DM556 Digital Stepper Motor Driver

The DM556 is a digital microstep stepper motor driver designed for precise control of 2-phase bipolar stepper motors. It uses advanced DSP-based control algorithms to reduce motor vibration, noise, and heat while delivering smooth motion and accurate positioning. The driver is widely used in CNC machines, 3D printers, laser engravers, robotics, and industrial automation systems.

Technical Specifications:

• Motor type: 2-phase bipolar stepper motor
• Supply voltage: DC 20–50 V
• Output current: 1.4 A to 5.6 A (peak, selectable)
• Control signals: PUL (Pulse), DIR (Direction), ENA (Enable)
• Input signal voltage: 5–24 V (TTL compatible)
• Microstep resolution: 400 to 25,600 pulses/revolution
• Current control: DIP switch selectable
• Idle current reduction: Yes (half current at standstill)
• Operating temperature: 0 °C to 45 °C
• Cooling: Natural air cooling
• Mounting: Panel / enclosure mount

Features:

• Advanced digital control for smooth and quiet motor operation
• Wide voltage and current range for flexible motor compatibility
• Multiple microstepping options for high positioning accuracy
• Automatic idle current reduction to minimize motor heating
• Opto-isolated control inputs for better noise immunity
• Simple configuration using onboard DIP switches
• Built-in overvoltage, overcurrent, and short-circuit protection

Applications:

• CNC milling and routing machines
• Laser cutting and engraving systems
• 3D printers and motion platforms
• Robotics and automation equipment
• Textile and packaging machinery
• Precision positioning and linear motion systems