A4988SETTR-T Datasheet PDF - Allegro MicroSystems

●The A4988SETTR-T is a complete micro stepping motor driver with built-in translator for easy operation. It is designed to operate bipolar stepper motors in full-, half-, quarter-, eighth-, and sixteenth-step modes, with an output drive capacity of up to 35 V and ±2 A. The A4988 includes a fixed off-time current regulator which has the ability to operate in Slow or Mixed decay modes.

● Automatic current decay mode detection/selection

● Mixed and Slow current decay modes

● Synchronous rectification for low power dissipation

● Internal under voltage lockout

● Crossover-current protection

● Thermal shutdown circuitry

● Short-to-ground protection

● Shorted load protection

● 3.3 and 5 V compatible logic supply