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USB port power controllers for active connectors

Posted: 14 Aug 2013 ?? ?Print Version ?Bookmark and Share

Keywords:Microchip Technology? USB? power controller?

Microchip Technology recently expanded its programmable USB port power controller portfolio with the three-member UCS100X family. The power controllers offer advanced USB-based charging capabilities for designing host devices, such as laptops, tablets, monitors, docking stations and printers; as well as dedicated AC-DC power-supply and charging products, such as wall adapters.

Microchip's USB port power controllers are an expansion of its popular UCS1001 and UCS1002 series. These controllers offer higher current and priority charging for smartphones and tablets. The UCS100X have also added support for active cables, such as the Apple Lightning connector, along with 12W charging.

The UCS1002-2 features a built-in current sensor that can report on the amount of charging current. This allows a system to optimise its charging current and appropriately allocate power. Additionally, the UCS100X can support future USB product designs via a flexible method for detecting and creating charging emulation profiles. This allows designers to update their systems as new products are introduced to the market, while providing compatibility with a wider range of existing products.

"With this expansion of our programmable USB port power controller portfolio, Microchip continues to charge portable systems better than anybody else," said Bryan J. Liddiard, marketing vice president of Microchip's Analog and Interface Products Division. "The UCS1002 continues to be the only series of programmable USB port power controllers on the market that can be updated for future charging profiles. This flexibility is vital to preventing the obsolescence of a USB charging port." The UCS1001-3, UCS1001-4 and UCS1002-2 are available now for sampling in a 20-pin QFN package.





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