Company Description
ON Semiconductor Corporation, which does business as onsemi (Nasdaq: ON), operates in the semiconductor and related device manufacturing industry within the broader manufacturing sector. According to company disclosures, onsemi focuses on automotive, industrial and related high-growth end-markets, addressing megatrends such as vehicle electrification and safety, sustainable energy grids, industrial automation, and 5G and cloud infrastructure. The company describes its portfolio as centered on intelligent power and sensing technologies that aim to solve complex power, energy-efficiency, and sensing challenges across these markets.
onsemi’s business model is built around supplying power semiconductors, sensors, and related analog and mixed-signal devices that are used in systems ranging from electric vehicles and industrial equipment to AI data centers and aerospace, defense, and security applications. Polygon data characterizes onsemi as a supplier of power semiconductors and sensors focused on the automotive and industrial markets, and notes that the firm is among the largest power chipmakers globally and a major supplier of image sensors to the automotive market. The company has shifted from a highly vertically integrated structure to a hybrid manufacturing strategy, which is intended to provide more flexible capacity.
Across public descriptions in its news releases, onsemi emphasizes its role in enabling vehicle electrification and safety, sustainable energy grids, and industrial automation. It highlights capabilities in silicon, silicon carbide (SiC), and gallium nitride (GaN) power technologies, positioning these as a complete intelligent power portfolio that can support applications from the electrical grid through to core computing functions in AI data centers. The company states that it is included in the Nasdaq-100 Index and the S&P 500 index, underscoring its status as a large, widely followed U.S. public company.
Core technology and product focus
Based on the company’s own descriptions, onsemi’s portfolio spans several key technology domains:
- Power semiconductors in silicon, SiC, and GaN, used in power conversion, distribution, and management for applications such as electric vehicles, renewable energy systems, industrial motor drives, telecom power, and AI data centers.
- Intelligent sensing technologies, including image and other sensing solutions that support automotive safety, industrial automation, and advanced imaging for aerospace, defense, security, and scientific uses.
- Analog and mixed-signal platforms, such as the Treo platform for readout integrated circuits (ROICs), which combine precision analog, digital logic, and low-voltage power features for demanding imaging and sensing systems.
Recent company communications describe how onsemi’s GaN portfolio covers low, medium, and high-voltage lateral GaN as well as ultra high-voltage vertical GaN, enabling designers to build high-density power systems. The firm also points to solutions for solid state transformers, power supply units, high-voltage DC distribution, and core power delivery in AI data center environments, reflecting a strategy to address the entire power path from grid to compute.
End markets and applications
onsemi repeatedly identifies automotive and industrial as its primary end-markets. Within automotive, it targets vehicle electrification, safety systems, and next-generation automotive architectures that require efficient, compact, and reliable power components. In the industrial domain, the company highlights industrial automation, robotics, motor drives, and sustainable energy grids, including solar microinverters, energy storage systems, and related infrastructure.
The company also emphasizes its role in AI data centers, 5G and cloud infrastructure, and aerospace, defense, and security applications. For AI data centers, onsemi describes a roadmap that spans solid state transformers, power supply units, high-voltage distribution, and core power delivery, supported by silicon, SiC, and GaN technologies and by acquisitions such as rights to Vcore power technologies from Aura Semiconductor. In aerospace and defense, platforms like Treo are used to develop advanced infrared imaging ROICs for mission-critical systems that must operate in extreme environments.
Manufacturing and technology strategy
Polygon data notes that onsemi has moved from a highly vertically integrated model to a hybrid manufacturing strategy intended to provide flexible capacity. Company news releases further indicate that onsemi manufactures certain advanced products at its own facilities, including a site in East Fishkill, New York, which is referenced as a Category 1A Trusted Supplier facility for U.S. government-related needs. At the same time, onsemi collaborates with external foundries and manufacturing partners, such as GlobalFoundries and Innoscience, to develop and produce GaN power devices on 200mm GaN-on-silicon processes.
This combination of internal manufacturing and external partnerships allows onsemi to scale production of key technologies like GaN, while also supporting specialized platforms such as Treo for analog and mixed-signal ROICs. The company’s restructuring and cost reduction initiatives, as described in its 8-K filings, include evaluations of its manufacturing technologies and internal capabilities to align manufacturing capacity with anticipated long-term needs.
Corporate and capital markets profile
onsemi is a U.S.-based public company that trades on the Nasdaq under the ticker symbol ON. In multiple news releases, the company states that it is part of the Nasdaq-100 Index and the S&P 500 index. SEC filings list its principal corporate name as ON Semiconductor Corporation, with operations conducted through subsidiaries such as Semiconductor Components Industries, LLC.
The company communicates an approach to capital allocation that includes share repurchases. For example, a Board-approved share repurchase authorization is described in a news release, and quarterly results disclosures reference the use of free cash flow for repurchasing common stock. These actions are framed as part of the company’s capital management strategy, alongside continued investment in technologies across power and sensing.
Strategic initiatives and collaborations
onsemi’s recent public communications highlight several strategic directions:
- GaN power expansion: Collaboration agreements with GlobalFoundries and a memorandum of understanding with Innoscience to develop and manufacture GaN power devices on 200mm GaN-on-silicon processes, targeting markets such as AI data centers, electric vehicles, renewable energy, industrial systems, telecom infrastructure, consumer applications, and aerospace, defense, and security.
- Automotive partnerships: A long-term agreement with FORVIA HELLA to adopt onsemi’s PowerTrench T10 MOSFET technology across advanced automotive platforms, with an emphasis on efficiency, power density, and reliability for electrified and software-defined vehicles.
- AI data center power tree: The acquisition of rights to Vcore power technologies from Aura Semiconductor, aimed at strengthening onsemi’s ability to address the complete power tree in AI data centers, from grid-level conversion to core power delivery.
- Advanced sensing and imaging: The Treo platform, which is used by customers such as Teledyne Technologies to develop next-generation infrared imaging ROICs for aerospace, defense, security, and scientific applications, leveraging high-density, low-power architectures and radiation-resilient process features.
Risk, restructuring, and regulatory disclosures
SEC filings show that onsemi periodically undertakes restructuring and cost reduction initiatives, including the recognition of non-cash impairment and accelerated depreciation charges related to manufacturing assets. These actions are described as part of efforts to realign internal manufacturing capacity and capabilities with anticipated long-term needs. The company’s filings and news releases also include detailed discussions of risk factors, forward-looking statements, and the cyclicality of the semiconductor industry, consistent with regulatory requirements.
Investors and analysts following ON stock can use the company’s recurring 10-K, 10-Q, and 8-K filings, along with its news releases, to monitor developments in its manufacturing footprint, capital allocation decisions, strategic partnerships, and technology roadmap across power semiconductors and sensing solutions.
FAQs about onsemi (ON)
- What does onsemi do?
onsemi supplies power semiconductors, sensing technologies, and analog and mixed-signal devices, with a focus on automotive and industrial end-markets. The company positions its portfolio around intelligent power and sensing technologies that support vehicle electrification, sustainable energy grids, industrial automation, and advanced infrastructure such as AI data centers and 5G and cloud networks.
- Which markets are most important for onsemi?
According to its public descriptions, onsemi concentrates on automotive and industrial markets, including vehicle electrification and safety, industrial automation, and sustainable energy grids. It also targets AI data centers, telecom and cloud infrastructure, and aerospace, defense, security, and scientific imaging applications.
- How does onsemi describe its technology portfolio?
The company highlights a portfolio that spans silicon, silicon carbide (SiC), and gallium nitride (GaN) power technologies, along with intelligent sensing solutions and analog and mixed-signal platforms. It presents this combination as a complete intelligent power portfolio capable of supporting applications from the electrical grid to core computing in AI data centers.
- What is onsemi’s approach to manufacturing?
Polygon data indicates that onsemi has transitioned from a highly vertically integrated structure to a hybrid manufacturing strategy, using both internal facilities and external partners for flexible capacity. Company news releases reference internal manufacturing at sites such as East Fishkill, New York, and collaborations with foundries like GlobalFoundries and Innoscience for GaN power device production.
- How is onsemi involved in AI data centers?
onsemi states that it addresses the complete power tree in AI data center applications, from grid-level conversion through high-voltage DC distribution to core power delivery. It leverages silicon, SiC, and GaN power technologies and has acquired rights to Vcore power technologies from Aura Semiconductor to strengthen its power management capabilities for AI infrastructure.
- What role does onsemi play in electric vehicles?
The company emphasizes vehicle electrification and safety as core themes. Its power semiconductors and MOSFET technologies are used in automotive platforms, including collaborations with partners such as FORVIA HELLA to support advanced automotive architectures that require efficient, compact, and reliable power components.
- Is onsemi part of any major stock indices?
In multiple news releases, onsemi states that it is included in the Nasdaq-100 Index and the S&P 500 index. This indicates that ON stock is part of widely followed U.S. equity benchmarks.
- How does onsemi use capital generated by its business?
Company announcements describe a capital allocation approach that includes share repurchase programs authorized by the Board of Directors. onsemi has used free cash flow to repurchase common stock under these authorizations, while also investing in strategic initiatives in power and sensing technologies.
- What is the Treo platform mentioned in onsemi news?
Treo is described as an analog and mixed-signal platform used to develop readout integrated circuit (ROIC) ASICs for infrared imaging systems. It offers high-density, low-power architecture and process features such as low resistivity substrates and wide temperature range operation, supporting mission-critical aerospace, defense, security, and scientific imaging applications.
- Where can investors learn more about onsemi’s financial performance?
onsemi reports its financial performance through quarterly earnings releases and SEC filings such as Forms 10-Q and 10-K, as well as 8-K filings that furnish earnings releases. These documents provide details on revenue by business segment, margins, cash flow, and other financial metrics.