Part A4954
Description Dual Full-Bridge DMOS PWM Motor Driver
Manufacturer Allegro MicroSystems
Size 856.12 KB
Allegro MicroSystems
A4954

Overview

Designed for pulse width modulated (PWM) control of two DC motors, the A4954 is capable of peak output currents to ±2 A and operating voltages to 40 V. Input terminals are provided for use in controlling the speed and direction of a DC motor with externally applied PWM control signals.

  • Low RDS(on) outputs
  • Overcurrent protection (OCP) □ Motor short protection □ Motor lead short to ground protection □ Motor lead short to battery protection
  • Low Power Standby mode
  • Adjustable PWM current limit
  • Synchronous rectification
  • Internal undervoltage lockout (UVLO)
  • Crossover-current protection PACKAGE: 16-pin TSSOP with exposed thermal pad (suffix LP) Not to scale