ELECTRONIC DEVICE, METHOD OF CONTROLLING CHARGING BY ELECTRONIC DEVICE, AND METHOD OF SUPPLYING POWER BY POWER SUPPLY DEVICE

• US 20160064959A1
• Filed: 09/01/2015
• Published: 03/03/2016
• Est. Priority Date: 09/02/2014
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: JUNG, Kuchul, LEE, Kisun, LEE, Hoyoung, JANG, Seyoung, YOON, Sunggeun, YU, Hyemi
• Granted Patent: US 10,574,074 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: G06F 1/26 Power supply means, e.g. regulation thereof for memories G11C
• CPC Class Codes: G06F 1/263 Arrangements for using multiple switchable power supplies, e.g. battery and AC G06F1/30 takes precedence
• CPC Class Codes: G06F 1/28 Supervision thereof, e.g. detecting power-supply failure by out of limits supervision
• CPC Class Codes: G06F 1/305 in the event of power-supply fluctuations
• CPC Class Codes: H02J 7/00 Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
• CPC Class Codes: H02J 7/00034 Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
• CPC Class Codes: H02J 7/00036 Charger exchanging data with battery
• CPC Class Codes: H02J 7/00045 Authentication, i.e. circuits for checking compatibility between one component, e.g. a battery or a battery charger, and another component, e.g. a power source
• CPC Class Codes: H02J 7/0047 with monitoring or indicating devices or circuits
• CPC Class Codes: H02J 7/0048 Detection of remaining charge capacity or state of charge [SOC]
• CPC Class Codes: H02J 7/007 Regulation of charging or discharging current or voltage
• CPC Class Codes: Y02B 70/3225 Demand response systems, e.g. load shedding, peak shaving
• CPC Class Codes: Y04S 20/222 Demand response systems, e.g. load shedding, peak shaving

Abstract

An electronic device is provided. The electronic device includes a housing, a battery included within the housing, a connector electrically connected to an external power supply device including an integrated circuit (IC) and exposed to a part of the housing, and a power management unit included within the housing and electrically connected to the connector, wherein the power management unit is configured to communicate with the IC of the external power supply device, and wherein the connector is configured to receive a first current of a first current value during at least a part of the communication and to receive a second current of a second current value greater than the first current value during at least a part in which the communication is not performed.

Claims

1. An electronic device comprising:

a housing;

a battery included within the housing;

a connector electrically connected to an external power supply device including an integrated circuit (IC) and exposed to a part of the housing; and

a power management unit included within the housing and electrically connected to the connector,

wherein the power management unit is configured to communicate with the IC of the external power supply device, and

wherein the connector is configured to;

receive a first current of a first current value during at least a part of the communication, and

receive a second current of a second current value greater than the first current value during at least a part in which the communication is not performed.

2. The electronic device of claim 1, wherein, after the connection with the external power supply device, the connector is further configured to:

receive the first current of the second current value during a first period, and

receive the second current of the first current value during a second period after the first period.

3. The electronic device of claim 2, wherein the connector is further configured to receive a third current of a third current value greater than the first current value during a third period after the second period.

4. The electronic device of claim 3, wherein the third current value is less than the second current value.

5. The electronic device of claim 1, wherein, after the connection with the external power supply device, the power management unit is further configured to:

detect impedance of an element within the external power supply device, and

perform the communication based on at least a part of the detected impedance.

6. The electronic device of claim 1, wherein the power management unit is further configured to exchange information on a voltage value and/or a certain current value required by the electronic device with the IC through the communication.

7. The electronic device of claim 1, further comprising an interface configured to supply power to the electronic device or the battery, the interface being connected to the connector,

wherein the power management unit is further configured to:

set a charging mode of the external power supply device through the interface, and

control power supplied to the battery to charge the battery based on the set charging mode.

8. The electronic device of claim 7, wherein the power management unit comprises:

a power management module configured to control the power supplied to the battery according to the charging mode; and

a charging control module configured to;

set the charging mode according to whether the external power supply device supports a quick charging mode, and

transmit a charging power value to be supplied based on the set charging mode to the external power supply device.

9. The electronic device of claim 8, further comprising a display unit configured to display a user interface dynamically varying based on the set charging mode.

10. A power supply device comprising:

an interface configured to supply power to an external electronic device, the interface being connected to the external electronic device; and

a charging supply control module configured to;

communicate with the external electronic device,

make a control to supply a first current of a first current value to the external electronic device during at least a part of the communication, and

make a control to supply a second current of a second current value greater than the first current value to the external electronic device during at least a part in which the communication is not performed.

11. A method of controlling charging by an electronic device for receiving power from an external power supply device and charging a battery, the method comprising:

detecting a connection with the external power supply device;

performing communication with the external power supply device; and

receiving power from the external power supply device based on a result of the communication and charging the battery,

wherein a first current of a first current value is received during at least a part of the communication, and

wherein a second current of a second current value greater than the first current value is received during at least a part in which the communication is not performed.

12. The method of claim 11, wherein, after the connection with the external power supply device, the performing of the communication with the external power supply device comprises:

receiving the second current of the second current value during a first period; and

receiving the first current of the first current value during a second period after the first period.

13. The method of claim 12, wherein the performing of the communication with the external power supply device comprises receiving a third current of a third current value greater than the first current value during a third period after the second period.

14. The method of claim 13, wherein, in the performing of the communication with the external power supply device, the third current value is less than the second current value.

15. The method of claim 11, wherein, after the connection with the external power supply device, the performing of the communication with the external power supply device comprises:

detecting impedance of an element within the external power supply device; and

performing the communication based on at least a part of the detected impedance.

16. The method of claim 11, wherein the performing of the communication with the external power supply device comprises exchanging information on a voltage value and/or a certain current value required by the electronic device with the external power supply device through the communication.

17. The method of claim 11, further comprising:

determining whether the external power supply device supports at least two charging modes;

determining the charging mode as a first charging mode for charging the battery when the external power supply device supports the first charging mode and determining the charging mode as a second charging mode when the external power supply device does not support the first charging mod; and

charging the battery based on the determined charging mode.

18. The method of claim 14, wherein the charging of the battery comprises:

receiving power corresponding to a first charging power value from the external power supply device and charging the battery when the determined charging mode is a quick charging mode; and

receiving power corresponding to a second charging power value less than the first charging power value from the external power supply device and charging the battery when the determined charging mode is a normal charging mode.

19. The method of claim 17, further comprising displaying a user interface that indicates the determined charging mode and dynamically varies based on the charging mode.

21. At least one non-transitory computer readable storage medium for storing a computer program of instructions configured to be readable by at least one processor for instructing the at least one processor to execute a computer process for performing the method of claim 11.

20. A method of supplying power by a power supply device, the method comprising:

receiving a charging power value from an external electronic device;

transmitting an acknowledge message to the external electronic device; and

supplying power corresponding to the charging power value to the external electronic device,

wherein a first current of a first current value is supplied to the external electronic device during at least a part of communication with the external electronic device, and

wherein a second current of a second current value greater than the first current value is supplied to the external electronic device during at least a part in which the communication is not performed.