A5979 Overview
Key Specifications
Mount Type: Surface Mount
Max Voltage (typical range): 5.5 V
Min Voltage (typical range): 3 V
Logic Function: AND
Description
The A5979 is a complete microstepping motor driver with built-in translator. It is designed to operate bipolar stepper motors in full-, half-, quarter-, and sixteenth-step modes, with output drive capability of 40 V and ±2.8 A.
Key Features
- ±2.8 A, 40 V output rating
- Low RDS(on) outputs, 0.22 Ω source, 0.15 Ω sink typical
- Automatic current decay mode detection/selection
- 3 to 5.5 V logic supply voltage range
- Mixed, fast, and slow current decay modes
