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A89307 Datasheet Automotive FOC BLDC Motor Controller

Manufacturer: Allegro MicroSystems

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General Description

The A89307 is a 3-phase, sensorless, brushless DC (BLDC) motor driver (gate driver) that can operate from 5.5 to 50 V.

A field-oriented control (FOC) algorithm is fully integrated to achieve the best efficiency and acoustic noise performance.

Constant torque and constant power mode are provided as well as constant speed and open-loop operating modes.

Overview

A89307 Automotive FOC BLDC Motor Controller.

Key Features

  • Code-free sensorless field-oriented control (FOC).
  • Constant speed, constant torque, constant power, and open-loop operating modes.
  • I2C interface for speed control and status readback.
  • Programmable, flexible in-to-output transformer.
  • Ultra-quiet low speed operation.
  • Proprietary non-reverse fast startup.
  • Soft-on soft-off (SOSO) for quiet operation.
  • Analog / PWM / Clock mode speed control.
  • Closed-loop speed control.

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