New STMicroelectronics Demonstration Board Helps Advanced Industrial and Consumer Electronics Manufacturers Accelerate Dual-Motor Design-EEWORLD

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Highly integrated motor controller STSPIN32G4 relies on the STM32 ecosystem to accelerate product development cycle

May 31, 2024, China - STMicroelectronics' EVSPIN32G4-DUAL demonstration board can control the operation of two motors with only one highly integrated motor driver STSPIN32G4, accelerating product development cycle, simplifying PCB circuit board design, and reducing material costs.

The EVSPIN32G4-DUAL circuit board can shorten the development cycle and time to market of advanced industrial equipment and consumer products such as robots, multi-axis factory automation systems, garden equipment, and power tools . The built-in Arm® Cortex®-M4 microcontroller (MCU) of the STSPIN32G4 motor controller can control two motors simultaneously and execute complex algorithms such as vector control (FOC) in real time. In addition, the MCU peripherals also support sensored or sensorless FOC algorithms, as well as advanced rotor position detection and torque control algorithms, including motor control and general-purpose timers, as well as analog devices such as operational amplifiers and comparators.

The EVSPIN32G4-DUAL demo board uses the advanced three-phase gate driver inside the STSPIN32G4 and an external STDRIVE101 gate driver to control two three-phase inverters with a maximum output voltage of up to 74V and a maximum output current of 10A. Both gate drivers have their own bootstrap circuits and safety protection features, including drain-source voltage monitoring, cross-conduction prevention, multiple thermal protection mechanisms, and undervoltage lockout protection (UVLO).

The EVSPIN32G4-DUAL also reduces design size, simplifies bill of materials, reduces costs, and speeds up product assembly on the production line by leveraging the STSPIN32G4’s built-in power management circuitry, which includes a programmable buck converter and low-dropout linear regulator for the gate driver supply VCC, as well as a low quiescent current regulator dedicated to powering the MCU during standby.

STSPIN32G4 belongs to the STM32 ecosystem . The ecosystem provides extensive and comprehensive development support for application developers, including project development startup tools, middleware packages and software examples. X-CUBE-MCSDK (Motor Control Software Development Kit) contains motor control algorithm firmware libraries such as FOC and STM32 motor control workbench. This is a very easy-to-use graphical application development tool that allows users to directly select and automatically configure EVSPIN32G4-DUAL from the menu.

Keywords：STMicroelectronics Reference address：New STMicroelectronics Demonstration Board Helps Advanced Industrial and Consumer Electronics Manufacturers Accelerate Dual-Motor Design

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