A3961 Datasheet - ALLEGRO

A3961 DUAL FULL-BRIDGE PWM MOTOR DRIVER

Data Sheet 29319.26 3961 DUAL FULL-BRIDGE PWM MOTOR DRIVER 3961 DUAL FULL-BRIDGE PWM MOTOR DRIVER Designed for pulse-width modulated (PWM) current control of OUT1B 1 24 OUT2B bipolar stepper motors, the A3961S is capable of continuous output currents to ±800 mA and operating voltages to 45 V. Internal fixed E1 2 SENSE1 3 OUT1A 4 T VBB1 5 GROUND 6 C GROUND 7 U VREFOUT 8 D Y VREFIN 9 L RC1 10 PHASE1 11 O N ENABLE1 12 23 E 2 22 SENSE 2 21 OUT2A 20 V BB2 19 GROUND 18 GROUND 17 I FU.

A3961 Features

* s ±800 mA Continuous Output Current Rating s 45 V Output Voltage Rating s Internal PWM Current Control, Saturated Sink Drivers s Internally Generated Precision 2.5 V Reference s Internal Transient-Suppression Diodes s Internal Thermal-Shutdown Circuitry s Crossover-Current Protection, UVLO Protectio

A3961-ALLEGRO.pdf