2 Phase Stepper Motor Driver (High Torque Type)-TR21.22-1/2

• Small volume
• Drived by PWM rated current and the circuit can suppress vibration which lower down the noise and vibration
• SMD(Surface Mounting Design) for raised stability of circuit.
• With auto current down circuit and it can depress the motors rise temperature
• Self-test function,easy circuit inspection
• LED monitered and displayed the driver's condition with full functions