December 9, 2021

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The NFC spec is adding a new cordless charging standard

The NFC spec is adding a new cordless charging standard
The NFC Forum has announced an update for the short-range wireless technology that adds a form of wireless charging to the standard. Future NFC devices could offer wireless charging functionality, albeit in a way that’s far more limited than the popular Qi standard used by almost every other device (via 9to5Google). The new NFC standard…

The NFC Online Forum has actually revealed an upgrade for the short-range cordless technology that adds a kind of cordless charging to the requirement. Future NFC devices might use cordless charging performance, albeit in a manner that’s even more minimal than the popular Qi requirement used by practically every other gadget ( via 9to5Google).

The brand-new NFC standard is far slower than Qi charging, offering up to 1W speeds compared to base Qi speeds of 5W. And it’ll need new hardware– you won’t be able to simply get a firmware upgrade and suddenly be able to have NFC-based wireless charging on your current device.

Thinking about that the speeds are so sluggish compared to Qi, one might question why anyone would trouble to utilize NFC charging at all. However the crucial idea behind the new NFC standard is not that it’ll be utilized to replace Qi charging on things like power-hungry smartphones, but rather enhance it.

Unlike Qi, which requires physically large coils to transfer power in between devices, the brand-new wireless charging requirements WLC standard, as it’s officially called, for NFC allows for a single antenna to handle both interactions and charging for a gadget. The idea is that smaller devices like earphones, fitness trackers, or smartwatches– all of which frequently already feature NFC antennas for connectivity– could use the new NFC-based requirement for charging on the go utilizing likewise NFC-equipped smart devices as reverse-wireless chargers.

While the WLC requirement has been formally contributed to the NFC specification, it’ll still require time for hardware business to implement the brand-new charging tech, assuming they decide to use it at all.

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