The Toshiba serial controlled bipolar stepping motor driver is two-phase IC with a built-in clock-in decoder. This monolithic IC is fabricated with the BiCD process, and has output rating of 50 V/5.0 A. It incorporate DMOS with low on-resistance in output transistors.
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)
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