InnoSwitch3-Pro ICs Power Integrations InnoSwitch™3-Pro ICs simplify the development and manufacturing of fully programmable, highly efficient power supplies, particularly those in compact enclosures. Power Integrations InnoSwitch3-Pro offers a universal I2C interface enabling dynamic control of output voltage and current along with many configurable features. These features include a highly integrated compact footprint, energy-efficient EcoSmart™, advanced protection/safety, and full safety and regulatory compliance.