Power Integrations is a semiconductor company specializing in high-voltage power conversion. Its technologies are used in power supplies and energy-sensitive systems across a broad range of markets, including consumer electronics, appliances, industrial equipment, automotive applications, lighting, and clean-energy infrastructure.

The company is best known for highly integrated power-conversion devices that help engineers reduce component count, improve efficiency, and manage standby power more effectively. Over the years, Power Integrations has built a strong reputation in offline AC-DC conversion, while also expanding into areas such as gate drivers, motor drives, automotive power, and gallium nitride-based switching technologies.

Its products are designed to address practical engineering challenges around thermal performance, efficiency, form factor, and manufacturability, making them relevant in applications that range from compact low-power devices through to much larger power systems. With a long history in power electronics and integrated switcher design, Power Integrations remains a well-established name in the development of semiconductors for efficient energy conversion.