2927 Datasheet (Allegro MicroSystems) - DUAL FULL-BRIDGE PWM MOTOR DRIVER

2927, DUAL FULL-BRIDGE PWM MOTOR DRIVER

2927 DUAL FULL-BRIDGE PWM MOTOR DRIVER PRELIMINARY INFORMATION (Subject to change without notice) September 16, 1997 2927 DUAL FULL-BRIDGE PWM MOTOR DRIVER The A2927SEB motor driver is designed to drive both windings of a bipolar stepper motor or bidirectionally control two dc motors.

Both bridges are capable of sustaining 50 V and include internal pulse-width modulation (PWM) control of the output current to 1.5 A.

39 GND Data Sheet 29319.23 SENSE 1 PHASE 1 VREF 1 ENABLE 1 43 42 41 RC

2927 Features

* s 1.5 A Output Current s 50 V Output Sustaining Voltage s Internal Flyback Diodes s Undervoltage Lockout s Digital Control of Output Current s Internal Thermal Shutdown Circuitry Always order by complete part number: A2927SEB . 2927 DUAL FULL-BRIDGE PWM MOTOR DRIVER PWM CURRENT-CONTROL CIRCUI