ON Semiconductor
onsemi (ON Semiconductor) is a leading semiconductor supplier delivering intelligent power and sensing technologies for automotive, industrial, and AI data center applications.
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onsemi (formerly ON Semiconductor Corporation) is an American semiconductor company headquartered in Scottsdale, Arizona. Founded in 1999 as a spinoff of Motorola's Semiconductor Components Group, onsemi has grown into a leader in intelligent power and sensing technologies that enable electrification, energy efficiency, safety, and automation.
The company focuses on three core technology areas:
- Power Semiconductors: IGBTs, SiC MOSFETs, silicon MOSFETs, power modules, voltage regulators, and power management ICs
- Sensing Technologies: CMOS image sensors, image processors, photodetectors (SPAD, SiPM), and integrated sensing modules
- Integrated Components: Gate drivers, protection devices, and analog signal chain components
onsemi serves critical end markets including automotive (ADAS, electrification, lighting), industrial (automation, energy infrastructure), and AI data centers (power delivery, thermal management). With 19 manufacturing sites, 43 design centers, and 8 solution engineering centers globally, onsemi delivers comprehensive support for complex power and sensing applications.
Frequently Asked Questions
- What is onsemi best known for?
- onsemi is best known for power semiconductors (MOSFETs, IGBTs, SiC devices) and image sensors, particularly for automotive ADAS, vehicle electrification, and industrial automation applications.
- Does onsemi manufacture silicon carbide (SiC) devices?
- Yes, onsemi is a major manufacturer of silicon carbide (SiC) MOSFETs and modules, which are increasingly used in electric vehicles, renewable energy systems, and high-efficiency power conversion.
- What automotive applications use onsemi products?
- onsemi products are used in ADAS (image sensors), EV powertrains (SiC modules), vehicle lighting (LED drivers), and battery management systems across the automotive industry.
- Is ON Semiconductor the same as onsemi?
- Yes, ON Semiconductor rebranded to onsemi in 2021. The company continues to operate under the onsemi name while maintaining all product lines and part numbers.