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A3950 - DMOS Full-Bridge Motor Driver

Datasheet Summary

Description

Designed for PWM (pulse-width modulated) control of DC motors, the A3950 is capable of peak output currents to ±2.8 A and operating voltages to 36 V.

Features

  • Low RDS(on) outputs.
  • Overcurrent protection.
  • Motor lead short-to-supply protection.
  • Short-to-ground protection.
  • Sleep function.
  • Synchronous rectification.
  • Diagnostic output.
  • Internal undervoltage lockout (UVLO).
  • Crossover-current protection.

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Datasheet preview – A3950

Datasheet Details

Part number A3950
Manufacturer Allegro MicroSystems
File Size 0.98 MB
Description DMOS Full-Bridge Motor Driver
Datasheet download datasheet A3950 Datasheet
Additional preview pages of the A3950 datasheet.

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Full PDF Text Transcription

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FEATURES AND BENEFITS ▪ Low RDS(on) outputs ▪ Overcurrent protection ▪ Motor lead short-to-supply protection ▪ Short-to-ground protection ▪ Sleep function ▪ Synchronous rectification ▪ Diagnostic output ▪ Internal undervoltage lockout (UVLO) ▪ Crossover-current protection PACKAGES: Package LP, 16-pin TSSOP with Exposed Thermal Pad A3950 DMOS Full-Bridge Motor Driver DESCRIPTION Designed for PWM (pulse-width modulated) control of DC motors, the A3950 is capable of peak output currents to ±2.8 A and operating voltages to 36 V. PHASE and ENABLE input terminals are provided for use in controlling the speed and direction of a DC motor with externally applied PWM control signals. Internal synchronous rectification control circuitry is provided to lower power dissipation during PWM operation.
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