Bipolar Step Motor Driver Operates from 24 to 80 VDC Phase current ranges from 1 to 7 Amps AND 0.3 to 2 Amps 10 Microstepping Driver Optically isolated Step, Direction, and Disable/Enable Inputs Selectable Current Reduction of 33% Low Power Dissipation Step Frequency of 200 kHz Efficient Current Control Power-on Indicator Power Disable/Enable Control Sinusoidal current waveform Low Cost Driver