Brush DC Drivers

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

A4988

The A4988 offers precise and versatile microstepping motor control, featuring a built-in translator, 1/16th step resolution, automatic current decay selection, and synchronous rectification.

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Product Details

Top Features

  • 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
  • Thermal shutdown circuitry
  • Short-to-ground protection
  • Shorted load protection
  • Five selectable step modes: full, 1/2, 1/4, 1/8, and 1/16
Target Application

Part Number Specifications and Availability

Design Tools

ECAD FILE

A4988

A4988 ECAD Model Type Image
Software

Software Portal
Third Party Tool

Mikroe Stepper 2 Click
Third Party Tool

Sparkfun Big Easy Driver
Third Party Tool

Stepper Motor Driver Carriers for A4988

Technical Documentation

A4988 Evaluation Board User Guide
Guide

A4988 Evaluation Board User Guide

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