STK672-640AN-E

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STK672-640AN-E is an integrated single-chip motor driver controller developed by Sanken Electric. Its embedded semiconductor device can control a three-phase brushless motor with a simple serial input. It features a simple architecture and offers various features such as auto-tuning, speed control, torque control, and over-current protection. This motor driver controller is used in a variety of applications, ranging from medical equipment and surveillance systems to industrial automation and home appliances.

The STK672-640AN-E driver application field is mainly for motor control applications. This single-chip motor driver integrates four independent half-bridge drivers and one driver for an H-bridge, providing efficient and robust control for brushless and stepper motors. This motor driver is suitable for a wide range of applications including surveillance systems, robotics, and consumer electronics. In addition, this motor driver provides a wide range of features such as over-current protection, adjustable current limits, and stepped speed control.

The working principle of the STK672-640AN-E motor driver is based on the supply of three power rails (V1, V2 and V3) who connects each phase of the three-phase motor. The driver also includes a Hall Effect device (HE) connected to the non-inverting inputs of two comparators, which monitor the current in each of the three phases of the motor. The output of the comparators is connected to the microcontroller, which in turn produces the necessary signals for the motor to rotate in the desired direction. The microcontroller also controls the motor speed, the motor direction and the motor torque.

In summary, STK672-640AN-E motor driver is a simple and efficient single-chip motor driver based on a three-phase brushless motor. It is suitable for a wide range of applications and offers a variety of features such as over-current protection, adjustable current limits, and stepped speed control. This motor driver can help customers improve efficiency and reduce cost in the long run.

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