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A89332-1

Allegro
Part Number A89332-1
Manufacturer Allegro
Description Three-Phase Sensorless Fan Controller
Published Dec 10, 2023
Detailed Description A89332-1 Three-Phase Sensorless Fan Controller FEATURES AND BENEFITS • Closed-loop speed control • Fault mode brake • ...
Datasheet PDF File A89332-1 PDF File

A89332-1
A89332-1

Overview
A89332-1 Three-Phase Sensorless Fan Controller FEATURES AND BENEFITS • Closed-loop speed control • Fault mode brake • AC Loss IBB control • Configurable rotor detect (RD) or frequency generator (FG) output • Speed curve configuration via EEPROM • I2C serial port • Sinusoidal modulation for reduced audible noise and low vibration • Sensorless (no Hall sensors required) • Trapezoidal drive option for high speed • Adjustable gate drive option • Minimal external components • PWM duty cycle speed input • FG speed output • Lock detection • Soft start • Overvoltage protection • Shorted output protection (OCP) APPLICATIONS • High-speed 12 V server cooling fans • Industrial and consumer blowers and...


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