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A3953 - Full-Bridge PWM Motor Driver

Datasheet Summary

Description

Designed for bidirectional pulse width modulated (PWM) current control of inductive loads, the A3953 is capable of continuous output currents to ±1.3 A and operating voltages to 50 V.

Features

  • ±1.3 A continuous output current.
  • 50 V output voltage rating.
  • 3 V to 5.5 V logic supply voltage.
  • Internal PWM current control.
  • Saturated sink drivers (below 1 A).
  • Fast and slow current-decay modes.
  • Automotive capable.
  • Sleep (low current consumption) mode.
  • Internal transient-suppression diodes.
  • Internal thermal shutdown circuitry.
  • Crossover current and UVLO protection Packages: Package B, 16-pin DIP with exposed tabs Package LB, 16-pin SOI.

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Datasheet preview – A3953

Datasheet Details

Part number A3953
Manufacturer Allegro MicroSystems
File Size 325.59 KB
Description Full-Bridge PWM Motor Driver
Datasheet download datasheet A3953 Datasheet
Additional preview pages of the A3953 datasheet.

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Full PDF Text Transcription

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A3953 Full-Bridge PWM Motor Driver Features and Benefits ▪ ±1.3 A continuous output current ▪ 50 V output voltage rating ▪ 3 V to 5.5 V logic supply voltage ▪ Internal PWM current control ▪ Saturated sink drivers (below 1 A) ▪ Fast and slow current-decay modes ▪ Automotive capable ▪ Sleep (low current consumption) mode ▪ Internal transient-suppression diodes ▪ Internal thermal shutdown circuitry ▪ Crossover current and UVLO protection Packages: Package B, 16-pin DIP with exposed tabs Package LB, 16-pin SOIC with internally fused pins Not to scale Description Designed for bidirectional pulse width modulated (PWM) current control of inductive loads, the A3953 is capable of continuous output currents to ±1.3 A and operating voltages to 50 V.
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