PWM Drive Module, DC and Stepper Motors

The XPS-DRV01 is a software configurable PWM amplifier that is compatible with most of Newport’s and other companies’ DC brush and 2-phase stepper motor positioners. When used with Newport stages, the configuration of the amplifier is easily completed using the auto-configuration utility software, or advanced users can manually develop their own configuration files specifically optimized for each application. The XPS-DRV01 motor driver supplies a maximum current of 3 Amps and 43 Volts. It can drive unipolar and bipolar 2-phase stepper motors in microstep mode (sine/cosine commutation) and DC brush motors in velocity mode, for motors with a tachometer, or in voltage mode, for motors without a tachometer. Programmable gains and a programmable PWM switching frequency up to 300 kHz allow a very fine adjustment of the driver to the motor. For added safety, a programmable over-current protection setting can be used.