The A4993 offers flexible and precise control of bipolar stepper motors, with integrated phase current control, a built-in translator for easy microstepping, and SPI control for advanced configuration and diagnostics.
Product Details
Product Details
Top Features
- Peak motor current up to 1.4 A at 28 V.
- Low RDS(ON) outputs, 0.5 Ω source and sink typical
- Continuous operation at high ambient temperature
- 3.5 to 50 V supply operation
- Adaptive mixed current decay
- Synchronous rectification for low power dissipation
- Internal overvoltage and undervoltage lockout
- Hot warning and overtemperature shutdown
- Crossover-current protection
- Short-circuit, open-load diagnostics
- Stall-detect features
- Configurable through serial interface.
Applications
- Automotive stepper motors
- Engine management
- Headlamp positioning
- HVAC flap and valve control
Target Application
- Exterior Lighting
- Head-up Display
- Throttle Position
- HVAC
