Power Integrations

The chip that turns the high voltage from a wall outlet into the low, safe voltage your phone charger or appliance needs is Power Integrations' specialty. The company designs high-voltage integrated circuits for power conversion, the analog and mixed-signal parts that manage AC-to-DC switching in chargers, appliances, industrial gear, and increasingly electric vehicles and renewable-energy systems. Its edge is packing high-voltage functions onto a single chip, which shrinks the part count, cost, and size of a power supply. Because its chips end up in a huge variety of everyday electronics, demand tracks consumer and industrial electronics broadly rather than any single product. The company has pushed into gallium nitride, a newer material that switches faster and runs more efficiently than silicon at high voltages. Founded in 1988, Power Integrations is based in San Jose, California.

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