ON Semiconductor Corporation (stylized anddoing business asonsemi) is an Americansemiconductor supplier company, based inScottsdale, Arizona. Products include power and signal management, logic, discrete, and custom devices for automotive, communications,computing, consumer, industrial,LED lighting, medical, military/aerospace and power applications. onsemi runs a network of manufacturing facilities, sales offices and design centers in North America, Europe, and the Asia Pacific regions. Based on its 2016 revenues of $3.907 billion,[2] onsemi ranked among the worldwide top 20 semiconductor sales leaders,[3] and was ranked No. 483 on the 2022Fortune 500 based on its 2021 sales.[4][5]
The company was founded in 1999. It was originally a spinoff ofMotorola's Semiconductor Components Group headquartered in Phoenix, Arizona. It continues to manufacture Motorola'sdiscrete, standardanalog, andstandard logic devices. On April 28, 2000, Onsemi launched its initial public offering (IPO).[6]
Steve Hanson was the first president and chief executive officer of the company until 2002. Keith Jackson fromFairchild Semiconductor replaced Hanson as the second leader for the next 20 years.
Major acquisitions added SANYO Semiconductor in 2011 and Fairchild Semiconductor in 2016, with total workforce over 30,000 and expanded its product portfolio.
In September 2020, chief executive officer Keith Jackson announced his retirement from the company. In December 2020, Hassane El-Khoury, previously the president and chief executive officer ofCypress Semiconductor, succeeded Jackson.[9]
In August 2021, to better reflect its broad technology portfolio, differentiated product lines, and market leadership, ON Semiconductor rebranded itself as onsemi.
In February 2022, it was announced thatBelGaN Group BV had completed the acquisition of all shares of ON Semiconductor Belgium BV from the onsemi group.
In April 2000, onsemi completed the acquisition of Cherry Semiconductor Corp. (CSC) for $250 million. CSC was founded in 1972 as Micro Components Corporation (MCC). CSC was headquartered in East Greenwich, Rhode Island, USA.
In 2003, onsemi acquired TESLA SEZAM (manufacturer of semiconductor chips) and TEROSIL (production of silicon) in the Czech Republic. Both of these companies were the successors of the former state-owned companyTESLA.[11]
In May 2006, onsemi completed the acquisition ofLSI LogicGresham, Oregon Design & Manufacturing Facility.
In January 2008, onsemi completed the acquisition of the CPU Voltage and PC Thermal Monitoring Business fromAnalog Devices, Inc., for $184 million.
In December 2008, onsemi completed the acquisition of AMI Semiconductor (previously known as American Microsystems) for $915 million.[12][13]
On July 17, 2008, onsemi and Catalyst Semiconductor, Inc. announced the acquisition of Catalyst Semiconductor, Inc. by onsemi for $115 million.[14] On October 9, 2008, Catalyst Semiconductor, Inc. announced the approval of the acquisition.[15][16] On October 10, 2008, onsemi announced the completion of the acquisition.[17]
In November 2009, onsemi completed the acquisition of PulseCore Semiconductor for $17 million.
In May 2014, onsemi completed the acquisition of Truesense Imaging, Inc.[19]
In June 2014, onsemi announced a $400 million deal to acquire California-basedAptina Imaging Corp.[20]
In July 2014, onsemi andFujitsu Semiconductor announced Strategic Partnership (including foundry services agreement and the definitive agreement pursuant to which onsemi will become a 10% shareholder of Fujitsu's 8-inch wafer fab inAizuwakamatsu, Japan)[21]
In July 2015, onsemi completed the acquisition of Axsem AG.[22]
In August 2016, onsemi has entered into a definitive agreement with respect to the divestiture of the ignitionIGBT business toLittelfuse and has also entered into a separate definitive agreement withLittelfuse to sell itstransient voltage suppression diode and switching thyristor product lines, for a combined $104 million in cash.[25]
In March 2017, onsemi announced that it would acquire and licensemmWave technology for automotive radar applications developed byIBM'sHaifa, Israel, research team. It included staff, equipment, research facilities and intellectual property.[27]
In May 2018, onsemi acquired Ireland-based company, SensL Technologies Ltd.[28]
In June 2019, onsemi acquiredQuantenna Communications,[29] afabless semiconductor company which was headquartered inFremont, California with offices in India, Europe, America andTaipei,[30] for about $1 billion.[29] In October 2021,Bloomberg News reported that onsemi was looking to sell off Quantenna's assets.[31] After failing to find a buyer, onsemi shut down the division in 2022.[32]
In December 2024 onsemi announced to acquireQorvo's Silicon Carbide JFET Business, including United Silicon Carbide Subsidiary[37]
In October 2025 onsemi announced it has completed the acquisition of rights toVcore power technologies, including associated intellectual property (IP) licenses, from Aura Semiconductor.
Power Management: AC/DC Controllers & Regulators; DC/DC Controllers, Converters, & Regulators; Drivers; Thermal Management; Voltage & Current Management
Logic: Clock Generation; Clock & Data Distribution; Memory; Microcontrollers;[43] Standard Logic
Signal Management: Amplifiers & Comparators; Analog Switches; Audio/Video ASSP; Digital Potentiometers; EMI/RFI Filters; Interfaces; Optical, Image, & Touch Sensors
In 2013, the company introduced the industry's highest resolution optical image stabilization (OIS) integrated circuit (IC) for smartphone camera modules.[44]
Onsemi plans to achieve net-zero emissions by 2040. The industrial and automotive sectors, which are among the company's most important end markets, are responsible for more than 65% of globalgreenhouse gas emissions. This highlights the need for climate initiatives.[45]
In May 2024, the company's ESG risk rating was at 20.8%.[46]
There are several Solution Engineering Centers (SEC) and Design Centers around the world.[48] The company established the "onsemi Silicon Carbide Crystal Center" at the Penn State's Materials Research Institute in 2023.[49]
Solution Engineering Centers are in the United States, Germany, South Korea, China, Taiwan, Japan, Slovakia, and Sweden.
Design centers are located in the United States, Canada, Belgium, Czech Republic, Germany, Ireland, Romania, Slovakia, Sweden, Switzerland, India, Israel, Italy, Japan, South Korea, and Taiwan.
The company has manufacturing facilities in Canada, the United States, the Czech Republic, China, Japan, Malaysia, South Korea, the Philippines, and Vietnam.
In 2000, onsemi won theForbes Advertising Excellence best in category Industrial Machinery/Electrical Components.
onsemi won the Hot 100 Electronic products of 2009 and 2012 byEDN magazine.[50]
In 2012, onsemi won theIR Magazine U.S. Awards in three fields, Best IR by a CEO or chairman for mid cap; No. 56 best company in the U.S. in terms of Investor Relations; No. 3 in Best Investor Relations in technology sector for mid/small cap companies.[51]
In 2012 the company won the "Large Company of the Year Award" from theIEEE.[52]
In 2016, 2017, 2018, 2019, 2020, 2021 and 2022, onsemi was named[53] in World's Most Ethical Companies byEthisphere Institute.
The company's subsidiary AMI Semiconductor (AMIS) has also won many awards, such as President's Award and Preferred Supplier fromRockwell Collins, Strategic Supplier Award from Emerson Rosemount, Inc., Outstanding Technical Support in New Product Development fromAlliant Techsystems.[52]
US$7.082 billion (2024)
US$14.1 billion (2024)
