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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.

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.

📥 Download Datasheet

Datasheet Details

Part number A3950
Manufacturer Allegro MicroSystems
File Size 0.98 MB
Description DMOS Full-Bridge Motor Driver
Datasheet download datasheet A3950 Datasheet

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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.

View original datasheet text
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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