SMD86 servo microstepping driver is an average current controlled, two-phase sine wave driving output product that can drive 4, 6, 8-wire two-phase and four-phase stepper motors. It has the characteristics of output current peak value up to 7.2A (average 5.09A), static current halved (adjustable), high-speed optocoupler isolated signal input, pulse response frequency up to 300KHZ, strong anti-high frequency interference, output current 2.40 ~ 7.20A, etc. It is suitable for various small and medium-sized automated equipment and instruments, such as engraving machines, marking machines, cutting machines, laser proofing, plotters, CNC machine tools, handling devices, etc.