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Components and Functions of PCB and PCB's Position in the Automotive Industry
29Nov
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Components and Functions of PCB and PCB's Position in the Automotive Industry

components and Functions of PCB and PCB's Position in the Automotive Industry


printed boards have developed from single-layer to double-sided, multi-layer and flexible, and still maintain their own development trends. Due to the continuous development towards high precision, high density and high reliability, and the continuous reduction of volume, cost and performance, the printed circuit board will still maintain strong vitality in the future development project of electronIC equipment. 3、 MARKs of printed board technical level:


For double-sided and multilayer hole metallized printed boards, the mark of technical level of printed boards is that the double-sided metallized printed boards produced in large quantities can be marked by the number of wires that can be laid between two pads at the intersection of 2.50 or 2.54mm standard grids.


It is no exaggeration to say that PCB is everywhere. From electronic computers to digital clocks, from induction cookers to intelligent televisions and stereo system software. In case of electronic equipment and special equipment, more than 99% of them are likely to contain PCB. So we will take it for granted that without PCB, any electronic product may not work.


printed circuit board


Composition of PCB

A complete PCB consists of the following five parts

Insulation substrate: generally made of phenolic paper, epoxy paper or epoxy glass cloth.

Copper foil surface: The copper foil surface is the main body of PCB, which is composed of bare bonding pads and copper foil lines covered with green oil. The bonding pads are used to weld Electronic devices.

Solder resistance layer: It is used to protect copper foil circuit and is made of super high temperature resistant solder resistance.


Character layer: used to mark the number and symbol of electronIC components, which is conducive to circuit identification during PCB production and processing.

Hole: used for production and processing of substrates, assembly of electronic devices, equipment installation, and connection between copper foil circuits in different aspects

Functions of PCB

  1. Mechanical support PCB provides mechanical support for fixing and installing various electronic components such as integrated circuit chips.


2. The completion of electrical connection or insulating PCB also realizes the mutual insulation of various electronic components such as integrated circuit chips.


3. Other functional PCBs bring solder resistance graphics for automatic assembly, as well as identification and graphics for insertion, inspection and maintenance of electronic components.


PCB occupies an important position in automobile industry

With the increasing demand of consumer groups for autonomous vehicle and intelligent systems for the versatility, safety, comfort and entertainment of motor vehicles, the share of hybrid vehicles and pure electric vehicles in new energy electric vehicles has also increased a lot. And the market demand for PCB for new energy vehicles is also rising


Six layer storage module PCB

The automobile circuit board includes the center console circuit board, the startup control circuit board, the power amplifier circuit board, the video and audio multimedia player board, etc. According to its function and region. Many circuit modules and backplanes do not have uniform standard names because of well-known brand manufacturers, electronic buses, etc. It varies with each other.


For automobile circuit boards, the rationality of design, maturity of production process, reliability of vehicle power supply, service environment and service life of the vehicle, etc. Have a direct impact on its quality.


PCB manufacturers, PCB designers and PCBA manufacturers will explain the components and functions of PCB and its position in the automotive industry.

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