TEA3718 is a bipolar monolithic integrated circuit intended to control and drive the current in one winding of a bipolar stepper motor. Its features include half-step and full-step mode, bipolar drive of stepper motor for maximum motor performance, built-in protection diodes, wide range of current control, wide voltage range, designed for unstabilized motor supply voltage, current levels can be selected insteps or varied continuously, thermal overload protection, alarm output or pre-alarm output.