2 Phase Stepper Motor 32-bit DSP Control Technology Stepper Motor Driver without Magnet; Type:Stepper Motor; Voltage Input Range:DC20~50V; Drive Current:adjustable below 4.0A; Ma*. Pulse Response Frequency: 200Kpps; Size:118*76*33mm; Weight:0.35kg; Quantity:1pcs; Feature: - The new generation of 32-bit DSP control technology, with high cost performance, good stability, e*cellent 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; - E*cellent 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 Include: 1*Stepper Motor Driver