Brush DC Drivers
Microstepping Programmable Stepper Motor Driver with Stall Detect and Diagnostics
A4979
The A4979 is a highly configurable stepper motor driver with integrated microstepping, stall detection, and short circuit protection.
Product Details
Product Details
Top Features
- Typical application up to 1.5 A, 50 V
- Stall detect features
- Low RDS(on) outputs, 0.5 Ω source and sink, typical
- Automatic current decay mode detection/selection
- Mixed, Fast, and Slow current decay modes
- Synchronous rectification for low power dissipation
- Internal UVLO and Thermal Shutdown circuitry
- Crossover-current protection
- Short circuit and open load diagnostics
- Hot and cold thermal warning
- SPI-compatible or simple Step and Direction motion control
- Highly configurable via SPI-compatible serial interface
Target Application
- Head-up Display
- Throttle Position
- In Cabin Motors
- Exterior Lighting
