V3 Table 5 shows jumper settings for a low voltage BLDC motor in single phase FOC current control Please confirm that the input voltage mains voltage of the evaluation board in this case is in the range of 18 VDC to 35 VDC If it is necessary to supply the motor with a voltage lower than 18 VDC please remove the W3 jumper and connect the auxiliary voltage to the J3 connector In this configuration it may be necessary to modify R2 R4 and R7 resis
42. ntion rules q DocID026975 Rev 1 UM1823 Board description 2 2 1 Board description System architecture A generic motor control system can be basically schematized as the arrangement of four main blocks see Figure 2 below e Acontrolblock its main task is to accept user commands and motor drive configuration parameters and to provide all digital signals to implement the proper motor driving strategy An ST evaluation board based on the STM32 microcontroller can be used as a control block thanks to the motor control connector e A power block makes a power conversion from the DC bus transferring to the motor by means of a three phase inverter topology The power block is based on high voltage high and low side drivers L6390 and power switches STGP10H60DF in TO 220 packages e The motor itself the STEVAL IHM023V3 evaluation board is able to properly drive any PMSM but the FOC itself is conceived for sinusoidal shaped BEMF The evaluation board is also suitable for driving any three or two phase asynchronous motor or low voltage BLDC motors e Power supply block able to work from 90 VAC to 285 VAC or from 125 VDC to 400 VDC With reconfiguration of the power stage with jumpers the board can also be used for low voltage applications from 18 VDC to 35 VDC By supplying the electronic parts on the board through an external 15 V connector the board can be used for a wide voltage range up to 400 VDC Plea
43. ons is shown Table 1 Current reading configuration Gain configuration Jumper Six step current reading FOC current reading W10 Not present Present W11 Not marked position position 2 3 7 The tachometer and Hall encoder inputs Both the tachometer and Hall encoder inputs have been implemented on the board In the case of using a Hall or encoder sensor the W4 jumper must be connected and the W7 jumper disconnected The W16 jumper set to dash marked position allows to supply any connected Hall sensor with 5 VDC supply voltage Setting the W16 jumper to not marked position supplies the Hall sensor with the same supply voltage as other hardware peripherals 3 3 VDC or 5 VDC depend on the W1 jumper The U11 Hex Schmitt inverter is used as the voltage level shifter for the connected Hall sensor In the case of using a tachometer the W4 jumper must be disconnected and the W7 jumper connected This feature allows to test and evaluate a wide spectrum of various motors 2 3 8 Temperature feedback and overtemperature protection Hardware overtemperature protection is implemented on the STEVAL IHMO23V3 evaluation board This feature fully protects the switches against damage when temperature on the junction of the switches overruns a defined value The temperature is sensed with an NTC resistor placed on the heatsink The measured signal is fed through the J5 motor connector to the MCU control unit and can be read
44. otice Purchasers should obtain the latest relevant information on ST products before placing orders ST products are sold pursuant to ST s terms and conditions of sale in place at the time of order acknowledgement Purchasers are solely responsible for the choice selection and use of ST products and ST assumes no liability for application assistance or the design of Purchasers products No license express or implied to any intellectual property right is granted by ST herein Resale of ST products with provisions different from the information set forth herein shall void any warranty granted by ST for such product ST and the ST logo are trademarks of ST All other product or service names are the property of their respective owners Information in this document supersedes and replaces information previously supplied in any prior versions of this document 2014 STMicroelectronics All rights reserved q DocID026975 Rev 1 49 49
45. se refer to Section 3 for detailed settings of the jumpers according to the required application Figure 2 Motor control system architecture Control block Power supply Power block Referring to the above motor control system architecture the STEVAL IHMO23V3 includes the power supply and the power block hardware blocks AMO00470V1 DoclD026975 Rev 1 9 49 UM1823 Board description The board schematic 2 2 Figure 3 STEVAL IHM023V3 schematic part 1 Jopo2us eH Z0S 0WV 440 abe o 9 1610 eue jos 110 abex oA ZN 013002 exeug 1 E 4d es Ox 001 OOL e loxzz du zr eg Lv828 Huez s gull 99 d 9018 O 022 LH DJ L vio gu Ll L eu o angna N EK eg SJ 10 TID O mao D A UA OF EEY 814 m zz ON OZZ SOLY yeg y RER R Ag Labs XZ8 Z N U 09S ON OLY ON OLY ON 89 Y Sca z rer A1 s zu Y ZH zu VOLU QOTZHLLS 29 5 IZlH 0 Y SCH O 0cc 9r N oz Lv828 810 Id C ee V Y sng SI ASLI 041002 e e1g ASL A 18r8XZ 8 67d 8 d Pe da x L sngt 8zd ER Image Oz
46. st pins and Connectors UM1823 4 Description of jumpers test pins and connectors The following tables give a detailed description of the jumpers test pins and the pinout of the connectors used Table 8 Jumpers description Jumper Selection Description 3 3 V position Vpp 3 3 V W1 5 V position Vpp 5 V lt 35 V ONLY _ Linear regulator supplied from DC bus input supply voltage lt 35 VDC WA HIGH VOLTAGE Buck converter supplied from bus Present Hall sensor or encoder connected ib Not present Tachometer connected R BRAKE Software brake feature applied SE OCP OFF OCP disabled Present Supplying of MCU control board through J5 motor connector with Vpp ue Not present Separated voltage of MCU control board Present Tachometer connected ual Not present Hall sensor or encoder connected Single shunt Any single shunt configuration Ce Three shunt Any three shunt configuration Present Gain for any FOC W10 Not present Gain for six step control Dash position Gain for any FOC G Free position Gain for six step control Single shunt Any single shunt configuration Ken Three shunt Any three shunt configuration Present Voltage doubler applied Viy max 145 VAC WA Not present Standard single phase range Dash position Hall encoder supplied by Vpp ds Free position Hall encoder supplied by 5 V 30 49 q DocID026975 Rev 1 UM
47. tions up to 35 VDC This document is associated with the release of the STEVAL IHMO23V3 evaluation board Figure 1 STEVAL IHMO23V3 evaluation board December 2014 DoclD026975 Rev 1 1 49 www st com Contents UM1823 Contents 1 System introduction 6 1 1 Main characteristics 6 1 2 Target applications 6 13 Safety and operating instructions 7 1 3 1 General terms is erac rx ace Y CR EUR eet Y AUR Tee UR e AC R A 7 1 3 2 evaluation board intended use 7 1 3 3 evaluation board installation 7 1 3 4 Electrical connections 8 1 3 5 evaluation board operation 8 2 Board description 9 2 1 System architecture 9 2 2 The board schematic 10 23 Cireut d scripliOl ssa xk wed SERERE en REO DEGREE T Y E Add 16 2 3 1 Power SUDDly xus Exe ede ix aec Pb Rok acte e Rob a we 16 2 3 2 Inr sh limitation ue orem RR Xn wee Ree 17 2 3 3 Brake function os ENN eee a ADU u qas Reden Ro x C RO A 17 2 3 4 Gate driving circuit 18 2 3 5 Overcurrent protection 18 2 3 6 Current sensing amplifying network 19 2 3 7
48. to 35 VDC For low voltage DC motor applications which require a voltage lower than 18 VDC a dual supply mode can be used Voltage on the input connector is normally linked through power switches to the motor and an external auxiliary voltage is fed through the J3 connector from an external power source The voltage of the external power supply used must be in the range 14 8 V to 15 5 V with maximal consumption current 0 5 A The information regarding the value of the supply bus voltage on the main filtering capacitors is sensed with the voltage divider built around R2 R4 and R7 and is fed into the dedicated control unit through the J5 connector The proper voltage partitioning for applied resistors values is 0 0075 The presence of 15 VDC on the board is indicated with green LED D7 For a better understanding of the concept Figure 9 describes the power supply in a block diagram DoclD026975 Rev 1 Ly UM1823 Board description 2 3 2 2 3 3 Figure 9 Power supply block diagram 15 5 DC BUS o VDC VDC MAX 450 VDC BUS VDC Linear regulator Linear regulator L7815 L78M05 Bridge Buck converter Linear regulator rectifier VIPer16LD LD1117S 33 Voltage doubler AMO07508 Inrush limitation The input stage of the evaluation board is provided with the 10 Q NTC resistor to eliminate input inrush current peak during charging of the bulk capacitors To achieve a higher eff
49. tors according to applied supply voltage Table 5 Jumper settings for low voltage BLDC motor in single shunt FOC control Jumper Settings for any LV BLDC motor in single shunt FOC control W1 3 3 V position for Vpp 3 3 V 5 V position for Vpp 5 V W3 35 V ONLY position WA Present for Hall sensor or encoder Not present for connected tachometer W5 R BRAKE position for software handling of resistive brake if any OCP OFF position for software handling of overcurrent protection disabling W6 s for supplying control stage from IHMO23v2 connector with Vpp max 50 W7 Present for connected tachometer Not present for connected Hall sensor or encoder W9 Single shunt W10 Present W11 Dash mark position W13 Single shunt W14 Not present W16 Dash marked position for supplying of Hall encoder with Vpp Not marked position for supplying of Hall encoder with 5 V 3 3 Hardware settings for FOC in three shunt configuration To drive any motor the user must ensure that e The motor control evaluation board is driven by a control board that provides the six outputs signals required to drive the three phase power stage e The motor is connected to the J4 motor output connector e f using an encoder or Hall sensor connection it is connected to connector J5 e f using a tachometer connection it is connected to connector J6 e f using the brake control feature connect a dissipative power load to J7 connector DoclD026975 Rev 1 27 49
50. with an A D converter The signal is also fed to comparator U8 where it is compared with a 2 5 V reference voltage which is built around the U9 precision reference TI431 The output signal of the comparator U8 is fed to the SD pin of the L6390D drivers to stop the commutation of the connected motor With the value of the NTC resistor used equal to 10 kQ and resistor R44 equal to 3 6 KO the shutdown temperature is around 70 C Figure 14 NTC placement on the heatsink Ly DoclD026975 Rev 1 23 49 Hardware setting of the STEVAL IHM023V3 UM1823 3 3 1 24 49 Hardware setting of the STEVAL IHM023V3 The STEVAL IHM023V3 evaluation board can be driven through the J5 motor control connector by various MCU control units released by STMicroelectronics which feature a unified 34 pin motor connector The evaluation board is suitable for both field oriented and scalar controls In particular it can handle output signal conditioning for different types of speed and or position feedback sensors such as tachometer Hall sensors and quadrature encoders and different current sensing topologies single shunt resistor placed on DC bus or three shunt resistors placed in the three inverter legs Hardware settings for six step block commutation control of BLDC motors To drive any motor the user must ensure that e The motor control evaluation board is driven by a control board that provides the six output signals required to
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