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A4963 Datasheet Sensorless Bldc Controller

Manufacturer: Allegro MicroSystems

Overview: A4963 Sensorless BLDC Controller.

General Description

The A4963 is a three-phase, sensorless, brushless DC (BLDC) motor controller for use with external complementary P-channel and N-channel power MOSFETs.

The A4963 can be used as a stand-alone controller communicating directly with an electronic control unit (ECU) or it can be used in a close-coupled system with a local microcontroller (MCU).

The motor is driven using block commutation (trapezoidal drive) where phase commutation is determined, without the need for independent position sensors, by monitoring the motor backEMF (bemf).

Key Features

  • Three-phase sensorless BLDC motor control FET driver.
  • Logic level P-N gate drive (P high-side, N low-side).
  • 4.2 to 50 V supply range.
  • Simple block commutation for maximum torque.
  • Sensorless (bemf sensing) startup and commutation.
  • Programmable operating modes:.
  • Integrated speed control.
  • PWM duty cycle control.
  • Current mode control.
  • Cross-conduction prevention.
  • Wide speed range capability.

More Datasheets from Allegro MicroSystems

Part Number Description
A4962 Sensorless BLDC Controller
A4964 Sensorless Sinusoidal Drive BLDC Controller
A4900 High Voltage Three Phase Gate Driver
A4910 Automotive 3-Phase MOSFET Driver
A4911-1 Automotive Three-Phase MOSFET Driver
A4911-1A Automotive Three-Phase MOSFET Driver
A4918-1A Automotive Three-Phase MOSFET Driver
A4923 3-Phase Sinusoidal Motor Controller
A4926 Automotive Half-Bridge MOSFET Driver
A4927 Automotive Half-Bridge MOSFET Driver

A4963 Distributor