Ring PCB：Custom high power supply PCBA for electric motorcycle drive boards with thick copper, multi-protection circuits and full turnkey assembly
RingPCB provides custom high power supply PCBA solutions for electric motorcycle drive boards, supporting stable high-current output for BLDC motor control systems.
The PCBA shown in the product image uses six automotive-grade power MOSFET modules and two high-temperature resistant electrolytic capacitors. Moreover, the thick copper PCB design improves current handling capability and thermal performance.
In addition, this e-bike controller PCBA integrates overvoltage, overcurrent, overheating, and short-circuit protection circuits. Therefore, it delivers reliable operation under vibration, shock, and outdoor temperature changes.
Core Product Advantages
- Heavy thick copper PCB design: 2–4oz copper layers reduce thermal resistance, preventing burnout under long-term high-load driving, improving power conversion efficiency and extending vehicle cruising mileage.
- Complete multi-safety protection mechanism: Built-in temperature sensing, current limiting and fault self-locking modules to avoid motor and battery damage under abnormal operating conditions.
- Outstanding environmental adaptability: High-Tg FR-4 substrate plus industrial conformal coating, stable working range from -40℃ to 125℃, resistant to vibration, dust and moisture for long-term outdoor vehicle use.
- Compact integrated structure (visible on the product photo): Neatly arranged power tubes and high-temperature capacitors, pre-soldered A/B/C three-phase motor cables and power positive/negative wires, greatly simplifying vehicle assembly procedures.
- Smooth sine wave drive algorithm: Output low-noise and low-jitter torque, optimizing riding comfort and lowering motor mechanical wear.
- Global standard certification: RoHS, REACH, CE, ISO9001 certified, fully compliant with market access standards of Europe, North America and Southeast Asian electric vehicles.
Application Fields
- Light electric two-wheelers: 36V/48V urban electric scooters, daily commuter e-bikes
- High-power electric motorcycles: 60V–120V high-speed electric motorbikes, off-road electric vehicles
- Electric tricycles: Cargo transport three-wheelers and passenger e-rickshaws
- Light mobility devices: Electric balance scooters, sightseeing carts, small delivery electric vehicles
- Custom BLDC motor drive modules for two-wheeler OEM & ODM manufacturers
3. Common Technical Parameters of High-power Supply PCBs
We provide the following parameters for reference only. However, we can fully customize actual specifications based on customer requirements and application needs. Therefore, please contact our professional sales team for detailed consultation
High-power Supply PCBA acts as the core electronic backbone of high-current power conversion systems, widely deployed in EV charging infrastructure, grid-tied energy storage inverters, industrial motor drives and high-efficiency server power supply units. Unlike standard low-power circuit boards, these assemblies must withstand sustained high voltage, elevated operating temperatures and harsh electromagnetic environments — substandard PCB fabrication or assembly processes will directly trigger thermal failure, shortened service life and costly on-site maintenance.
| Parameter | Standard Specifications | Customizable Options |
| Layers | 2–40 layers (multi-layer/HDI designs) | Layer count can be adjusted according to requirements, supporting complex multi-layer and HDI designs. |
| Copper Thickness | 3 oz to 20 oz (continuous current: 10A–500A) | Copper thickness can be customized, ranging from 3 oz to 20 oz, to meet different current requirements. |
| Surface Finish | HASL (Lead-Free), ENIG, Immersion Silver, OSP, Gold Plating | Surface finish types are optional, including lead-free HASL, ENIG, immersion silver, OSP, etc. |
| Thermal Management | Metal Core PCBs (Al/Cu substrates), Thermal Vias, Heat Sinks | Thermal management solutions can be customized, such as metal core PCBs, thermal vias, and heat sink designs. |
| Material | FR-4, Ceramic, Rogers Laminates (high dielectric strength) | Materials are optional, including FR-4, ceramic, Rogers laminates, and other high dielectric strength materials. |
| Testing & Inspection | AOI, X-Ray, Flying Probe Testing, Microsection Analysis, UL/CE Certification | Testing methods include AOI, X-Ray, flying probe testing, etc., complying with UL and CE certification standards. |
| Minimum Line/Wire Spacing | 0.15mm/0.15mm (high-density routing) | Minimum line/wire spacing can be customized to support high-density routing. |
| Voltage/Current Range | 50V–10kV (voltage), 10A–500A (current) | Voltage and current ranges can be customized to meet different application requirements. |
| Work Temperature | -55°C to +180°C (extreme environments) | Operating temperature range can be adapted to extreme environments, from -55°C to +180°C. |
| Certifications | UL 60950, IPC-6012 Class 3, RoHS Compliance | Additional certifications can be arranged based on specific market or application needs. |
| Customization | — | Layer count, copper thickness, surface finish, thermal management solutions, materials, and voltage/current ranges are all customizable |
Custom Power Supply PCBA Solutions
RingPCB delivers tailored power supply PCBA solutions that provide stable and high-efficiency power performance. These solutions serve industrial, medical, automotive, and smart device applications. In addition, they follow strict PCB fabrication and precision PCBA assembly standards.
Power supply PCBA acts as the core power-bearing component in electronic equipment. Therefore, it requires strong thermal resistance, stable current control, anti-interference capability, and long service life. However, standard boards often fail to meet customized requirements such as high current output, low power consumption, wide voltage adaptation, and continuous load operation. As a result, custom power supply PCB and PCBA manufacturing becomes essential for high-reliability applications.
RingPCB offers fully customized power supply PCBA services. These include circuit design, high-current copper thickness customization, thermal optimization, precise impedance control, and full-process assembly manufacturing. In addition, we support heavy copper PCB production, high-temperature resistant materials, and advanced heat dissipation structures. This ensures stable power output and reduces failure rates during long-term operation.
Every custom power supply PCBA goes through strict multi-stage quality testing. For example, we use AOI optical inspection, X-ray soldering inspection, LCR component testing, and functional aging tests. With standardized production systems and certifications such as ISO9001, ISO13485, and IATF16949, we ensure consistent batch quality and reliable performance.
Backed by 18 years of manufacturing experience, RingPCB operates a 10,000㎡ modern factory supported by an experienced engineering team. We provide fast 3-day prototyping and 7-day mass production. Moreover, we support both small-batch trials and large-scale orders, delivering cost-effective and stable power supply PCBA solutions worldwide.
ringPCB workshop
RingPCB SMT lines
Why Choose RingPCB?
- 18 Years of Expertise – We have strong experience in multilayer PCB stack-up design and lamination
- Fully Integrated Factory – PCB fabrication, SMT assembly, and testing are completed in one system
- Strict Quality Control – We perform 100% E-testing, AOI inspection, and functional testing
- Flexible Order Options – We support prototypes and mass production with consistent quality
- Custom PCB Solutions – We work based on Gerber files, BOMs, and assembly drawings
- Certified Manufacturer – UL, ISO9001, ISO14001, ISO13485, IATF16949 certified
All processes comply with international standards for safety, durability, and performance.
