STSPIN32G0251Q

Overview

The STSPIN32G0251Q is a system-in-package integrating an STM32G031x8 MCU and a triple half-bridge gate driver. The MCU features a Cortex-M0+ core operating up to 64 MHz with 64 KB flash and 8 KB SRAM. The gate driver supports a high-voltage rail up to 250 V, with source/sink currents of 200/350 mA at 25 °C. It includes integrated bootstrap diodes, SmartSD overcurrent protection, UVLO, interlocking, and deadtime functions. The device operates from -40 °C to +125 °C in a QFN 10x10 72L package.

Feature Summary

• Integrated STM32G031 MCU with Cortex-M0+ core (up to 64 MHz), 64 KB Flash, and 8 KB SRAM
• Triple half-bridge gate driver supporting N-channel MOSFETs or IGBTs up to 250 V
• SmartSD comparator for fast overcurrent protection with programmable disable time
• Built-in protections including UVLO, interlocking, deadtime, and matched propagation delays

Applications

• Three-phase motor drivers
• Inverters
• Industrial appliances and fans

Procurement Notes

Verify the specific ordering suffix 'Q' against the manufacturer's official documentation to confirm if it denotes automotive qualification or specific reliability standards. Ensure the component matches the required voltage and current ratings for the target application before procurement.

Selection Notes

Select this component for applications requiring a compact solution for three-phase BLDC control. It supports sensorless or sensored FOC and six-step algorithms. Ensure external power MOSFETs or IGBTs are compatible with the 250 V rating and that the thermal design accommodates the junction-to-ambient resistance of 22.4 °C/W.

Part Context

This part belongs to the STSPIN32G0 family, which embeds STM32 MCUs for advanced motor control. The STSPIN32G0251 specifically targets high-voltage applications up to 250 V, distinguishing it from lower-voltage variants in the series. It provides a complete SiP solution to reduce bill of materials and board area.

Replacement Considerations

Direct replacements within the same family include STSPIN32G0A2 or other STSPIN32G0 variants, provided they match the 250 V rating and pinout compatibility. Verify memory size and peripheral availability when substituting with different MCU-integrated drivers.

FAQ

What is the maximum switching frequency supported by the STSPIN32G0251?

The maximum switching frequency is specified as 800 kHz, although the actual limit depends on power dissipation and thermal conditions.

How does the SmartSD function operate?

The SmartSD function uses an internal comparator to detect overcurrent events. Upon detection, it immediately turns off all driver outputs and signals via the FAULT pin. The duration of the output disable time is determined by an external capacitor connected to the OD pin.

Can the STSPIN32G0251 drive IGBTs?

Yes, the integrated triple half-bridge gate driver is capable of driving both N-channel power MOSFETs and IGBTs.