Overview
The STSPIN32F0251 is a highly integrated system-in-package (SiP) designed by STMicroelectronics for driving three-phase applications. This component combines a 32-bit ARM® Cortex®-M0 microcontroller with a 250V triple half-bridge gate driver, making it an ideal solution for various high-voltage motor control applications. The integrated MCU enables advanced driving algorithms such as Field Oriented Control (FOC) and 6-step sensorless control, while the gate driver can handle N-channel power MOSFETs or IGBTs. The device is optimized for reducing PCB area and overall bill-of-material, making it a compact and efficient choice for designers.
Key Specifications
| Parameter | Value |
|---|---|
| Motor Type | Brushless DC |
| Load Voltage | 250V |
| No of Outputs | Triple |
| Output Current - Max | 0.35A (source/sink: 200/350 mA) |
| Supply Current | 950µA |
| Clock Frequency - Max | 48MHz |
| Rated Power Dissipation | 4.5W |
| Supply Voltage | 9V to 20V |
| Rise Time | 120ns |
| Fall Time | 50ns |
| Turn-on Delay Time | 85ns |
| Turn-off Delay Time | 85ns |
| Interface | I2C/SPI |
| Operating Temp Range | -40°C to +125°C |
| Package Style | TQFP-64 |
| Mounting Method | Surface Mount |
Key Features
- Three-phase gate drivers with high voltage rail up to 250V and dV/dt transient immunity ±50 V/ns.
- Driver current capability: 200/350 mA source/sink current.
- 32-bit ARM® Cortex®-M0 core with up to 48 MHz clock frequency, 4-Kbyte SRAM with HW parity, and 32-Kbyte Flash memory.
- 21 general-purpose I/O ports (GPIO), 6 general-purpose timers, and a 12-bit ADC converter (up to 10 channels).
- I2C, USART, and SPI interfaces.
- Matched propagation delay for all channels.
- Integrated bootstrap diodes and comparator for fast overcurrent protection.
- UVLO, interlocking, and deadtime functions.
- Smart shutdown (smartSD) function and standby mode for low power consumption.
- On-chip debug support via SWD.
Applications
- Battery-operated and 110 Vac supplied power tools.
- Industrial fans and pumps.
- Home appliances.
- Industrial and home automation systems.
Q & A
- What is the maximum load voltage the STSPIN32F0251 can handle?
The STSPIN32F0251 can handle a maximum load voltage of 250V.
- What type of motors can the STSPIN32F0251 drive?
The STSPIN32F0251 is designed to drive brushless DC motors.
- What is the maximum output current of the STSPIN32F0251?
The maximum output current is 0.35A with source/sink current capability of 200/350 mA.
- What is the clock frequency of the integrated MCU?
The clock frequency of the integrated MCU is up to 48 MHz.
- What interfaces does the STSPIN32F0251 support?
The STSPIN32F0251 supports I2C, USART, and SPI interfaces.
- What is the operating temperature range of the STSPIN32F0251?
The operating temperature range is -40°C to +125°C.
- What type of package does the STSPIN32F0251 come in?
The STSPIN32F0251 comes in a TQFP-64 package.
- Does the STSPIN32F0251 have integrated bootstrap diodes?
Yes, the STSPIN32F0251 has integrated bootstrap diodes.
- What kind of protection features does the STSPIN32F0251 offer?
The STSPIN32F0251 offers UVLO, interlocking, deadtime functions, and a comparator for fast overcurrent protection.
- Can the STSPIN32F0251 be used in low power consumption modes?
Yes, the STSPIN32F0251 has a standby mode for low power consumption.
