MKS-LV8729-OC 1.5A Ultra Quiet Stepper Motor Driver for 3D Printers & CNC Machines

Description :

The MKS-LV8729-OC 1.5A Ultra Quiet Stepper Motor Driver is a high-performance motor driver designed for 3D printers, CNC machines, and other precision motion control applications. Based on the LV8729 driver chip, this module delivers smooth, accurate, and ultra-quiet stepper motor operation with support for up to 128 microsteps.

This driver is compatible with various controller boards including MKS GEN, MKS SBASE, MKS CD, RAMPS, and MKS OSC controllers. It supports both common cathode and differential input modes, selectable through DIP switch configuration, allowing flexible integration with different control systems.

The driver includes high-speed optocoupler isolation for reliable high-speed signal transmission without losing steps. It also features automatic half-current control to reduce motor heating and improve power efficiency during idle operation.

Microstep subdivision and output current can be easily configured through onboard DIP switches. The driver supports multiple subdivision modes including 16, 32, 64, and 128 microsteps for smoother and more precise motor motion.

An enlarged heatsink design improves heat dissipation and enhances driver stability during long operating hours. The built-in over-current protection circuit helps protect both the driver and connected motor from electrical damage.

Features:

  • Ultra-quiet stepper motor operation
  • LV8729 driver chip with over-current protection
  • Supports up to 128 microsteps
  • High-speed optocoupler for reliable signal transmission
  • Automatic half-current function
  • Supports common cathode and differential input modes
  • DIP switch configuration for microstep and current settings
  • Compatible with MKS GEN, MKS SBASE, RAMPS, and MKS OSC
  • Improved heatsink for efficient heat dissipation
  • Suitable for 3D printers and CNC applications

Instructions for Use:

  • Supports common cathode and differential input modes via DIP switch 6
  • DIP switches 1 and 2 are used for subdivision settings
  • DIP switches 3, 4, and 5 are used for current settings
  • DIP switch ON position represents “1”, OFF position represents “0”

Package Includes:

  • 1 x MKS-LV8729-OC 1.5A Ultra Quiet Stepper Motor Driver
  • 1 x 4-Pin Dupont Cable with Connectors on Both Ends (70cm)

Specification :

Model Series CNC Oriented, LV Series, MKS Series
Voltage Rating (V) 9 to 32VDC
Current Rating (A) 1.5
Operating Voltage (VDC) DC 9V ~ 32V
Recommended Power Supply DC12V or DC24V Switching Power Supply
Max. Current (A) 1.5A
Microstep Subdivision 16 / 32 / 64 / 128
Cable Length (cm) 70
Length (mm) 70
Width (mm) 50
Height (mm) 20
Shipping Weight 0.28 kg
Shipping Dimensions 8 × 5 × 3 cm

Refund Reason