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A4911-1A Datasheet Automotive Three-phase MOSFET Driver

Manufacturer: Allegro MicroSystems

Overview: A4911-1A Automotive Three-Phase MOSFET Driver.

General Description

The A4911 is an N-channel power MOSFET driver capable of controlling MOSFETs connected in a three-phase bridge arrangement and is specifically designed for automotive applications with high-power inductive loads, such as BLDC motors.

The A4911 is intended for automotive systems that must meet ASIL requirements.

In common with other Allegro A2-SIL™ products, it incorporates

Key Features

  • Three-phase bridge MOSFET driver.
  • Bootstrap gate drive for N-channel MOSFET bridge.
  • Cross-conduction protection with adjustable dead time.
  • Charge pump for low supply voltage operation.
  • Top-off charge pump for 100% PWM.
  • Programmable gate drive voltage and strength.
  • 5.5 to 50 V supply voltage operating range.
  • Integrated logic supply.
  • Logic level phase state outputs.
  • Three current sense amplifiers.

More Datasheets from Allegro MicroSystems

Part Number Description
A4911-1 Automotive Three-Phase MOSFET Driver
A4910 Automotive 3-Phase MOSFET Driver
A4918-1A Automotive Three-Phase MOSFET Driver
A4900 High Voltage Three Phase Gate Driver
A4923 3-Phase Sinusoidal Motor Controller
A4926 Automotive Half-Bridge MOSFET Driver
A4927 Automotive Half-Bridge MOSFET Driver
A4928 Automotive Half-Bridge MOSFET Driver
A4933 Automotive 3-Phase MOSFET Driver
A4935 Automotive 3-Phase MOSFET Driver

A4911-1A Distributor