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ST STEVAL-IPMnM1S, User Manual

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ST STEVAL-IPMnM1S User Manual Download Page 14

Table 3. 

Amplifying networks

Phase

Amplifying network

RC filter

Ra

Rb

Rc

Rd

Re

Cc

Phase A (U)

R21

R23

R20

R24

R22

C25

Phase B (V)

R26

R27

R25

R29

R43

C29

Phase C (W)

R30

R32

R28

R33

R31

C31

UM2467

Current sensing amplifying network 

UM2467

 - 

Rev 1

page 14/30

Summary of Contents for STEVAL-IPMnM1S

Page 1: ...ace circuit BUS and VCC connectors bootstrap capacitors snubber capacitor hardware short circuit protection fault event signal and temperature monitoring It is designed to work in single or three shun...

Page 2: ...by experienced power electronics professionals who understand the precautions that must be taken to ensure that no danger or risk may occur while operating this board Caution After the operation of th...

Page 3: ...op amps internal SLLIMM nano SMD op amp single or via MCU Overcurrent hardware protection IPM temperature monitoring and protection Hall sensor or encoder input MOSFETs intelligent power module SLLIM...

Page 4: ...input signals It also includes bypass capacitors for VCC and bootstrap capacitors The capacitors are located very close to the drive IC to avoid malfunction due to noise Three current sensing options...

Page 5: ...Figure 3 STEVAL IPMnM1S circuit schematic 2 of 5 UM2467 Schematic diagrams UM2467 Rev 1 page 5 30...

Page 6: ...P P P P R13 1k0 6 0p 0p R15 1k0 R 8 4 P 0 P P P 4 P P P 6 P8 nano OP nano OPOUT nano OP 4 6 8 9 0 4 6 STIPNS1M50T H IPM module D D OD OP OPOUT OP D OD1 O 6 4 boo O boo O boo P P D8 0B TP19 TP10 TP13...

Page 7: ...Figure 5 STEVAL IPMnM1S circuit schematic 4 of 5 UM2467 Schematic diagrams UM2467 Rev 1 page 7 30...

Page 8: ...M_phase_B 3 3V 5V 3 3V 5V R42 4k7 R392k4 J5 Encoder Hall 1 1 2 2 3 3 4 4 5 5 SW12 C37 10p SW15 C34 100n SW13 SW10 R40 4k7 SW9 1 2 3 R34 4k7 R41 4k7 R35 4k7 C33 100n C35 10p R372k4 SW14 R382k4 C32 100n...

Page 9: ...ng diodes and high voltage gate drivers Thanks to this integrated module the system offers power inversion in a simple and compact design that requires less PCB area and increases reliability The boar...

Page 10: ...on is normally accomplished by a high voltage fast recovery diode The SLLIMM nano SMD MOSFET based family includes a patented integrated structure that replaces the external diode with a high voltage...

Page 11: ...ut pin Conversely the SD functions as an output pin when an overcurrent or undervoltage condition is detected 5 3 2 Shunt resistor selection The value of the shunt resistor is calculated by the follow...

Page 12: ...filter network on the CIN pin is required to prevent short circuits due to the noise on the shunt resistor In this design the R15 C8 RC filter has a constant time of about 1 s 5 3 4 Single or three sh...

Page 13: ...e Shunt On board op amp 1 2 1 2 1 2 1 2 MCU op amp 2 3 2 3 2 3 1 2 The operational amplifier TSV994 used on the amplifying networks has a 20 MHz gain bandwidth from a single positive supply of 3 3 V T...

Page 14: ...rks Phase Amplifying network RC filter Ra Rb Rc Rd Re Cc Phase A U R21 R23 R20 R24 R22 C25 Phase B V R26 R27 R25 R29 R43 C29 Phase C W R30 R32 R28 R33 R31 C31 UM2467 Current sensing amplifying network...

Page 15: ...function the network is designed to keep the voltage on this pin higher than the minimum voltage required for the pull up voltage on this pin over the whole temperature range Considering Vbias 3 3 V a...

Page 16: ...arator threshold Vref R15 R11 R11 VF 0 83 V 13 Overcurrent network offset 0 Overcurrent network gain 0 1 V A Bus voltage sensing Bus voltage divider 1 125 Rated bus voltage info Min rated voltage 125...

Page 17: ...D 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 heat sink temperature 28 VDD_m 30 GND 32 GND 34 measure phase C J3 Motor connector phase A U phase B V phase C...

Page 18: ...se input power for Hall Encoder Jumper on 1 2 5 V Jumper on 2 3 3 3 V SW10 SW13 Modify phase A hall sensor network SW11 SW14 Modify phase B hall sensor network SW12 SW15 Modify phase C hall sensor net...

Page 19: ...VbootU TP20 LINU high side U control signal input TP21 Ground TP22 Ground TP23 HinU high side U control signal input TP24 Current_A_amp TP25 Current_B_amp TP26 Current_C_amp TP27 Ground UM2467 Connec...

Page 20: ...206 Kemet C1206C101J1GACTU 12 3 C25 C29 C31 330pF 1206 AVX 12065A331JAT2A 13 5 C13 C23 C32 C33 C34 100nF 1206 AVX 12065C104KAZ2A 14 5 D1 D3 D4 D5 D10 Diode BAT48J SOD323 ST BAT48J 15 1 D2 LED Red PTH...

Page 21: ...ot mounted 33 2 SW7 SW8 Solder Bridge SMD 34 2 SW5 SW6 open SMD 35 6 SW1 SW2 SW3 SW9 SW16 SW17 Jumper 2 54 PTH 3 pin RS W81136T3825RC 36 7 SW4 SW10 SW11 SW12 SW13 SW14 SW15 Jumper 2 54 PTH 2 pin RS W8...

Page 22: ...ss and even malfunction in the control and sensing stages In general these conditions were applied during the design of the board PCB traces designed as short as possible and the area of the circuit p...

Page 23: ...Figure 13 Layout bottom side UM2467 Layout of reference board UM2467 Rev 1 page 23 30...

Page 24: ...rly the PCB does not come with a heat sink In case of need place an heat sink on top of the PCB with thermal conductive foil and screws RTH is an important factor for good thermal performance and depe...

Page 25: ...t com 1 STIPNS1M50T H datasheet 2 TSV994 datasheet 3 BAT48 datasheet 4 MMSZ5250B datasheet 5 UM2380 STM32 motor control SDK v5 2 tools 6 AN4043 SLLIMM nano small low loss intelligent molded module UM2...

Page 26: ...Revision history Table 9 Document revision history Date Version Changes 17 Sep 2018 1 Initial release UM2467 UM2467 Rev 1 page 26 30...

Page 27: ...hunt resistor selection 11 5 3 3 CIN RC filter 12 5 3 4 Single or three shunt selection 12 6 Current sensing amplifying network 13 7 Temperature monitoring 15 7 1 NTC Thermistor 15 8 Firmware configur...

Page 28: ...le 3 Amplifying networks 14 Table 4 ST motor control workbench GUI parameters STEVAL IPMnM1S 16 Table 5 Connectors 17 Table 6 Jumpers 17 Table 7 Test pins 18 Table 8 STEVAL IPMnM1S bill of materials 2...

Page 29: ...c 3 of 5 6 Figure 5 STEVAL IPMnM1S circuit schematic 4 of 5 7 Figure 6 STEVAL IPMnM1S circuit schematic 5 of 5 8 Figure 7 STEVAL IPMnM1S architecture 9 Figure 8 CBOOT graph selection 10 Figure 9 One s...

Page 30: ...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 righ...

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