DMOS Microstepping Driver with Integrated Translator, 1/16th Step Resolution, and Automatic Decay Selection

A4983

Product Image

The A4983 provides a highly integrated solution for microstepping motor control, featuring a built-in translator, 1/16th step resolution, automatic current decay selection, and synchronous rectification.

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Top Features

Packaging

  • Low RDS(ON) outputs
  • Automatic current decay mode detection/selection
  • Mixed and Slow current decay modes
  • Synchronous rectification for low power dissipation
  • Internal UVLO
  • Crossover-current protection
  • 3.3 and 5 V compatible logic supply
  • Very thin profile QFN package
  • Thermal shutdown circuitry

The A4983 is supplied in a 5 mm × 5 mm × 0.90 nominal surface mount QFN package with exposed thermal pad (suffix ET). The package is lead (Pb) free (suffix –T), with 100% matte tin plated leadframe.

Part Number Specifications and Availability