A4984 Overview
The A4984 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 eighth-step modes. Step modes are selectable by MSx logic inputs.
A4984 Key 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 patible logic supply
- Thin profile QFN and TSSOP packages
- Thermal shutdown circuitry
- Short-to-ground protection