Part number:
A4942
Manufacturer:
Allegro
File Size:
0.96 MB
Description:
Three-phase sensorless fan driver.
TheA4942 three phase motor driver incorporates BEMF sensing to eliminate the requirement for Hall sensors in fan applications.
A closed loop speed control system is integrated into the IC.
This allows accurate setting of maximum and minimum speeds via selection of external resistors.
The speed is co
A4942 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 no
Datasheet Details
A4942
Allegro
0.96 MB
Three-phase sensorless fan driver.
📁 Related Datasheet
📌 All Tags