Part number:
A5947-B
Manufacturer:
Allegro
File Size:
1.18 MB
Description:
Three-phase sensorless fan driver.
The A5947-B three phase motor driver IC incorporates sensorless sinusoidal drive to minimize vibration for a wide variety of fan applications.
Sensorless control eliminates the requirement for Hall sensors.
A flexible closed-loop speed control system is integrated into the IC.
EEPROM is used to tail
A5947-B Features
* AEC-Q100 qualified
* Speed curve configuration via EEPROM
* I2C serial port
* Sinusoidal modulation for reduced audible noise and low vibration
* Sensorless (no Hall sensors required)
* Low RDS(ON) power MOSFETs
* 3.3 V / 20 mA linear regulat
Datasheet Details
A5947-B
Allegro
1.18 MB
Three-phase sensorless fan driver.
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