Key Takeaways
- Broadcom reports TSMC has reached maximum production capacity amid unprecedented AI chip demand
- Supply constraints expected to continue through 2026, with relief not anticipated until 2027
- Component shortages expanding beyond semiconductors to include lasers and printed circuit boards
- Lead times for PCBs used in optical transceivers have ballooned from 6 weeks to 6 months
- Industry players increasingly securing supply through multi-year agreements spanning 3–5 years
A senior Broadcom executive has issued a stark warning about intensifying supply chain pressures affecting the technology industry, specifically identifying manufacturing giant TSMC as a critical constraint. The alert came Tuesday from Natarajan Ramachandran, who directs product marketing for Broadcom’s Physical Layer Products division.
Speaking with media representatives, Ramachandran revealed that TSMC has reached “production capacity limits.” He noted a dramatic shift from just years earlier, when he would have characterized TSMC’s manufacturing capabilities as essentially “infinite.”
As the dominant manufacturer of cutting-edge AI semiconductors globally, TSMC serves critical clients including Broadcom, Nvidia, and Apple. The Taiwan-based foundry acknowledged capacity challenges in January, stating it was actively working to narrow the supply-demand gap.
Ramachandran indicated that TSMC has expansion plans extending through 2027. However, capacity additions aren’t materializing quickly enough to meet current needs. “That has become a bottleneck, or that has kind of choked the supply chain in 2026,” he explained.
The capacity crunch isn’t confined to chip fabrication alone. Ramachandran highlighted how supply limitations are cascading into related technology components and materials.
He specifically mentioned constraints in laser component availability, emphasizing that despite having several suppliers operating in this market segment, production capacity remains inadequate. Printed circuit boards have unexpectedly emerged as another significant constraint area.
Printed Circuit Board Wait Times Explode
For optical transceivers specifically, PCB lead times have expanded dramatically from approximately six weeks to as long as half a year. Ramachandran indicated that both Taiwanese and Chinese PCB manufacturers are encountering production ceiling limitations, though he declined to identify particular companies.
This development follows previous reporting on capacity pressures affecting chipmakers Intel and AMD. Intel experienced roughly 10% server product price increases, while AMD faced extended delivery timeframes. AMD maintained confidence in fulfilling demand through existing supplier relationships, particularly its partnership with TSMC.
Extended Supply Agreements Becoming Industry Standard
Responding to these mounting pressures, numerous customers have begun executing extended supply commitments spanning three to four years. Samsung disclosed last week that it’s similarly transitioning toward longer contract periods of three to five years with principal customers.
These arrangements signal a fundamental industry transformation. Buyers seek supply assurance, while manufacturers aim to mitigate demand volatility risks.
Ramachandran expressed measured optimism about future conditions. He anticipates that market entry by new suppliers combined with capacity buildouts will gradually alleviate current constraints.
This disclosure follows Broadcom’s announcement of a collaboration with OpenAI to manufacture 10 gigawatts of specialized AI accelerators. Under the arrangement, OpenAI handles chip and system design while Broadcom provides development and deployment support.
TSMC had not provided comment by publication time.


