ON Semiconductor said Thursday it has agreed to acquire Synaptics in an all-stock transaction valued at about $7 billion, the largest acquisition in the chip maker’s history and its most aggressive bet yet on artificial intelligence that lives inside devices. Under the terms, Synaptics shareholders will receive 1.350 ON Semiconductor shares for each Synaptics share, a 19% premium over the two companies’ volume-weighted average closing prices over the past 10 trading days.
The deal pairs two companies with complementary strengths. ON Semiconductor, based in Scottsdale, Arizona, built its business on power management chips, image sensors, and automotive semiconductors — the components that regulate electricity in cars, factories, and industrial equipment. Synaptics, the San Jose company best known for the touchpads and display controllers that have sat inside laptops for two decades, has spent recent years pushing into edge AI computing, designing chips that run machine-learning models on the device itself rather than in the cloud.
ON Semiconductor’s chief executive, Hassane El-Khoury, said the combination positions the company for what the industry calls physical AI — artificial intelligence embedded in machines and devices that must perceive and act in the real world. “Synaptics’ connected computing platforms complement our strengths in automotive, power, and industrial markets,” El-Khoury said in a statement. The logic of the deal is that the next wave of AI demand will not come from data centers alone but from the devices around them: cars that interpret the road, factory robots that sort parts, home appliances that respond to voice.
The transaction is a significant shift for ON Semiconductor, which has historically grown through disciplined product-line management rather than large-scale dealmaking. Under El-Khoury, who took over in 2020, the company has pruned commodity businesses, focused on high-margin automotive and industrial customers, and rebuilt its image-sensing franchise. Buying Synaptics moves the company into a faster-growing corner of the chip market — edge AI — where growth rates are higher than the mature automotive segment and where ON Semiconductor’s manufacturing scale could help Synaptics bring designs to market more cheaply.
The premium reflects the strategic value the buyer sees in Synaptics’s intellectual property. Synaptics holds a large patent portfolio in human-interface technology and has been developing AI accelerators for laptops and Internet-of-Things devices, an area where ON Semiconductor has had little presence. Analysts said the deal gives ON Semiconductor an instant position in AI-on-device computing, a market expected to grow as companies move workloads off the cloud for reasons of cost, latency, and privacy.
Synaptics’s journey to this deal began in a different era of computing. The company’s touch controllers helped make the laptop trackpad a standard feature, and its display drivers shipped in millions of screens a year; for a long stretch, most Windows laptops contained at least one Synaptics component. That franchise matured as PCs stopped growing, and management spent years steering the company toward automotive displays, smart-home devices, and edge AI. The pivot gave Synaptics a story but not scale: revenue has been roughly flat for several years, and the company’s market value sat well below the level implied by its portfolio of patents and design wins.
The all-stock structure carries its own message. By paying in shares rather than cash, ON Semiconductor avoids loading its balance sheet with debt at a time when interest rates remain elevated, and it shares the risk of the integration with Synaptics’s shareholders, who will become ON Semiconductor owners. The deal also signals confidence in ON Semiconductor’s own stock, which has risen this year as investors warmed to the physical AI theme.
Chip industry observers noted the deal is part of a wave of consolidation as semiconductor companies hunt for AI exposure beyond Nvidia’s orbit. Custom chip designers, sensor makers, and power suppliers have all been acquiring or partnering to position themselves in the AI supply chain, and the scramble has pushed valuations up across the sector. Synaptics, with its mix of legacy PC franchises and emerging AI products, had been seen as a potential takeover target for months, according to people familiar with the matter.
The deal now faces regulatory review and approval from shareholders of both companies. Synaptics’s board has unanimously approved the transaction, and ON Semiconductor’s board has done the same; the companies said they expect the deal to close in the second half of the year. El-Khoury said the combined company will continue to serve both customer bases, with Synaptics’s product lines remaining in place while the engineering teams work to merge roadmaps.
For investors, the question is whether the premium was worth paying. ON Semiconductor’s shares dipped slightly after the announcement, a sign that some holders question the price even as they accept the strategy. The company argued the deal will be accretive within its first full year and that Synaptics’s products give it a growth engine that its mature core business no longer provides. If physical AI grows as its proponents expect, the $7 billion price may look modest in hindsight; if the category matures more slowly, the deal will be judged as a costly detour.
