Analog Devices to Buy Empower Semiconductor for $1.5B to Boost AI Power Delivery
Analog Devices agreed to acquire Empower Semiconductor for $1.5 billion, aiming to integrate the startup’s voltage regulator and silicon capacitor chips to address AI data center power bottlenecks. The acquisition is expected to close in H2 2026, with Empower CEO Tim Phillips staying to lead integrated voltage regulator development.
1. Acquisition Details
Analog Devices agreed to acquire Empower Semiconductor for $1.5 billion. The transaction, approved by both companies’ boards, is slated to close in the second half of 2026, subject to regulatory approvals.
2. Technology Advantages
Empower's integrated voltage regulator and silicon capacitor chips deliver power closer to processors, reducing energy loss and supporting higher compute densities. These solutions are advancing with hyperscalers and AI chip developers to meet rack-level power demands.
3. Leadership Integration
Analog Devices CEO Vincent Roche highlighted energy delivery as a critical constraint on next-generation AI systems. Empower CEO Tim Phillips will remain at the combined company to lead integrated voltage regulator technology efforts.
4. Market Context and Stock Reaction
AI data center rack power density has grown from 120 kilowatts to projections above 200 kilowatts, intensifying demand for efficient power management. After the announcement, Analog Devices shares climbed 1.2% in after-hours trading.