POWER RECEIVING APPARATUS AND METHOD FOR CONTROLLING CHARGING OF POWER RECEIVING APPARATUS

Disclosed is a power receiving apparatus comprising a power receiving unit, a communication circuit, a modulation depth monitoring circuit, and a processor electrically connected to the power receiving unit, the communication circuit, and the modulation depth monitoring circuit, wherein: the power receiving unit comprises a receiving circuit which receives power from a wireless power transmitter and includes a coil and a first capacitor, and a rectifier circuit which rectifies the power received by the receiving circuit and converts same into direct current power; the communication circuit comprises a plurality of detuning switch units that include a second capacitor and a switch and change a voltage of the power received by the coil, and a demodulation circuit that turns on or off the switch on the basis of a control signal received by the processor; the modulation depth monitoring circuit monitors a voltage of the rectified direct current power and measures and provides a modulation depth to the processor; and the processor identifies a detuning switching unit to perform data modulation among the plurality of detuning switching units on the basis of the modulation depth, and controls the modulation circuit so as to modulate data through the identified detuning switching unit to limit the modulation depth to be within a defined range, and controls the modulation circuit on the basis of the data to be transmitted to the wireless power transmitter. Various other embodiments identified through the specification are possible. Est divulgué un appareil de réception d'énergie comprenant une unité de réception d'énergie, un circuit de communication, un circuit de surveillance de profondeur de modulation et un processeur électriquement connecté à l'unité de réception d'énergie, au circuit de communication et au circuit de surveillance de profondeur de modulation : l'unité de réception d'énergie comprenant un circuit de réception qui reçoit une énergie d'un émetteur d'énergie sans fil et comprend une bobine et un premier condensateur, et un circuit redresseur qui redresse l'énergie reçue par le circuit de réception et convertit cette dernière en courant continu ; le circuit de communication comprenant une pluralité d'unités de commutation de désaccord qui comportent un second condensateur et un commutateur et modifient une tension de l'énergie reçue par la bobine, et un circuit de démodulation qui active ou désactive le commutateur sur la base d'un signal de comman