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A89303 - Three-Phase Sensorless Pump Driver

Datasheet Summary

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.

Features

  • 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.

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Datasheet preview – A89303

Datasheet Details

Part number A89303
Manufacturer Allegro
File Size 1.26 MB
Description Three-Phase Sensorless Pump Driver
Datasheet download datasheet A89303 Datasheet
Additional preview pages of the A89303 datasheet.

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Full PDF Text Transcription

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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 used to customize the startup and running operation via EEPROM.
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