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I’m looking for higher-power NFC wireless charging reference designs.

Luke_Lin 312 3
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  • #1 21949907
    Luke_Lin
    Level 2  
    Posts: 6
    I tested an NFC wireless charger for tiny devices that outputs 5 V/45 mA on the receiving end with ~33% efficiency. Does anyone know higher-power NFC charging solutions I can reference?
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  • #2 21950027
    clubber84
    Level 39  
    Posts: 5232
    Help: 452
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    Hello,
    Luke_Lin wrote:
    Does anyone know of any solutions for higher-power NFC charging that I could refer to?

    Based on the question, an electric induction hob works on the same principle, only the parameters of the electromagnetic field are different.

    Kind regards
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  • #3 21950820
    jarek_lnx
    Level 43  
    Posts: 22751
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    NFC is a communication method; it can barely power a simple data-receiving circuit in a contactless card – compare this with Qi, which is used for charging and has a higher power output.
  • #4 21951410
    Luke_Lin
    Level 2  
    Posts: 6
    >>21950027 >>21950027 Yes, working on 13.56 MHz.

    Added after 11 [minutes]:

    @jarek_lnx Thanks for your comment. Do you know NFC Forum WLC? One NFC antenna can do NFC communication and wireless power supply at the same time. I’m testing a similar solution right now.

    Added after 2 [minutes]:

    @clubber84 Thanks for your comment. Yes, working on 13.56 MHz.
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