The DFRobot 4015 Three-Phase Brushless DC Motor is a compact, high-performance motion control solution designed for precision-driven applications. It combines a high-torque outer rotor BLDC motor with a factory-integrated AS5600 magnetic encoder, enabling accurate position, speed, and angle feedback for advanced control systems.
Optimized for Field-Oriented Control (FOC), this motor ensures smooth torque delivery, low noise, high efficiency, and stable operation, making it ideal for robotics, camera gimbals, automation systems, servo systems, and FOC development platforms.
With a 24V rated operation, 1100RPM rated speed, 0.35Nm torque output, and 12-bit encoder resolution, this motor is a powerful and reliable choice for projects requiring precise motion control.
Key Features
-
High-torque outer rotor design for demanding motion applications
- Integrated AS5600 magnetic encoder for precise position and speed feedback
-
FOC-ready architecture for smooth, efficient, and low-noise operation
-
24V rated operation suitable for robotics and industrial systems
- Supports I2C, PWM, and analog encoder output
-
Hollow shaft design for easier cable routing and mechanical integration
- Compact, durable, and optimized for closed-loop control applications
- Compatible with SimpleFOC and common development boards
Technical Specifications
Motor Specifications
| Specification |
Details |
| Brand |
DFRobot |
| Applicable Voltage |
DC 12V – 36V |
| Rated Voltage |
12V / 24V |
| Rated Current |
0.65A @ 12V, 1.4A @ 24V |
| Maximum Current |
4A |
| Rated Power |
8W @ 12V, 33W @ 24V |
| Rated Speed |
610RPM @ 12V, 1100RPM @ 24V |
| Rated Torque |
0.15Nm @ 12V, 0.35Nm @ 24V |
| Maximum Torque |
0.12Nm @ 12V, 0.3Nm @ 24V |
| Number of Slots |
24N22P |
| Number of Pole Pairs |
11 |
| Winding Resistance |
4.8 Ohm |
| Phase Resistance |
7.2 Ohm |
| KV Rating |
61KV |
| Phase Inductance |
2.6mH |
| Stator Diameter |
40mm |
| Stator Height |
15mm |
| Shaft Diameter |
10mm |
| Hollow Shaft Aperture |
7.5mm |
| Winding Turns |
55T / Wire Diameter 0.24mm |
| Single Motor Dimensions |
45 × 26 mm |
| Operating Temperature |
0°C to 60°C |
Encoder Specifications
| Specification |
Details |
| Operating Voltage |
3.3V |
| Chip Model |
AS5600 |
| Resolution |
12-bit |
| Accuracy |
0.087° |
| Output Method |
I2C, PWM, Analog Output |
| Default Output |
I2C |
| Output Switching |
Grounding the PGO pin enables PWM / Analog output |
| Interface |
GH1.25-4Pin |
Integrated High-Precision Magnetic Encoder
This motor includes a factory-integrated AS5600 magnetic encoder that delivers 12-bit position resolution with an angular measurement accuracy of 0.087°. This high-resolution feedback is essential for implementing closed-loop FOC systems, allowing accurate control of:
- Motor position
- Rotation speed
- Torque output
The encoder supports I2C, PWM, and analog outputs, making it highly adaptable for different embedded control systems.
Optimized for Field-Oriented Control (FOC)
The 4015 BLDC motor is specifically designed for FOC (Field-Oriented Control), also known as vector control. Compared to conventional motor control methods, FOC offers:
- Smoother motion
- Reduced torque ripple
- Lower operational noise
- Improved efficiency
- Better low-speed stability
This makes the motor ideal for applications where quiet, precise, and stable motion is required.
High-Torque Hollow Shaft Design
Built with a neodymium iron boron outer rotor and a durable aluminum alloy housing, this motor offers a strong torque-to-size ratio while maintaining compact dimensions.
Its 7.5mm hollow shaft design allows wires or mechanical components to pass through the motor center, making it especially useful for:
- Robotic joints
- Gimbal systems
- Compact automation assemblies
- Cable-managed rotating systems
Broad Compatibility & Open-Source Support
This motor is fully compatible with the SimpleFOC ecosystem, making it ideal for developers, students, and engineers working on advanced motor control projects.
It can be easily integrated with popular development platforms such as:
- Arduino
-
Espressif Systems (ESP32)
- Raspberry Pi
This broad support helps accelerate rapid prototyping, learning, and deployment.
Applications
Suitable for:
- Robotic joints
- Robot arms
- Legged robots
- Camera gimbals
- PTZ (Pan-Tilt-Zoom) systems
- High-precision servo systems
- FOC algorithm development
- Motion control learning platforms
- Compact automation systems
Resources