The LV8728MR is a PWM current controlled micro stepper motor driver. This driver can execute eight excitation modes from full step to 1/128 step, and can be driven with only CLK input. LV8728MR-AH is suitable for various applications and has a variety of incentive methods. Equipped with built-in overcurrent protection, thermal shutdown, and low-voltage protection circuits, it can be safely designed according to customer applications.
main features 
Output conduction resistance (upper side: 0.3 Ω; lower side: 0.25 Ω; total upper and lower sides: 0.55 Ω; Ta=25 ° C, IO=2.0A)
Low conduction resistance brings low consumption
Optional full, half, 1/4, 1/8, 1/16, 1/32, 1/64, 1/128 step excitation modes
Rich incentive models to choose from
Using a unique step signal input to advance excitation step
Easy to control
Overcurrent protection circuit
safety design 
Thermal shutdown circuit
safety design 
Input pull-down resistor
safety design 
Equipped with reset pin and enable pin.
Low consumption
Provide forward and reverse control
Single channel PWM current control stepper motor driver
BiCDMOS process IC
Maximum IO=2.0A