METHOD FOR DETECTING CHANGE IN LOAD DURING WIRELESS CHARGING AND WIRELESS POWER TRANSMITTER THEREOF
First Claim
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1. A wireless power transmitter comprising:
- a power transmission unit configured to transmit power to a wireless power receiver;
a current detection unit configured to measure a voltage value corresponding to a current that is output to the power transmission unit while the power is transmitted from the power transmission unit; and
a controller configured to adjust the power transmitted by the power transmission unit based on the measured voltage value.
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Abstract
A wireless power transmitter and a method for detecting a change in load during wireless charging in the wireless power transmitter is provided. The wireless power transmitter includes a power transmission unit configured to transmit power to a wireless power receiver, a current detection unit configured to measure a voltage value corresponding to a current that is output to the power transmission unit while the power is transmitted from the power transmission unit, and a controller configured to adjust the power transmitted by the power transmission unit based on the measured voltage value.
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Citations
15 Claims
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1. A wireless power transmitter comprising:
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a power transmission unit configured to transmit power to a wireless power receiver; a current detection unit configured to measure a voltage value corresponding to a current that is output to the power transmission unit while the power is transmitted from the power transmission unit; and a controller configured to adjust the power transmitted by the power transmission unit based on the measured voltage value. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method for detecting a change in load during wireless charging in a wireless power transmitter, the method comprising:
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transmitting power to a wireless power receiver through a power transmission unit; measuring a voltage value corresponding to a current that is output to the power transmission unit while the power is transmitted from the power transmission unit; and adjusting the power that is transmitted from the power transmission unit, based on the measured voltage value. - View Dependent Claims (13, 14, 15)
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Specification