# Bosch acquires TSI Semiconductors, plans $1.5B investment in Roseville

Robert Bosch GmbH acquired TSI Semiconductors in Roseville, California, and plans to invest over $1.5 billion to convert the facility to produce silicon carbide chips for electric vehicles, starting in 2026.

- Type: Acquisition
- Announced: 2023-04-26
- Where: Roseville, California, United States
- Value: $1.50B
- Status: announced
- Products: silicon carbide chips
- Sectors: [Semiconductors and Industrial Electronics](https://endata.com/sectors/semiconductors-electronics.md), [Automotive Components](https://endata.com/sectors/automotive-components.md)

## Companies

- [Robert Bosch](https://endata.com/companies/3006.md) (acquirer)
- [TSI Semiconductors](https://endata.com/companies/69961.md) (target)

## Sources

- [kcra.com](https://www.kcra.com/article/historic-1b-semiconductor-investment-roseville-greater-sacramento-area/43708460), 2023-04-26: "With this planned investment in the U.S., we are also increasing our semiconductor manufacturing globally."
- [news.bloomberglaw.com](https://news.bloomberglaw.com/mergers-and-acquisitions/bosch-to-buy-chipmaker-tsi-invest-1-5-billion-in-california), 2023-04-26: "We step into a market which is developing very fast."
- [reuters.com](https://www.reuters.com/technology/bosch-buys-us-semiconductor-foundry-expand-ev-chip-output-2023-04-26/), 2023-04-26: "Bosch said the TSI facility would become the 'third pillar' of in-house semiconductor production."

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Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.