ROHM BD63520AEFV-E2, Stepper Motor Driver IC 28-Pin, HTSSOP

Single power supply input (rated voltage of 36V)
Rated output current: (DC) 2.0A
Low ON resistance DMOS output
CLK-IN drive mode
PWM constant current control (other oscillation)
Built-in spike noise cancel function (external noise filter is unnecessary)
Full step, Half step, Quarter step, Sixteenth step drive
Timing free for changing step modes
Current decay mode switching function (linearly variable FAST/SLOW DECAY ratio)
Normal rotation & reverse rotation switching function
Power save function
Built-in logic input pull-down resistor
Power-on reset function
Thermal shutdown circuit (TSD)
Over current protection circuit (OCP)
Under voltage lock out circuit (UVLO)
Over voltage lock out circuit (OVLO)
Ghost Supply Prevention (protects against malfunction when power supply is disconnected)
Adjacent pins short protection
Inverted mounting protection
Microminiature, ultra-thin and high heat-radiation (exposed metal type) HTSSOP-B28 package