The impact of technologies used in wireless chargers on the process of charging mobile devices

W pracy podjęto tematykę ładowania bezprzewodowego urządzeń mobilnych. Opisano zasadę działania bezprzewodowego przesyłu energii elektrycznej oraz standard Qi Wireless Charging określający parametry pracy urządzeń. Ponadto przedstawiono technologie Quick Charge oraz USB Power Delivery w odniesieniu do współpracy z ładowarkami indukcyjnymi. Przeprowadzono pomiary procesu ładowania dla urządzeń korzystających z wcześniej opisanego standardu i technologii. Wykonano charakterystyki przedstawiające zmiany mocy i temperatury w trakcie procesu ładowania dla różnych wariantów pomiarowych.The paper deals with wireless charging technologies for mobile devices. The principles of wireless charging have been described, as well as Qi Wireless Charging standard which utilizes it. Moreover, the paper also presents the cooperation of Quick Charge technology and USB Power Delivery with wireless chargers. The parameters of the charging process with mentioned technologies were measured. Characteristics showing changes of power and temperature during the charging process for various measurement variants were made

Analysis of the wireless charging technologies impact on the charging process parameters of mobile devices

The paper deals with wireless charging of mobile devices. Quick Charge and USB Power Delivery technologies were presented; in relation to cooperation with induction chargers. Charging measurements for devices were carried out with the reference to the previously described standard and technology. Characteristics showing the changes in power and state of charge during the charging process for various measurement variants were made