METHOD AND APPARATUS FOR CONTROLLING WIRELESS POWER TRANSMISSION

A method of controlling a wireless power receiver can include transmitting, during a first determination phase, a foreign object detection status packet; before entering a first power transfer mode for receiving first power and before entering a second power transfer mode for receiving second power, receiving a determination result as to whether a foreign object is present determined based on the foreign object detection status packet; in response to determining that the foreign object is present based on the determination result, receiving the first power according to the first power transfer mode; and in response to determining that the foreign object is not present based on the determination result, receiving the second power according to the second power transfer mode.