A3950 Datasheet - Allegro MicroSystems

A3950 DMOS Full-Bridge Motor Driver

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.

A3950 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 PACKAGES: Package LP, 16-pin TSSOP with Exposed T

A3950_AllegroMicroSystems.pdf