TA8435H PWM CHOPPER TYPE BIPOLAR STEPPING MOTOR DRIVER. The TA8435H is PWM chopper type sinusoidal micro step bipolar stepping motor driver. Sinusoidal micro step operation is accomplished only a clock signal inputting by means of built−in hard ware. FEATURES 1 chip bipolar sinusoidal micro step stepping motor driver. Output current up to 1.5 A (AVE.) and 2.5 A (PEAK). PWM chopper type. Structured by high voltage Bi−CMOS process technology. Forward and reverse rotation are available. 2, 1−2, W1−2, 2W1−2 phase 1 or 2 clock drives are selectable. Package : HZIP25−P Input Pull−up Resistor equipped with RESET Terminal: R = 100 kΩ (Typ.) Output Monitor available with MO IO(MO) = ±2 mA (MAX.) Reset and Enable are available with RESET and ENABLE.