The A3980KLPTR-T is a fully integrated driver with a control and power stage manufactured by Allegro MicroSystems, LLC. It is designed for automotive applications and has a DMOS technology. The IC has a package of 28-TSSOP (0.173", 4.40mm Width) Exposed Pad and can operate at a temperature range of -40°C to 150°C. The A3980KLPTR-T has a step/direction interface and a half-bridge (4) output configuration. It has a voltage load range of 7V to 50V and a current output of 1A. The IC is compatible with bipolar stepper motors and has a step resolution of 1, 1/2, 1/8, and 1/16. The device has a medium popularity and a sufficient supply and demand status. The alternative parts (cross-reference) are L9958TR, L9958XP, and L99MD01XP.