STMicroelectronics' STSPIN32F025x system-in-package is an extremely integrated solution for driving three-phase applications, helping designers to reduce printed circuit board (PCB) area and overall bill of materials (BOM). It embeds an STM32F031x6x7 featuring an Arm 32-bit Cortex-M0 CPU and a 250 V triple half-bridge gate driver, able to drive N-channel power MOSFETs or IGBTs. A comparator featuring advanced smart shutdown (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 UVLO protection on both the lower and upper driving sections, which prevents 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 250 V
- Driver current capability:
- STSPIN32F0251: 200/350 mA source/sink current
- STSPIN32F0252: 1/0.85 A source/sink current
- dv/dt transient immunity ±50 V/ns
- Gate driving voltage range from 9 V to 20 V
- 32-bit Arm Cortex-M0 core:
- Up to 48 MHz clock frequency
- 4 Kbyte SRAM with HW parity
- 32 Kbyte 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
- smartSD function
- Standby mode for low power consumption
- On-chip debug support via SWD
- Extended temperature range: -40°C to +125°C
Applications
- Battery operated and 110 VAC supplied power and garden tools
- Industrial fans and pumps
- Home appliances
- Industrial and home automation
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STMicroelectronics' STSPIN32F025x system-in-package is an extremely integrated solution for driving three-phase applications, helping designers to reduce printed circuit board (PCB) area and overall bill of materials (BOM). It embeds an STM32F031x6x7 featuring an Arm 32-bit Cortex-M0 CPU and a 250 V triple half-bridge gate driver, able to drive N-channel power MOSFETs or IGBTs. A comparator featuring advanced smart shutdown (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 UVLO protection on both the lower and upper driving sections, which prevents 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.
Hong Kong, China