Description: 2 Phase Stepper Motor 32-bit DSP Control Technology Stepper Motor Driver without Magnet. Specifications: Type: Stepper Motor. Voltage Input Range: DC20~50V. Drive Current: adjustable below 4.0A. Max. Pulse Response Frequency: 200Kpps. Size: 118*76*33mm. Weight: 0.35kg. Quantity: 1pcs. Features: - The new generation of 32-bit DSP control technology, with high cost performance, good stability, excellent noise and vibration performance, has 16 equal angle constant torque subdivision, up to 200 subdivision. - Current control is smooth and accurate, and motor heating is small. - When the stepping pulse stops for more than 200ms, the motor current is halved. - Excellent stability at low frequency and small subdivision. - Optical coupler isolates differential signal input and has strong anti-interference ability. - It has error protection functions such as overvoltage, undervoltage and overcurrent protection. Package Included: 1 X Stepper Motor Driver