Micro Brushless Motor Manufacturer
A micro brushless motor is a small-sized electric motor that uses brushless technology for propulsion. The motor comprises a stator and a rotor with permanent magnets attached on. The absence of brushes eliminates the friction, resulting in greater efficiency, longer lifespan and quieter operation.A micro brushless motor typically measures less than 6mm in diameter, making it an excellent choice for tiny devices：Especially robots, wearable devices and other micro-mechanical applications where the compact size and high performance are critical.
As a professional micro brushless motor manufacturer and supplier in China, we can meet customers' needs with custom high quality brushless motor. If you are interested, welcome to contact Leader Micro.
What We Produce
Micro brushless motors can achieve very high speeds and provide precise control, but they are also more complex and expensive than brushed motors. Nonetheless, their superior performance and reliability make them the preferred choice for many applications that demand compactness and efficiency.
Our company currently offers four models of brushless motors with diameters ranging from 6-12mm. We have different diameter options available to meet the high-speed requirements of various applications. We are constantly improving our brushless motor designs to stay ahead of industry trends and meet the evolving demands of our customers.
FPCB Type
Lead Wire Type
| Models | Size(mm) | Rated Voltage(V) | Rated Current (mA) | Rated(RPM) | Voltage(V) |
| LBM0620 | φ6*2.0mm | 3.0V DC | 85mA Max | 16000±3000 | DC2.5-3.8V |
| LBM0625 | φ6*2.5mm | 3.0V DC | 80mA Max | 16000±3000 | DC2.5-3.8V |
| LBM0825 | φ8*2.5mm | 3.0V DC | 80mA Max | 13000±3000 | DC2.5-3.8V |
| LBM1234 | φ12*3.4mm | 3.7V DC | 100mA Max | 12000±3000 | DC3.0-3.7V |
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Application
Having a full-wave band IC inside to replace traditional brushes, the brushless motor has stronger vibration force, longer lifetime and even smaller size. The micro brushless motor is mainly used in the following products:
Watches
Micro brushless motors are commonly used in smartwatches to control the vibration function. They provide precise and reliable haptic feedback, alerting users of incoming notifications, calls or alarms. The micro motors are small, lightweight and consume very little power, making them ideal for use in wearable technology.
Medical devices
Micro brushless motors are frequently employed in medical devices due to their small size, high efficiency and precise control. Dental drills, surgical instruments and prosthetic devices are medical devices that benefit from these motors. Using 3V micro brushless motors in medical can produce better outcomes for patients, including faster procedures, smoother movements and improved control. By enhancing the precision and efficiency of medical devices, these motors can help to enhance patient comfort and overall outcomes.
Beauty devices
Micro brushless motors are often used in beauty devices, such as facial massagers, hair removal devices and electric shavers. These devices rely on the motor's vibration to perform their intended functions. The micromotor's compact size and low noise make them ideal for handheld beauty devices.
Robots
Micro brushless motors are extensively used in small robots, drones and other micro-mechanical systems. The motors provide precise and high-speed control, which is essential for these devices to operate efficiently. They are used in various robot applications, such as propulsion, steering and movements.
In summary, micro brushless motors offer precise control, low noise and high efficiency. They are often preferred over traditional brushed motors for their many benefits.
What is difference between brushless motor and brushed motor?
Brushless motors and brushed motors differ in several ways, including their design, efficiency, and maintenance requirements.
In a brushed motor, carbon brushes and a commutator deliver current to the armature, which causes the rotor to rotate. As the brushes and commutator rub against each other, they produce friction and wear over time, reducing the motor's lifespan. Brushed motors can also generate more noise due to the friction, which can be a limiting factor in some applications.
In contrast, brushless motors use electronic controllers to excite the motor's coils, delivering current to the armature without the need for brushes or a commutator. This design eliminates the friction and mechanical wear associated with brushed motors, leading to improved efficiency and longer lifespan. Brushless motors are also generally quieter and produce less electromagnetic interference than brushed motors, making them suitable for use in sensitive electronic applications. Additionally, brushless motors have a higher power-to-weight ratio and greater efficiency than brushed motors, especially at high speeds. As a result, they are often preferred in applications that demand high performance and efficiency, such as robotics, drones, and electric vehicles. The main disadvantages of brushless motors include their higher cost, as they require electronic controllers and more complex design. However, as technology progresses, the cost of brushless motors is becoming more competitive.
In summary, while brushed and brushless motors offer similar functionality, brushless motors provide greater efficiency, longer lifespan, reduced noise, and less mechanical wear.
The lifespan of brushless motor
The lifespan of a brushless motor is primarily dependent on several factors, such as its build quality, operating conditions and maintenance practices. Generally, brushless motors have a longer lifespan than brushed motors due to their more efficient design, which reduces mechanical wear and tear. It should be noted that the motor must be assembled to the terminal device within six months of shipping date. If the motor has not been used for more than six months, it is recommended to activate the motor with electricity (powered on for 3-5 seconds) before use to achieve the best vibration effect.
However, several factors can impact the lifespan of a brushless motor. For instance, if a motor is operated beyond its design parameters or exposed to adverse conditions, its performance will degrade rapidly and its lifespan will be reduced. Similarly, improper maintenance practices can cause the motor to wear quickly, leading to increased downtime or even motor failure.
Ensuring proper operation and maintenance is essential for prolonging the lifespan of brushless motors. Appropriate installation practices, regular maintenance, and an adequate supply of clean power can help extend the motor's lifespan. Regular inspection of the motor, including part replacement and cleaning, which can help to identify issues before they cause significant damage.
How To Control A 3v Small Brushless DC Motors?
Controlling small brushless DC motor requires a few steps, which are as follows:
A motor driver generally includes a control circuit and power circuit. It provides power to the motor, allows for the control of motor speed and direction. Depending on the specific application, choose a motor driver that is compatible with a brushless DC motor.
Brushless motors have specific characteristics, such as voltage range, speed, torque, and power. These specifications are essential to ensure that the motor is compatible with the selected motor driver.
Many motor drivers include a control circuit that allows for the programming of the motor's operation. This includes setting up the PWM signal frequency and duty cycle, which can be optimized depending on the desired motor speed and torque. It's important to correctly program the control circuit to ensure optimal motor performance.
The motor power and ground leads must be correctly connected to the motor driver's output terminals. Ensuring the correct polarity is critical to preventing motor damage or reverse rotation.
Before the final deployment, it's important to test the motor system to verify its performance and identify any potential issues. This can include checking motor speed, direction and any abnormal noise or vibration. If any issues are found, debugging is necessary, including reprogramming the control circuit and adjusting the motor driver settings.
With these steps, one can control a 3V small brushless DC motor effectively. By selecting the appropriate motor driver and programming the control circuit, optimal motor performance can be achieved for various applications.
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Micro Brushless Motor FAQ
A: When selecting a brushless motor, critical parameters should be considered. Including rated voltage, rated current, rated speed and power consumption. The motor's size and weight should also be evaluated to make sure it fits the intended application.
A: 3V brushless motors are smaller and lighter than many other types of brushless motors, which makes them ideal for use in small-scale applications. However, they are generally less powerful than larger brushless motors.
A: Yes, but they must be adequately protected from moisture and extreme temperatures that can cause damage.
A: Yes. A motor driver is essential for controlling the motor's speed, direction of rotation and delivering the precise amounts of current required by the motor. Without a motor driver, the motor would not operate correctly, while its performance and lifespan would be compromised.
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