Feature:1. The chip has an automatic half current lock function, which greatly reduces the heating of the motor when it is locked.2. The chip of this brushless motor controller has built in temperature protection and over current protection.3. Built in 5V logic signal power supply voltage regulator chip, and added a current limiting resistor.4. The chip heating input reverse connection protection when reducing the high voltage input.5. The wiring of this brushless motor controller is reasonable, the marking is clear, and it is reliable and stable.Specification:Item Type: Motor ControllerMaterial: PCBModel: THB6128Working Voltage: DC 9-36VStep Subdivision: 1, 2, 4, 8, 16, 32, 64, 128Power Supply Current: 2APurpose: Drive Stepper MotorApplication: Stepper motor, machinery manufacturing, automatic equipment, equipment maintenance.Package List:1 x Stepper Motor Driver1 x Radiating Plate