Three-Phase Sensorless BLDC Motor Controller with Wide Operating Range

A4963

Product Image

The A4963 simplifies sensorless BLDC motor control, offering a wide operating range (up to 50V and 30,000 rpm), programmable operating modes, and integrated gate drivers for reduced system complexity.

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Top Features

Packaging

  • Three phase sensorless BLDC motor control FET driver
  • Logic level P-N gate drive (P high-side, N low-side)
  • 4.2 V to 50 V supply range
  • Simple block commutation for maximum torque
  • Sensorless (bemf sensing) start-up and commutation
  • Programmable operating modes:
    • Integrated Speed Control
    • PWM Duty Cycle Control
    • Current mode control
  • Cross-conduction prevention
  • Wide speed range capability
  • Peak current limiting
  • Single low frequency PWM control input
  • Single Open Drain Fault output
  • SPI compatible interface providing:
    • Configuration and control
    • Programmable dead time
    • Programmable phase advance
    • Detailed diagnostic reporting

20-Pin eTSSOP with Exposed Thermal Pad (suffix LP)

LP Package Documentation

Part Number Specifications and Availability