Stepper Motor Driver Module – A4988

Description

Description:

The A4988 Stepper Motor Driver Module is a carrier board or breakout board for Allegro’s A4988 DMOS Microstepping Driver with Translator and Overcurrent Protection. It features a four-layer PCB. Offers adjustable overcurrent protection, current limiting and five different microstep resolutions.

Specifications:

• Size: A4988:20*15*11mm (LWH)
• Heat Sink: 9*9*5mm (LWH)
• Weight: ~ 23 grams
• Colour: Green

Features:

• Intelligent chopping control that automatically selects the correct current decay mode (fast decay or slow decay)
• Over-temperature thermal shutdown, under-voltage lockout, and crossover-current protection
• Automatic current decay mode detection / selection
• Internal UVLO
• Mixed with slow current decay modes
• Synchronous rectification for low power dissipation
• Crossover-current protection
• Thermal shutdown circuitry
• 3.3 and 5 V compatible logic supply
• Thermal shutdown circuitry
• Ground Fault Circuit
• Load short-circuit protection
• Of five optional step mode: full, 1/2, 1/4, 1/8 and 1/16

Contents:

• 1 * Stepper Motor Driver Module – A4988