Brush DC Drivers

Automotive Microstepping Stepper Driver with SPI Control and Diagnostics

A4993

Markets Served

The A4993 offers flexible and precise control of bipolar stepper motors, with integrated phase current control, a built-in translator for easy microstepping, and SPI control for advanced configuration and diagnostics.

Product Details

Top Features

  • Peak motor current up to 1.4 A at 28 V.
  • 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, open-load diagnostics
  • Stall-detect features
  • Configurable through serial interface
Target Application

Part Number Specifications and Availability

Design Tools