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Things You must Know about the iPhone Magnetic Wireless Charger
Magnetic wireless charging can be simply understood as adding a circle of magnets based on the original wireless charging. So that the mobile phone and the wireless charger can be positioned and paired through the attraction of the magnet. Thus entering a more efficient wireless charging state.
Advantages of magnetic suction wireless charging
Magnetic wireless charging technology is not used for the first time in Apple devices, such as Apple Watch, Apple Pencil, and other products. The difference is that the charging power of these two products is relatively small, while the charging power of the iPhone 12 is much higher.
In addition to accurate alignment, magnetic wireless charging can also ensure that the mobile phone will not be displaced due to vibration during wireless charging, and it will be in the best-charging state in real-time, improving the user experience.
How many magnets are embedded in the magnetic suction wireless charger?
The magnetic wireless charging module is arranged in a circular pattern. The annular part also has a gold FPC flexible circuit board and NFC electronic label module composed of coils.
There are five electric shocks on the flexible circuit board, two of which are spot welded. A closer look shows that the coil is welded, and the coil is wound around the inner diameter of the magnet many times. And the coil copper wire is very thin, composed of multiple strands of copper wire, and the single strand of copper wire is as thin as the hair. It can be seen that the iPhone's magnetic wireless charging takes into account both the use of wireless charging and the normal use of NFC functions. The two will not affect each other.
Will magnets affect the normal operation of other components of the phone?
It's understood that there are few products in modern electrical appliances that can be interfered with by weak magnetic fields. At the same time, the semiconductor devices on mobile phones are difficult to be interfered with by magnetic fields. Although components such as speakers will temporarily fail under strong magnetic fields, they will recover soon.
Magnets are also a very common component in Apple devices. Based on the analysis of existing cases, 102 magnets can coexist harmoniously with other components in the iPad Pro. I believe Apple is sure that 26+2 magnets will not affect the normal function of the phone.