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- W2947255430 abstract "This paper describes a small power converter used for wireless power transfer (WPT) systems in mobile devices. We propose two techniques as part of a new architecture. The first is a control method for combining a rectifier and a DC-DC step-down converter while properly maintaining the regulation and rectification, and the second involves incorporating a clock generator synchronized with an AC input. These techniques enable controlling a power converter while eliminating the need for a clock oscillator, and reducing the size of an inductor by a generated fast-frequency clock. A prototype was implemented with discrete components, and the power efficiency was 64% at 20 V input and 5 V/100 mA output. The efficiency was almost the same value as a conventional converter using an external clock. The active area is only 20 mm × 20 mm with a 1.2 mm height. This size is suitable for wearable devices." @default.
- W2947255430 created "2019-06-07" @default.
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- W2947255430 date "2019-03-01" @default.
- W2947255430 modified "2023-09-24" @default.
- W2947255430 title "1.2-mm Thin and Compact Direct AC-DC Converter in Wireless Power Receiver Suitable for Wearable Devices" @default.
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- W2947255430 doi "https://doi.org/10.1109/apec.2019.8721912" @default.
- W2947255430 hasPublicationYear "2019" @default.
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