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: 9~42VDC Input voltage: DC 12 ~ 48V Operating Temperature: -10 to 45'C Storage temperature: -40 to 70'C Max Drive Current: 4A Chopping Frequency: 20KHZ 1, 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