Product Overview

The TB67S149FTG is a Clock controlled PWM chopping type 2 phase unipolar stepping motor driver. Using the BiCD process, the TB67S149FTG can be operated with VM voltage of 45V, output voltage of 84V, and output current of 3.0A at max (absolute maximum ratings).

Product Features

・BiCD processed monolithic integrated circuit.

・Capable of operating one unipolar stepping motor.

・PWM controlled constant current drive.

・Full, half(a), half(b), quarter, 1/8, 1/16, 1/32 step resolution.

・Low on resistance(0.25Ω(typ.) output MOSFET.

・High voltage and current (For specification, please refer to the absolute maximum ratings and operation ranges).

・Brake mode function

・Standby (low power) mode function

・Error detect feedback signal output function (Over current/Thermal shutdown).

・Error detect function (Thermal shutdown(TSD), Over current(ISD), and Low voltage(POR).

・Built-in VCC regulator for internal circuit use.

・Fixed off time can be adjusted by external components.

Note) Please be careful about the thermal conditions during use.