Power Integrations’ MinE-CAP IC Reduces Significantly AC-DC Converter Volume

November 11, 2020 Rich Nass

Aimed at high power density, universal input AC-DC converters, the Power Integrations MinE-CAP IC significantly reduces the size of the high-voltage bulk electrolytic capacitors required in the offline power supplies used in compact chargers and adapters. The IC also reduces in-rush current making NTC thermistors unnecessary, increasing system efficiency and reducing heat dissipation.

Such devices are typically one of the limiting elements when it comes to the size of the chargers. Hence, the end product can be thinner without the worry of heat issues. At the end of the day, MinE-CAP saves space while increasing system efficiency.

The MinE-CAP leverages the small size and low RDSon of PowiGaN gallium nitride transistors to actively and automatically connect and disconnect segments of the bulk capacitor network depending on AC line voltage conditions. Another benefit is that MinE-CAP reduces the number of high-voltage storage components, and shields lower voltage capacitors from mains voltage swings. Housed in a miniature MinSOP-16A package, the devices are available immediately and are priced at $1.75 for lots of 10,000.

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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