Method for preventing abnormality during wireless charging
First Claim
1. A control method of a wireless power transmitter, the method comprising:
- transmitting power to a plurality of wireless power receivers based on a first power value required by a first wireless power receiver;
before reaching a threshold condition in which a system error occurs in the wireless power transmitter, selecting a second wireless power receiver among the plurality of wireless power receivers; and
transmitting power to the plurality of wireless power receivers based on a second power value required by the second wireless power receiver,wherein the system error comprises at least one of an over-temperature error, an over-current error, and an over-voltage error.
1 Assignment
0 Petitions
Accused Products
Abstract
A method of preventing an abnormality during wireless charging is provided. The method includes transmitting wireless charging power to a plurality of wireless power receivers based on a first power value determined according to a first mode by a wireless power transmitter, determining whether the wireless power transmitter or at least one of the plurality of wireless power receivers satisfies an abnormality occurrence condition, and if the abnormality occurrence condition is satisfied, transmitting wireless charging power to the plurality of wireless power receivers based on a second power value determined according to a second mode by the wireless power transmitter.
25 Citations
20 Claims
-
1. A control method of a wireless power transmitter, the method comprising:
-
transmitting power to a plurality of wireless power receivers based on a first power value required by a first wireless power receiver; before reaching a threshold condition in which a system error occurs in the wireless power transmitter, selecting a second wireless power receiver among the plurality of wireless power receivers; and transmitting power to the plurality of wireless power receivers based on a second power value required by the second wireless power receiver, wherein the system error comprises at least one of an over-temperature error, an over-current error, and an over-voltage error. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
-
-
11. A wireless power transmitter for wirelessly charging a plurality of wireless power receivers, the wireless power transmitter comprising:
-
a power transmitter configured to wirelessly transmit power to the plurality of wireless power receivers based on a first power value required by a first wireless power receiver; a communication unit configured to transmit a signal to the plurality of wireless power receivers; and a controller configured to; before reaching a threshold condition in which a system error occurs in the wireless power transmitter, select a second wireless power receiver among the plurality of wireless power receivers; and control the power transmitter to transmit power to the plurality of wireless power receivers based on a second power value required by the second wireless power receiver, wherein the system error comprises at least one of an over-temperature error, an over-current error, and an over-voltage error. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
-
Specification