Power Integrations, Inc. POWI

Company Overview

Power Integrations, Inc. is a U.S.-based semiconductor company that designs and markets high-voltage integrated circuits, gate drivers, and power-conversion technologies used in electronic power supplies and energy-efficiency applications. The company operates within the broader semiconductor and power electronics industries, with a primary focus on analog and mixed-signal integrated circuits for AC-DC power conversion, motor control, and high-voltage switching applications. Its products are commonly used in consumer electronics, industrial equipment, renewable energy systems, electric vehicles, appliances, communications infrastructure, and computing devices.

The company’s principal revenue drivers include its proprietary power-conversion IC families, gate-driver technologies, and silicon-carbide-related solutions aimed at improving energy efficiency and reducing component count in electronic systems. Power Integrations is recognized for integrating high-voltage power transistors, control logic, and protection circuitry into compact semiconductor devices that simplify power-supply design. Founded in 1988 and headquartered in San Jose, California, the company expanded from serving offline power-supply markets into industrial, automotive, and clean-energy applications through internal R&D development and targeted acquisitions, including Scale-iDriver, BridgeSwitch, and silicon-carbide gate-driver technologies.