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Intersil, a Renesas company, is a leader in the design and manufacture of high-performance analog, mixed-signal and power management semiconductors. Intersil customers build the products and applications of the future in the industrial, infrastructure, mobile computing, automotive and aerospace markets. Our advances in power management help customers improve efficiency, power density and battery life.

A Legacy of Innovation

Intersil has leveraged a deep portfolio of intellectual property, a history of design and process innovation and a system-level view to deliver unique benefits for the latest electronic systems. Intersil’s customers have been recognized as innovators in their chosen markets, and our IC solutions formed the building blocks of the latest devices adding intelligence, mobility and true energy efficiency.

We were formed in August 1999 when we acquired the semiconductor business of Harris Corporation and began operating as Intersil Corporation. That semiconductor business included product portfolios and intellectual property dating back to 1967 when semiconductor companies were just emerging in Silicon Valley. That history of leadership continued as the company evolved, and in early 2000, Intersil went public in what was then the largest semiconductor IPO in US history.

Since then, the company has developed market leadership in power management and precision analog technology for many of the most rigorous applications in the computing, consumer and industrial markets. The company supplies a full range of power IC solutions including battery management, computing power, display power, regulators and controllers and power modules; as well as precision analog components such as amplifiers and buffers, proximity and light sensors, data converters, timing products, optoelectronics and interface products. As a major supplier to the military and aerospace industries, Intersil’s product development methodologies reflect experience designing products to meet the highest standards for reliability and performance in challenging environments.

Product Catalog



Technical Articles

Inside a New Architecture for USB Type-C Applications (Power and Power Management IC) The USB-C interface is revolutionizing the way we charge our electronics devices. In addition to data transfer, USB-C supports bidirectional power flow at a much higher voltage range than traditional... (View Full Article)
Simplifying Power Supply Design with a 15A, 42V Power Module (Power Supplies) The DC/DC buck converter is one of the most popular and widely used power supply topologies, finding applications in industrial, servers, telecom, and automotive sectors. The non-isolated buck... (View Full Article)