St Steval-spin3202 User manual

Introduction

The STEVAL-SPIN3202 three-phase brushless DC motor driver board is based on the STSPIN32F0A 3-phase controller with

integrated STM32 MCU and STD140N6F7 MOSFETs.

It implements a single shunt resistor current reading topology and provides an easy-to-use solution for the implementation of

home appliances, fans, drones, power tools, and low voltage motor driving applications.

The board is designed for sensored or sensorless vector control FOC and six-step algorithms with single shunt sensing.

Figure 1. STEVAL-SPIN3202 evaluation board

Getting started with the STEVAL-SPIN3202 evaluation board, advanced BLDC

controller with embedded STM32 MCU

UM2278

User manual

UM2278 - Rev 2 - July 2021

For further information contact your local STMicroelectronics sales office.

www.st.com

1Hardware and software requirements

Using the STEVAL-SPIN3202 evaluation board requires the following software and hardware:

• a Windows ® PC (XP, Vista 7, Windows 8, Windows 10 ) to install the software package;

• a mini-B USB cable to connect the STEVAL-SPIN3202 evaluation board to the PC;

• a firmware package based on the STM32 Motor Control SDK (X-CUBE-MCSDK-Y);

• a 3-phase brushless DC motor with compatible voltage and current ratings;

• an external DC power supply.

UM2278

Hardware and software requirements

UM2278 - Rev 2 page 2/17

2Getting started

To use the board:

1. Check the jumper position according to the target configuration (see Section 2.2.1 Six-step/FOC selection)

2. Connect the motor to J3 connector taking care of the motor phases sequence

3. Supply the board via J2 connector input 1 and 2; the DL1 (red) LED turns on

4. Connect the board to the PC through the USB cable

5. Develop your application using the STM32 Motor Control SDK X-CUBE-MCSDK-Y.

Note: The board maximum ratings are:

• power stage supply voltage (VS) from 6.7 V to 45 V;

• motor phase current up to 15 Arms.

2.1 Hardware description and configuration

Figure 2. STEVAL-SPIN3202 evaluation board: jumper and connector positions

Table 1. Hardware setting jumpers

Jumper Permitted configurations Default condition

JP1 Selection of VREG connected to V

motor OPEN

JP2 Selection motor power supply connected

to DC power supply CLOSED

JP3 Selection Hall encoder supply to USB

(1)/VDD (3) power supply 1-2 CLOSED

JP4 Selection reset of ST-LINK (U4) OPEN

JP5 Selection PA0 connected to Hall 1 OPEN

UM2278

Getting started

UM2278 - Rev 2 page 3/17

Jumper Permitted configurations Default condition

JP6 Selection PA1 connected to Hall 2 OPEN

JP7 Selection PA2 connected to Hall 3 OPEN

JP8 Selection mode 6STEP(1)/FOC (3) 1-2 CLOSED

J11 Selection mode FOC CLOSED

J12 Selection mode 6STEP OPEN

JP9 Selection PA0 connected to OUT U CLOSED

JP10 Selection PA1 connected to OUT V CLOSED

JP11 Selection PA2 connected to OUT W CLOSED

Table 2. Connectors, jumpers and test points

Name Pin Label Description

J1 1-2 J1 Motor power supply

J2 1-2 J2 Device main power supply

(VM)

J3 1-2-3 U, V, W 3-phase BLDC motor phase

connection

1-2-3 J4 Hallsensors/encoder

connector

4-5 J4 Hall sensors/encoder supply

J5 - J5 USB input ST-LINK

1 3v3 ST-LINK power supply

2 CLK SWCLK of ST-LINK

3 GND GND

4 DIO SWDIO of ST-LINK

J7 1-2 J7 UART (ST-LINK Virtual COM)

J8 1-2 J8 ST-LINK reset

J9 1-2 BOOT Boot mode

J10 1-2 RX/TX Bootloader UART connector

TP1 - VREG 12 V voltage regulator output

TP2 - GND GND

TP3 - VDD VDD

TP4 - SPEED Speed potentiometer output

TP5 - 5V USB supply voltage

TP6 - VBUS Bus voltage feedback

TP7 - OUT_U Output U

TP8 - TP8 Output op amp sense 2

TP9 - TP9 PA5 GPIO

TP10 - GND GND

TP11 - OUT_V Output V

TP12 - TP12 GPIO BEMF

TP13 - OUT_W Output W

TP14 - 3V3 3V3 ST-LINK

UM2278

Hardware description and configuration

UM2278 - Rev 2 page 4/17

Name Pin Label Description

TP15 - TP15 Output op amp sense 3

TP16 - CLK SWD_CLK

TP17 - I/O SWD_IO

2.2 Circuit description

The STEVAL-SPIN3202 evaluation board provides a complete single-shunt six-step solution consisting of an

STSPIN32F0A advanced BLDC controller with an embedded STM32 MCU and a triple half-bridge power stage

with the STD140N6F7 NMOS.

The STSPIN32F0A autonomously generates all the required supply voltages starting from the motor supply: the

internal DC/DC buck converter provides 3.3 V and the internal linear regulator provides 12 V for the gate drivers.

The current feedback signal conditioning is performed through the operational amplifiers embedded in the device

and an internal comparator performs overcurrent protection via the shunt resistor.

Two user buttons, two LEDs and a trimmer are available to implement simple user interfaces (e.g., starting/

stopping the motor and set target speed).

The STEVAL-SPIN3202 evaluation board supports the quadrature encoder and digital Hall sensors for motor

position feedback. It also provides the circuitry to sense the motor BEMF (sensorless operation).

The board includes an ST-LINK/V2 which allows the user to debug and download firmware without additional

hardware.

The board also supports sensored or sensorless field oriented control algorithm with single-shunt sensing.

2.2.1 Six-step/FOC selection

The user can select between six-step and field oriented control modes by selecting different jumpers on the

STEVAL-SPIN3202 evaluation board.

By default, the six-step mode is selected as per the following configuration:

• jumper connected on J12 open and jumper J11 closed;

• jumper connected on JP8 between pin 1 and 2 (six-step position).

The field oriented control mode is selected as follows:

• jumper connected on J12 closed and remove jumper from J11;

• jumper connected on JP8 between pin 2 and 3 (FOC position).

2.2.2 Hall/encoder motor speed sensor

The STEVAL-SPIN3202 evaluation board supports the digital Hall and quadrature encoder sensors as motor

position feedback.

The sensors can be connected to the STSPIN32F0A by closing jumpers JP5, JP6 and JP7 (open by default).

Note: When JP5, JP6 and JP7 are closed (Hall/encoder mode), JP9, JP10 and JP11should be respectively open

(BEMF sensing mode).

The Hall sensor/encoder should be connected to J4 as per the following table.

Table 3. Hall/encoder connector (J4)

Name Pin Description

Hall1/A+ 1 Hall sensor 1/encoder out A+

Hall2/B+ 2 Hall sensor 2/encoder out B+

Hall3/Z+ 3 Hall sensor 3/encoder zero feedback

VDD sensor 4 Sensor supply voltage

GND 5 Ground

A protection resistor of 1 kΩ is mounted in series with the sensor outputs.

UM2278

Circuit description

UM2278 - Rev 2 page 5/17

For sensors requiring an external pull-up, three 10 kΩ resistors are already mounted on the output lines and

connected to the VDD voltage. On the same lines, a footprint for pull-down resistors is also available.

JP3 jumper selects the power supply for the sensor supply voltage:

• jumper between pin 1 and pin 2: Hall sensors powered by VUSB (5 V)

• jumper between pin 1 and pin 2: Hall sensors powered by VDD (3.3 V)

2.2.3 Overcurrent detection and current sensing measurement

The STEVAL-SPIN3202 evaluation board implements overcurrent protection based on the STSPIN32F0A

integrated OC comparator.

The shunt resistor measures the load current. R26 and R27 resistors bring the voltage signal to the OC_COMP

pin. When the peak current flowing though the shunt exceeds the selected threshold, the integrated comparator is

triggered and all the high side power switches are disabled.

The current threshold of the STEVAL-SPIN3202 varies according to the STSPIN32F0A OC threshold as listed in

the following table.

Table 4. Overcurrent thresholds

PF6 PF7 Internal comp. threshold OC threshold

0 1 100 mV 20 A

1 0 250 mV 65 A

1 1 500 mV 140 A

2.2.4 Bus voltage sensing circuit

The STEVAL-SPIN3202 evaluation board provides the bus voltage sensing. This signal is set through a voltage

divider by the motor supply voltage (VBUS, R10 and R16) and sent to the PB1 GPIO (the ADC channel 9) of the

embedded MCU. The signal is also available on TP6.

2.2.5 Hardware user interface

The board provides the following hardware user interface:

• potentiometer (R6 setting, for example, the target speed)

• switch SW1 (to reset STSPIN32F0A MCU and ST-LINK/V2)

• switch SW2 (user button 1)

• Switch SW3 (user button 2)

• LED DL3 (user LED 1, turned on when the user 1 button is pressed too)

• LED DL4 (user LED 2, turned on when the user 2 button is pressed too)

2.2.6 Debug

The STEVAL-SPIN3202 evaluation board embeds an ST-LINK/V2 debugger/programmer.

The ST-LINK/V2 features:

• USB software re-enumeration

• virtual com port interface on USB connected to the STSPIN32F0A (UART1) PB6/PB7 pins

• mass storage interface on USB

The ST-LINK/V2 is supplied by the host PC through the USB cable connected to the board.

UM2278

Circuit description

UM2278 - Rev 2 page 6/17

LD1 LED signals ST-LINK/V2 communication status:

• Red LED flashing slowly: at power-on before USB initialization

• Red LED flashing quickly: following the first successful communication between the PC and ST-LINK/V2

(enumeration)

• Red LED ON: the initialization between the PC and ST-LINK/V2 is complete

• Green LED ON: successful target communication initialization

• Red/green LED flashing: during communication with target

• Green ON: communication successfully completed

The reset function is activated by removing J8 jumper.

UM2278

Circuit description

UM2278 - Rev 2 page 7/17

3Schematic diagrams

Figure 3. STEVAL-SPIN3202 schematic (1 of 4)

RESET

USER1

BOURNS

3386G-1-104LF

SPEED

VM VREG

VDD

VDD VDD

VDD

OP2P

OP2N

OP1N

OP1P

UART1_TX

OP3P

UART1_RX

OP3N

PF0

PF1

PA0

PA1

PA2

CURRENT_REF

PA4

PA5

PA3

GPIO_BEMF

PB1

OP1O

OP3O

OCCOMP

SWD_IO

SWD_CLK

PA 15

NRST

LSU

HSU

LSV

HSV

LSW

HSW

OUTU

OUTV

OUTW

NRST

PF0 PF1

PA3

OP2O

PA15

PA5

SWD_CLK

22UF

100R

C11

100NF

DL1

RED

61300211121

TP2

SW3

430483025816

4 2

C8 100NF

39K

R13

10K

120R

C7 100NF

JP1

OPEN

1 2

SW1

430483025816

4 2

C12

1NF

TP1

J10

61300211121

STSPIN32F0A

OP2P

OP2N

OP2O

PF0

PF1

VREG12

NRST

VDDA

PA0

PA1

PA2 13

PA3 14

PA4 15

PA5 16

PA6 17

PA7 18

PB1 19

TESTMODE 20

OP1O 21

OP1N 22

OP1P 23

OCCOMP 24

HSW 25

OUTW 26

VBOOTW 27

LSW 28

HSV 29

VBOOTV 31

LSV 32

OUTV 30

OUTU 34

LSU 36

HSU 33

VBOOTU 35

PA13

37 PA14

38 PA15

39 PB6

40 PB7

41 BOOT0

42 RESERVED

43 GND

44 OP3P

45 OP3N

46 OP3O

47 VDD

EPAD

TP4

C9 100NF

STPS0560Z

220NF

R14

330R

100R

L1 22uH

744 040 322 20

120R

C14

4.7NF

SW2

430483025816

DL3

YELLOW

100R

JUMPER6

TP3

C10

47UF

C13

1NF

10UF

TP9

TPSMD-1MM

3.3NF

100K

100NF

DL4

YELLOW

100NF

USER2

UM2278 - Rev 2 page 8/17

UM2278

Schematic diagrams

Figure 4. STEVAL-SPIN3202 schematic (2 of 4)

S1751-46R

R60

R27

OUTU

10R

R39

10K

R53

TP13

220NF

C39

220µF

R23

62R

10R

R17

R61

HOLE_3.2MM_6

680R

R49

R41

10R

LSV

HSU

SENSEP

C23C22

4148WS

220NF

N-MOS

R56

OUTW

TP11

OPTICAL_TARGET

220µF

VBUS

C41

JP7 OPEN

220µF

VUSB

10PF

GX_3xx

61300511121 10PF

0.02R

R42

62R

10K

R55

4148WS

JP2

N-MOS

HOLE_3.2MM_6

C16

VDD

C17

R18

62R

R58

000

PA2

4148WS

PA1

TP10

4148WS

680R

N-MOS

LSU

JUMPER1

LSW

VBUS

R57

691213510003

C24

10PF

DL2

RED

S1751-46R

R36

62R

4148WS

C40

VBUS

VDD

OPTICAL_TARGET

N-MOS

R40

62R

680R

R48

PA0

R31

10R

S1751-46R

4148WS

691213510002

TP7

62R

R32

61300311121JP3

C38

220µF

3 1

691213510002

R26

0.02R

JP5 OPEN

SENSEN

R11

R22

10R

OUTV

C25

220NF

3 2

OPTICAL_TARGET

JP6 OPEN

10R

R35

HSV

VBUS

S1751-46R

10K

R54

N-MOS

HSW

R59

HOLE_3.2MM_6

UM2278 - Rev 2 page 9/17

UM2278

Schematic diagrams

Figure 5. STEVAL-SPIN3202 schematic (3 of 4)

OC Comp

OCREF

VBUS

Feedback

6 STEP FOC

R12 5.6K 15K

Jumper 4

Jumper 3

CLOSEDOPEN

1-2 2-3

Jumper 5 OPEN

CLOSED

VBUS VDD

VDD VDD VDD

VDD

OP1O

OP1N

OP1P

OP2O

OP2N

OP2P

OP3N

OP3O

OP3P

OCCOMP

PB1

SENSEN

SENSEP

CURRENT_REF

GPIO_BEMF

PA 0 PA1 PA 2

OUTU OUTV OUTW

PA 4

SENSEP

TP12

TPSMD-1MM

BAT30KFILM

R24

2.2K

R25

2.2K

R28

2.2K C43

68PF

R15

8.2K

R20 1.2K

J12

TP8

TPSMD-1MM

JP8

61300311121

1 3

R19

15K

BAT30KFILM

D11

BAT30KFILM

JUMPER5

JP11

C44

68PF

JUMPER3

D10

BAT30KFILM

TP15

TPSMD-1MM

R16

9.31K

C21

220PF

J11

D14

BAT30KFILM

JUMPER4

TP6

TPSMD-1MM

JP9

R29

D13

BAT30KFILM

R34

18K

R44

4.7K

R21

C18

4.7NF

D12

BAT30KFILM

R33

560R

R38 18K

R10

169K

R45

10K

R47

10K

R46

10K

C42

68PF

R12 5.6K

JP10

C19

100NF

C15 100PF

R37

33K

UM2278 - Rev 2 page 10/17

UM2278

Schematic diagrams

Figure 6. STEVAL-SPIN3202 schematic (4 of 4)

D-

D+

STLINK FW LOAD

3V3_STLINK

VDD

3V3_STLINK

VUSB

3V3_STLINK

VUSB

3V3_STLINK

VDD

UART1_TX

UART1_RX

SWD_IO

SWD_CLK

NRST

R75

4.7K

TP14

S1751-46R

C29

100NF

JUMPER2

61300211121

C36

10PF

R62 100R

R71 10K

C32

10NF

R65

10K U3

LD3985M33R

GND 2

OUT 5

VIN

BYPASS

INHIBIT

R51 0R

65100516121

USB_VCC 1

USBDM 2

USBDP 3

USB_GND 5

SHELL

ID 4

SHELL

R73

100R

TP16

R63 100R

R66

36K

C37

100NF

R50 0R

C34 100NF

R30

100K

R68

2.7K

STM32F103CBT6

PB7 43

PB6 42

PB5 41

PB4/JNTRST 40

PB3/JTDO 39

PA0-WKUP

PA1

PA2

PA3

PA4

PA5

PA6

PA7

PA8

PA9

PA10

PA11

PA12

PA13

PB0 18

PB1 19

PB2/BOOT1 20

PB8 45

PB9 46

PB10 21

PB11 22

PB12 25

PB13 26

PB14 27

PB15 28

PC13-TAMPER-RTC 2

PC14-OSC32_IN 3

PC15-OSC32_OUT 4

VSS_1 23

OSCIN/PD0

NRST

OSCOUT/PD1

VSSA 8

VSS_2 35

VSS_3 47

VBAT

PA14

PA15

VDD_1

BOOT0

VDD_3

48 VDD_2

VDDA

R52 0R

C35

10PF

8MHz

C33

100NF

JP4

OPEN

1 2

NPN

2 3

R69

4.7K

C31

1UF

C27

100NF

USBLC6-2SC6

I/O1#1

GND

2VBUS 5

I/O2#4 4

I/O1#6 6

I/O2#3

R74

4.7K

R67

100R

R43 0R

C26

100NF

R72 NP

C28

100NF

TP5

S1751-46R

C20

100NF

R64

1.5K

R70 100K

TP17

61300211121

C30

1UF

RED-GREEN

LD1

K1A1

K2 A2

USB_DP

USB_DM

USB_RENUM

SWDIO

STLINK_TX

STLINK_RX

T_NRST

LED_STLINK

FM_SWCLK

USB_DM USB_RENUM

USB_DP

FM_SWDIO

T_JTCK

T_JTMS

T_NRST

UM2278 - Rev 2 page 11/17

UM2278

Schematic diagrams

4Bill of materials

Table 5. STEVAL-SPIN3202 bill of materials

Item Q.ty Ref. Part/Value Description Manufacturer Order code

1 15

C1, C5, C7,

C8, C9,

C11, C19,

C20, C26,

C27, C28,

C29, C33,

C34, C37

100nF 50V ±15% 603 Ceramic

capacitors Any Any

2 1 C2 22µF 63V ±20%

L8.3_W8.3_H9.5

Aluminium

capacitor PANASONIC EEEFK1J220P

3 4 C3, C25,

C40, C41 220nF 100V ±15% 805 Ceramic

capacitors Any Any

4 1 C4 10µF 25V ±20%

D4_H5.5

Aluminium

capacitor WURTH 865080440002

5 1 C6 3.3nF 50V ±15% 603 Ceramic

capacitor Any Any

6 1 C10 47µF 6.3V ±20% 805 Ceramic

capacitor Any Any

7 2 C12, C13 1 nF 50 V ±15% 603 Ceramic

capacitors Any Any

8 2 C14, C18 4.7nF 50V ±15% 603 Ceramic

capacitors Any Any

9 1 C15 100pF 50V ±15% 603 Ceramic

capacitor Any Any

10 2 C16, C17 220µF 63V ±20%

L13.5_W13.5_H15

Aluminium

capacitors PANASONIC EEVFK1J221Q

11 1 C21 220pF 50V ±15% 603 Ceramic

capacitor Any Any

12 5

C22, C23,

C24, C35,

C36

10pF 50V 0.1 603 Ceramic

capacitors Any Any

13 2 C30, C31 1µF 10V ±15% 603 Ceramic

capacitors Any Any

14 1 C32 10nF 50V ±15% 603 Ceramic

capacitors Any Any

15 2 C38, C39 NP 63V ±20%

D12.5_H22_P5

Aluminium

capacitors Any Any

16 3 C42, C43,

C44 68PF 50V ±15% 603 Ceramic

capacitors Any Any

17 1 DL1 RED 603 LED WURTH 150060RS75000

18 1 DL2 RED 805 LED WURTH 150080RS75000

19 2 DL3, DL4 YELLOW 603 LED WURTH 150060YS75000

20 1 D1 STPS0560Z SOD123

60 V, 0.5 A

power

Schottky

rectifier

ST STPS0560Z

UM2278

Bill of materials

UM2278 - Rev 2 page 12/17

Item Q.ty Ref. Part/Value Description Manufacturer Order code

21 7

D2, D9,

D10, D11,

D12, D13,

D14

BAT30KFILM SOD523

30 V, 300 mA

SMD general

purpose signal

Schottky diode

ST BAT30KFILM

22 6 D3, D4, D5,

D6, D7, D8 4148WS SOD323 Diodes Any Any

23 5

JP1, JP4,

JP5, JP6,

JP7

OPEN 805 Resistors Any Any

24 4 JP2, JP9,

JP10, JP11 CLOSE 805 Resistors Any Any

25 2 JP3, JP8 61300311121 Headers WURTH 61300311121

26 6

JUMPER1,

JUMPER2,

JUMPER3,

JUMPER4,

JUMPER5,

JUMPER6

BLACK Jumpers WURTH 60900213621

27 2 J1, J2 691213510002 Screws WURTH 691213510002

28 1 J3 691213510003 Screw WURTH 691213510003

29 1 J4 61300511121 Header WURTH 61300511121

30 1 J5 65100516121 USB WURTH 65100516121

31 1 J6 61300411121 Header WURTH 61300411121

32 5 J7, J8, J9,

J11, J12 61300211121 Headers WURTH 61300211121

33 1 J10 NP Header WURTH 61300211121

34 1 LD1 RED-GREEN PLCC4 LED AVAGO HSMF-A201-A00J1

35 1 L1 22µH 0.6A ±20%

L3_W3_H1.5 Inductor WURTH 744 040 322 20

36 1 M8 GX_3xx PCB Any Any

37 2 N1, N2 NETS_L1_W0.5 Copper Any Any

38 6 Q1, Q2, Q3,

Q4, Q5, Q6 N-MOS DPAK

N-channel 60

V, 0.0031 Ohm

typ., 80 A

STripFET F7

power

MOSFET in a

DPAK package

ST STD140N6F7

39 1 Q7 NPN SOT23 CMS

SEMICONDUCT

BC847BL

40 1 R1 39K 1/10W ±5% 603 Resistor Any Any

41 7

R2, R7, R8,

R62, R63,

R67, R73

100R 1/10W ±5% 603 Resistors Any Any

42 1 R3 330R 1/10W ±5% 603 Resistor Any Any

43 2 R4, R5 120R 1/10W ±5% 603 Resistors Any Any

44 1 R6 100K 1/2W 0.1

L9.5_W4.9_H9.5 Trimmer BOURNS 3386G-1-104-LF

UM2278

Bill of materials

UM2278 - Rev 2 page 13/17

Item Q.ty Ref. Part/Value Description Manufacturer Order code

45 6

R9, R14,

R43, R50,

R51, R52

0R 1/10W ±5% 603 Resistors Any Any

46 1 R10 169K 1/8W ±1% 805 Resistor Any Any

47 3 R11, R48,

R49 680R 1/8W ±5% 805 Resistors Any Any

48 1 R12 5.6K 1/10W ±5% 603 Resistor Any Any

49 9

R13, R45,

R46, R47,

R53, R54,

R55, R65,

R71

10K 1/10W ±5% 603 Resistors Any Any

50 1 R15 8.2K 1/10W ±5% 603 Resistor Any Any

51 1 R16 9.31K 1/8W ±1% 805 Resistor Any Any

52 6

R17, R22,

R31, R35,

R39, R41

10R 1/10W ±5% 603 Resistors Any Any

53 6

R18, R23,

R32, R36,

R40, R42

62R 1/10W ±5% 603 Resistors Any Any

54 1 R19 15K 1/10W ±5% 603 Resistor Any Any

55 1 R20 1.2K 1/10W ±5% 603 Resistor Any Any

56 5

R21, R59,

R60, R61,

R72

NP 603 Resistors Any Any

57 3 R24, R25,

R28 2.2K 1/10W ±5% 603 Resistors Any Any

58 2 R26, R27 0.02R 2W ±5% 2512 Resistors Any Any

59 4 R29, R56,

R57, R58 1K 1/10W ±5% 603 Resistors Any Any

60 2 R30, R70 100K 1/10W ±5% 603 Resistors Any Any

61 1 R33 560R 1/10W ±5% 603 Resistor Any Any

62 2 R34, R38 18K 1/10W ±5% 603 Resistors Any Any

63 1 R37 33K 1/10W ±5% 603 Resistor Any Any

64 4 R44, R69,

R74, R75 4.7K 1/10W ±5% 603 Resistors Any Any

65 1 R64 1.5K 1/10W ±5% 603 Resistor Any Any

66 1 R66 36K 1/10W ±5% 603 Resistor Any Any

67 1 R68 2.7K 1/10W ±5% 603 Resistor Any Any

68 3 SW1, SW2,

SW3

430483025816

L6.2_W6.2_H2.5 Switches WURTH 430483025816

69 10

TP1, TP2,

TP3, TP4,

TP5, TP7,

TP10, TP11,

TP13, TP14

S1751-46R Test points HARWIN S1751-46R

70 5

TP6, TP8,

TP9, TP12,

TP15

TPSMD-1MM Test points Any Any

71 2 TP16, TP17 NEEDLE-PAD-1.7mm Test points Any Any

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Bill of materials

UM2278 - Rev 2 page 14/17

Item Q.ty Ref. Part/Value Description Manufacturer Order code

72 1 U1 STSPIN32F0A

VFQFPN48_L7_W7_P.5

Advanced

BLDC

controller with

embedded

STM32 MCU

ST STSPIN32F0A

73 1 U2 USBLC6-2SC6

SOT23-6L

ESD protection

for high speed

USB 2.0

ST USBLC6-2SC6

74 1 U3 LD3985M33R SOT23-5

Ultra low drop-

low noise

BiCMOS

voltage

regulators low

ESR

capacitors

compatible

ST LD3985M33R

75 1 U4 STM32F103CBT6

LQFP48

Mainstream

performance

line, Arm

Cortex-M3

MCU with 128

Kbytes of

Flash memory,

72 MHz CPU,

motor control,

USB and CAN

ST STM32F103CBT6

76 1 X1 8MHz L3.2_W2.5 Quartz NDK NX3225GD 8MHz

EXS00A-CG04874

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Bill of materials

UM2278 - Rev 2 page 15/17

Revision history

Table 6. Document revision history

Date Revision Changes

26-Sep-2017 1 Initial release

21-Jul-2021 2 Updated Section 1 Hardware and software requirements and Section 2 Getting started.

Minor text changes.

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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 notice. 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. For additional information about ST trademarks, please refer to www.st.com/trademarks. 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.

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