2. Features

• Built-in Dual H Bridges, Capable of controlling 1 bipolar stepping motor

• PWM controlled constant-current drive

• Power supply operating voltage: 2.5 V to 16.0 V

• Output current ratings: 2.0 A (max)

• Low on-resistance (High + Low side = 0.48 Ω (typ.)) MOSFET output stage

• Allows full, half, quarter, 1/8, 1/16, 1/32, 1/64, 1/128 step operation

• Built-in Sense resistor less current control architecture (Advanced Current Detection System)

• Multi error detect functions (Thermal shutdown (TSD), Over current (ISD), motor load open (OPD)

and Under voltage lockout(UVLO))

• Error detection (TSD/ISD/OPD) flag output function

• Built-in VCC regulator for internal circuit

• Chopping frequency of a motor can be adjusted by external resistor

• Small QFN package with thermal pad (16pin)