About Power Integrations
Power Integrations, Inc., is a Silicon Valley-based supplier of high-performance electronic components used in high-voltage power-conversion systems. Our integrated circuits and diodes enable compact, energy-efficient AC-DC power supplies for a vast range of electronic products including mobile devices, TVs, PCs, appliances, smart utility meters and LED lights. Our SCALE™ IGBT drivers enhance the efficiency, reliability and cost of high-power applications such as industrial motor drives, solar and wind energy systems, electric vehicles and high-voltage DC transmission. Since its introduction in 1998, Power Integrations' EcoSmart® energy-efficiency technology has prevented billions of dollars' worth of energy waste and millions of tons of carbon emissions. Reflecting the environmental benefits of our products, Power Integrations' stock is a member of clean-technology stock indices sponsored by Cleantech Group LLC and Clean Edge. Visit our Green Room for a comprehensive guide to energy-efficiency standards around the world.

PI Quick Facts
HeadquartersSan Jose, California
Chief ExecutiveBalu Balakrishnan
IndustryAnalog Semiconductors
Employees (as of Dec. 31, 2017)646
U.S. Patents (as of Dec. 31, 2017)667
2017 Revenues$432 million
Date of Initial Public OfferingDecember 1997
Ticker Symbol (NASDAQ)POWI

Company Milestones

  • 1988 – Power Integrations founded by Klas Eklund, Art Fury and Steve Sharp
  • 1994 – TOPSwitch™ family debuted as company’s first commercial product
  • 1997 – Initial public offering on NASDAQ at $4/share (split-adjusted)
  • 1998 – Introduced TinySwitch™ family with EcoSmart™ energy-efficiency technology
  • 1999 – TinySwitch™ received Discover Magazine Award for Technological Innovation
  • 2002 – Introduced LinkSwitch™ family – industry’s first cost-effective replacement for linear transformers, or "energy vampires"
  • 2002 – Balu Balakrishnan succeeded Howard Earhart as CEO; annual revenues surpass $100 million
  • 2003 – Selected as one of the world’s top 20 “sustainable stocks” by
  • 2005 – Energy savings from EcoSmart technology surpassed $1 billion; company again selected as one of world’s top 20 sustainable stocks by
  • 2006 – Received ENERGY STAR® award
  • 2007 – Company’s stock added to NASDAQ Clean Edge stock indices
  • 2008 – Stock added to The Cleantech Index; company initiates quarterly dividend
  • 2010 – Unveiled one of Silicon Valley’s largest solar installations at our San José headquarters
  • 2012 – Acquired CT-Concept, Swiss provider of IGBT drivers, for $116 million
  • 2012 – Introduced LYTSwitch™ family for LED lighting applications
  • 2014 – Introduced revolutionary InnoSwitch™ product family
  • 2015 – Acquired Cambridge Semiconductor, UK-based supplier of controller chips for AC-DC power supplies, for $23 million
  • 2016 – Surpassed $100M in quarterly revenues for the first time (Q3)
  • 2017 – Expanded Asian presence with new R&D and production-support center in Penang, Malaysia