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A3964 - Dual Full-Bridge PWM Motor Driver

Description

Designed for pulse width modulated (PWM) current control of bipolar stepper motors, the A3964 is capable of continuous output currents to ±800 mA and operating voltages to 30 V.

Internal fixed off-time PWM current-control circuitry can be used to regulate the maximum load current to a desired value.

Features

  • ±800 mA continuous output current rating.
  • 30 V output voltage rating.
  • Internal PWM current control, saturated sink drivers.
  • Internally generated, precision 2.5 V reference.
  • Internal transient-suppression diodes.
  • Internal thermal-shutdown circuitry.
  • Crossover-current protection, UVLO protection Package: 20 pin SOIC (suffix LB) Not to scale.

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Datasheet preview – A3964

Datasheet Details

Part number A3964
Manufacturer ALLEGRO
File Size 335.23 KB
Description Dual Full-Bridge PWM Motor Driver
Datasheet download datasheet A3964 Datasheet
Additional preview pages of the A3964 datasheet.

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Full PDF Text Transcription

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A3964 Dual Full-Bridge PWM Motor Driver Features and Benefits ▪ ±800 mA continuous output current rating ▪ 30 V output voltage rating ▪ Internal PWM current control, saturated sink drivers ▪ Internally generated, precision 2.5 V reference ▪ Internal transient-suppression diodes ▪ Internal thermal-shutdown circuitry ▪ Crossover-current protection, UVLO protection Package: 20 pin SOIC (suffix LB) Not to scale Description Designed for pulse width modulated (PWM) current control of bipolar stepper motors, the A3964 is capable of continuous output currents to ±800 mA and operating voltages to 30 V. Internal fixed off-time PWM current-control circuitry can be used to regulate the maximum load current to a desired value.
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