STMicroelectronics STSPIN32F025x 250V Three-Phase Controller is an extremely integrated solution for driving three-phase applications. This integration helps designers to reduce the PCB area and overall bill-of-material. STSPIN32F025x embeds an STM32F031x6x7 MCU, which features an Arm® 32-bit Cortex®-M0 CPU and a 250V triple half-bridge gate driver. The half-bridge gate driver can drive N-channel power MOSFETs or IGBTs. A comparator featuring an advanced smartSD function is integrated, ensuring fast and effective protection against overload and overcurrent. The high-voltage bootstrap diodes are also integrated, as well as anti-cross-conduction, deadtime, and under voltage lock-out (UVLO) protection on both the lower and upper driving sections. These features prevent the power switches from operating in low-efficiency or dangerous conditions. Matched delays between low and high-side sections guarantee no cycle distortion. The integrated MCU allows performing FOC, 6-step sensorless, and other advanced driving algorithms, including the speed control loop.
Features
Three-phase gate drivers
High voltage rail up to 250V
Driver current capability
200mA/350mA source/sink current (STSPIN32F0251)
1.0A/0.85A source/sink current (STSPIN32F0252)
±50V/ns dV/dt transient immunity
9V to 20V gate driving voltage range
32-bit ARM® Cortex®-M0 core
Up to 48MHz clock frequency
4Kbyte SRAM with HW parity
32Kbyte Flash memory with option bytes used for write/readout protection
21 general-purpose I/O ports (GPIO)
6 general-purpose timers
12-bit ADC converter (up to 10 channels)
I2C, USART, and SPI interfaces
Matched propagation delay for all channels
Integrated bootstrap diodes
Comparator for fast overcurrent protection
UVLO, interlocking, and deadtime functions
Smart shutdown (smartSD) function
Standby mode for low power consumption
On-chip debug support via SWD
-40°C to +125°C extended temperature range
Applications
Battery-operated and 110VAC-supplied power and garden tools
