Cambridge Semiconductor Limited (CamSemi) is a
fablesssemiconductor business based in
Cambridge,
England that was acquired by US-based competitor Power Integrations Inc., in January 2015.[1]
CamSemi is developing a range of new
ICs for use in power conversion products such as mains power supplies and lighting. The company’s products are enabling
power supply manufacturers to develop low cost products that comply with
Energy Star, the European code of conduct and related energy-efficiency regulations. All CamSemi products are based on a proprietary portfolio of technologies and topologies including advanced control architectures, RDFC and PowerBrane.
The company’s venture capital investors included
DFJ Esprit, Scottish Equity Partners and
cleantech investors
The Carbon Trust and NES Partners.
Opened sales office and application design centre in Taiwan.[12]
2008 Closed series C funding to raise $34 million;[13][14] introduced first primary side sensing controllers [15] and named ‘Start up of the year’ by National Microelectronics Institute
Company announcement
Launched C2160 family of PSS controllers to help manufacturers develop power supplies with <30 mW
no load power
2011 Awarded ‘Business Weekly’s East of England International Trade Award’ [17]Company announcement
2012 Listed in 29th position in '2012 Sunday Times Hiscox Tech Track 100' report.[18] Also
Company announcement
2013 Awarded NMI 'Low Power Design Innovation' award for C2172 PSS controller with features to reduce
no load power consumption.[19] Also
Company announcement
^Udrea, F., Trajkovic, T., and Amaratunga, G.A.J. 2004. High voltage devices - a milestone concept in power ICs. Electron Devices Meeting, 2004. IEDM Technical Digest. IEEE International. pages 451- 454.
^Peter Clarke, “CamSemi unveils power supply control IC” . EETimes Europe, 8 Oct 2007. page 1. Also
EETimes website. Checked 14 Jun 2009.