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)