Brush DC Drivers
Dual Full-Bridge MOSFET Driver with Microstepping Translator for High-Power Motors
A4989
The A4989 provides a complete solution for driving high-power stepper motors, with integrated microstepping translation, sinusoidal DAC current reference, and synchronous rectification for efficient and quiet operation.
Product Details
Product Details
Top Features
- 2-wire step and direction interface
- Dual full-bridge gate drive for N-channel MOSFETs
- Operation over 12 to 50 V supply voltage range
- Synchronous rectification
- Cross-conduction protection
- Adjustable mixed decay
- Integrated sinusoidal DAC current reference
- Fixed off-time PWM current control
- Enhanced low current control when microstepping
- Pin compatible with the A3986
Target Application
