All You Need To Know About Xiaomi Air Charge Technology



 Xiaomi has announced “Mi Air Charge Technology,” a wireless charging system that the company claims is able to charge devices “within a radius of several meters.” Multiple devices can be charged at 5W at the same time, according to Xiaomi, and physical obstacles apparently don’t reduce charging efficiency.


Mi Air Charge Technology – 5W remote charging
We’re excited to bring you the remote charging technology – Mi Air Charge Technology! Charge multiple devices simultaneously while you’re gaming, walking around or even when something’s in the way, no strings attached. Another giant leap forward in wireless charging technology!

 pic.twitter.com/wEoB10wOQ2


HIGHLIGHTS

  • Mi Air Charge technology has been unveiled by Xiaomi
  • The technology requires a specific hardware on the phone
  • Xiaomi has not yet provided clarity on any health implications
  • The core technology of Xiaomi’s remote charging lies in space positioning and energy transmission. Xiaomi’s self-developed isolated charging pile has five phase interference antennas built in, which can accurately detect the location of the smartphone. A phase control array composed of 144 antennas transmits millimeter-wide waves directly to the phone through beamforming.


On the smartphone side, Xiaomi has also developed a miniaturized antenna array with built-in “beacon antenna” and “receiving antenna array”. Beacon antenna broadcasts position information with low power consumption. The receiving antenna array composed of 14 antennas converts the millimeter wave signal emitted by the charging pile into electric energy through the rectifier circuit, to turn the sci-fi charging experience into reality.
Currently, Xiaomi remote charging technology is capable of 5-watt remote charging for a single device within a radius of several meters. Apart from that, multiple devices can also be charged at the same time (each device supports 5 watts), and even physical obstacles do not reduce the charging efficiency. 

If you don't trust me so you can see this tweet by official Xiaomi :

We’re excited to bring you the remote charging technology – Mi Air Charge Technology! Charge multiple devices simultaneously while you’re gaming, walking around or even when something’s in the way, no strings attached. Another giant leap forward in wireless charging technology!

— Xiaomi (@Xiaomi) January 29, 2021

Xiaomi's Mi Air Charge tech is only being showcased for now, with a Xiaomi spokesperson providing clarity on Twitter by saying that the Mi Air Charge is currently a tech demo and is not coming to any consumer products this year. It is currently unclear whether Xiaomi has applied for any regulatory approvals for the new wireless charging technology. The company has also not provided any details on whether its development has been tested for health risks. We've reached out for more details.


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