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A5932 Datasheet Three-Phase Sinusoidal Sensorless Fan Controller

Manufacturer: Allegro MicroSystems

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General Description

The A5932 three-phase motor controller incorporates sinusoidal drive to minimize audible noise and vibration for high-power fans.

A sinusoidal voltage profile is applied to the windings of the motor at startup to quietly start up and gradually ramp up the motor to desired speed.

The motor speed is controlled by applying a duty cycle command to the speed (SPD) input.

Overview

A5932 Three-Phase Sinusoidal Sensorless Fan Controller.

Key Features

  • Automotive grade, AEC-Q100 qualified.
  • Sinusoidal drive for low vibration and noise.
  • Configurable closed loop speed curves.
  • RD output.
  • Quiet startup.
  • Proprietary high-efficiency control algorithm.
  • Automatic phase advance.
  • Windmill detection.
  • Fault output.
  • FG speed output.
  • Lock detection.
  • Overcurrent limit (OCL).
  • Short-circuit protection (OCP).
  • Direction input.
  • Br.

More Datasheets from Allegro MicroSystems

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A5947G Three-Phase Sensorless Fan Driver