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A89303

Part Number	A89303
Manufacturer	Allegro
Description	Three-Phase Sensorless Pump Driver
Published	Dec 10, 2023
Detailed Description	A89303 Three-Phase Sensorless Pump Driver IC FEATURES AND BENEFITS • AEC-Q100 qualified • I2C serial port control • Fas...
Datasheet	A89303 PDF File

Overview

A89303 Three-Phase Sensorless Pump Driver IC FEATURES AND BENEFITS • AEC-Q100 qualified • I2C serial port control • Fast startup features • Trapezoidal drive • Sensorless (no Hall sensors required) • Low RDS(ON) power MOSFETs • FG speed output • Lock detection • Soft start • Overcurrent protection • Overvoltage protection • Diagnostic outputs • Small form factor automotive pump PACKAGES: DESCRIPTION The A89303 three-phase motor driver incorporates sensorless drive intended to drive low power automotive BLDC motors.
A trapezoidal drive algorithm is implemented to minimize time to ramp up to maximum speed.
The device can be operated by PWM duty or I2C interface.
The I2C serial port can be us...

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