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Private company

Cambridge Semiconductor Limited

UK business

Cambridge Semiconductor Limited (CamSemi) is a fabless semiconductor business based in Cambridge, England that was acquired by US-based competitor Power Integrations Inc., in January 2015. The company specialises in power management integrated circuits and was spun out of Cambridge University in August 2000 with seed investment from the Cambridge University Challenge Fund, as a commercial venture arising out of the research conducted by Professors Gehan Amarantunga and Florin Udrea at the Cambridge University Engineering Department.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

Jan 1, 2002Founded1

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Cambridge Semiconductor Limited (CamSemi) is a fabless semiconductor business based in Cambridge, England that was acquired by US-based competitor Power Integrations Inc., in January 2015.2

Products and brands

C2470 mixed signal controllers and RDFC (Resonant Discontinuous Forward Converter) topology for switched-mode power supplies (SMPS)

C2140, C2150, C2183 and C2283 primary side sensing (PSS) flyback controllers for SMPS

C2160 and C2170 PSS flyback controller families targeting 5 star-rated mobile phone chargers with <30 mW no-load

C5183 PSS flyback controller with active start-up for SMPS

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C3120, C3183 and C3682 LED drivers ICs for solid-state lighting

From Wikipedia’s article on Cambridge Semiconductor Limited, shared under CC BY-SA 4.0.3

Timeline

  1. Jan 1, 2002Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

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