ROHM to Integrate TSMC GaN Tech for AI and EV Power Supply Expansion
Event summary
- ROHM will integrate TSMC’s GaN process technology into its own production system at ROHM Hamamatsu, aiming for full deployment by 2027.
- The move follows a 2024 partnership with TSMC on automotive GaN, which will conclude amicably upon technology transfer.
- ROHM’s EcoGaN™ devices are already used in AI server power supplies and EV chargers, with demand expected to grow.
- The 650V GaN process, adopted by ROHM since 2023, will now be fully internalized under a new licensing agreement.
The big picture
ROHM’s move to internalize TSMC’s GaN technology reflects the growing strategic importance of power efficiency in AI and EV applications. As demand for high-voltage, high-frequency GaN devices rises, ROHM is positioning itself to capture a larger share of this expanding market. The shift also underscores the semiconductor industry’s trend toward vertical integration to secure supply chain resilience.
What we're watching
- Execution Risk
- Whether ROHM can successfully integrate TSMC’s GaN technology without operational disruptions.
- Market Demand
- The pace at which GaN adoption accelerates in AI servers and EVs, driving ROHM’s revenue growth.
- Competitive Positioning
- How ROHM’s vertical integration affects its standing against rivals in the GaN power device market.
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