DDSM115 Direct Drive Servo Motor, Low Speed & High Torque, Low Noise, All-In-One Design, Hub Motor

SKU: 23489
Part Number: DDSM115
Brand: Waveshare


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DDSM115 Direct Drive Servo Motor, Low Speed & High Torque, Low Noise, All-In-One Design, Hub Motor
DDSM115 Direct Drive Servo Motor

Adopts advanced direct drive technology, remove the reducer in the traditional drive
solution. Say goodbye to the shortcomings of expensive, noisy, inefficient and bulky

All-in-one Robot Joint

Based on the integrated development concept, DDSM115 is a high-reliability Permanent Magnet Synchronous Motor (PMSM) integrating outer rotor brushless motor,
encoder and servo.

Features At A Glance
  • Ultra low noise
  • High precision and zero-backlash
  • Fast response, direct drive without delay
  • Integrated motor and driver, compact structure and high integration
  • Support RS485 communication mode
  • Motor feedback information such as position, speed, current, error code, etc. can be obtained through communication.
  • With Hall position detection, over-current protection, etc.
  • Support electric brake
  • No drive mechanical friction, drive efficiency close to 100%
No-load speed 200±10rpm Operating temperature -20~45℃
No-load current ≦0.25A Total weight 765±15g
Rated speed 115rpm Encoder resolution 4096
Rated torque 0.96Nm Rated current 1.25±0.05A
Degree of protection IP54 Noise level ≦50dB
Locked-rotor torque 2.0Nm Mechanical time constant 30ms
Locked-rotor current ≦2.7A Rotor inertia 1.67kg-m²
Rated voltage 18V DC (5S LiPo) Phase resistive elements 2.15Ω
Torque constant 0.75Nm/A Phase inductance 3.6mH
Speed constant 11.1rpm/V Number of pole pairs 10

Multiple operating modes

Current loop mode, position loop mode, velocity loop mode

Support RS485 Communication

Only 1-Ch RS485 bus is required to control multiple direct drive servo
motors at the same time

Closed-loop Control, Multiple Feedback

You can get the motor feedback information such as temperature, position, velocity,
current, etc. by communication

Temperature Feedback

Position Feedback

Speed Feedback

Current Feedback

Integrated Direct Drive Design, No Reducer

The integrated direct drive motor design allows the motor to provide smooth torque, steady speed and accurate position without an external reducer, also with the advantages of compact structure and high integration

Excellent Low Speed Performance
Compact, Yet Powerful

The DDSM115 speed is as low as 1 RPM and its torque up to 2.0Nm

Waterproof & Dustproof, Longer Service Life

IP54 protection rating, the ingress protection design against dust and water jets can make the motor better protected, provides a longer lifetime and better performance

Application Scenarios

Home robots, industrial/commercial robots, fitness equipment, etc.

Home Robots

Industrial Robots

Fitness Equipment

Food Delivery Robots

Product Show

Resources & Services

* Resources for different product may vary, please check the wiki page to confirm the actually provided resources.

Weight: 0.759 kg

Quick Overview

DDSM115 x1