WIRELESS POWER TRANSFER METHOD, APPARATUS AND SYSTEM

摘要

A wireless power transfer method for a wireless power transfer apparatus using full-bridge and half-bridge inverter topologies includes: detecting whether or not a wireless power receiver is present within a range of power being transferrable in a wireless manner; transmitting a detection signal to the wireless power receiver; receiving at least one among identification information and setting information from the wireless power receiver; receiving a control error packet from the wireless power receiver; and controlling the amount of power to be transferred by applying the combination of a driving frequency, a duty cycle or a power signal phase to the full-bridge or half-bridge inverter. [Reference numerals] (AA) Wireless power transmitter; (BB) Wireless power receiver; (CC) Tx output mode decision