Automotive 3-Phase MOSFET Driver with Current Sensing, Diagnostics, and 50V Operation

A4935

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The A4935 is designed for automotive motor drive applications, providing high-current gate drive up to 50V, integrated current sensing, and diagnostic features for reliable operation in harsh environments.

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Top Features

Packaging

  • High current 3-phase gate drive for N-channel MOSFETs
  • Cross-conduction protection with adjustable dead time
  • Top-off charge pump for 100% PWM
  • Charge pump for low supply voltage operation
  • Uncommitted current sense amplifier
  • 5.5 to 50 V supply voltage range
  • Compatible with 3.3 V and 5 V logic
  • Extensive diagnostic outputs
  • Low-current sleep mode

The A4935 is supplied in a 48-pin LQFP with exposed thermal pad, (suffix JP). This is a small footprint (81 mm2) power package. It is lead (Pb) free with 100% matte tin leadframe plating.


 

 

Part Number Specifications and Availability

Documentation and Resources

Documentation

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Reverse Battery Protection Scheme for Automotive Applications