ON Semiconductor has agreed to acquire Synaptics in an all-stock transaction valued at approximately $7 billion, marking the largest acquisition in the company’s history as it intensifies its push into artificial intelligence hardware, robotics, and the rapidly emerging market for physical AI.
The semiconductor industry has seen chipmakers racing beyond traditional AI infrastructure, such as data centers, to take a position in the next wave of AI adoption: intelligent machines that can perceive, process, and act in the physical world.
Under the agreement, Synaptics shareholders will receive 1.350 shares of Onsemi common stock for each Synaptics share, representing a 19% premium based on the companies’ 10-day volume-weighted average share prices.
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The transaction combines Onsemi’s expertise in power semiconductors, automotive electronics, and industrial chips with Synaptics’ strengths in edge computing, connectivity, sensing, and human-machine interface technologies, creating a broader portfolio aimed at AI-enabled devices operating outside cloud data centers.
Speaking to Reuters, Onsemi Chief Executive Hassane El-Khoury said the acquisition would significantly accelerate the company’s ambitions in physical AI.
“What Synaptics brings to us is this acceleration with a world-class connected compute platform that is already in the markets [that we play in],” El-Khoury said.
He added: “That combination is going to create a market leader in what is to be known as the physical AI realm.”
Physical AI refers to artificial intelligence embedded directly into machines, robots, industrial equipment, vehicles, and connected devices that interact with the real world. Unlike large language models that primarily operate in cloud environments, physical AI combines sensing, computing, decision-making, and actuation to enable autonomous actions in physical environments.
Industry analysts now see physical AI as the next major growth frontier following the explosive demand for AI infrastructure that has driven record spending on GPUs and cloud computing over the past several years.
The acquisition gives Onsemi immediate access to Synaptics’ connected computing platforms, wireless connectivity technologies, and edge AI capabilities, allowing the combined company to address a much broader range of intelligent devices.
El-Khoury said the company also expects to benefit from Synaptics’ leadership in human-machine interface (HMI) technologies, which enable users to interact with electronic systems through touch, voice, gesture, and biometric controls. Beyond consumer electronics, those technologies are becoming increasingly important in autonomous vehicles, industrial automation, medical equipment, and next-generation robotics.
The CEO also highlighted Synaptics’ research and development capabilities in robotics and humanoid systems as a key strategic attraction.
The acquisition puts Onsemi in a position to participate more aggressively in markets expected to experience rapid AI-driven growth over the remainder of the decade, including autonomous factories, collaborative robots, intelligent manufacturing systems, AI-powered medical devices, and smart infrastructure.
According to the company, the transaction will expand its total addressable market by $30 billion, increasing the markets it can pursue to $243 billion by 2030. That projection underscores how semiconductor manufacturers are increasingly redefining themselves as AI platform providers rather than suppliers of individual chip components.
The deal also strengthens Onsemi’s competitive position against larger semiconductor rivals that are making similar bets on edge AI and intelligent computing. Companies across the industry are investing heavily in processors capable of running AI models locally on devices rather than relying exclusively on cloud-based inference. Running AI at the edge reduces latency, improves privacy, lowers bandwidth costs, and enables autonomous operation in environments where internet connectivity is limited or unavailable.
These capabilities are becoming essential for applications ranging from advanced driver-assistance systems and factory automation to drones, wearable devices, and service robots.
While investors welcomed the premium offered to Synaptics shareholders, the market reacted cautiously to the scale of the acquisition. Synaptics shares climbed more than 10% in extended trading following the announcement, reflecting confidence in the agreed valuation.
Onsemi shares, however, fell nearly 10%, suggesting investors remain concerned about the financial execution risks associated with integrating the company’s largest acquisition and the time required to realize expected synergies.
Large semiconductor acquisitions often involve complex integration challenges, including combining engineering teams, aligning product roadmaps, and managing overlapping customer relationships.
Nevertheless, the strategic rationale appears consistent with broader industry trends.
The AI boom is increasingly shifting from training massive foundation models inside hyperscale data centers toward deploying intelligence across billions of connected devices. That transition is expected to generate sustained demand for semiconductors capable of sensing, processing, and executing AI workloads directly on machines operating in the physical world.
For Onsemi, the Synaptics acquisition represents a decisive step toward capturing that opportunity by combining power management, sensing, connectivity, and edge computing under one portfolio. Analysts believe the company is readying up to become a more comprehensive supplier of AI hardware for automotive, industrial, robotics, and intelligent edge applications, sectors that are expected to drive the next phase of semiconductor industry growth.