Datasheet Summary
A3987 DMOS Microstepping Driver with Translator
Features
AND BENEFITS
- Low RDS(on) outputs
- Short-to-ground protection
- Shorted load protection
- Automatic current decay mode detection/selection
- Mixed and slow current decay modes
- Synchronous rectification for low power dissipation
- Internal UVLO and thermal shutdown circuitry
- Crossover-current protection
PACKAGE: 24-pin TSSOP with exposed thermal pad (suffix LP)
Not to scale
DESCRIPTION
The A3987 is a plete microstepping motor driver with built-in translator for easy operation. It is designed to operate bipolar stepper motors in full, half, quarter, and sixteenth step modes, with output drive capability of 50 V and ±1.5 A....