ST2405S Digital Stepper Motor Driver 20-50VDC 1.0-6.0A
The ST2405S is a DSP-driven two-phase (bipolar) stepper motor driver designed for compact to mid-range NEMA steppers (typically NEMA 17/23). Operating on 20–50 VDC, it delivers configurable peak output current up to 6.0 A via eight selectable levels. Features include PI-control algorithm for low noise, vibration, and heat, selectable micro-subdivision (16 positions), optically isolated single-/dual-pulse inputs, and active idle-current reduction, providing smooth and accurate motion performance.
Features
- Wide input voltage range: 20–50VDC.
- Peak output current up to 6.0A.
- Supports single-ended and differential pulse inputs.
- Microstepping resolution up to 25,600 steps per revolution.
- Advanced PI control algorithm for smooth and quiet operation.
- Built-in protections: over-voltage, under-voltage, over-current, and overheating.
- Compatible with NEMA 17 and NEMA 23 stepper motors.
- Compact design for easy system integration.
Specifications
| Parameter | Value |
|---|---|
| Model | ST2405S |
| Driver Type | DSP-controlled two-phase hybrid stepper driver |
| Supported Models | Two-phase NEMA 17–23 hybrid stepper motors |
| Input Voltage | 20–50 VDC |
| Peak Output Current | Up to 6.0 A (8 configurable levels) |
| Microstep Resolution | 16 positions |
| Pulse Frequency | Up to 300 kHz |
| Control Modes | PUL/DIR or CW/CCW (jumper/DIP selectable) |
| Protections | Over‑voltage, under‑voltage, over‑current, phase‑open |
| Operating Temp Range | 0 °C – 50 °C |
| Storage Temp Range | –20 °C – 65 °C |
Applications
- CNC milling machines.
- 3D printers.
- Robotics and automation systems.
- Laser engraving machines.
- Medical equipment.
- Textile machinery.
- Packaging machinery.
- Stage lighting systems.
Package Contents
- 1x ST2405S Digital Stepper Motor Driver.
