FIELD: electricity.
SUBSTANCE: invention relates to wireless charging, and more specifically to a wireless charging device, a charging device, a method of controlling a wireless charging device and a method of controlling a charged device. Wireless charger (10) comprises wireless transmitting circuit (12), transmitting coil (14) and control circuit (16). Transmitting coil (14) contains several pairs of connections, and the number of turns of the transmitting coil limited by each pair of connections, are different. Control circuit (16) is configured to select one of plurality of pairs of connections for its electrical connection to wireless transmitting circuit.
EFFECT: technical result consists in that the transmitting coil has several pairs of connections, and the control circuit can select and switch between several pairs of connections in accordance with actual requirements, which increases convenience of wireless charging.
9 cl, 8 dwg
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