STMicroelectronics Low-Voltage STSPIN Motor Drivers
STMicroelectronics’ STSPIN32F0 is a system-in-package that reduces the number of components and design complexity for driving three-phase BLDC motors. It includes an advanced BLDC controller that integrates 3 half-bridge gate drivers for power MOSFETs or IGBTs, with bootstrap diodes and an interlock that prevents cross-conduction. It also includes a fully featured STM32 MCU with an ARM Cortex-M0 core to perform FOC, 6-step sensorless, speed control loops, and other advanced driving algorithms. The STSPIN32F0 can operate from an 8 to 45 V supply and includes a 12 V linear regulator for the gate drivers and a 3.3 V switching regulator to supply the MCU and external components if needed. It’s versatility makes it ideal for consumer and industrial motor drive applications.
- Gate drivers: Three-phase (3x half-bridge)
- 600 mA sink/source
- STM32 MCU: ARM Cortex-M0 core
- GPIOs, timers, ADC, serial interfaces
- 3.3 V Regulator: 70 mA output current
- Can be used to power external components
- Extended Temperature Range: -40°C to +125°C
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