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U.S. Chipmaker Onsemi Doubles Down on China With New Shanghai Headquarters

Published: Mar. 31, 2026  10:41 p.m.  GMT+8
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Onsemi said it plans to appoint a China general manager, who will also oversee its systems engineering business. Photo: VCG
Onsemi said it plans to appoint a China general manager, who will also oversee its systems engineering business. Photo: VCG

U.S. power semiconductor maker ON Semiconductor Corp. (Onsemi) said it will establish a Greater China headquarters in Shanghai and invest about $50 million in the country over the next three years, stepping up local decision-making and investment as demand rises from electric vehicles, renewable energy and AI data centers.

The Nasdaq-listed company announced the move Tuesday in Shanghai. It said it plans to appoint a China general manager, who will also oversee its systems engineering business, in a bid to tighten coordination between technology and management and respond more quickly to automotive, industrial and data-center customers.

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  • Onsemi to establish Greater China HQ in Shanghai, invest $50M over 3 years for R&D, manufacturing, ecosystem amid EV, renewable, AI demand.
  • Appoint China GM to oversee systems engineering; 3 mfg bases, 4,000 employees; BOM localization at 50%.
  • Peers Infineon expanding in Wuxi, STMicro building $3.2B SiC plant in Chongqing, TI focusing on sales.
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Who’s Who
ON Semiconductor Corp.
ON Semiconductor Corp. (Onsemi) will establish a Greater China HQ in Shanghai and invest $50M over three years for R&D, manufacturing, and ecosystem building amid EV, renewable, and AI demand. It plans a China GM to speed decisions. With 4,000 employees, 3 factories, and 50% localized BOM (up from low single digits in 5 years), China is key for innovation.
Infineon Semiconductor & System Solutions
Infineon Semiconductor & System Solutions is expanding its power semiconductor production base in Wuxi, introducing new generations of power devices, and making the site one of its largest global hubs for insulated-gate bipolar transistors. The company aims to localize coverage of major products by around 2027.
STMicroelectronics
STMicroelectronics is building an 8-inch silicon carbide joint-venture plant in Chongqing with Sanan Optoelectronics, with a total investment of about $3.2 billion. Production is expected to start in Q4 2025, reaching full capacity in 2028 at 10,000 wafers per week. (Chinese media reported.)
Sanan Optoelectronics
Sanan Optoelectronics is partnering with STMicroelectronics on an 8-inch silicon carbide joint-venture plant in Chongqing, China, with $3.2 billion total investment. Production starts Q4 2025, full capacity by 2028 at 10,000 wafers/week.
Texas Instruments
Texas Instruments has taken a more asset-light approach in China, focusing on expanding sales and applications support across multiple cities while concentrating recent wafer-fabrication investments in the U.S. to shore up global supply-chain stability.
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