Wireless power is an extremely complex field, which is the area that the most renowned brands excel. When installing a wireless charging system in a device, the user must decide first the wireless power type that is the most suitable for the device.
In some instances, the most reputable manufacturers offer dual-mode options for maximum interoperability as well as convenience. For more convenience, you can purchase latest wireless devices such as hidden qi wireless charger through https://www.kewlabstech.com/product/invisible-wireless-charger.
The choice of coils is determined by the standard. The major manufacturers of magnetics offer the same coils (as defined). The engineer will then select coils based on the requirements of the dependent on the output voltage and input DC needs.
Most of the time, only the size of a few millimeters is needed inside the receiving end to adjust the coil and its associated electronics. A shielding system may be required to block the sound and EMI collection from happening inside the receiver. Fuel gauges are typically not included in wireless chargers.
Another aspect to be considered when integrating is that power can't be transferred across the metal enclosure since metal is a shield that blocks the receiver from the transmitter. So the system's designer needs to design a smooth plastic interface that is available in the receiver's casing so that those wireless chargers face one another.
In addition, some engineers are aware of the need to be able to identify any metallic object that is there is a metallic object within the power transfer way to evade an overheating issue. To meet this requirement all the top brands have robust detection of foreign objects and control circuitry that makes the devices fully compliant with the most stringent safety standards.