Part number:
A89331
Manufacturer:
Allegro
File Size:
1.41 MB
Description:
Three-phase sensorless fan driver.
Datasheet Details
The A89331 three-phase motor driver incorporates sensorless sinusoidal drive to minimize vibration for high-speed server fans.
Sensorless control eliminates the requirement for Hall sensors for server fan applications.
A flexible closed-loop speed control system is integrated into the IC.
EEPROM is
A89331 Features
* Closed-loop speed control
* Overvoltage protection
* Power loss brake
* Fault mode brake
* Configurable RD or FG output
* Speed curve configuration via EEPROM
* I2C serial port
* Sinusoidal modulation for reduced audible noise and low
Datasheet Details
A89331
Allegro
1.41 MB
Three-phase sensorless fan driver.
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