Power supply system with identification code updating capability and method for charging an electronic device

• US 10,312,725 B2
• Filed: 02/03/2016
• Issued: 06/04/2019
• Est. Priority Date: 10/23/2015
• Status: Active Grant

• Current Assignee: Chicony Power Technology Co. Ltd. (Chicony Electronics Company Limited)
• Original Assignee: Chicony Power Technology Co. Ltd. (Chicony Electronics Company Limited)
• Inventors: Su, Yi-Ching, Wang, Yang
• Primary Examiner(s): Pacheco, Alexis B
• Application Number:
  US15/014,287
• Publication Number:
  US 20170117719A1
• Time in Patent Office: 1,217 Days
• Field of Search: 320106, 320107, 320110, 320112, 320113, 320134, 320132, 320136, 320137
• CPC Class Codes: G06F 1/26 Power supply means, e.g. regulation thereof for memories G11C
• 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 7/00045 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 7/0071 with a programmable schedule
• CPC Class Codes: H02J 7/04 Regulation of charging current or voltage
• CPC Class Codes: H04M 1/72409 by interfacing with external accessories hands-free H04M1/60

Abstract

A power supply system with identification code updating capability is used for providing an electric power to an electronic device having a first identification (ID) code. The power supply system includes a power supply device and an ID code updating module. The power supply device is configured to provide the electric power to the electronic device and includes a memory unit. The memory unit is configured to store a look-up table including at least one second ID code. The ID code updating module is electrically connected to the power supply device. When the second ID code listed in the look-up table does not match with the first ID code of the electronic device, the ID code updating module updates a second ID code matching with the first ID code in the look-up table. A charging method is further disclosed.

Claims

1. A power supply system with identification code updating capability used for providing a first power, a second power, or a third power to an electronic device having a first identification (ID) code, the power supply system with identification code updating capability comprising:

a power supply device configured to provide the first power, the second power, or the third power to the electronic device and comprising a memory unit for storing a look-up table, wherein the look-up table comprising at least one second ID code, wherein when the second ID code listed in the look-up table matches with the first ID code, the power supply device performs a full-charging procedure for providing the first power met to a largest rated charged power required by the electronic device to the electronic device, when the second ID code does not match with the first ID code, the power supply device performs a low-power-charging procedure for providing the second power smaller than the first power or a non-charging procedure for providing the third power smaller than the second power to the electronic device, a charging time of the electronic device in the lower-power charging procedure is longer than that of in the full-power-charging procedure, and the third power is used for maintain all of operations of the electronic device but charge; and

an ID code updating module electrically connected to the power supply device;

wherein when the second ID code listed in the look-up table does not match with the first ID code, the ID code updating module updates the look-up table by adding the first ID code as a new second ID code in the look-up table so that the new second ID code matching with the first ID code, such that the electronic device is charged with the first power;

wherein the first ID code, the second ID code and the new second ID are vender ID codes.

2. The power supply system with identification code updating capability in claim 1, wherein the power supply device comprises:

a power converting module electrically connected to a power source;

a controlling module electrically connected to the power converting module; and

a handshake module electrically connected to the power converting module and the controlling module, and comprising the memory unit, the look-up table is stored within the memory unit.

3. The power supply system with identification code updating capability in claim 2, wherein the power converting module comprises:

a transformer comprising a primary winding and a secondary winding coupled with each other;

a power converting unit electrically connected to the primary winding;

an input stage rectifier electrically connected to the power source and the power converting unit;

an output stage rectifier electrically connected to the secondary winding; and

an output stage filter electrically connected to the output rectifier and the electronic device.

4. The power supply system with identification code updating capability in claim 1, wherein power converting module further comprises:

an auxiliary winding coupled with the primary winding; and

a power regulator electrically connected to the auxiliary and the controlling module, wherein the power regulator is configured to provide a power to meet the requirement of the controlling module.

5. The power supply system with identification code updating capability in claim 2, wherein the controlling module comprises:

a controlling unit electrically connected to the power regulator; and

a feedback unit electrically connected to the output stage filter, the handshake module, and the controlling unit.

6. The power supply system with identification code updating capability in claim 2, wherein the power supply device further comprises a bi-directional connecting port electrically connected to the power converting module and the handshake module.

7. The power supply system with identification code updating capability in claim 6, wherein the bi-directional connecting port is an universal serial bus.

8. The power supply system with identification code updating capability in claim 1, wherein the ID code updating module comprises:

a microprocessor;

an input port configured to make a connection between the microprocessor and the electronic device; and

an output port configured to make a connection between the microprocessor and the power supply device, wherein information of the first ID code is transmitted to the microprocessor via the input port, the microprocessor is configured to encode the information of the first ID code and generate the second ID code matching with the first ID code, the second ID code is then stored within the memory unit via the output port.

9. A method for charging an electronic device, the method comprising:

receiving an ID code matching request;

determining whether at least one second ID code listed in a look-up table is matching with a first ID code of the electronic device, wherein when the second ID code matches with the first ID code, a full-power charging procedure is performed and the electronic device is charged with a first power met to a largest rated charged power required by the electronic device to the electronic device, when the second ID code does not match with the first ID code, a low-power-charging procedure for charging the electronic device with a second power lower than the first power or a non-charging procedure for charging the electronic device with a third power lower than the second power is performed, a charging time of the electronic device in the lower-power charging procedure is longer than that of in the full-power-charging procedure, and the third power is used for maintain all of operations of the electronic device but charge;

receiving a look-up table updating request if the second ID code listed in the look-up table does not match with the first ID code; and

updating the look-up table by adding the first ID code as a new second II) code in the look-up table so that the new-a second ID code matching with the first ID code, such that the electronic device is charged with the first power;

wherein the first ID code, the second ID code and the new second ID are vender ID codes.

10. The method for charging an electronic device in claim 9, wherein when the second ID code does not match with the first ID code and the look-up table updating procedure is not received, a low-power charging procedure or a non-power charging is performed.