L6226Q is a DMOS dual full bridge driver designed by ST, which features 2.8A output peak current (1.4A DC), RDS(on) 0.73 Ω typ. value @ TJ = 25 °C, operating frequency up to 100kHz, programmable high side overcurrent detection and protection, diagnostic output, paralleled operation, cross conduction protection, thermal shutdown, under voltage lockout, integrated fast free wheeling diodes. It is widely used in bipolar stepper motor, dual or quad DC motor applications.