ST EVSPIN32G4-DUAL Manuel utilisateur
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.
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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.
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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.
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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
J6
M1 HALL connector
J14
M1 SPI connector
J11
voltage monitor
connector
J2
M1 SC protection
disabling
J15
CAN bus
connector
SW1
Reset switch
J8
SWD+UART
STSPIN32G4
connector
J10
UART
connector
U1
STSPIN32G4
J9
GPIOs
connector
J7
SWD
STPSIN32G4
connector
J13
I2C
connector
J12
M2 SPI connector
J5
M2 HALL connector
U2
STDRIVE101
J3
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
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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
J2
1 DIS Short circuit protection disabling for motor 1. Default enabled (jumper OPEN)
2 VDSMON Short circuit protection threshold voltage
J3
1 DIS Short circuit protection disabling for motor 2. Default enabled (jumper OPEN)
2 VDSMON Short circuit protection threshold voltage
J5
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
J6
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
J9
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
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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
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Connectors and test points
UM2896 - Rev 1 page 10/27
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