A3992 Datasheet - Allegro MicroSystems

A3992 DMOS Dual Full-Bridge Microstepping PWM Motor Driver

Designed for pulse width modulated (PWM) current control of bipolar microstepped stepper motors, the A3992 is capable of continuous output currents to ±1.5 A and operating voltages to 50 V. Internal fixed off-time PWM current control timing circuitry can be programmed via the serial interface to ope.

A3992 Features

* ▪ ±1.5 A, 50 V continuous output rating ▪ Low RDS(on) DMOS output drivers ▪ Short-to-ground protection ▪ Shorted load protection ▪ Optimized microstepping via six bit linear DACs ▪ Programmable mixed, fast, and slow current decay modes ▪ 4 MHz internal oscillator for digital timing ▪ Serial interfac

A3992_AllegroMicroSystems.pdf