Brushless DC Drivers
Three-Phase Sensorless Fan Driver with Integrated Closed-Loop Speed Control
A4942
The A4942 simplifies fan motor control with its sensorless design, integrated closed-loop speed control, and adjustable current limiting for quiet and efficient operation.
Product Details
Product Details
Top Features
- Sensorless (no Hall sensors required)
- Closed loop speed control
- Minimal external components
- PWM speed input
- FG speed output
- Lock detection
- Soft start
- Overcurrent protection
- Soft switching for reduced audible noise
Target Application
