EVLSPIN32G4-ACT Reference Board

STMicroelectronics' EVLSPIN32G4-ACT Reference Board is a reference design for implementing next-generation smart actuators based on the STSPIN32G4 Motor Controller. The 9 mm x 9 mm VFQFPN packaged STSPIN32G4 integrates a triple high-performance half-bridge gate driver with a rich set of programmable features and a mixed signal STM32G431 microcontroller. The board is designed to drive three-phase brushless motors up to 5 A_RMS output current and 48 V supply input, delivering a total power of 250 W in a very compact form factor (62 mm x 50 mm). Monitoring is available for the power stage in case of overheating, overvoltage, and overcurrent. The sensing of motor winding currents can be selected between three-shunt or single-shunt topologies. The board is ready for FOC and 6-step control algorithms and can run in sensor-less and sensor-based modes using Hall sensors or a quadrature encoder.

Thanks to a smooth interfacing with STWIN.box development kit and a complete software and firmware ecosystem, the motor inverter is empowered by wired and wireless connectivity (RS485, UART, USB, CAN, Bluetooth® Low Energy, Wi-Fi®, and NFC), a plethora of inertial end environmental sensors (accelerometer, gyroscope, inclinometer, magnetometer, humidity, temperature, and pressure), and onboard data storage (microSD™ card). EVLSPIN32G4-ACT is perfect for cutting-edge motor control solutions such as IoT, condition monitoring, and predictive maintenance.

Features

• Power stage based on the STL60N10F7 power MOSFETs with an output current up to 5 A_RMS and protected to an overcurrent condition
• Bus voltage from 10 V to 48 V with dedicated monitoring
• STSPIN32G4, high-performance three-phase motor controller with embedded STSPIN32G431 MCU
• Triple-shunt or single-shunt differential current sensing using embedded operational amplifiers
• Inputs for speed/position feedback by digital Hall sensors or incremental quadrature encoders
• Predisposition for CAN bus
• NTC sensor for power stage temperature monitoring
• Interface with STWIN.box and external sensor boards

Required Equipment

• Windows® PC (Windows 10) to install the software package
• 1x STLINK-V3SET debugger/programmer or equivalent
• 1x 3-phase brushless DC motor with compatible voltage and current ratings
• External DC power supply with cables
• STWIN.box, STEVAL-STWINBX1, to implement a fully connected smart actuator (optional)