A4988 Stepper Motor Driver Reprap

Description:

A4988 Stepper Motor Driver Board is  a breakout board for Allegro’s A4988 DMOS Microstepping Driver with Translator and Overcurrent Protection

Warning: Connecting or disconnecting a stepper motor while the driver is powered can destroy the driver.

Features: 

• Low RDS (On) Output

• Automatic current decay mode detection / selection

• Mix with 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

• Ground fault protection

• Load short-circuit protection

• Five selectable step modes: full, 1/2, 1/4, 1/8 and 1/16