NFC now supports limited wireless charging capabilities

guest · May 6, 2020

NFC now supports limited wireless charging capabilities
May 6, 2020
https://9to5google.com/2020/05/06/nfc-wireless-charging-spec-update/

Wireless charging has finally become a standard in the smartphone world in the past few years with even the most stubborn holdouts giving in. Now, wireless charging is set to expand a bit further thanks to an updated spec for… NFC?

The NFC Forum announced this week that the NFC standard has been updated to include limited support for wireless charging. NFC is primarily used today for data exchange such as for mobile payments, so adding charging to the mix is a bit of an odd decision.
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How would this new charging option for NFC work? Apparently, the goal here is less to charge your smartphone, but rather use your smartphone to charge accessories such as headphones and smartwatches. That’s a good goal, too, seeing as speeds top out at just 1W. Still, there’s a benefit to enabling wireless charging like this without needing to use a second antenna.

The WLC enables a single antenna in an NFC-enabled device to manage both communications and charging. This solution makes it easier and more convenient to charge low-power IoT devices such as smart watches, fitness trackers, wireless earbuds, digital pens, and other consumer devices.
“Reverse wireless charging” has already become a popular feature among some Android manufacturers with examples such as Samsung and Huawei leading the charge.
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Press Release: NFC Forum Approves Global Wireless Charging Specification

WAKEFIELD, Mass. – May 5, 2020 – The NFC Forum, the global standards and advocacy association for Near Field Communication (NFC) technology, announced today that its Board of Directors approved and adopted the Wireless Charging Specification (WLC) that makes it possible to wirelessly charge small, battery-powered consumer and IoT devices with a smartphone or other NFC charging device at a power transfer rate of up to one watt. This will improve the user experience for the two billion consumers and businesses using smartphones and other NFC-enabled devices.
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