With the advancing technology the shift towards the wireless charging is very evident across the globe. The consortiums such as Wireless Power Consortiums (WPC), Alliance for Wireless Power (A4WP), and Power Matters Alliance (PMA) in connotation with the various industry players are working to conform the standards for the wireless charging which can be across the wireless devices. Prototypes based various technologies have been developed and tested, which supports the seamless wireless charging. Wireless charging has a wide array of applications in medical, military, and automobile, however, the adoption is limited to consumer electronics that too for smartphones, tablet and wearables.
It is apparent from the name itself the wireless charging is a way to charge your devices without any physical connection between them. It uses an electromagnetic field to transfer energy between the objects. A wireless charging system has two coils: a transmitter, AC current is passed through the transmitter which generates a magnetic field; and a receiver, voltage is induced in the receiver because of the magnetic field which in turn charges the device.
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With the explosion wireless devices the task of wired charging has become a big hassle for the individuals. Each device is compatible with a different charger; so many wires all around. This factor is the driving force for the growth of wireless chargers. Wireless charging finds its application in many segments namely consumer electronics, automotive, healthcare, military and industrial segments. Wireless charging is widely used in the consumer electronics segment; smartphone segment is the fastest growing market for wireless chargers. Apart from consumer electronics, automotive and healthcare is making use of this technology.
The most widely adopted wireless charging technique is the inductive charging;...