BIR028 3.7V Mini BLDC Motor

High Speed Sensorless Brushless DC Motor for Personal Care & Portable Devices

Product Overview

BIR028 is a compact and efficient 3-phase 4-pole sensorless brushless DC motor designed for portable electronic products requiring high-speed rotation, stable performance and long operating life.

Powered by 3.7V DC, this miniature BLDC motor supports an operating voltage range of 3.0V~4.2V DC, providing reliable power output for battery-powered applications. With a no-load speed of up to 9,600 RPM, BIR028 delivers smooth and efficient driving performance in compact product designs.

Designed with optimized electromagnetic performance, Y-connected winding structure and ball bearing support, BIR028 provides a reliable motor solution for personal care devices and customized applications.

Performance Of Motors

1.Rated Voltage：3.7 V

2.No-load Speed：9600 rpm

3.No-load Current：0.85 A

4.Rated Speed：8500 rpm

5.Load torque：50 g·cm

6.Stall Torque：400 g·cm

7.Stall current：12 A

8.Insulation Class：Class B

Why Choose BIR028?

✅ Compact miniature BLDC motor design
✅ High-speed 9600RPM performance
✅ Sensorless brushless structure
✅ 3.7V rechargeable battery compatible
✅ Stable torque output
✅ Low noise operation
✅ Long lifetime tested
✅ OEM/ODM customization available

OEM / ODM Customization Service

We provide professional customized motor solutions:

✔ Voltage customization
✔ Speed adjustment
✔ Torque optimization
✔ Shaft structure customization
✔ Wire configuration customization
✔ Application-specific motor development

From prototype design to mass production, we support customers with reliable miniature BLDC motor solutions.

• Our brushless DC motor delivers stable, durable and efficient operation, suitable for Hair Clippers, Barber Shears and Household Appliances. Custom orders are welcomed.

Company Profile:

Jiangxi Changlong Micromotor Co., Ltd. (Weitelong)

Company Overview

Jiangxi Changlong Micromotor Co., Ltd., operating under the brand "Weitelong," is a premier high-tech enterprise with roots dating back to its establishment in 2010. With a significant investment and a modern facility located in the Furongshan Industrial Zone, Duchang County, we specialize in the design, development, and manufacturing of high-precision micro DC motors. Our mission is to achieve excellence in everything we do, delivering superior motor solutions grounded in our core values of innovation, reliability, and unwavering commitment to quality.

Our Products & Core Technologies

We are a leading manufacturer of micro DC motors, with a primary focus on Brushed DC Motors and a strong secondary portfolio in Brushless DC Motors (BLDC). Our motors are engineered for a wide array of applications, including personal care devices, automotive accessories, smart home appliances, office equipment, and power tools. Our core expertise lies in providing customized solutions to meet specific OEM/ODM requirements.

Manufacturing Capabilities

We boast a robust monthly production capacity of 8 million units, supported by advanced automated production lines and lean manufacturing processes. This ensures consistent quality and scalable supply for our global customers.

Quality Control & Certifications

Our commitment to quality and environmental responsibility is demonstrated by our certifications. Our products and processes are compliant with international standards, including: ISO9001 (Quality Management)ISO14001 (Environmental Management)CE (Product Safety)RoHS (Restriction of Hazardous Substances)

Our Commitment

• Proven Experience: Over a decade of expertise since our founding in 2010.

• Technical Support: Dedicated engineering team for custom solutions and ongoing support.

• High Volume & Reliability: Mass production capacity ensures timely delivery.

• Quality Assurance: Comprehensive certifications like CE and RoHS guarantee product safety and environmental compliance.

Work Shop:

Certifications: