A4988
A4988 is DMOS Microstepping Driver manufactured by Allegro MicroSystems.
DMOS Microstepping Driver with Translator and Overcurrent Protection
Features
AND BENEFITS
- 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 patible 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
PACKAGE:
28-contact QFN with exposed thermal pad
5 mm × 5 mm × 0.90 mm (ET package)
Not to scale
DESCRIPTION
The A4988 is a plete microstepping motor driver with built-in translator for easy operation....
