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New Energy Vehicle On-board Charging Equipment PCB Assembly​

The new energy vehicle on-board charging equipment PCB is a built-in "energy replenishment core" for electric vehicles, designed to convert AC grid power into DC for battery charging. It withstands vehicle-mounted environments such as vibrations, temperature extremes, and voltage fluctuations, integrating high-efficiency rectifier circuits, power factor correction modules, and safety protection mechanisms. Supporting multiple charging standards, it adjusts charging power and current according to battery status, ensuring fast, safe, and efficient charging. Compatible with pure electric and hybrid vehicles, it enables convenient charging at home or public AC charging stations, with reliable performance and compact design.​

    New Energy Vehicle On-board Charging Equipment PCB Assembly--STHL

    Early challenges in new energy vehicle (NEV) on-board charging equipment adoption—such as weak charging signal capture, electromagnetic interference (EMI), and poor electrical safety isolation in high-voltage vehicle environments—have been overcome by specialized PCB assembly technologies, particularly high-power rigid-flex PCBs and high-precision surface mount technology (SMT). These innovations effectively enhance the sensitivity of analog front-ends for capturing faint charging voltage and current signals, while integrating multi-layer EMI shielding layers to eliminate interference from vehicle electrical systems and external power sources. Rigid-flex PCBs, in particular, balance compact form factors with reliable high-power signal transmission, supporting the miniaturization of on-board charging modules without compromising charging efficiency and safety. This technological leap has enabled new energy vehicle on-board charging equipment PCB assemblies to outperform traditional charging circuits in key areas:

    • Superior Signal Integrity

      Advanced impedance-controlled routing and ultra-low-loss PCB substrates minimize signal attenuation during the capture and regulation of weak charging signals. Equipped with high-resolution (≥16-bit) ADC integration, they ensure the accuracy of real-time charging parameter waveforms (voltage, current, charging power), laying the foundation for precise charging control and battery protection.
    • Versatile Form Factor Adaptability

      Compliant with IEC 61851 and UL 2580 NEV charging safety standards, the assemblies adopt reinforced isolation designs (such as opto-isolation and galvanic isolation) to prevent electrical leakage and short-circuit risks in high-voltage vehicle systems. High-temperature resistant and flame-retardant materials used in PCB substrates and conformal coatings also support flexible adaptation to diverse NEV types (pure electric, hybrid), ensuring safety for long-term on-board operation.
    • Reliable Long-Term Operation

      ENIG (Electroless Nickel Immersion Gold) surface finishes and waterproof, dust-proof conformal coatings (IP67 rating) provide excellent corrosion resistance, moisture protection, and tolerance to vehicle vibration. Combined with rigorous temperature cycling (-40°C to 125°C), vibration, and thermal shock testing, the assemblies maintain stable performance in harsh vehicle environments (engine compartments, under-chassis) and during long-term continuous charging.

    Key Applications Across New Energy Vehicle Sectors

    New energy vehicle on-board charging equipment PCB assembly technology powers safe and efficient charging in diverse NEV scenarios, supporting reliable vehicle operation, fast charging, and battery lifespan extension.

    Pure Electric Passenger Vehicles

    On-board charger (OBC) PCBs and integrated charging modules, featuring fast charging and intelligent battery protection functions, integrated with vehicle control units (VCU) for seamless data sharing and charging process optimization.

    Commercial New Energy Vehicles

    Heavy-duty NEV on-board charging PCBs and high-power charging modules, built with rugged enclosures and anti-interference circuits to ensure stable performance in electric buses, trucks, and logistics vehicles, facilitating efficient daily operation.

    Hybrid Electric Vehicles (HEV/PHEV)

    Dual-mode on-board charging PCB assemblies and hybrid power charging devices, leveraging low-power consumption design and bidirectional charging technology for 24/7 stable operation, without disrupting vehicle driving and energy recovery.

    NEV Charging Upgrade & Retrofit

    Retrofit on-board charging PCB modules and fast-charging upgrade kits, supporting real-time charging parameter monitoring and charging efficiency improvement, providing reliable technical support for NEV charging system upgrades and performance optimization.

    Why STHL PCBA should be your top choice for your LED PCBA needs?

    Let's explore the top 10 reasons why!

    Real Factory

    STHL PCBA is a real factory with 10,000+m² highly automated, dust-free factory,7 SMT lines, 2 DIP lines, 2 FCT lines, and 2 box building assembly lines. 

    Quality Guarantee

    We buy components from famous international platform like Mouser, Digikey, Farnell, Future, Avnet, Arrow or the agents. No components substitutes without customers approval!

    Rich Experience

    20+ years of experience in PCB & PCBA field.

    Cost Dowm

    Professional engineering team supports cost down.

    Global Sourcing

    500k parts with 100+ agents and suppliers.

    No MOQ

    No minimum order requests, we accept both prototype and volume quantity orders.

    Fully Certified

    With IATF16949, ISO9001, ISO14001, ISO13485 Certifications.

    NDA

    We ensure all of your projects documents security and sign NDA before RFQ.

    Intelligent Management

    Use Intelligent ERP system, MES (manufacturing execution system) for fast tracking.

    Fast Delivery

    Prototype orders will be fast completed and delivered, mass orders lead time is 4~5 weeks.

    About STHL PCB & PCBA

    LED PCB Assembly Revolutionizing Lighting Technology with Precision and Per (1)

    Shenzhen STHL Technology Co., Ltd. is a high-quality provider of electronics manufacturing services (EMS) in China, we serve customers worldwide along the whole industry chain including product design, material sourcing, PCBA production, cable assembly, box build assembly and comprehensive testing services.

    Established in 2006, we have more than 20 years of experience in electronics contract assembly manufacturing. Currently, we employ more than 220 staff members. Our 10,000 sqm facilities include 7 surface-mount technology (SMT) production lines, 2 through hole technology (THT) lines , 2 function testing lines and 2 box build production lines.

    At STHL, we provide electronics assembly services for energy power, communications, consumer electronics, computers & storage, safety & security, commercial and industrial products. Customers mainly from United States, Brazil, United Kingdom, Germany, Spain, Italy, Poland and . As an IATF16949,ISO9001, ISO14001, and ISO13485 certificated electronics assembly manufacturer, we produce products exactly comply with ROHS standard and quality guarantee. Based on our excellent engineering and production capacities in technical areas such as materials analysis & storage, advanced equipment, reliability testing (AOI, X-RAY, ICT test and function test), high effective SMT and THT assembly, we are recognized as a long-term reliable PCBA vendor by more and more customers wordlwide.

    Products Capability

    Items

    PCB capacity

    PCB name

    LED PCB Assembly: Revolutionizing Lighting Technology with Precision and Performance

    Material

    FR-4; High TG FR-4; Aluminum; CEM-1; CEM-3; Rogers, etc

    PCB type

    Rigid, flexible, rigid-flexible

    Layer NO.

    1, 2, 4, 6, up to 24 layer

    Shape

    Rectangular, round, slots, cutouts, complex, irregular

    Max PCB dimensions

    1200mm*600mm

    Board Thickness

    0.2mm-4mm

    Thickness Tolerance

    ±10%

    Min Hole Size

    0.1mm (4 mil)

    Copper Thickness

    0.5 OZ-3OZ (18 um-385 um)

    Copper Plating hole

    18um-30um

    Min Trace Width

    0.075mm (3mil)

    Min Space Width

    0.1mm (4 mil)

    Surface finish

    HASL, LF HASL, Imm Gold, Imm Silver, OSP etc

    Solder mask

    Green, red, white, yellow, blue, black, orange, purple

    Assembly details

    SMT and Thru-hole, ISO SMT and DIP lines

    Testing on products

    Testing jig/mold , X-ray Inspection, AOI Test, Functional test

    Quantity

    Min quantity : 1pcs. Prototype, small order, mass order, all OK

    Products Capability

    Files needed

    PCB : Gerber files(CAM, PCB, PCBDOC)

    Components : Bill of Materials(BOM list)

    Assembly : Pick-N-Place file

    PCB Panel Size

    Min size : 0.25*0.25 inches(6*6mm)

    Max size : 1200*600mm

    Components details

    Passive Down to 0201 size

    BGA and VFBGA

    Leadless Chip Carriers/CSP

    Double-sided SMT Assembly

    Fine BGA Pitch to 0.2mm(8mil)

    BGA Repair and Reball

    Part Removal and Replacement

    Component package

    Cut Tape, Tube, Reels, Loose Parts

    PCB+ assembly process

    Drilling---Exposure---Plating---Etaching & Stripping---Punching---Electrical Testing---SMT---Wave

    Soldering---Assembling---ICT---Function Testing---Temperature & Humidity

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    Digital Innovation

    APPhored (7)
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    Digital Innovation

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    Digital Innovation

    Material are (1)
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    Digital Innovation

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    Digital Innovation

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    How to Get Started with STHL

    Ready to partner with us for your LED PCB Assembly project? Here’s how you can get started

    • Contact Us

      Contact Us

      Reach out to our sales team via phone, email, or online chat to discuss your project requirements.
    • Professional Expertise (2)

      Provide Design Files

      Send us your PCB design files (Gerber, BOM, etc.) for a detailed quote.
    • Cost-Effective Solutions

      Get a Quote

      We will provide you with a comprehensive quote, outlining all costs and timelines.
    • Delivery

      Production and Delivery

      Once the quote is approved, our team will begin production, ensuring your PCB assembly is completed on time and to the highest quality standards.

    Make an free consultant

    Whether you need PCB Fabrication or PCBA Assembly Service, STHL delivers innovation and reliability.

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