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Automotive PCBs are Bucking the Trend With a Forecast of 12% CAGR from 2022 to 2026, Says TrendForce

TrendForce’s global automotive PCB market outlook report indicates that as over half of the PCB industry's end-use applications are in consumer electronics, the economic downturn has had a more pronounced impact on the PCB industry compared to other components, especially when end-market demand has yet to show a significant recovery. The report further predicts a 5.2% contraction in the global PCB market for 2023, estimating a value of US$79 billion. Despite this downturn, the automotive PCB market presents a countervailing growth trajectory, primarily driven by the continuous rise in global EV penetration and the increasing electrification of vehicles.

TrendForce predicts a 14% annual increase in the automotive PCB market, reaching a value of US$10.5 billion in 2023 and accounting for 13% of the total PCB market—up from 11% last year. By 2026, this figure is expected to grow to US$14.5 billion, increasing its share of the total PCB market to 15%. This growth indicates a projected CAGR of 12% from 2022 to 2026.

EV adoption is a significant growth driver for the automotive PCB market, given average PCB values for a BEV are around 5 to 6 times that of a conventional fuel vehicle. Over half of these PCBs are installed in the BEV's control system, which houses the battery management system connected via a wire harness. Moreover, the growing popularity of automotive lightweighting is leading to a gradual shift toward the use of flexible printed circuits, which will further increase the PCB within the electric control system.

The rise of autonomous driving tech and its growing adoption rate, which means the integration of more cameras, radars, and other electronic devices, is also expected to further boost the automotive PCB sector. Automotive PCBs mostly rely on 4 to 8-layer boards; autonomous driving systems often adopt higher-priced HDI boards, which are triple in price. HDI boards used in light detection and ranging systems—equipped in L3 and more advanced autonomous driving systems—can cost tens of dollars and are a major contributor to the automotive PCB market’s future growth in value.

Looking at the types of PCBs, 4 to 8-layer boards are expected to account for about 40% of the total automotive PCBs by 2023, falling to 32% by 2026. In contrast, the proportion of HDI boards is projected to increase from 15% to 20%, and the proportion of FPC boards from 17% to 20%. Additionally, the percentage of thick copper and RF boards will rise from 8% and 8.8% to 9.5% and 10.8%, respectively, while the proportion of lower-priced single and double-layer boards is predicted to decrease from 11.2% to 7.7%.

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