Three-Phase Sensorless Fan Driver

FEATURES AND BENEFITS ? 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 vibration ? Sensorless (no Ha

文件：1.44566 Mbytes 頁數(shù)：28 Pages

ALLEGRO

Three-Phase Sensorless Drivers

The A89332 three-phase sensorless fan controller helps reduce data-center costs. With power loss brake function, the A89332 gate driver IC can reduce energy consumption by stopping fans that have lost power or are not working properly. \n\nThe A89332 is available in a 26-contact 4 mm x 4 mm QFN with ? Availability\n? Packaging;

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Three-Phase Sensorless Fan Driver

FEATURES AND BENEFITS ? 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 vibration ? Sensorless (no Ha

文件：1.44566 Mbytes 頁數(shù)：28 Pages

ALLEGRO

Three-Phase Sensorless Fan Driver

FEATURES AND BENEFITS ? 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 vibration ? Sensorless (no Ha

文件：1.44566 Mbytes 頁數(shù)：28 Pages

ALLEGRO

Three Phase Sensorless Fan Driver

The A89331 three-phase motor drivers incorporate sensorless sinusoidal drive to minimize vibration for high-speed server fans. Sensorless control eliminates the requirement for Hall sensors for server fan applications.\r\n\r\nA flexible closed loop speed control system is integrated into the IC. EEP ? Availability\n? Packaging;

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