Automotive Full-Bridge MOSFET Driver with SPI Control and Diagnostics

A3922

A3922 Product Image

The A3922 provides precise and reliable motor control in automotive applications, featuring SPI control, integrated current sensing, comprehensive diagnostics, and ASIL compliance for functional safety.

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Top Features

Packaging

  • Full-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
  • 5.5 to 50 V supply voltage operating range
  • Integrated current sense amplifier
  • SPI compatible serial interface
  • Bridge control by direct logic inputs or serial interface
  • TTL-compatible logic inputs
  • Open-load detection
  • Extensive programmable diagnostics
  • Diagnostic verification
  • Safety-assist features

28-pin eTSSOP (suffix LP)

Part Number Specifications and Availability

Documentation and Resources

Documentation

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