Clock controlled 2-phase Unipolar stepping motor driver

Features

・BiCD processed monolithic integrated circuit.

・Capable of operating one unipolar stepping motor.

・Full, half(a), half(b), quarter, 1/8, 1/16, 1/32 step resolution.

・PWM controlled synchronous rectification constant current drive.

・Reverse current protection function

・Error detect feedback signal output function (Over current/Thermal shutdown).

・Error detect function (Thermal shutdown(TSD), Over current(ISD), and Low voltage(POR).

・Standby mode (low power) function

・Brake function

・Low on resistance(0.5Ω (Typ.) output MOSFET.

・High voltage and current (For specification, please refer to the absolute maximum ratings and operation ranges).

・Build-in VCC regulator for internal circuit use.

・Fixed off time can be adjusted by external components.