Solution Finder Get Tech Support



About Power Integrations

Power Integrations, Inc., is a leading innovator in semiconductor technologies for high-voltage power conversion. Our products are key building blocks in the clean-power ecosystem, enabling the generation of renewable energy as well as the efficient transmission and consumption of power in a vast range of applications including appliances, mobile devices, computers and countless industrial applications.

Energy-saving technologies such as our PowiGaN™ gallium-nitride technology and our EcoSmart™ energy-efficiency technology prevent billions of kilowatt-hours of energy waste each year, while our highly integrated chips save billions of electronic components each year. Reflecting the environmental benefits of our products, Power Integrations' stock is a component of clean-technology stock indices sponsored by  Cleantech Group LLC and Clean Edge, and our Green Room provides 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, 2022)831
2022 Revenues$651 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
  • 2019 – Introduced InnoSwitch3 products utilizing gallium-nitride (GaN) transistors; shipped one-millionth GaN-based IC in September
  • 2020 – InnoSwitch IC sales surpass one billion units
  • 2021 - Surpassed $500M, $600M and $700M in revenue with growth of 44%
  • 2022 - Introduced 1700 V InnoSwitch™3-AQ ICs, industry’s first automotive-qualified power supply ICs with a silicon-carbide primary switching MOSFET