• LKMTECH MF4005-V2 12V motor front face with DF40 connector, RS485/CAN pin markings
  • Rear end view of MF4005-V2 motor showing central shaft opening and four mounting screw holes
  • Angled rear view of motor showing cylindrical body, rear plate, and central shaft opening
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LKMTECH MF4005-V2 Motor 12V RS485/CAN 18bit Magnetic Encoder DF40V2 Drive Option for Robotics

LKMTECH MF4005-V2 Motor 12V RS485/CAN 18bit Magnetic Encoder DF40V2 Drive Option for Robotics

LKMTECH

$145.00 USD
$145.00 USD
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Overview

LKMTECH MF4005-V2 is a motor designed for integrated mechatronic applications requiring lightweight design, high control accuracy, and high torque output. The MF4005 V2 update highlights: encoder resolution upgraded from 14-bit to 18-bit, cogging torque optimization, PWM input support, and CAN/RS485 communication with multiple baud-rate options.

Key Features

  • Integrated design: mechanical-electrical integration
  • Lightweight design: flattening design of aerospace aluminium alloys
  • High control accuracy: magnetic encoder (MF4005 V2 update indicates 14-bit upgraded to 18-bit)
  • High torque output: high performance RbFeB permanent magnet
  • Supports PWM input
  • Communication: CAN or RS485
  • Drive functions: can switch between torque mode, speed mode and position mode
  • Main control: 32-bit Cortex-M4 ARM high-efficiency processor (drive)
  • Real time monitoring of stator temperature (drive)
  • Drive power stage: full bridge circuit with low internal resistance and high current
  • 18-bit single turn absolute value magnetic encoder (drive feature text); one calibration, zero position never lose
  • Motor construction notes: external-rotor; permanent magnet multi-stage arc design; smaller air gap; radial magnetization; 0.2 mm silicon steel sheet; class H insulated enamelled wire; SH grade NdFeB
  • OEM/ODM service (not a product specification)
  • Parameter software: program software provided to adjust parameters, test and upgrade; supports open source development such as PC, MCU, PLC, ICP and RPi

Application Scenarios

  • Humanoid Robots
  • Robotic Arms
  • Exoskeletons
  • Quadruped Robots
  • AGV Vehicles
  • ARU Robots
  • Camera PTZ
  • Laser Lidar
  • Power Station Inspection Robot
  • Industrial Inspection

Specifications

Motor model: MF4005-V2

Parameter Value (25 turns) Value (40 turns)
Item Name MF4005-V2 MF4005-V2
Turns 25 40
Rated Voltage 12V 12V
Max Speed 2390RPM 1300RPM
Rated Torque 0.07 N.m 0.06 N.m
Rated Speed 1600RPM 700RPM
Rated Current 1.44A 0.81A
Max Power 14W 4.6W
Max Torque 0.25 N.m 0.12 N.m
Speed constant 133 rpm/V 58 rpm/V
Torque Constant 0.05 N.m/A 0.07 N.m/A
Winding Type Y Y
Phase Resistance 1.9Ω 4.3Ω
Phase Inductance 0.5mH 1.2mH
Motor Poles 26 26
Rotor inertia 56 gcm² 56 gcm²
Motor Temperature YES YES
Bearing Rated Load 140N 140N
Motor Weight 65g 65g
Recommend Drive DF40V2 DF40V2
Drive input Voltage 7.4-32V 7.4-32V
Communication RS485 OR CAN RS485 OR CAN
Communication Frequency RS485: 500Hz (115200bps) / CAN: 2KHz (1Mbps) RS485: 500Hz (115200bps) / CAN: 2KHz (1Mbps)
Encoder 18bit Magnetic Encoder 18bit Magnetic Encoder
Encoder Baudrate (RS485) 9600, 19200, 57600, 115200, 230400, 406800, 1M, 2Mbps 9600, 19200, 57600, 115200, 230400, 406800, 1M, 2Mbps
Baudrate (CAN) 100K, 125K, 250K, 500K, 1M 100K, 125K, 250K, 500K, 1M
Control Mode Torque Loop (24KHz) / Speed Loop (8KHz) / Position Loop (8KHz) Torque Loop (24KHz) / Speed Loop (8KHz) / Position Loop (8KHz)
Acceleration curve Trapeziod acceleration Trapeziod acceleration

Interface Definition

ID switch: ID SWITCH

Interface Note
A/L RS485-A or CAN-L
B/H RS485-B or CAN-H
V+ Positive Power Supply
V+ Positive Power Supply
V- Negative Power Supply
V- Negative Power Supply
T UART Transmitter
R UART Receiver
G Signal GND

For pre-sales or integration support (RS485/CAN setup, baud rate selection, and CAD files), contact support@rcdrone.top or visit https://rcdrone.top/.

Manuals / Files

Details

LKMTECH MF4005-V2 12V motor with RS485/CAN options and 18-bit magnetic encoder upgrade highlights

MF4005‑V2 integrates motor, encoder, and drive features for compact robotics builds, with an upgraded 18‑bit magnetic encoder and CAN/RS485 communication options.

Exploded view of MF4005 motor structure showing integrated electronics, external rotor, and permanent magnet construction

An integrated, lightweight construction combines the drive electronics with the motor assembly to support accurate control and high torque output.

Close-up of MF4005 stator windings and external-rotor layout, highlighting compact design and coil arrangement

External-rotor design and dense winding layout help balance size, responsiveness, and torque for robotic joints and actuators.

MF4005-V2 interface definition with ID switch and pin table for RS485/CAN, power supply, UART, and signal ground

Wiring is simplified with a clearly labeled connector and ID switch for bus setups using RS485 or CAN.

DF40V2 drive function summary for MF4005-V2: torque/speed/position modes, CAN or RS485, temperature monitoring

Drive capabilities include selectable torque, speed, and position modes, plus real-time stator temperature monitoring over CAN or RS485.

LKMTECH parameter software screens for MF4005-V2/DF40V2 setup, tuning, testing, and firmware upgrade functions

PC software support helps with parameter tuning, testing, and upgrades, with options suited to development workflows.

Application scene graphic listing typical uses: camera PTZ, laser lidar, power station inspection robot, and industrial inspection

Common application areas include PTZ camera heads, lidar systems, and inspection robots used in industrial environments.

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