Automotive Three-Phase MOSFET Driver with ASIL Compliance, Diagnostics, and Current Sensing

A4918

A4918 Product Image

The A4918 is an N-channel power MOSFET driver capable of controlling MOSFETs connected in a 3-phase bridge arrangement and is specifically designed for automotive applications with high-power inductive loads, such as BLDC motors.

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Top Features

Packaging

  • 3-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
  • Programmable gate drive voltage and strength
  • 4.5 to 50 V supply voltage operating range
  • Integrated logic supply
  • Three programmable current sense amplifiers
  • SPI-compatible serial interface
  • Bridge control by direct logic inputs or serial interface
  • Extensive programmable diagnostics
  • Diagnostic verification
  • Safety assist features
  • Automotive AEC-Q100 qualified

48-pin QFN with exposed thermal pad and wettable flank (suffix EV)

EV Package Documentation

 

48-pin LQFP with exposed thermal pad (suffix JP)

JP Package Documentation

Part Number Specifications and Availability

Documentation and Resources

Documentation

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