# Onsemi

ON Semiconductor Corporation (stylized and doing business as onsemi) is an American semiconductor supplier company, based in Scottsdale, 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, onsemi ranked among the worldwide top 20 semiconductor sales leaders, and was ranked No. 483 on the 2022 Fortune 500 based on its 2021 sales.

## History

onsemi was founded in 1999. The company was originally a spinoff of Motorola's Semiconductor Components Group headquartered in Phoenix, Arizona. It continues to manufacture Motorola's discrete, standard analog, and standard logic devices. On April 28, 2000, Onsemi launched its initial public offering (IPO).
Steve Hanson was the first president and chief executive officer of the company until 2002. Keith Jackson from Fairchild 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 April 2019, the company signed the UN Global Compact.
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 of Cypress Semiconductor, succeeded Jackson.
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 that BelGaN Group BV had completed the acquisition of all shares of ON Semiconductor Belgium BV from the onsemi group.
As of March 1, 2023, onsemi's headquarters was located in Scottsdale, Arizona.

### Acquisitions
#### 2000s

* 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 company TESLA.
* In May 2006, onsemi completed the acquisition of LSI Logic Gresham, Oregon Design & Manufacturing Facility.
* In January 2008, onsemi completed the acquisition of the CPU Voltage and PC Thermal Monitoring Business from Analog Devices, Inc., for $184 million.
* In March 2008, onsemi completed the acquisition of AMI Semiconductor for $915 million.
* On July 17, 2008, onsemi and Catalyst Semiconductor, Inc. announced the acquisition of Catalyst Semiconductor, Inc. by onsemi for $115 million. On October 9, 2008, Catalyst Semiconductor, Inc. announced the approval of the acquisition. On October 10, 2008, onsemi announced the completion of the acquisition.
* In November 2009, onsemi completed the acquisition of PulseCore Semiconductor for $17 million.
* In December 2009, onsemi announced the acquisition of California Micro Devices.

#### 2010s

* In June 2010, onsemi completed the acquisition of Sound Design Technologies, Ltd., for $22 million.
* In January 2011, onsemi completed the acquisition of SANYO Semiconductor.
* In February 2011, onsemi completed the acquisition of the CMOS Image Sensor Business Unit from Cypress Semiconductor, for $31.4 million.
* In May 2014, onsemi completed the acquisition of Truesense Imaging, Inc.
* In June 2014, onsemi announced a $400 million deal to acquire California-based Aptina Imaging Corp.
* In July 2014, onsemi and Fujitsu 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 in Aizuwakamatsu, Japan)
* In July 2015, onsemi completed the acquisition of Axsem AG.
* In November 2015, onsemi announced the acquisition of Fairchild Semiconductor for $2.4 billion.
* In August 2016, onsemi has entered into a definitive agreement with respect to the divestiture of the ignition IGBT business to Littelfuse and has also entered into a separate definitive agreement with Littelfuse to sell its transient voltage suppression diode and switching thyristor product lines, for a combined $104 million in cash.
* In September 2016, onsemi completed the acquisition of Fairchild Semiconductor.
* In March 2017, onsemi announced that it would acquire and license mmWave technology for automotive radar applications developed by IBM's Haifa, Israel, research team. It included staff, equipment, research facilities and intellectual property.
* In May 2018, onsemi acquired Ireland-based company, SensL Technologies Ltd.
* In June 2019, onsemi acquired Quantenna Communications, a fabless semiconductor company which was headquartered in Fremont, California with offices in India, Europe, America and Taipei, for about $1 billion. In October 2021, Bloomberg News reported that onsemi was looking to sell off Quantenna's assets. After failing to find a buyer, onsemi shut down the division in 2022.
* In April 2019, onsemi agreed to acquire GlobalFoundries 300mm wafer fabrication facility in East Fishkill, New York. In February 2023, it was announced the acquisition had been completed.

#### 2020s

* In August 2021 onsemi agreed to acquire GT Advanced Technologies.
* In July 2024 onsemi completed the acquisition of SWIR Vision Systems.
* In December 2024 onsemi announced to acquire Qorvo’s Silicon Carbide JFET Business, including United Silicon Carbide Subsidiary

## Products

onsemi manufactures products in the following areas:
* Custom: ASICs; Custom Foundry Services; Custom ULP Memory; Custom CMOS Image Sensors; Integrated passive devices
* Discrete: Bipolar Transistors; Diodes & Rectifiers; IGBTs & FETs; Thyristors; Silicon Carbide (SiC)
* 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; 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.

## Corporate responsibility

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 global greenhouse gas emissions. This highlights the need for climate initiatives.
In May 2024, the company's ESG risk rating was at 20.8%.

## Operations

The company has three segments:
* Analog and Mixed-Signal Group (AMG)
* Intelligent Sensing Group (ISG)
* Power Solutions Group (PSG)

## R&D

There are several Solution Engineering Centers (SEC) and Design Centers around the world. The company established the "onsemi Silicon Carbide Crystal Center" at the Penn State's Materials Research Institute in 2023.

### Solution engineering centers

* United States: San Jose, California; Portland, Oregon; Detroit, Michigan; Nampa and Meridian, Idaho
* Germany: Munich
* South Korea: Seoul
* China: Shanghai, Shenzhen
* Taiwan: Taipei
* Japan: Osaka, Tokyo
* Slovakia: Piešťany

### Design centers

* United States: Phoenix, Arizona; Santa Clara, California; Sunnyvale, California; Longmont, Colorado; Pocatello, Idaho; Lower Gwynedd, Pennsylvania; East Greenwich, Rhode Island; Austin, Texas; Plano, Texas; Lindon, Utah; South Portland, Maine; Bedford, New Hampshire
* Canada: Burlington, Waterloo
* Belgium: Mechelen, Oudenaarde
* Czech Republic: Brno, Rožnov pod Radhoštěm
* Germany: Munich
* Ireland: Limerick
* Romania: Bucharest
* Slovakia: Bratislava
* Switzerland: Marin, Dübendorf
* India: Bangalore
* Israel: Haifa
* Japan: Aizu, Gifu, Gunma
* South Korea: Seoul, Bucheon
* Taiwan: Zhubei

### Manufacturing facilities
#### Current

* Canada: Burlington
* United States: Mountain Top, Pennsylvania (200 mm); Gresham, Oregon (200 mm); Nampa, Idaho (200 mm, 300 mm); East Fishkill, New York (300 mm)
* Czech Republic: Rožnov pod Radhoštěm (150 mm)
* China: Leshan; Shenzhen; Suzhou
* Japan: Gunma; Aizu-Wakamatsu (200 mm)
* Malaysia: Senawang, Negeri Sembilan (2 Plants, 150 mm)
* South Korea: Bucheon (150 mm, 200 mm)
* Philippines: Carmona; Tarlac City; Cebu
* Vietnam: Thuan An, Binh Duong; Bien Hoa, Dong Nai

#### Sold

* United States: Pocatello, Idaho (200 mm); South Portland, Maine (200 mm)
* Belgium: Oudenaarde (150 mm)
* Japan: Niigata (125 mm, 150 mm)

#### Closed

* United States: Phoenix, Arizona (150 mm, sold); Rochester, New York (150 mm, sold); East Greenwich, Rhode Island (150 mm, sold)
* Japan: Aizu (150 mm)

## Awards

* In 2000, onsemi won the Forbes Advertising Excellence best in category Industrial Machinery/Electrical Components.
* onsemi won the Hot 100 Electronic products of 2009 and 2012 by EDN magazine.
* In 2012, onsemi won the IR 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.
* In 2012 the company won the "Large Company of the Year Award" from the IEEE.
* In 2016, 2017, 2018, 2019, 2020, 2021 and 2022, onsemi was named in World's Most Ethical Companies by Ethisphere Institute.
The company's subsidiary AMI Semiconductor (AMIS) has also won many awards, such as President's Award and Preferred Supplier from Rockwell Collins, Strategic Supplier Award from Emerson Rosemount, Inc., Outstanding Technical Support in New Product Development from Alliant Techsystems.