Panthronics is aiming at wireless chargers for earbuds, lifestyle-tracker wristbands with a sinewave power driver for inductive antennas. PTX100W can deliver over 2.5W to devices batteries smaller than 500mAh and small antennas, using NFC-like connections. “Qi wireless charging, popular in smartphones, is unsuitable for smaller devices because it requires a large antenna and costly circuitry,” according ...
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