Charging control method and electronic device for supporting the same

1. An electronic device, comprising:

a plurality of ports, wherein the plurality of ports comprise a first port and a second port;

a battery configured to receive a charging power through at least one of the plurality of ports;

a control circuit configured to control charging of the battery by using power from a plurality of charging devices connected to the plurality of ports, the plurality of charging devices including at least one variable capacity charging device;

a charging circuit configured to charge the battery by using power supplied from the plurality of charging devices; and

a plurality of communication circuits configured to communicate with the plurality of charging devices and receive a plurality of power and voltage information from the at least one variable capacity charging device,

wherein the control circuit electrically connected with the plurality of communication circuits and the charging circuit is configured to:

set a charging power level of the at least one variable capacity charging device based on the plurality of power and voltage information and a battery charging power capacity of the charging circuit;

when a second charging device is connected to the second port while supplying a charging power from a first charging device connected to the first port to the battery, set a charging power level of the second charging device in response to charging power level of the first charging device; and

when a charging power capacity of the first charging device is less than the battery charging power capacity of the charging circuit, request the second charging device to supply a difference value between the charging power capacity of the first charging device and the battery charging power capacity.

2. The electronic device of claim 1 , wherein the control circuit is configured to:

obtain information of charging power capacity of each of the plurality of charging devices through the plurality of communication circuits; and

set the battery charging power capacity of the charging circuit.

3. The electronic device of claim 1 , wherein the control circuit is configured to:

set a charging power level of each of the plurality of charging devices based on the battery charging power capacity of the charging circuit.

4. The electronic device of claim 1 , wherein the control circuit is configured to:

set a charging power level of each of the plurality of charging devices to be greater than or equal to the battery charging power capacity of the charging circuit.

5. The electronic device of claim 1 , wherein the control circuit is configured to:

when a charging power capacity of the first charging device is less than the battery charging power capacity of the charging circuit and when the charging power capacity of the second charging device is greater than or equal to the battery charging power capacity of the charging circuit, switch from charging the battery with the first charging device to charging the battery with the second charging device.

6. The electronic device of claim 1 , wherein the control circuit is configured to:

when the charging power capacity of the first charging device and the charging power capacity of the second charging device are less than the battery charging power capacity of the charging circuit, adjust the charging power level of the first charging device and the charging power level of the second charging device such that a sum of the charging power level of the first charging device and the charging power level of the second charging device is equal to or higher by a specified level than the battery charging power capacity.

7. The electronic device of claim 1 , wherein the control circuit is configured to:

request the first charging device and the second charging device to supply a charging voltage of each of the first charging device and the second charging device such that the charging voltage of the first charging device and the charging voltage of the second charging device are the same as each other or are increased to a specified level or more.

8. The electronic device of claim 1 , wherein the control circuit is configured to:

charge the battery using the power from the plurality of charging devices connected to the plurality of ports; or

supply power to at least power consuming device connected to the plurality of ports.

9. The electronic device of claim 8 ,

wherein the plurality of ports comprise a first port and a second port,

wherein the control circuit is configured to:

when a power consuming device is connected to the second port while a first charging device connected to the first port to the battery provides a first charging power level, request the first charging device to supply charging power higher than the first charging power level.

10. The electronic device of claim 1 , wherein the charging circuit comprises:

one charging circuit connected with the plurality of ports.

11. The electronic device of claim 1 , wherein the charging circuit comprises:

a plurality of charging circuits respectively connected with the plurality of ports.

12. The electronic device of claim 1 , wherein the at least one of the plurality of ports has USB type C.

13. A charging control method, the method comprising:

detecting, by at least one processor of an electronic device, a connection of a second charging device to another port while charging a battery of an electronic device based on a first charging device connected to one port among a plurality of ports, wherein the second charging device is a variable capacity charging device, wherein the plurality of ports comprise a first port and a second port;

obtaining, by the at least one processor, a plurality of power and voltage information from the second charging device; and

setting, by the at least one processor, charging power of the first charging device, charging power of the second charging device, and battery charging power capacity of a charging circuit of the electronic device based on the plurality of power and voltage information from the second charging device,

wherein the setting further comprises:

when a second charging device is connected to the second port while supplying a charging power from a first charging device connected to the first port to the battery, setting a charging power level of the second charging device in response to charging power level of the first charging device,

when a charging power capacity of the first charging device is less than the battery charging power capacity of the charging circuit, requesting the second charging device to supply a difference value between the charging power capacity of the first charging device and the battery charging power capacity.

14. The method of claim 13 , wherein the setting comprises:

obtaining information of the charging power capacity of each of the first and second charging devices through a communication circuit of an electronic device; and

setting the battery charging power capacity of the charging circuit.

15. The method of claim 13 , wherein the setting comprises:

setting the charging power of each of the first and second charging devices based on the battery charging power capacity of the charging circuit.

16. The method of claim 13 , wherein the setting comprises:

setting the charging power of each of the first and second charging devices to be greater than or equal to the battery charging power capacity of the charging circuit.

17. The method of claim 13 , further comprising:

adjusting the charging power of each of the first charging device and the second charging device such that a sum of the charging power of the first charging device and the charging power of the second charging device is the same as the battery charging power capacity of the charging circuit connected to the battery or is higher than the battery charging power capacity of the charging circuit by a specified level.

18. An electronic device, comprising:

a plurality of ports, wherein the plurality of ports comprise a first port and a second port;

a battery configured to receive a charging power through at least one of the plurality of ports;

a plurality of communication circuits configured to communicate with a plurality of external devices, wherein the plurality of external devices including at least one variable capacity charging device;

a control circuit configured to set power of each of the plurality of external devices connected to the plurality of ports;

a charging circuit configured to charge the battery by using the power,

wherein the control circuit is configured to:

receive a plurality of power and voltage information from the at least one variable capacity charging device through the plurality of communication circuits;

set a charging mode of the charging circuit and charging power capacity of each of the at least one variable capacity charging device based on the plurality of power and voltage information;

when a second charging device is connected to the second port while supplying a charging power from a first charging device connected to the first port to the battery, set a charging power level of the second charging device in response to charging power level of the first charging device; and

when a charging power capacity of the first charging device is less than the battery charging power capacity of the charging circuit and when the charging power capacity of the second charging device is greater than or equal to the battery charging power capacity of the charging circuit, switch from charging the battery with the first charging device to charging the battery with the second charging device.