Brushless Digital Servo
Compact and Designed for Embodied Intelligence Applications
  • Brushless Motor

    Long Life, Low Inertia, High Speed, Force Control

  • Temperature and Position Sensors
  • Precision Gearbox (Backdrivable)
  • Highly Integrated
  • High Power, High Speed
  • High-Speed Communication
  • Model

    Max (Stall) Torque

    Torque Opposite to Speed Direction

    Baud Rate

    Max (No-Load) Speed

    No-Load Current

  • J288

    1.5Nm

    J288

    6,000,000bps

    J288

    35rad/s (334rpm)@25.2V

    /

    16.5rad/s (157rpm)@12V

    J288

    0.45A@25.2V 0.27A@12V

  • S288

    0.6Nm

    S288

    6,000,000bps

    S288

    16.5rad/s

    (157rpm)@12V

    S288

    0.27A@12V

Control Modes
  • Angle Control

    Resolution: 8192 Steps, Continuous Rotation Without Angle Limit

  • Motor Feedback

    Rotor Torque, Rotor Angle, Output Angle, Rotor Angular Velocity, Temperature, Voltage, Error Status

  • Operation Modes

    Hybrid Mode: Rotor Torque, Rotor Angle, Rotor Angular Velocity, Rotor Stiffness, Rotor Damping

Industry Applications
  • DIY Creation

    Robot Competitions

  • Scientific Research and Education

    Motion Joints

Installation Diagram
  • Front Fixing Diagram

  • Back Fixing Diagram

  • Model

  • YS-

    342026-S288

  • YS-

    342026-J288

Input Voltage
  • Min.

    6.4V

    6.4V

  • Recommended

    12.6V

    25.2V

  • Max.

    12.6V

    25.2V

Performance Characteristics
  • Voltage

    12.6V

    25.2V

  • No-Load Current

    0.27A@12V

    0.45A@25.2V

    0.27A@12V

  • Maximum (No-Load) Speed

    16.5rad/s

    35rad/s@25.2V

    16.5rad/s@12V

  • Torque Constant

    0.554Nm/A

    0.554Nm/A

  • Maximum (Stall) Torque

    The Toque Is In The Opposite Direction of The Rotational Speed: 0.6Nm

    The Toque Is In The Opposite Direction of The Rotational Speed: 1.5Nm

Operating Temperature
  • Min.

    -20℃

    -20℃

  • Max.

    The driver board shuts down and reports an overheat error when exceeding 90 degrees

    The winding shuts down and reports an overheat error when exceeding 120 degrees

    The driver board shuts down and reports an overheat error when exceeding 90 degrees

    The winding shuts down and reports an overheat error when exceeding 120 degrees

Others
  • Position Sensor

    Rotor, output end, dual absolute value encoder

    Rotor, output end, dual absolute value encoder

  • Motor

    Brushless Motor

    Brushless Motor

  • Baud Rate

    6,000,000bps

    6,000,000bps

  • Control Algorithm

    Hybrid Control

    Hybrid Control

  • Gear Type

    Spur Gear

    Spur Gear

  • Gear Material

    Engineering Plastic

    Steel

  • Shell Material

    Engineering Plastic

    Aluminum Alloy

  • Dimensions (W x H x D)

    20 x 34 x 26mm

    20 x 34 x 26mm

  • Weight

    19.5g

    35g

  • Gear Ratio

    288.35:1

    288.35:1

  • Command Signal

    Digital data packet

    Digital data packet

  • Rotor End Encoder Resolution

    15bit

    15bit

  • Protocol Type

    Half-duplex asynchronous serial communication

    (8bit, 1stop, No Parity)

    Half-duplex asynchronous serial communication

    (8bit, 1stop, No Parity)

  • Connection (Physical)

    TTL level multi-point bus

    TTL level multi-point bus

  • ID

    0-14

    0-14

  • Motor Sensing Feedback

    Rotor torque, Rotor angle, Output end angle, Rotor angular velocity, Temperature, Voltage, Error status

    Rotor torque, Rotor angle, Output end angle, Rotor angular velocity, Temperature, Voltage, Error status

  • Protocol Version

    Unitree Custom Protocol

    Unitree Custom Protocol

  • Operating Mode / Angle

    Hybrid mode: Rotor torque, Rotor angle, Rotor angular velocity, Rotor stiffness, Rotor damping

    Hybrid mode: Rotor torque, Rotor angle, Rotor angular velocity, Rotor stiffness, Rotor damping

  • Standby Current [mA]

    0.05A@12V

    0.026A@25.2V

    0.05A@12V

This product is a civilian robot. We kindly request that all users refrain from making any dangerous modifications or using the robot in a hazardous manner.

Please visit Unitree Robotics Website for more related terms and policies, and comply with local laws and regulations.