getting started with the steval-spin3202 evaluation board ......tp4 - speed speed potentiometer...

September 2017 DocID030941 Rev 1 1/20

www.st.com

UM2278 User manual

Getting started with the STEVAL-SPIN3202 evaluation board, advanced BLDC controller with embedded STM32 MCU

Introduction The STEVAL-SPIN3202 3-phase brushless DC motor driver board is based on the STSPIN32F0A 3-phase controller with integrated STM32 MCU.

It implements a single shunt resistor current reading topology and provides an easy-to-use solution for device evaluation in different applications such as home appliances, fans, drones and power tools.

The board is designed for the sensored or sensorless six-step algorithm and Field Oriented Control with single shunt current sensing.

Figure 1: STEVAL-SPIN3202 evaluation board

Contents UM2278

2/20 DocID030941 Rev 1

Contents

1 Hardware and software requirements ............................................ 5

2 Getting started ................................................................................. 6

2.1 Hardware description and configuration ............................................ 6

2.2 Circuit description .............................................................................. 8

2.2.1 STEP/FOC selection .......................................................................... 8

2.2.2 Hall/encoder_connector motor speed sensor .................................... 9

2.2.3 Overcurrent detection and current sensing measurement ................. 9

2.2.4 Bus voltage sensing circuit ............................................................... 10

2.2.5 Hardware user interface ................................................................... 10

2.2.6 Debug ............................................................................................... 10

2.2.7 Bill of materials ................................................................................. 11

2.2.8 Schematic diagrams ......................................................................... 15

3 Revision history ............................................................................ 19

UM2278 List of tables

DocID030941 Rev 1 3/20

List of tables

Table 1: Hardware setting jumpers ............................................................................................................. 7 Table 2: Connectors, jumpers and test points ............................................................................................ 7 Table 3: Hall/encoder connector (J4) .......................................................................................................... 9 Table 4: Overcurrent thresholds ................................................................................................................. 9 Table 5: STEVAL-SPIN3202 bill of materials ........................................................................................... 11 Table 6: Document revision history .......................................................................................................... 19

List of figures UM2278

4/20 DocID030941 Rev 1

List of figures

Figure 1: STEVAL-SPIN3202 evaluation board ......................................................................................... 1 Figure 2: STEVAL-SPIN3202 evaluation board: jumper and connector positions ..................................... 6 Figure 3: STEVAL-SPIN3202 schematic (1 of 4) ..................................................................................... 15 Figure 4: STEVAL-SPIN3202 schematic (2 of 4) ..................................................................................... 16 Figure 5: STEVAL-SPIN3202 schematic (3 of 4) ..................................................................................... 17 Figure 6: STEVAL-SPIN3202 schematic (4 of 4) ..................................................................................... 18

UM2278 Hardware and software requirements

DocID030941 Rev 1 5/20

1 Hardware 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;

the STSW-SPIN3202 firmware example or the STM32 PMSM six-step software development kit (STSW-STM32100) (both available on www.st.com);

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

an external DC power supply.

http://www.st.com/

Getting started UM2278

6/20 DocID030941 Rev 1

2 Getting started

To use the board:

1. Check the jumper position according to the target configuration (see Section 2.2.1: "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 code examples provided. The STSW-SPIN3202

firmware example also provides pre-compiled binaries that are ready-to-use.

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

UM2278 Getting started

DocID030941 Rev 1 7/20

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



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

J4 1-2-3 J4 Hallsensors/encoder connector

4-5 J4 Hall sensors/encoder supply

J5 - J5 USB input ST-LINK

J6

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


8/20 DocID030941 Rev 1

Name Pin Label Description

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

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 NMOS STD140N6F7.

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 any extra hardware.

The board also supports sensored or sensorless Field Oriented Control algorithm with single-shunt sensing.

2.2.1 STEP/FOC selection

The user can select between six-step and Field Oriented Control modes by selecting different jumpers on the 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 (6 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).


DocID030941 Rev 1 9/20

2.2.2 Hall/encoder_connector 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).

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.

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.

The jumper JP3 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. Resistors R26 and R27 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


10/20 DocID030941 Rev 1

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 the 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/V2-1 debugger/programmer.

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

The LED LD1 provides ST-LINK communication status information:

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/V2-1 (enumeration)

Red LED ON: the initialization between the PC and ST-LINK/V2-1 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 the jumper J8.


DocID030941 Rev 1 11/20

2.2.7 Bill 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

CER N.A. 100NF_50V_X7R_0603

2 1 C2 22µF 63V ±20% L8.3_W8.3_H9.5

ALU PANASONIC EEEFK1J220P

3 4 C3, C25, C40, C41

220nF 100V ±15% 805

CER N.A. 220NF_100V_X7R_0805

4 1 C4 10µF 25V ±20% D4_H5.5

ALU WURTH 865080440002

5 1 C6 3.3nF 50V ±15% 603

CER N.A. 3.3NF_50V_X7R_0603

6 1 C10 47µF 6.3V ±20% 805

CER N.A. 47UF_6.3V_X5R_0805

7 2 C12, C13 1 nF 50 V ±15% 603

CER N.A. 1NF_50V_X5R_0603

8 2 C14, C18 4.7nF 50V ±15% 603

CER N.A. 4.7NF_50V_X7R_0603

9 1 C15 100pF 50V ±15% 603

CER N.A. 100PF_50V_X5R_0603

10 2 C16, C17

220µF 63V ±20% L13.5_W13.5_H15

ALU PANASONIC EEVFK1J221Q

11 1 C21 220pF 50V ±15% 603

CER N.A. 220PF_50V_X7R_0603

12 5 C22, C23, C24, C35,

C36

10pF 50V 0.1 603

CER N.A. 10PF_50V_COG_0603

13 2 C30, C31 1µF 10V ±15% 603

CER N.A. 1UF_10V_X7R_0603

14 1 C32 10nF 50V ±15% 603

CER N.A. 10NF_50V_X7R_0603

15 2 C38, C39 NP 63V ±20% D12.5_H22_P5

ALU N.A. 220UF_63V_RADIAL_D12.5_H22_P5

16 3 C42, C43,

C44 68PF 50V ±15% 603

CER N.A. 68PF_50V_X7R_0603

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


12/20 DocID030941 Rev 1


20 1 D1 STPS0560Z SOD123

SCHOTTKY ST STPS0560Z

21 7

D2, D9, D10, D11, D12, D13,

D14

BAT30KFILM SOD523

SCHOTTKY ST BAT30KFILM

22 6 D3, D4, D5, D6, D7, D8

4148WS SOD323

DIODE N.A. 4148WS

23 5 JP1, JP4, JP5, JP6,

JP7 OPEN 805 RES N.A. TIN-DROP OPEN

24 4 JP2, JP9,

JP10, JP11 CLOSE 805 RES N.A. TIN-DROP CLOSE

25 2 JP3, JP8 61300311121 HEADER WURTH 61300311121

26 6

JUMPER1 JUMPER2 JUMPER3 JUMPER4 JUMPER5 JUMPER6

BLACK JUMPER WURTH 60900213621

27 2 J1, J2 691213510002 SCREW 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 HEADER 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 N.A. PCB GX rev3 - 2 layers

37 2 N1, N2 NETS_L1_W0.5 COPPER N.A. NETS_L1_W0.5

38 6 Q1, Q2, Q3, Q4, Q5, Q6

N-MOS DPAK CMS ST STD140N6F7

39 1 Q7 NPN SOT23 CMS ON SEMICONDUCTOR

BC847BL

40 1 R1 39K 1/10W ±5% 603

RES N.A. 39K_5%_0603


DocID030941 Rev 1 13/20


41 7

R2, R7, R8, R62,

R63, R67, R73

100R 1/10W ±5% 603

RES N.A. 100R_5%_0603

42 1 R3 330R 1/10W ±5% 603

RES N.A. 330R_5%_0603

43 2 R4, R5 120R 1/10W ±5% 603

RES N.A. 120R_5%_0603

44 1 R6 100K 1/2W 0.1 L9.5_W4.9_H9.5

TRIMMER BOURNS 3386G-1-104-LF

45 6 R9, R14,

R43, R50, R51, R52

0R 1/10W ±5% 603

RES N.A. 0R_5%_0603

46 1 R10 169K 1/8W ±1% 805

RES N.A. 169K_1%_0805

47 3 R11, R48,

R49 680R 1/8W ±5% 805

RES N.A. 680R_5%_0805

48 1 R12 5.6K 1/10W ±5% 603

RES N.A. 5.6K_5%_0603

49 9

R13, R45, R46, R47, R53, R54, R55, R65,

R71

10K 1/10W ±5% 603

RES N.A. 10K_5%_0603

50 1 R15 8.2K 1/10W ±5% 603

RES N.A. 8.2K_5%_0603

51 1 R16 9.31K 1/8W ±1% 805

RES N.A. 9.31K_1%_0805

52 6 R17, R22, R31, R35, R39, R41

10R 1/10W ±5% 603

RES N.A. 10R_5%_0603

53 6 R18, R23, R32, R36, R40, R42

62R 1/10W ±5% 603

RES N.A. 62R_5%_0603

54 1 R19 15K 1/10W ±5% 603

RES N.A. 15K_5%_0603

55 1 R20 1.2K 1/10W ±5% 603

RES N.A. 1.2K_5%_0603

56 5 R21, R59, R60, R61,

R72 NP 603 RES N.A. R_NP_0603

57 3 R24, R25,

R28 2.2K 1/10W ±5% 603

RES N.A. 2.2K_5%_0603

58 2 R26, R27 0.02R 2W ±5% 2512

RES N.A. 0R02_1%_2512

59 4 R29, R56, R57, R58

1K 1/10W ±5% 603

RES N.A. 1K_5%_0603


14/20 DocID030941 Rev 1


60 2 R30, R70 100K 1/10W ±5% 603

RES N.A. 100K_5%_0603

61 1 R33 560R 1/10W ±5% 603

RES N.A. 560R_5%_0603

62 2 R34, R38 18K 1/10W ±5% 603

RES N.A. 18K_5%_0603

63 1 R37 33K 1/10W ±5% 603

RES N.A. 33K_5%_0603

64 4 R44, R69, R74, R75

4.7K 1/10W ±5% 603

RES N.A. 4.7K_5%_0603

65 1 R64 1.5K 1/10W ±5% 603

RES N.A. 1.5K_5%_0603

66 1 R66 36K 1/10W ±5% 603

RES N.A. 36K_5%_0603

67 1 R68 2.7K 1/10W ±5% 603

RES N.A. 2.7K_5%_0603

68 3 SW1, SW2,

SW3

430483025816 L6.2_W6.2_H2.5

BUTTON WURTH 430483025816

69 10

TP1, TP2, TP3, TP4, TP5, TP7,

TP10, TP11, TP13, TP14

S1751-46R TEST POINT HARWIN S1751-46R

70 5 TP6, TP8,

TP9, TP12, TP15

TPSMD-1MM TEST POINT N.A. TPSMD-1MM

71 2 TP16, TP17

NEEDLE-PAD-1.7mm

TEST POINT N.A. NEEDLE-PAD-1.7mm

72 1 U1 STSPIN32F0A VFQFPN48_L7_W7_P.5

DRIVER ST STSPIN32F0A

73 1 U2 USBLC6-2SC6 SOT23-6L

TVS/ESD/EMI ST USBLC6-2SC6

74 1 U3 LD3985M33R SOT23-5

CONVERTER ST LD3985M33R

75 1 U4 STM32F103CBT6 LQFP48

MCU ST STM32F103CBT6

76 1 X1 8MHz L3.2_W2.5

QUARTZ NDK NX3225GD 8MHz EXS00A-CG04874


DocID030941 Rev 1 15/20

2.2.8 Schematic diagrams

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

RE

SE

T

2R

ES

U1

RE

SU

BO

UR

NS

3386G

-1-1

04LF

SP

EE

D

VM

VR

EG

VD

D

VD

D

VD

D

VD

D

VD

DV

DD

VD

D

VD

D

OP

2P

OP

2N

OP1N

OP1P

UART1_TX

OP3P

UART1_RX

OP3N

PF

0

PF

1

PA

0

PA

1

PA2

CURR ENT_REF

PA4

PA5

PA3

GPIO_BEMF

PB1

OP1O

OP3O

OCCOMPSWD_IO

SWD_CLK

PA15

NR

ST

LS

U

HS

U

LS

V

HS

V

LS

W

HS

W

OU

TU

OU

TV

OU

TW

NR

ST

PF

0P

F1

PA

3

OP

2O

PA15

PA5

SWD_CLK

+C

2

22

UF

R7

100

R

C1

1

100

NF

DL

1

RE

D

J9

6130021112

1

12

TP

2

1

SW

3

43048302581

6

13 4

2

C8

100

NF

R1

39

K

R1

3

10

K

R5

120

R

C7

100

NF

JP

1

OP

EN

12

SW

1

43048302581

6

13 4

2

C1

2

1N

F

TP

1 1

J1

0

6130021112

1

1

2

U1

ST

SP

IN32

F0

A

OP

2P

1

OP

2N

2

OP

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3

PF

04

PF

15

VR

EG

12

6

NR

ST

7

VM

8

SW

9

VD

DA

10

PA

01

1

PA

11

2

PA 213

PA 314

PA 415

PA 516

PA 617

PA 718

PB 119

TES TMODE20

OP1O21

OP1N22

OP1P23

OCC OMP24

HS

W2

5O

UT

W2

6V

BO

OT

W2

7L

SW

28

HS

V2

9

VB

OO

TV

31

LS

V3

2

OU

TV

30

OU

TU

34

LS

U3

6

HS

U3

3

VB

OO

TU

35

PA 1337 PA 1438 PA 1539 PB 640 PB 741 BOO T042 RESE RVE D43 GND44 OP3P45 OP3N46 OP3O47 VDD48

EPAD

TP

4

1

C9

100

NF

D1

ST

PS

0560

Z

C3

220

NF

R1

4

0R

R3

330

R

R8

100

R

L1

22u

H

744

040

322

20

R4

120

R

C1

4

4.7

NF

SW

2

43048302581

6

13 4

2

DL

3

YE

LL

OW

R2

100

R

JU

MP

ER

6

TP

3

1

C1

0

47

UF

C1

3

1N

F

+C

4

10

UF

TP

9

TP

SM

D-1

MM

1

C6

3.3

NF

R6

100

K

1 3

2

C1

100

NF

DL

4

YE

LL

OW

C5

100

NF


16/20 DocID030941 Rev 1


1 2 3 4 5

S1

75

1-4

6R

R6

0

NP

R2

7

OU

TU

10

R

R3

9

10

K

R5

3

1

TP

13

HO

22

0N

F

C3

9 NP

220µF

M3

1

D4

R2

3

62

R

10

R

R1

7

NP

R6

1

HO

LE

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M_

6

HO

68

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49

R4

1

10

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VM

LS

V

1

2

HS

U

SE

NS

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C2

3C

22

_6

41

48

WS

00

3

22

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F

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M

3

N2

D8

N-M

OS

1K

R5

6

2

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TW

1

TP

11

OP

TIC

AL

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RG

ET

220µF

VB

US

2

C4

1

JP

7O

PE

N

3

220µF

VU

SB

10

PF

J4

GX

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61

30

05

111

21

10

PF

M6

2

_6

0.0

2R

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R4

2

62

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2

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R5

5

D5

41

48

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M4

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1

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41

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69

12

13

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UM2278 Revision history

DocID030941 Rev 1 19/20

3 Revision history Table 6: Document revision history

Date Revision Changes

26-Sep-2017 1 Initial release

UM2278

20/20 DocID030941 Rev 1

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