Intersil Corporation, a subsidiary of Renesas Electronics Corporation since 2017, is a renowned designer and manufacturer of high-performance analog and mixed-signal integrated circuits (ICs). Headquartered in Milpitas, California, Intersil traces its heritage to Harris Semiconductor, established in the 1960s, and emerged as an independent entity in 1999 following a strategic spin-off. With a legacy of innovation spanning decades, Intersil has built a reputation for delivering precision power management, data conversion, and signal conditioning solutions tailored for mission-critical applications.

Product Portfolio and Markets
Intersil’s diverse product lineup includes power management ICs, amplifiers, voltage regulators, and data converters, serving industries such as industrial automation, automotive, telecommunications, aerospace, and consumer electronics. The company excels in creating energy-efficient, high-reliability components optimized for harsh environments, making its solutions vital for automotive systems, medical devices, and industrial equipment. Notable technologies include advanced PWM controllers, battery management systems, and radiation-hardened ICs for aerospace applications.

Innovation and Global Presence
With a strong emphasis on R&D, Intersil has consistently introduced cutting-edge technologies, holding numerous patents that underscore its leadership in analog innovation. Prior to its acquisition, Intersil was publicly traded on NASDAQ (ISIL) and recognized for its customer-centric approach, collaborating closely with clients to develop customized solutions. The company maintains a global footprint, with design centers and manufacturing facilities across the U.S., Europe, and Asia, ensuring robust supply chain resilience.

Strategic Acquisition and Future Outlook
Renesas’ acquisition of Intersil in 2017 strengthened both companies’ positions in the semiconductor market, combining Intersil’s analog expertise with Renesas’ digital capabilities. Today, Intersil operates as a pivotal division within Renesas, enhancing its portfolio with high-performance analog solutions while retaining its brand identity. Committed to advancing next-generation technologies like IoT, AI, and electric vehicles, Intersil continues to drive innovation, solidifying its role as a trusted partner in enabling smarter, more efficient electronic systems worldwide.