Power Integrations Inc design, develop and market analog and mixed-signal integrated circuits (ICs) and other electronic components and circuitry used in high-voltage power conversion. Products are used in power converters that convert electricity from a high-voltage source to the type of power required for a specified downstream use. Products are used in electronic products including mobile phones, computing and networking equipment, appliances, electronic utility meters, battery-powered tools, industrial controls, and home-automation, or internet of things applications such as networked thermostats, power strips and security devices.. Geographically, the company generates maximum revenue from China and Hong Kong.