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A2919 - Dual Full-Bridge PWM Motor Driver

Description

The A2919 motor driver is designed to drive both windings of a bipolar stepper motor or bidirectionally control two DC motors.

Both bridges are capable of sustaining 45 V and include internal pulse width modulation (PWM) control of the output current to 750 mA.

Features

  • 750 mA continuous output current.
  • 45 V output sustaining voltage.
  • Internal clamp diodes.
  • Internal PWM current control.
  • Low output saturation voltage.
  • Internal thermal shutdown circuitry.
  • Half- or quarter-step operation of bipolar stepper motors Package: 24-pin SOIC with exposed thermal tabs (suffix LB).

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Datasheet Details

Part number A2919
Manufacturer Allegro
File Size 350.35 KB
Description Dual Full-Bridge PWM Motor Driver
Datasheet download datasheet A2919 Datasheet

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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A2919 Dual Full-Bridge PWM Motor Driver Features and Benefits ▪ 750 mA continuous output current ▪ 45 V output sustaining voltage ▪ Internal clamp diodes ▪ Internal PWM current control ▪ Low output saturation voltage ▪ Internal thermal shutdown circuitry ▪ Half- or quarter-step operation of bipolar stepper motors Package: 24-pin SOIC with exposed thermal tabs (suffix LB) Description The A2919 motor driver is designed to drive both windings of a bipolar stepper motor or bidirectionally control two DC motors. Both bridges are capable of sustaining 45 V and include internal pulse width modulation (PWM) control of the output current to 750 mA. The outputs have been optimized for a low output-saturation voltage drop (less than 1.8 V total source plus sink at 500 mA).
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