ST EVSPIN32G4-DUAL Bedienungsanleitung

Introduction

The EVSPIN32G4-DUAL is a dual-motor demonstration board based on STSPIN32G4 and STDRIVE101.

The STSPIN32G4 is a system in package integrating in a 9x9 mm VFQFPN package, a triple high-performance half bridge gate

driver with a rich set of programmable features, and a mixed signal STM32G431 microcontroller. The STDRIVE101 is a triple

half-bridge gate driver in a compact 4x4 VFQFPN package featuring 600 mA current capability and embedded protections.

The two power stages based on STL110N10F7 power MOSFETs can simultaneously operate up to 10 ARMS output current and

74 V supply voltage, providing dedicated sensing for temperature and bus voltage, drain-source voltage monitoring of power

MOSFETs and overcurrent protection.

The board allows sensor-less operation with single-shunt current sensing, taking advantage of operational amplifiers in the

STSPIN32G4, as well as sensor-based control algorithms thanks to dedicated inputs for each motor, including Hall sensors,

incremental encoders and absolute encoders, via SSI communication interface.

The integrated voltage regulators generate the gate driver and control logic supplies directly from the motor supplies, without

further circuitry required.

The predisposition for CAN bus enables the EVSPIN32G4-DUAL to easily connect with master or slave modules, and build

complex motion control systems.

Getting started with the EVSPIN32G4-DUAL

UM2896

User manual

UM2896 - Rev 1 - September 2023

For further information contact your local STMicroelectronics sales office.

www.st.com

Figure 1. EVSPIN32G4-DUAL demonstration board

UM2896

UM2896 - Rev 1 page 2/27

1 Safety and operating instructions

1.1 General terms

Warning: During assembly, testing, and operation, the evaluation board poses several inherent

hazards, including bare wires, moving or rotating parts and hot surfaces.

Danger: There is danger of serious personal injury, property damage or death due to electrical shock

and burn hazards if the kit or components are improperly used or installed incorrectly.

The kit is not electrically isolated from the high-voltage supply AC/DC input. The evaluation board is directly linked

to the mains voltage. No insulation is ensured between the accessible parts and the high voltage. All measuring

equipment must be isolated from the mains before powering the board. When using an oscilloscope with the

demo, it must be isolated from the AC line. This prevents shock from occurring as a result of touching any single

point in the circuit, but does NOT prevent shock when touching two or more points in the circuit.

All operations involving transportation, installation, use, and maintenance must be performed by skilled technical

personnel able to understand and implement national accident prevention regulations. For the purposes of these

basic safety instructions, “skilled technical personnel” are suitably qualified people who are familiar with the

installation, use and maintenance of power electronic systems.

1.2 Intended use of evaluation board

The evaluation board is designed for demonstration purposes only, and must not be used for electrical

installations or machinery. Technical data and information concerning the power supply conditions are detailed in

the documentation and should be strictly observed.

1.3 Installing the evaluation board

• The installation and cooling of the evaluation board must be in accordance with the specifications and

target application.

• The motor drive converters must be protected against excessive strain. In particular, components should

not be bent or isolating distances altered during transportation or handling.

• No contact must be made with other electronic components and contacts.

• The board contains electrostatically-sensitive components that are prone to damage if used incorrectly. Do

not mechanically damage or destroy the electrical components (potential health risks).

1.4 Operating the evaluation board

To operate properly the board, follow these safety rules:

UM2896

Safety and operating instructions

UM2896 - Rev 1 page 3/27

1. Work area safety:

– The work area must be clean and tidy.

– Do not work alone when boards are energized.

– Protect against inadvertent access to the area where the board is energized using suitable barriers

and signs.

– A system architecture that supplies power to the evaluation board must be equipped with additional

control and protective devices in accordance with the applicable safety requirements (i.e.,

compliance with technical equipment and accident prevention rules).

– Use non-conductive and stable work surface.

– Use adequately insulated clamps and wires to attach measurement probes and instruments.

2. Electrical safety:

– Remove power supply from the board and electrical loads before performing any electrical

measurement.

– Proceed with the arrangement of measurement setup, wiring or configuration paying attention to high

voltage sections.

– Once the setup is complete, energize the board.

Danger: Do not touch the evaluation board when it is energized or immediately after it has

been disconnected from the voltage supply as several parts and power terminals

containing potentially energized capacitors need time to discharge.

Do not touch the boards after disconnection from the voltage supply as several parts

like heat sinks and transformers may still be very hot.

The kit is not electrically isolated from the AC/DC input. The USB interface of the

board does not insulate host computer from high voltage. When the board is supplied

at a voltage outside the ELV range, a proper insulation method such as a USB isolator

must be used to operate the board.

3. Personal safety:

– Always wear suitable personal protective equipment such as, for example, insulating gloves and

safety glasses.

– Take adequate precautions and install the board in such a way to prevent accidental touch. Use

protective shields such as, for example, insulating box with interlocks if necessary.

UM2896

Operating the evaluation board

UM2896 - Rev 1 page 4/27

2 Acronyms and definitions

Table 1. List of acronyms and definitions

Term Description

ADC Analog to Digital Converter.

CAN Controller Area Network communication standard used for data transmission among electronic control units

connected in a local network.

FOC Field Oriented Control driving algorithm for three-phase motors to control the position of the rotor magnetic

field with respect to the stator magnetic field.

Half-bridge Structure composed by one high-side and one low-side MOSFET connected (Refer to Figure 5). Each phase

of a three-phase motor is usually driven by a half-bridge structure.

MCU Microcontroller Unit

OPAMP Operational Amplifier

PGA Programmable Gain Amplifier.

PWM Pulse Width Modulation

Shunt resistor The resistor placed on the source of the low-side MOSFET to measure the current flowing in the load.

UM2896

Acronyms and definitions

UM2896 - Rev 1 page 5/27

3 Hardware and software requirements

The use of the EVSPIN32G4-DUAL evaluation board requires the following software and hardware:

• A Windows ® PC (Windows 10) to install the software package.

• One STLINK-V3SET debugger/programmer or equivalent.

• Two 3-phase brushless DC motors with compatible voltage and current ratings.

• An external DC power supply with cables to connect the evaluation board.

UM2896

Hardware and software requirements

UM2896 - Rev 1 page 6/27

4 Getting started

To use the board:

1. Connect the two motors to CON3 and CON4 connectors respecting the sequence for motor windings.

2. Connect the programmer and debugger to the board using connector J8 or alternatively J7.

3. Develop your application.

4. Supply the board via CON1 and CON2 connectors respecting polarity; LED3 and LED4 indicate the

presence of supply voltage.

5. Upload the firmware onto the STSPIN32G4 microcontroller with a dedicated tool such as

STM32CubeProgrammer

6. Run the motor.

Table 2. EVSPIN32G4-DUAL specifications

Parameter Value

Supply voltage Nominal From 10 V to 74 V

Maximum current

Peak 17 A

Continuous (1) 10 Arms

1. Maximum current at 25°C ambient temperature. Actual value may be limited by power dissipation.

UM2896

Getting started

UM2896 - Rev 1 page 7/27

5 Hardware description and configuration

Figure 2. Connectors, jumpers, LEDs, switches and test points

U V W + -

U V W

- +

TP41

Ground

TP42

Ground

CON3

M1 phases

connector

CON4

M2 phases

connector

CON2

M2 power supply

connector

CON1

M1 power supply

connector

LED4

M2 supply

LED3

M1 supply

M1 HALL connector

J14

M1 SPI connector

J11

voltage monitor

connector

M1 SC protection

disabling

J15

CAN bus

connector

SW1

Reset switch

SWD+UART

STSPIN32G4

connector

J10

UART

connector

STSPIN32G4

GPIOs

connector

SWD

STPSIN32G4

connector

J13

I2C

connector

J12

M2 SPI connector

M2 HALL connector

STDRIVE101

M2 SC protection

disabling

SW2

User switch

SW3

User switch

LED1

user led

LED2

user led

TP15

Ground

TR1

M1 Speed

trimmer

TR2

M2 Speed

trimmer

5.1 Connectors and test points

Table 3. Connectors

Name Pin Label Description

CON1

1 GND DC supply ground

2 VM DC supply voltage of motor 1

CON2

1 VM DC supply voltage of motor 2

2 GND DC supply ground

CON3

1 W Motor 1 winding 3

2 V Motor 1 winding 2

UM2896

Hardware description and configuration

UM2896 - Rev 1 page 8/27

Name Pin Label Description

CON3 3 U Motor 1 winding 1

CON4

1 W Motor 2 winding 3

2 V Motor 2 winding 2

3 U Motor 2 winding 1

1 DIS Short circuit protection disabling for motor 1. Default enabled (jumper OPEN)

2 VDSMON Short circuit protection threshold voltage

1 DIS Short circuit protection disabling for motor 2. Default enabled (jumper OPEN)

2 VDSMON Short circuit protection threshold voltage

1 M2_H1 Hall-effect sensor 1 / encoder out A+ of motor 2

2 M2_H2 Hall-effect sensor 2 / encoder out B+ of motor 2

3 M2_H3 Hall-effect sensor 3 / encoder zero feedback of motor 2

4 M2_VH Sensors supply voltage of motor 2

5 GND Sensors ground

1 M1_H1 Hall-effect sensor 1 / encoder out A+ of motor 1

2 M1_H2 Hall-effect sensor 2 / encoder out B+ of motor 1

3 M1_H3 Hall-effect sensor 3 / encoder zero feedback of motor 1

4 M1_VH Sensors supply voltage of motor 1

5 GND Sensors ground

J7 - - 20 pin SWD connector for STSPIN32G4

J8 - - 14 pin SWD and UART connector for STSPIN32G4

1 - PD2 pin of STSPIN32G4

2 - PB7 pin of STSPIN32G4

3 - PC3 pin of STSPIN32G4

4 DAC DAC output by pin PA4 of STSPIN32G4

5 GND Ground

J10

1 TX UART signal TX

2 RX UART signal RX

3 GND UART ground

J11

1 5V 5V output of LDK715M50R regulator

2 REG12 12V output of STDRIVE101 LDO regulator

3 VCC Output voltage of STSPIN32G4 Buck converter

4 VREGIN Input voltage of STSPIN32G4 LDO regulator

5 VBAT Microcontroller battery backup domain voltage

6 VDD 3.3V output of STSPIN32G4 LDO regulator

7 VDDA Microcontroller analog domain voltage

8 VREF Microcontroller analog reference voltage

9 GND Ground

J12

1 CS2 SPI CS signal for motor 2 absolute encoder

2 MISO SPI MISO signal for motor 2 absolute encoder

3 MOSI SPI MOSI signal for motor 2 absolute encoder

4 SCK SPI Clock signal for motor 2 absolute encoder

UM2896

Connectors and test points

UM2896 - Rev 1 page 9/27

Name Pin Label Description

J12 5 GND SPI Ground

J13

1 SCL I2C signal SCL

2 SDA I2C signal SDA

3 GND I2C ground

J14

1 CS1 SPI signal CS for motor 1 absolute encoder

2 MISO SPI signal MISO for motor 1 absolute encoder

3 MOSI SPI signal MOSI for motor 1 absolute encoder

4 SCK SPI signal Clock for motor 1 absolute encoder

5 GND SPI ground

J15

1 H CAN bus signal high

2 L CAN bus signal low

3 GND CAN bus ground

4 SH CAN bus shielding

Table 4. Test points

Name Description

TP1 Voltage of VDD supply

TP2 Voltage of VDDA supply

TP3 Voltage of VERF+ supply

TP4 Voltage of REG12 supply

TP5 Voltage of VCC supply

TP6 Voltage of VREGIN inputs

TP7 nFAULT pin of STDRIVE101

TP8 INH1 input of STDRIVE101

TP9 Input voltage of STDRIVE101 overcurrent comparator

TP10 INH2 input of STDRIVE101

TP11 INH3 input of STDRIVE101

TP12 INL3 input of STDRIVE101

TP13 INL2 input of STDRIVE101

TP14 INL1 input of STDRIVE101

TP15 Ground

TP16 5V supply

TP17 Ground

TP18 Voltage of Operational Amplifier 1 non-inverting input

TP19 Voltage of Operational Amplifier 1 output

TP20 Voltage of motor 1 NTC

TP21 Bus voltage of motor 1

TP22 Attenuated bus voltage of motor 1

TP23 Voltage of trimmer 1

TP24 Ground

TP25 Voltage of Operational Amplifier 1 inverting input

UM2896

Connectors and test points

UM2896 - Rev 1 page 10/27

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