Automotive Microstepping Stepper Driver with Integrated Current Control

A4992

Product Image

The A4992 simplifies stepper motor control with integrated phase current control, a built-in translator for easy microstepping, and adaptive mixed current decay for quiet and efficient operation.

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Top Features

Packaging

  • Low RDS(on) outputs, 0.5 Ω source and sink typical
  • Continuous operation at high ambient temperature
  • 3.5 to 50 V supply operation
  • Adaptive mixed current decay
  • Synchronous rectification for low power dissipation
  • Internal overvoltage and undervoltage lockout
  • Hot warning and overtemperature shutdown
  • Crossover-current protection
  • Short circuit and open load diagnostics
  • Stall detect features
  • Configurable through serial interface
20-pin TSSOP with exposed thermal pad (suffix LP)

Part Number Specifications and Availability