Full-Bridge PWM Gate Driver for N-Channel MOSFETs

A4955

A4955, A4956, A5957 Full Bridge PWM Driver Gate and Gate Driver Packaging Image

Serving as a replacement part for the A5957 Full-Bridge PWM Gate Driver. The A4955 provides a versatile and robust solution for driving all N-channel MOSFET bridges, featuring adjustable gate drive, synchronous rectification, and integrated protection.

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Top Features

  • Standard IN1/IN2 control logic
  • Overcurrent indication
  • Adjustable off-time and blank-time
  • Adjustable current limit
  • Adjustable gate drive
  • Synchronous rectification
  • Internal UVLO
  • Crossover-current protection
  • MOSFET VDS protection
  • Voltage output proportional to load current
  • A4955K is AEC-Q100 Grade 1 qualified
  • Commercial temperature grade (A4955G: –40°C to 105°C)
  • Automotive temperature grade (A4955K: –40°C to 125°C)

Part Number Specifications and Availability

Documentation and Resources

Documentation

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Documents Found: 32
Document Type Document Name
Guide
A4955 Evaluation Board User Guide