Xingqiang Custom High‑Precision Automotive HDI PCB:

This is Xingqiang Circuit Board’s custom 6‑layer HDI automotive PCB, a high‑precision multilayer circuit board designed for automotive electronics, communication, and industrial control. Built with high‑TG FR‑4 material, it features excellent high‑temperature resistance, fine line capability, and professional surface finishing (ENIG/HASL/OSP). It delivers stable signal transmission, strong anti‑interference, and long‑term reliability under harsh conditions. Supporting full customization from prototype to mass production, it complies with strict automotive quality standards and is ideal for ECU, BMS, ADAS, and other critical vehicle electronic applications.

Automotive PCB Key Features

Production Requirements of Automotive Electronic PCB Board

Customers are required to provide Gerber Files and a Bill of Materials (BoM) list. These essential documents ensure that the manufacturing process is accurate and efficient, resulting in high-quality boards that meet the desired specifications.

Normally Gerber Files Included:

1.Pcb Type(Single/Double/Multi-layer/HDI)

2.Board Thickness(1.2/1.6/1.0/0.8mm)

3.Oil Ink Color(Green,Red,White,Black,Blue)

4.Surface Treatment Process(OSP,HASL,ENIG,Lead,Lead Free)

5.Solder mask requirements

6.Silkscreen requirements ect,.

Key Manufacturing Technical Challenges of Automotive PCBs

1.Extreme Environment Adaptability:Specialized substrates (high-TG FR-4, MCPCB) require optimized lamination to maintain structural and electrical stability across -40°C to 125°C, resist continuous vibration, and endure high humidity without performance loss.
2. High-Precision Trace Processing:High-resolution photolithography is needed to create ultra-fine lines/spaces (≤0.1mm) for HDI boards, with strict copper thickness control to minimize signal loss and crosstalk for ADAS and autonomous driving systems.
3. EMI/EMC Shielding Integration:Shielding layers (conductive coating, metal cladding) must be integrated into the board structure during fabrication, ensuring consistent coverage to suppress electromagnetic interference for safety-critical circuits.
4. Reliable Interlayer Connection:Blind/buried vias for multi-layer EV power PCBs demand high-precision drilling and electroplating to ensure uniform copper coverage on via walls, preventing conductivity failures from plating voids or insufficient thickness.
5. Automotive-Grade Compliance Control:Full adherence to IATF 16949 standards is mandatory, including 100% AOI for zero-defect soldering and batch thermal stability testing to verify long-term reliability for automotive use cases.
6. Flex-Rigid Hybrid Structure Fabrication:Compatible adhesives and optimized lamination parameters are required to balance bonding strength between rigid and flexible sections, preventing delamination under repeated bending for curved vehicle components.

Factory showcase

PCB Quality Testing

Certificates and Honors