Material Science: FR4、 High TG FR4 HDI、 Rigid flex joint plate, semi flex joint plate, aluminum based, copper based, RF and microwave materials
Quality standards: TS16949
Quality Core Tools: APQP、PPAP、FMEA、SPC、MSA。
Acceptance criteria: IPC-A-600 Level 3
Testing standards: IPC-6012DA, IPC-6011
Readability testing: AOI testing, online testing, thermal shock testing, thermal cycling testing, temperature and humidity testing
印刷电路板 (PCB) 是现代电子产品的基本元件之一。它们构成了电子元件机械安装和电气连接的基础,以实现不同工业领域的许多不同功能。例如,汽车 PCB 广泛用于车辆,并在汽车行业中发挥着重要作用。
汽车电路板 (印刷电路板)是为汽车中的一系列应用定制设计的电路板,从点火系统、导航系统到车头灯。这些电路板为管理各种车辆功能的电子部件的电气连接和支持提供了必要的接地。
汽车 PCB 必须承受汽车环境中的高振动、极端温度和各种化学物质。因此,汽车 PCB 需要按照最高标准生产,例如最普遍接受的 IPC 3 级标准。
在汽车领域,汽车 PCB 非常重要,因为它们可以增强车辆的功能性、安全性和性能。从控制引擎盖下的热量到道路冲击和振动,汽车印刷电路板 足够强大,即使在最恶劣的条件下也能生存并保持正常运转。
The following is the assembly of automotive PCB:
Rigid FR4 PCB: Rigid FR4 printed circuit boards are the most widely used PCBs in automobiles due to their excellent performance and low cost. They can still maintain their shape under the pressure of automotive applications, so they are still widely used in the field of automotive electronics.
Aluminum substrate: Aluminum PCB is widely used in automobiles due to its high heat dissipation rate and low price. Aluminum substrates are commonly used for LED lights in automobiles.
Flexible printed circuit boards: The design of these PCBs allows them to bend to fit the moving or compact parts of vehicles. Flexible printed circuit boards are most suitable for spaces where traditional rigid boards are not suitable.
Rigid flexible PCB: Rigid flexible printed circuit boards include the structural rigidity of rigid PCBs and the spatial versatility required for flexible PCBs. This feature is very suitable for complex automotive applications where space and durability are crucial.
The materials used in the production of automotive circuit boards include FR-4, aluminum, and polyimide.
FR-4: The choice of FR-4 is due to its excellent electrical performance, mechanical stability, and low cost, making it the best choice for the automotive industry with low-cost and high-quality requirements.
Aluminum: Automotive headlights use aluminum substrates to meet high heat dissipation requirements.
Polyimide: When higher flexibility and heat resistance are necessary, it is best to use polyimide to ensure the reliability and functionality of PCBs under different automotive conditions.
Printed circuit board (PCB) is the backbone of modern vehicle systems, used to control various systems from basic engine functions to cutting-edge safety technologies. From basic vehicle operations such as engine management and lighting systems to more complex applications including infotainment systems, GPS navigation, and driver assistance technology, printed circuit boards are at the core of everything.
Therefore, the application of the automotive industry is of great help in improving vehicle performance and driver experience.
PCB is the backbone of modern engine control units (ECUs), responsible for managing and optimizing engine performance. They should provide precise control in fuel injection, ignition timing, and emission control to achieve optimal engine efficiency and reduce harmful effects on the environment.
Therefore, this makes the reliability of such systems a crucial issue, as they are directly related to the power output and overall health of the vehicle.
Turning towards information entertainment and information systems, automotive PCB services provide complex information entertainment systems that integrate audio, video, connectivity, and navigation functions.
It allows users to access GPS real-time navigation, real-time multimedia streaming, and Bluetooth media through touch screen or voice commands for a better in car experience.
Safety critical applications such as airbags and anti lock braking systems (ABS) are highly dependent on PCBs. These circuit boards help ensure rapid deployment of airbags in the event of a collision and manage electronic sensors that do not lock the wheels during braking.
A major shift is due to the increasing demand from consumers for cars that are more efficient, intelligent, and tech savvy, such as intelligence combined with the Internet of Things and autonomous driving technology. This has brought about an increasingly important shift in electronic integration within automobiles, which requires more types of reliable PCBs that can function properly even under the harshest conditions, as typically defined by automotive applications.
The accuracy and reliability of PCBs in these systems are crucial for protecting passengers in emergency situations. Therefore, the various applications of PCBs in modern vehicles clearly demonstrate that PCBs are indispensable in advancing automotive technology, improving vehicle safety, and enhancing user experience. Therefore, with continuous improvement, the automotive industry can expect further development.
Therefore, the automotive electronics field has put forward strict requirements for the design and production of printed circuit boards (PCBs) to meet the regulatory conditions that must be followed for automotive applications.
The other two important aspects of designing automotive printed circuit boards, namely thermal management and resistance to impact or vibration, are some of the main features that ensure these PCBs can operate in harsh environments of vehicles.
Thermal management: Automotive printed circuit boards need to be designed in a way that can withstand the temperature generated by the engine and other components of the vehicle. In this trend, designers will still tend to use materials with high thermal conductivity, in addition to modifying PCBs to have heat sinks or thermal holes to help IC dissipate heat.
Vibration resistance: Due to the constant movement and impact of automobiles, automotive printed circuit boards must have a sturdy physical structure. It is best to choose components that focus on seismic resistance and reduce mechanical stress in the layout.
step | describe |
Material selection | Choose materials suitable for high thermal and mechanical stress, such as FR-4 or polyimide. |
Formation of Circuit Patterns | Etch the circuit design onto the selected substrate using photolithography and other methods. |
Drilling and electroplating | Drilling is used to install components or create through holes, followed by copper plating to establish connections. |
Component Placement | Use automated machines to accurately place components to ensure accuracy. |
welding | Solder the components onto the PCB to ensure physical and electrical connections. |
Conformal Coating | Applying a protective coating can protect the PCB from moisture, dust, and other environmental factors. |
final inspection | Check if there are any manufacturing defects in the completed PCB. |
Quality control is as important as testing during the manufacturing process to ensure that all automotive circuit boards meet the highest reliability and performance standards. Most notably, these tests were conducted in an extremely rigorous manner, including:
Thermal cycle: This is a PCB test that verifies the integrity of components by placing the circuit board under a series of temperatures based on engine thermal conditions. Vibration testing: Attempt to simulate road vibrations to determine whether the PCB can withstand the mechanical stress generated by vehicle operation. Moisture and corrosion: Tests have shown that PCBs can withstand the harsh effects of humidity and corrosive agents in the car environment. Industrial standards: ISO 9001 (Quality Management) and IATF 16949 (for the automotive industry) are some standards followed by the automotive industry. Automotive circuit boards always need to be inspected according to IPC-A-600 Level 3 standards. These standards ensure the quality management system and excellent operation of the system, thereby enhancing the reliability of automotive PCBs under all operating conditions.
These products have developed overall design, manufacturing, and testing procedures for automotive PCBs to meet the constantly changing needs of the automotive industry, making it easier to integrate the most advanced technology into cars.
challenge | describe |
Adverse environmental conditions | Automotive PCBs must withstand high temperatures, high humidity, and even chemical erosion, which can lead to damage to automotive PCB components. Therefore, it is evident that automotive PCB suppliers should choose materials and manufacturing methods that are durable under these conditions. |
Reliability and service life | All of these printed circuit boards are crucial for ensuring the safety, reliability, and longevity of vehicles. It is necessary to test it and maintain strict quality control to ensure that the circuit board can work stably even under continuous pressure conditions throughout its entire service life. |
Integration and miniaturization | The continuous development of automotive technology requires PCBs to integrate more electronic components in increasingly smaller spaces. The trend of development is towards miniaturization, but it still needs to meet the increasing complexity of design and manufacturing, while not sacrificing the performance or durability of automotive circuit boards |
If pursuing cost-effective FPC manufacturing services, choosing a Chinese manufacturer is the best choice. As a manufacturing powerhouse, China has abundant resources, cheap labor, and a large number of technical personnel. We recommend Haibo, a Chinese FPC assembly service provider with over 10 years of experience, who has performed outstandingly in various aspects
Efficient and reasonable quotation:There is an efficient quotation process to assist you in making decisions, providing reasonable prices and highly competitive quotes in China.
High quality and reliable products:Produce high standard printed circuit boards, manufacture and test according to specifications, international standards, and internal controls, and conduct pre production inspections to ensure robust processes.
Quick and on-time delivery:The assembly equipment is in good condition, with high productivity, minimal downtime, short delivery time, and also provides urgent services.
Timely and effective response:Always respond to customer needs, provide accurate information, answer questions through multiple channels, and offer one-stop services.
Strong technical strength:China's FPC manufacturing technology is leading, and Haibo has a complete SMT solution that covers assembly, inspection, and other capabilities. It also provides prototype production and customization services.
mobile phone: 86-15113315665
Contact: Chen Changhai
mobile phone: 86-18676922028
E-mall: haibo_fpcba1668@163.com
Address: 3rd Floor, Building 2, Fuxing Industrial Park, Building B, Chuangye 1st Road, Jiangbian Community, Songgang Street, Bao'an District, Shenzhen