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A4973 - Full-Bridge PWM Motor Driver

General Description

Designed for bidirectional pulse-width-modulated (PWM) current control of inductive loads, the A4973 is capable of continuous output currents to ±1.5 A and operating voltages to 50 V.

Key Features

  • ±1.5 A continuous output current.
  • 50 V output voltage rating.
  • 3 to 5.5 V logic supply voltage.
  • Internal PWM current control.
  • Fast and slow current decay modes.
  • Sleep (low current consumption) mode.
  • Internal transient-suppression diodes.
  • Internal thermal shutdown circuitry.
  • Crossover current and UVLO protection.

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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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A4973 Full-Bridge PWM Motor Driver FEATURES AND BENEFITS ▪ ±1.5 A continuous output current ▪ 50 V output voltage rating ▪ 3 to 5.5 V logic supply voltage ▪ Internal PWM current control ▪ Fast and slow current decay modes ▪ 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 A4973 is capable of continuous output currents to ±1.5 A and operating voltages to 50 V.