TSMC → Semtech
Yes, wafergraph tracks TSMC as a supplier of Semtech, as of 2026-10-09. Semtech sources from 2 tracked suppliers in this dataset; TSMC is positioned as a leader in Foundry, so this edge is harder to replace than a challenger or niche supplier. Semtech has only 2 tracked suppliers in this dataset.
Data as of 2026-10-09 · relationship type: tracked supplier → customer · both names resolve in companies.json · no dollar amount is shown unless it already sits on a company record, and none is invented here
Why this edge matters
TSMC (leader in Foundry) is a tracked supplier of Semtech (major in Design (Fabless)). World's dominant foundry, manufacturing nearly all leading-edge chips. LoRa wireless franchise plus optical data center connectivity chips. The edge is one of 2 tracked suppliers of Semtech and one of 98 tracked customers of TSMC.
Source: derived from both company records and the counted edges.
Concentration / risk note
TSMC is positioned as a leader in Foundry, so this edge is harder to replace than a challenger or niche supplier. Semtech has only 2 tracked suppliers in this dataset. Concentration on the supplier side is high.
Basis: supplier position, few suppliers. Omitted on edges where the graph does not back a concentration claim.
The two companies
TSMC (supplier)
World's dominant foundry, manufacturing nearly all leading-edge chips.
Semtech (customer)
LoRa wireless franchise plus optical data center connectivity chips.
Other tracked suppliers of Semtech
Other tracked customers of TSMC
Frequently asked questions2
- How many suppliers does Semtech have?
- The dataset records 2 tracked suppliers for Semtech.
- How many customers does TSMC have?
- The dataset records 98 tracked customers for TSMC.
Cite as: wafergraph, “TSMC → Semtech — supplier relationship in the semiconductor supply chain”, https://wafergraph.com/relationship/tsmc/semtech/ (data as of 2026-10-09).
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