Fairchild Semiconductor brings you their latest 3-phase FSB50550A stepper motor driver, a great tool to use when automation of your motor-controlled devices is required. Its typical operating supply voltage is 15 V. This product comes in rail packaging to keep individual parts separated and protected. This device has a typical operating supply voltage of 15 V. Its minimum operating supply voltage of 13.5 V, while its maximum is 16.5 V. This motor controller has an operating temperature range of -40 °C to 150 °C.