Allegro a3983slptr t dmos microstepping driver with translator 1 5a tssop 24 allegro a3983slptr t the a3983slptr t is a complete microstepping motor driver that features a built in translator for easy operation the device is designed to operate bipolar stepper motors in full half quarter and eighth step modes and has an output drive capacity of up to 35v and 2a the ic includes a fixed off time current regulator which has the ability to operate in slow or mixed decay modes the translator