STMicroelectronics

ST662ABD-TR

STMicroelectronics' ST662ABD-TR is a high-performance, automotive-grade, 3-phase brushless DC (BLDC) motor driver IC. It is specifically designed for use in electric vehicle (EV) applications, such as electric power steering (EPS) systems, air conditioning compressors, and fuel pumps. The ST662ABD-TR is manufactured using advanced CMOS technology, ensuring high efficiency, reliability, and robustness.

Description:

The ST662ABD-TR is a monolithic integrated circuit that provides a complete solution for driving and controlling 3-phase BLDC motors. It features a high-voltage power stage with six N-channel MOSFETs, three for each motor phase, and an integrated pre-driver for external high-side MOSFETs. The IC also includes protection features, such as overcurrent, overvoltage, and thermal shutdown, to ensure safe and reliable operation.

Features:

1. Automotive-grade: The ST662ABD-TR is designed to meet the stringent requirements of automotive applications, including high temperature range (-40°C to +125°C), robustness against electromagnetic interference (EMI), and compliance with automotive standards like AEC-Q100.
2. High-voltage power stage: The IC features a high-voltage power stage with six N-channel MOSFETs and an integrated pre-driver for external high-side MOSFETs, allowing it to handle high voltage and current requirements of BLDC motors in EV applications.
3. Advanced control algorithms: The ST662ABD-TR implements advanced control algorithms, such as field-oriented control (FOC) and sensorless control, to achieve high efficiency, precise speed control, and smooth torque regulation.
4. Protection features: The IC includes various protection features, such as overcurrent protection, overvoltage protection, and thermal shutdown, to ensure safe and reliable operation of the motor driver.
5. Communication interface: The ST662ABD-TR features a serial peripheral interface (SPI) for communication with a microcontroller, allowing for easy configuration and control of the motor driver.
6. Compact package: The IC is available in a compact, thermally-enhanced package, making it suitable for space-constrained automotive applications.

Applications:

1. Electric power steering (EPS) systems: The ST662ABD-TR can be used to drive and control the BLDC motor in EPS systems, providing precise and efficient steering assistance.
2. Air conditioning compressors: The motor driver IC can be used to control the BLDC motor in automotive air conditioning compressors, ensuring efficient and reliable operation.
3. Fuel pumps: The ST662ABD-TR can be used to drive and control the BLDC motor in electric fuel pumps, providing efficient and reliable fuel delivery.
4. Cooling fans: The motor driver IC can be used to control the BLDC motor in automotive cooling fans, ensuring efficient and reliable cooling performance.
5. Window lift systems: The ST662ABD-TR can be used to drive and control the BLDC motor in electric window lift systems, providing smooth and precise control of the window movement.

In summary, the ST662ABD-TR from STMicroelectronics is a high-performance, automotive-grade motor driver IC designed for driving and controlling 3-phase BLDC motors in various electric vehicle applications. Its advanced features, such as field-oriented control, sensorless control, and robust protection features, make it an ideal choice for demanding automotive applications.