TB67S549FTG Bipolar Stepping Motor Driver IC Toshiba TB67S549FTG Bipolar Stepping Motor Driver IC is a PWM chopper type 2-phase bipolar stepping motor drive. The TB67S549FTG utilizes the BiCD process producing an output withstand voltage of 40V and a maximum output current of 1.5A. The Toshiba TB67S549FTG Bipolar Stepping Motor Driver IC offers flexibility by allowing operation via a single VM power supply with a built-in regulator.