Features• Operative voltage from 7 to 45 V• Output current up to 1.5 Arms

• Supporting single shunt and three-shunt sensing• Standby mode• Flexible direct driving settable between 3 or 6 PWM inputs• Current limiter with adjustable reference• Overcurrent, short-circuit and interlocking protections• Thermal shutdown and undervoltage lockout• BEMF sensing circuitry• Bus voltage and PCB temperature sensing• Input connector for Hall-effect based sensors and encoder

DescriptionThe X-NUCLEO-IHM16M1 motor driver expansion board is based on the STSPIN830monolithic driver for three-phase brushless motors.

It represents an affordable, easy-to-use solution for driving brushless motors in yourSTM32 Nucleo project, implementing single and three-shunt current sensing.

The STSPIN830 embeds a PWM current limiter with adjustable threshold togetherwith a full set of protections.

The X-NUCLEO-IHM16M1 expansion board is compatible with the Arduino and STmorpho connectors, so it can be plugged to an STM32 Nucleo development boardand stacked with additional STM32 Nucleo expansion boards.

Product summary

Three-phasebrushless DCmotor driverexpansion boardbased onSTSPIN830 forSTM32 Nucleo

X-NUCLEO-IHM16M1

Three-phasebrushlessmonolithic motordriver

STSPIN830

STM32 Nucleodevelopmentboard

STM32 Nucleo

Three-phase brushless DC motor driver expansion board based on STSPIN830 for STM32 Nucleo

X-NUCLEO-IHM16M1

Data brief

DB3613 - Rev 1 - May 2018For further information contact your local STMicroelectronics sales office.

www.st.com

1 X-NUCLEO-IHM16M1 schematic diagrams

Figure 1. X-NUCLEO-IHM16M1 circuit schematic (1 of 5)

39K

5

39K

C1

19INU/INUH

20

0R

+

39K

SENSEV

14

STBY

39K

17

D1

INV

VDD

OUTW12

1

R7ENW 613003111212

SENSEW

R9

EN_FAULT

MODE18

ENV

OUTU

NC8

+C2

R5

23INW/INWH

OUTW

M5R11

3

10

C5

RED

NP OUTU

21INV/INVH

22

VDD

VREFP-MOS

INU

24ENW/INWL

STSPIN830

13

4.7NFNP

OUTV11

1K

SENSEU

7

INWR4ENV/INVL

39K

1

TOFF

SENSEV

U1

C4

2.2NF

R30

C6

330RR32NP

VS9

GN

D15

33µF 50V

R2

12K

C3

VDD

G

R8

39K

330NF

R6

VDD

33µF 50VNP

R10

SENSEU

VREF2

TOFF

EPAD

25

SNS4

ENU/INUL

STBY16

R1

S2

VS

Jumper M5 connected between J2 pin 2&3

VS

39K

EN_FAULT

10NF

1

ENU

J2

6G

ND

GN

D3

39K

R12

OUTV

Q1NX3008PBKW

D3

SENSEW

R3

VS

Figure 2. X-NUCLEO-IHM16M1 circuit schematic (2 of 5)

A+/H1B+/H2Z+/H3+5VGND

Roff

VDD

SPEED

VREF

VDD

VDD

VDD

5V

5V

VS

VS VDD

VDD

VREF

CURRENT_REF

TOFF

SPEEDH1

H2H3

VBUS NTC

TP5

1

330R

R1710K

13

2

R223K

NTC R38

X7R

R213K

R133.9K

JP31

CLOSE

2

R284.7KNP

C1210PF

D33V

1

61300511121

12345

R1810K

R14180K1%

C9220NF16V

X7R

R264.7KNP

C22220NF16VX7R

R1612K

TP2

1

S1751-46R

J3

13

2

61300311121

D23V

22K

C21100NF50VX7R

R24 330R

D43V

R203K

TP3

1

S1751-46R

M6

TP1

1

R25 330R

C1110PF

C7220NF16VX7R

Jumper M6 connected between J3 pin 1&2

S1751-46R

R23

10PFR274.7KNP

S1751-46R

C10

C8

NCP18WB473J03RB

220NF16V

MMSZ3V0T1G

TP4

GND GND VS

J1

S1751-46R

R15

MMSZ3V0T1G

R19

MMSZ3V0T1G

12K1%

X-NUCLEO-IHM16M1X-NUCLEO-IHM16M1 schematic diagrams

DB3613 - Rev 1 page 2/6

Figure 3. X-NUCLEO-IHM16M1 circuit schematic (3 of 5)

OP303_W

87654321

ESQ-119-24-G-D

25

R88

R83

R440R

246810

5V

27

C10_34

27

INV

C7_32

X7R

C10_24

C10_11

BEMF3

C10_18 F303

F302

BKIN2 (F302, F303)

CURRENT_REF

R45

GU_4xx

R75 NP

C10_14

STBY

23

C10_15

M2

CN5 NP

2426

R69

0R17

38

R33

R84

VDD

29

C7_34

0R

ENV

262830

BEMF1

PB14

NP

R40

H3

12345678

C10_16

12

24

OPTICAL_TARGET

R35

C10_18

C10_26

0R

INW

STBYREF

INUINV

VDD

5VGNDGND

bemf1bemf3

bemf2SPD

18

CN9 NP

C10_19

ESQ-119-24-G-D

BEMF2

C10_3031

0RC10_26

SSQ-108-01-F-S

H1

13

C10_15

C10_2

R77

C10_4

ENU

0R

0R

2830

3335

22

33

C10_19

C10_14

VBUS

C10_28

0R

19

EN_FAULT

C10_30

C10_13

R87

C10_27

INW

R85

SSQ-110-01-F-S

OPTICAL_TARGET

CN1013579

11

R81

R43

CN6 NP

3537

20

C7_17

PA8 - INUPA9 - INV

PA10 - INWPC1 - ADC

PC3 - ADCPC2

PB5

PC9 - GPIO

<CURRENT_REF>

C10_16

0R

C7_28

31 3234

14

R78

21

36

C10_6

R79

R31

16

0R

SSQ-106-01-F-S

13579

R36 0R

NP

37

C7_34

C7_30

34

C10_28

C7_28

18

R80

C10_31

CN7

Curr_fdbk2

13

36

0R

0R

INU

M1

1921

29

10

R82

12

38

246810

R29R86

NTC

CN8

22

C10_31

R42C10_25

0RR73

1416

32

20

R39 NP

C10_2

C7_17

OP303_V

C10_18

R41

15

R61

C10_11

17

23

Curr_fdbk1

Curr_fdbk3

C10_6

OPTICAL_TARGET

C13220NF16V

R76

SSQ-108-01-F-S

NP

R34 0R

R37

C10_15

11

C10_34

OP303_U

ENW

123456SPEED

C10_30

C10_28

C10_25

C7_32

PB0 - PhW Sense

F303PA7 - PhW Sense

PB10 - H3

PA15 - H1

F030PC6 - H1

F302

F302

F302

PB0

PB3 - H2

PB13

PB11

PB13

PB14

PB15

PA7

M4

R74

NP

C10_4

15

25

VDD

C10_18

PB13

PB14

PB15

F303 (Embedded OPAMP ONLY)

PB1 - PhV Sense

PC7 - H2 F030

PWM

DAC

F030

PB11 - PhV Sense

PA4 - DAC

PB4 - PWM

PC8 - H3

PC4

PA6

PA1 - PhU Sense

PC5

PA0

PA11 - BKIN2

F302

PB12 - BKIN

STM32F303 Embedded OPAMP

C10_13

H2

IO_BEMF

C7_30C10_27

M3

C7_34

C10_24

C10_15

987654321

PC0 - ADC

0R

0R

NP

NP

NP

NP

0R

0R

0R

0R

0R

NP

Figure 4. X-NUCLEO-IHM16M1 circuit schematic (4 of 5)

CN3

D6

1

S1751-46R

D9

D12

OUT V

CN1YELLOW

R49

10K

BEMF3

OUTU

1/4W

1

BEMF2

691311500105

BAT30KFILM

BAT30KFILMBAT30KFILM

VS

VDD

IO_BEMF

S1751-46R

R53

VS

YELLOW

TP8

10K 1/4W

2.2K

R46

3BAT30KFILM

R50

10K

2

VSGND

OUT W

OUT U

D11

805-1699

D8

S1751-46R

1

691351500002R47

1

1

J4

RS

FC681465P

1/4W

10K 1/4W

YELLOW

1/4W

TP6

691351500003

BAT30KFILM

R54

OUTW

132

OUTV

2.2K

D7

10K 1/4W

R48

3

R51

10K

D10

BEMF1

D13

2.2K

1

D5

4

CN2

TP7

2BAT30KFILM

R52

2

5

X-NUCLEO-IHM16M1X-NUCLEO-IHM16M1 schematic diagrams

DB3613 - Rev 1 page 3/6

Figure 5. X-NUCLEO-IHM16M1 circuit schematic (5 of 5)

OUT

2.2K

R65

Jumper M8 connected between J6 pin 1&2

IN+

VDD

J5

M8

680R5

IN+

C14

Jumper M7 connected between J5 pin 1&2

12

VDD

IN-6

2

2.2K

R700.33R1/2W

1206

680R

GN

D

8

U2BOP303_V

SENSEU

680PF

R60

11OPEN

TSV994R62

Vcc

4

12

11

OP303_W

R56

2.2K

1

2.2K

OUTR630.33R1/2W

2.2K

R72

VDD

2.2K

SENSEV

1

GN

D11

R58

U2C

C19

3IN+

10NF

Curr_fdbk3

2.2K

7

1206

680R

J6

OUT

VDD

TSV994

Vcc

4

Curr_fdbk2

GN

D11

2.2K

R66

M7

R570.33R1/2W

TSV994

2.2K

R64C17

U2AVc

c4

NP

C16

61300211121

R67

VDD

Curr_fdbk11314

1

IN+10

OPEN

GN

D

2.2K

R71

2IN-

R55

JP7

U2D

TSV9944Vc

c

C20

C15

SENSEW

1206

1 2

OP303_U

61300211121

JP4

OUT

IN-

2

680PF

R59

680PF

R68

VDD

VDD

C18

NP

9IN-

NP

X-NUCLEO-IHM16M1X-NUCLEO-IHM16M1 schematic diagrams

DB3613 - Rev 1 page 4/6

Revision history

Table 1. Document revision history

Date Version Changes

15-May-2018 1 Initial release.

X-NUCLEO-IHM16M1

DB3613 - Rev 1 page 5/6

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X-NUCLEO-IHM16M1

DB3613 - Rev 1 page 6/6