Automotive Three-Phase MOSFET Driver with Integrated Fault Protection and 50V Operation

A4939

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The A4939 offers robust protection and reliable performance in automotive motor drive applications up to 50V, with integrated fault detection, short circuit protection, and overtemperature monitoring.

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Top Features

Packaging

  • High current 3-phase gate drive for N-channel MOSFETs
  • Cross-conduction protection
  • 5.5 to 50 V supply voltage range
  • Regulated logic supply voltage output option
  • Motor phase short to supply and short to ground detection
  • Undervoltage, overtemperature monitors
  • Low current Sleep mode option

28-pin TSSOP with exposed thermal pad (suffix LP)

LP Package Documentation

Part Number Specifications and Availability

Documentation and Resources

Documentation

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Technical Article
Reverse Battery Protection Scheme for Automotive Applications