Brushless DC Drivers
Three-Phase Sensorless Sinusoidal Fan Driver for Low-Noise Operation
A4945-A4949
The A4945/A4949 offers quiet and efficient operation of medium-power fans, using sinusoidal drive to minimize audible noise and vibration. These sensorless drivers simplify design and reduce system complexity.
Product Details
Product Details
Top Features
- 180° sinusoidal drive - low audible noise and vibration
- Motor position using Allegro's sensorless algorithm - eliminates external Hall sensors
- AEC-Q100 Qualified - suitable for automotive applications
Target Application
