Power Integrations’ InnoSwitch3-Pro integrated switcher supports USB PD 3.0 + PPS

March 20, 2018 Rich Nass

Some in our industry would say that the power sector moves painfully slow. If you were at APEC last week, you’d know that such a statement is a foolish one. Further evidence comes from Power Integrations, who released the InnoSwitch3-Pro family of configurable off-line CV/CC and CP flyback switcher ICs.

Capable of delivering up to 65 W and achieving up to 94% efficiency across line and load conditions, the devices permit precise, dynamically adjustable, control of voltage (10 mV step) and current (50 mA step), via a simple two-wire I2C interface. Devices can be paired with an MCU or take inputs from the system CPU to control and monitor the off-line power supply.

Applications include any rapid-charging protocol, including USB Power Delivery (PD) 3.0 + PPS, Quick Charge 4/4+, AFC, VOOC, SCP, FCP and other industrial and consumer battery chargers, dimmable LED ballast drivers and field-configurable industrial power supplies.

The InnoSwitch3-Pro power-conversion ICs include a microprocessor VCC supply, which eliminates the need for an external LDO to power the MCU; also included is an n-channel FET driver that can enable or disable the main power output. Samples are available now, priced at $1.12, in 10,000-piece quantities.

About the Author

Rich Nass

Richard Nass is the Executive Vice-President of OpenSystems Media. His key responsibilities include setting the direction for all aspects of OpenSystems Media’s Embedded and IoT product portfolios, including web sites, e-newsletters, print and digital magazines, and various other digital and print activities. He was instrumental in developing the company's on-line educational portal, Embedded University. Previously, Nass was the Brand Director for UBM’s award-winning Design News property. Prior to that, he led the content team for UBM Canon’s Medical Devices Group, as well all custom properties and events in the U.S., Europe, and Asia. Nass has been in the engineering OEM industry for more than 25 years. In prior stints, he led the Content Team at EE Times, handling the Embedded and Custom groups and the TechOnline DesignLine network of design engineering web sites. Nass holds a BSEE degree from the New Jersey Institute of Technology.

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