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Rapid Charging Chipset Charges Mobile Devices Four Times Faster

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Rapid Charging Chipset Charges Mobile Devices Four Times Faster

Dialog Semiconductor today announced a fast and efficient charging chipset for mobile devices such as smartphones and tablets. The Quick Charge 3.0 (QC3.0) chipset is claimed to offer nearly 40% more efficiency and easy pin compatible upgrade from prior version 2.0, and refuels mobile devices four times faster than conventional charging solutions. The solution also allows the design of compact AC/DC adapters with minimized heat dissipation and increased output power, claims the company.

The solution optimizes transformer design and minimizes charge time by offering a constant power profile for 3-amp USB-C charging. The chip leverages a iW1782 primary-side AC/DC controller and a iW636 secondary-side controller. However, an overall system efficiency of approximately 90 per cent can be acheived with a complementary digital green-mode synchronous rectifier controller, the iW673.

“Dialog is again demonstrating innovation to meet emerging power management challenges in the mobile device industry quickly and confidently. Working closely with Qualcomm, we developed our new QC3.0 chip set setting a new benchmark for system efficiency, performance, size and cost. Pin-compatibility with our previous generation chipset is allowing our leading smartphone customers to upgrade quickly to this latest rapid charging specification”, said Davin Lee, Senior Vice President and General Manager of the Power Conversion Business Group at Dialog.

The new QC3.0 chip has now started volume production.

Click here to view full Press release.

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