As leading foundries like TSMC, Samsung, and Intel aggressively redirect capacity toward AI chips and High Bandwidth Memory (HBM), a structural gap is emerging in the supply of standard semiconductors. SMIC—China's largest foundry—just reported a "significant influx of orders" from customers who find themselves de-prioritized at global fabs chasing AI revenue.
Here's why hardware engineers should pay attention.
The Great Capacity Reallocation
In its Q1 2026 earnings call (May 15), SMIC described how customers previously manufacturing at global foundries are migrating to Chinese specialty fabs. The affected products include:
- Power management ICs — essential for every electronic device, now facing allocation constraints
- Analog and mixed-signal chips — audio codecs, sensor interfaces, data converters on mature 28nm–180nm nodes
- Automotive MCUs — safety-critical components where supply continuity > leading-edge performance
- IoT connectivity chips — Wi-Fi, Bluetooth, Zigbee on cost-effective process nodes
This isn't a temporary blip. Applied Materials confirmed a "sustained growth cycle expected to last into 2027 and beyond" in its record Q2 2026 results this week, driven by AI infrastructure buildout and legacy node capacity additions globally.
What This Means for PCB Demand
Every specialty IC needs a PCB. The implications cascade:
1. Standard multilayer PCB volume increases — 4–8 layer boards for consumer and industrial products see rising demand as PMIC, MCU, and analog production ramps.
2. Power electronics boards — Hua Hong Semiconductor (another major Chinese foundry) is expanding into BCD, IGBT, and SiC power processes. These all require specialized thick-copper PCB manufacturing.
3. Material costs stay elevated — Copper above $13,300/ton, glass fiber quotas, and 40-week MCU lead times mean no relief for procurement teams.
4. Samsung's labor dispute adds risk — A planned 18-day strike threatens memory supply, with ripple effects through the substrate supply chain.
Practical Takeaways for Hardware Teams
- Lead times for automotive-grade multilayer boards may extend 1–2 weeks as fabs prioritize high-volume orders
- Dual-sourcing is non-negotiable — maintain qualified secondary PCB suppliers
- Budget 15–25% higher for standard FR-4 and specialty laminates through 2026
- Power electronics demand grows disproportionately — plan EV, data center, and renewable energy PCB capacity early
The semiconductor industry's pivot to AI is creating second-order effects that reshape PCB demand patterns globally. Understanding these dynamics helps engineering teams plan procurement timing rather than reacting to shortages.
Originally published at AtlasPCB. AtlasPCB provides engineering review and manufacturing for standard through HDI multilayer PCBs — get a quote.
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