# Stepper Motor Driver DM556 5.6A NEMA 17/23

> The Stepper Motor Driver DM556 5.6A NEMA 17/23 is a 2-phase digital bipolar driver for NEMA 17 and NEMA 23 stepper motors. It accepts 18–50 V DC input, provides selectable output current and microstepping, and supports CNC, plasma, laser, 3D printing and industrial automation applications.

- **Intended for:** CNC system designers and builders, Plasma equipment users, Laser equipment users, 3D printer builders and operators, Industrial automation engineers and integrators, People working with NEMA 17 stepper motors, People working with NEMA 23 stepper motors
- **Product page:** https://triton-solutions.co/en/engineering/catalogue/electronics/drivers/stepper-motor-driver-dm556

## Highlights

- 2-phase digital bipolar driver
- Output current from 0.5–5.6 A peak
- 16 selectable output-current settings
- Microstepping from 1/1 to 1/128 across 16 settings
- Optical isolation on PUL, DIR and ENA inputs
- Self-test function
- Idle current reduction
- Smooth motion algorithm
- Over-current, over-voltage and over-temperature protection

## Specifications

| Property | Value |
| --- | --- |
| Driver type | 2-phase digital bipolar |
| Compatible motors | NEMA 17, NEMA 23 |
| Input interface isolation | Optical isolation on PUL/DIR/ENA inputs |
| Output current | 0.5–5.6 A peak |
| Output-current settings | 16 selectable settings |
| Input voltage | 18–50 V DC |
| Microstepping | 1/1 to 1/128 |
| Microstepping settings | 16 settings |
| Features | Self-test; idle current reduction; smooth motion algorithm |
| Protection | Over-current; over-voltage; over-temperature |

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*AI-readable product summary generated by Geoffy. Canonical source: https://triton-solutions.co/en/engineering/catalogue/electronics/drivers/stepper-motor-driver-dm556. Last updated 2026-09-24T13:30:12.719Z.*