National Semiconductor, headquartered in Santa Clara, California, is a leading developer of analogue power management technology, producing a wide range of power management products, including easy-to-use integrated circuits, products that improve system energy efficiency, and products that increase the power generation of solar energy systems. NS combines analogue and digital technologies to focus on analogue-based semiconductor products, including stand-alone components and subsystems in the areas of power management, graphics technology, display drivers, audio and operational amplifiers, interface products, and data conversion solutions, etc. NS distributors represent analogue chips for mobile phones, displays, a variety of portable applications, and a wide range of electronic product markets.