TQC Micromotor
Explore our leading engineered permanent magnet brushed motors and planetary systems, certified for smart home automation, automotive, and demanding ventilation setups.
At TQC Micromotor, we believe that global innovation shouldn't be limited by size. For two decades, we have dedicated ourselves to a single, relentless pursuit: designing, engineering, and manufacturing high-performance micro-drive solutions that keep modern industries moving forward. Based in China, we operate a state-of-the-art, ISO9001-certified production facility specializing in Micro DC Motors, DC Gear Motors, and Brushless DC Motors (BLDC).
The name TQC represents our foundational pillars: Top Quality & Customization. We understand that applications like smart home automation, medical devices, automotive electronics, and precision robotics demand uncompromised reliability. That is why every TQC micro motor is built with an exceptional power-to-size ratio, ultra-low noise acoustics, and an extended operational lifespan, backed by strict 100% in-house quality control and international certifications (CE, RoHS, REACH).
We don’t just supply standard hardware; we act as a strategic R&D partner. With a robust engineering team holding multiple industry patents, TQC thrives on solving complex mechanical challenges through flexible OEM/ODM custom solutions. From custom shaft configurations and custom voltage tuning to specialized bespoke gearheads, we turn your technical blueprints into high-volume, cost-effective reality.






By utilizing state-of-the-art materials, custom electromagnetic layouts, and flexible gear ratios, we provide unmatched torque density and system resilience.
For applications where acoustics, mechanical flexibility, and overload protection are paramount, the Belt-Driven Gear Motor represents a critical design path. Unlike rigid direct-coupling gearheads, belt-driven configurations introduce a mechanical buffering layer that isolates the electrical armature from shock loads and dampens high-frequency gear mesh vibrations.
Micro-drives operating in smart home systems or medical instruments must control resonance. Elastomeric micro-belts prevent structure-borne noise from propagating, keeping noise below 35dB.
If the final driven assembly encounters an obstruction (e.g., smart blind jamming), the belt acts as a natural friction-based torque limiter. This prevents internal gear tooth shear.
Designing physical linkages in cramped envelopes is challenging. A belt-driven setup allows variable motor placement relative to the output shaft, avoiding expensive offset gears.
By pairing high-efficiency permanent magnet DC motors (such as our LF4580S or RS7512 series) with precision belt-drive configurations, operators achieve high-speed inputs and smooth, high-torque outputs. This system architecture minimizes backlash, optimizing positioning accuracy in smart home blind actuators, lab instruments, and marine controls.
Under strict ISO9001:2015 management guidelines, TQC controls every critical phase of manufacturing—from raw stator winding to silent-room acoustics testing.
Micro-drives must operate under varying environmental and electrical conditions depending on the industry and region. TQC designs specifically for these local operational contexts:
Modern homes integrate motorized shades, automated door lock assemblies, and robotic vacuum systems. Our motors, including the L6288 and RS7712, feature specialized belt configurations that eliminate gear noise, ensuring quiet operation in residential spaces.
Marine environments subject components to high humidity and salt spray. Bilge exhaust fans and blower units rely on custom double-sealed micro motors. By using marine-grade grease, anti-oxidation treatments on the carbon brushes, and high-strength plastic gear housings, TQC motors remain reliable in harsh maritime conditions.
Online distribution hubs rely on continuous sorting operations. Micro belt-driven motors drive complex sensor-guided belt conveyors. The belt buffers the motor from sudden changes in package weight, ensuring consistent operation and minimal maintenance downtime.
Diagnostic equipment requires precise positioning. Belt-driven gear motors isolate electromagnetic feedback and high-frequency harmonics. This prevents interference with medical imaging sensors and liquid-handling assay systems.
As a global exporter, TQC Micromotor leverages China's industrial infrastructure to deliver high-quality, cost-efficient solutions. Our manufacturing model is designed to support international clients through:
We source raw materials—including rare-earth NdFeB magnets, high-purity copper wires, and hardened gear steels—from specialized local suppliers. This structural proximity reduces lead times and insulates production from raw material price spikes.
TQC's design engineers can produce custom shaft modifications, custom voltage designs, and custom mounting plates within 7 to 10 working days, helping clients accelerate their development cycles.
Our proximity to major shipping terminals in Shenzhen and Guangzhou enables efficient ocean, air, and multimodal transport options. TQC handles all export documentation, customs clearance, and compliance verification.
This table compares our core brushed permanent magnet motors, showing operational metrics across standard load parameters. Custom windings are available upon request.
| Motor Model / Type | Nominal Voltage (V) | No-Load Speed (RPM) | Output Power (W) | Peak Torque (g.cm) | Typical Applications |
|---|---|---|---|---|---|
| 28JX390 (Planetary) | 14.4 V | 437 RPM | 19.74 W | 5062 g.cm | Boat Fan systems, Smart home blinds, Small linear actuators |
| L6288 (Brushed DC) | 12 V | 3018 RPM | 28.25 W | 900 g.cm | Automated window actuators, Marine blowers, Smart kitchen accessories |
| LND L4275 (Panel Mount) | 24 V | 3540 RPM | 35.00 W | 495.6 g.cm | Boat utility fans, Laboratory automation, Dosing pumps |
| RS390XL / RS395 | 14.4 V | 10500 RPM | 21.00 W | 180 g.cm | High-velocity hand dryers, Vacuum motors, Micro cooling blowers |
| LF4580S (High Torque) | 24 V | 4020 RPM | 18.89 W | 450 g.cm | Robotic vacuum systems, Medical scanners, Smart locks |
| RS7712 (High Voltage) | 120 V | 9500 RPM | 75.00 W | 850 g.cm | Home appliances, Direct line-voltage blowers, Industrial mixers |
As industrial automation, home robotics, and medical devices evolve, TQC is expanding its product capabilities to support the next generation of drive systems:
To support applications requiring longer operational lifespans and higher efficiency, TQC is expanding its brushless motor lineup. By integrating digital controllers directly into the motor housing, our brushless motors eliminate carbon brush wear, extending service life to over 20,000 hours.
Modern applications require precise speed and position control. We are integrating magnetic Hall-effect encoders and optical sensors directly into our standard gearboxes. This enables real-time speed monitoring, position feedback, and automated overload detection.
TQC works with composite material suppliers to design micro-belts reinforced with Kevlar and carbon fiber. These materials resist stretching, withstand extreme temperatures (-40°C to +85°C), and maintain constant tension over long operational lifespans.
To meet global environmental regulations, TQC is optimizing its manufacturing lines for material efficiency. This includes using lead-free soldering and recyclable plastics, and minimizing raw material waste in our stamping and winding processes.
Find answers to common questions about our design options, customization process, quality control, and shipping procedures.
Browse our specialty line of permanent magnet and worm gearbox micro motors, optimized for home automation and industrial tasks.