HALJIA TB6600 4A Stepper Motor Driver Controller 20KHZ CNC Single Axis 2/4 Phase Hybrid Stepper Motor Driver Board Controller

H-bridge bipolar constant phase flow drive Bipolar constant current chopper; High-speed optocoupler signal isolation input Electrical input signal is TTL compatible Stationary current is automatically reduced by half Suitable for any small-and-medium automatic equipment with CNC controller, such as X-Y-Z tables, labeling machines, laser cutters, engraving machines, and pick-place devices. Supply Voltage: 9~42VDCInput voltage: DC 12 ~ 48VOperating Temperature: -10 to 45'CStorage temperature: -40 to 70'CMax Drive Current: 4AChopping Frequency: 20KHZ1, the output current is infinitely adjustable to meet your various application requirements.2, automatic half current function. And a semi-automatic flow switch, easy to use.3, the use of high-speed optical coupling 6N137 ensure high-speed without losing step.4, printed on the back panel are subdivided setup instructions.5, used to increase the heat sink, good heat dissipation.6, output short-circuit protection, the use of mind.7, using common anode input mode, there are two input terminals, wiring more convenient.Package Included:1 x TB6600 Stepper Motor Driver Controller