Future Automotive Requirements for PCBs


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Introduction

The Bosch Group is a leading global supplier of technology and services. They also develop and manufacture automotive electronic components and systems. In addition to the standard product testing, the PCB Technology team always qualifies new PCB technologies before going into product testing. In the past, we found failures in PCBs during these qualifications along with the potential for design and stackup improvements together with the supply chain. These findings were incorporated into our specification and brought to international standards committees.

In the automotive electronics industry, a huge change in functional and environmental requirements will be visible during the next few years. This is driven by three major trends: connected mobility, automated mobility, and the increasing electrified mobility.

All three trends will increase the added value of electronics in the car. For PCBs, the applied technologies will change to deal with high currents of several 100 A and information processing in a range of several GHz. From a functional performance standpoint, this is far beyond the current PCBs in the cars and new concepts are needed. Figures 1 through 4 illustrate the three major trends of connected mobility, automated mobility, and powertrain systems and electrified mobility.

Fig1.jpg

Figure 1: The three major trends for automotive electronics. (Source: Bosch).

To read the full version of this article which appeared in the April 2018 issue of PCB007 Magazine, click here.

 

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