公开(公告)号：US20180262017A1

公开(公告)日：2018-09-13

申请号：US15852026

申请日：2017-12-22

Applicant: MEDIATEK INC.

Inventor： Chih-Yuan Hsu ,  Chi-Ming Lee ,  Shih-Ming Chen

IPC: H02J7/00 ,  H01M10/48 ,  G01K13/00

CPC classification number: H02J7/007 ,  G01K13/00 ,  H01M10/425 ,  H01M10/443 ,  H01M10/486 ,  H01M2200/00 ,  H02J7/0029 ,  H02J7/0047 ,  H02J7/0063

Abstract: The invention provides a method for improving temperature management of a battery pack. The battery pack may comprise a battery cell charged via at least one supply trace of a PCB (printed circuit board), a protection circuit module mounted on the PCB and coupled to the at least one supply trace, and a plurality of temperature sensors respectively reflecting a temperature of the battery cell and a temperature of the PCB. The method may comprise: measuring a cell temperature and a PCB temperature by the temperature sensors; when charging the battery cell by a charging current and a charging voltage, controlling the charging voltage and the charging current according to the cell temperature, and adjusting the charging current further according to the PCB temperature, so as to constrain the temperature of the PCB.

公开(公告)号：US20160164324A1

公开(公告)日：2016-06-09

申请号：US14777526

申请日：2014-06-03

Applicant: MEDIATEK INC.

Inventor： Chih-Yuan Hsu ,  Chi-Ming Lee

IPC: H02J7/00 ,  G01R31/36

CPC classification number: H02J7/0044 ,  G01R31/392 ,  H02J7/0057 ,  H02J7/007 ,  H02J7/045 ,  H02J7/047 ,  H02J2007/0096

Abstract: A portable device capable of controlling output characteristics of an adaptor used for charging a battery of the portable device includes a sensing circuit and a controlling circuit. The sensing circuit senses a condition of the battery. The controlling circuit controls the adaptor to adjust its output characteristics based on the condition of the battery.

Abstract translation: 能够控制用于对便携式设备的电池充电的适配器的输出特性的便携式设备包括感测电路和控制电路。 感测电路感测电池的状况。 控制电路根据电池的状况控制适配器调整其输出特性。

公开(公告)号：US20190280506A1

公开(公告)日：2019-09-12

申请号：US16353913

申请日：2019-03-14

Applicant: MediaTek Inc.

Inventor： Chih-Chien Huang ,  Po-Hsin Chen ,  Chih-Yuan Hsu

IPC: H02J7/00 ,  H02J7/02 ,  H02J50/00

Abstract: A multipath charger includes a first charging path, a second charging path, and a management module. A supply voltage is coupled through the first charging path and the second charging path to a battery. The management module provides the supply voltage and detects the operating state of the battery. The management module selectively enables the first charging path, the second charging path, or both according to the operating state of the battery, so as to charge the battery through the enabled charging path.

公开(公告)号：US20190109480A1

公开(公告)日：2019-04-11

申请号：US16214150

申请日：2018-12-10

Applicant: MEDIATEK INC.

Inventor： Chih-Yuan Hsu ,  Yu-Yuan Kuo

IPC: H02J7/00 ,  H01R13/52 ,  G05F1/56

Abstract: An electronic device includes: a connector, arranged for coupling to a power supply external to the electronic device, wherein the power supply is arranged to provide a supply voltage to the electronic device to charge a battery of the electronic device; and a charger, coupled to the connector and selectively operated in a normal mode or a self-test mode, wherein when the charger operates in the normal mode, the charger is arranged for receiving the supply voltage via a power pin of the connector to charge the battery of the electronic device; and when the charger operates in the self-test mode, the charger provides a specific voltage to the power pin of the connector. The charger includes a detector to detect the current or voltage of at least one pin of the connector to generate a detecting result, and the supply voltage is set based on the detecting result.

公开(公告)号：US20160049803A1

公开(公告)日：2016-02-18

申请号：US14779970

申请日：2014-07-18

Applicant: MEDIATEK INC.

Inventor： Chih-Yuan Hsu ,  Chuan-Chang Lee

IPC: H02J7/00

CPC classification number: H02J7/007 ,  H02J7/0052 ,  H02J7/045

Abstract: A method for controlling an adaptor to charge a battery includes: determining whether the adaptor is capable of providing a predetermined charging current for the battery; sensing an output voltage of the adaptor and an output current of the adaptor; and controlling the adaptor to adjust the output current and the output voltage according to the sensed output voltage and the sensed output current when the adaptor is not capable of providing the predetermined charging current.

Abstract translation: 用于控制适配器对电池充电的方法包括：确定适配器是否能够为电池提供预定的充电电流; 感测适配器的输出电压和适配器的输出电流; 以及当所述适配器不能提供所述预定充电电流时，控制所述适配器根据所述感测的输出电压和所感测的输出电流来调节所述输出电流和所述输出电压。

公开(公告)号：US10367365B2

公开(公告)日：2019-07-30

申请号：US15860627

申请日：2018-01-02

Applicant: MEDIATEK INC.

Inventor： Jui-Chi Wu ,  Chi-Ming Lee ,  Chih-Yuan Hsu

IPC: H02J7/00

Abstract: A method used between a portable device and a battery pack including at least one battery cell includes: transmitting information for the battery cell from the portable device to the battery pack via the connecting interface or from the battery pack to the portable device via the connecting interface; and according to the information for the battery cell, performing at least one control operation that is associated with the battery cell; wherein there is an analog communication from the battery cell of the battery pack to the portable device to provide a voltage level actually from the battery cell.

公开(公告)号：US10277050B2

公开(公告)日：2019-04-30

申请号：US14763587

申请日：2014-12-24

Applicant: MediaTek Inc.

Inventor： Chih-Chien Huang ,  Po-Hsin Chen ,  Chih-Yuan Hsu

IPC: H02J7/00 ,  H02J7/02 ,  H02J50/00 ,  H02M1/00 ,  H02J1/10

Abstract: A multipath charger includes a first charging path, a second charging path, and a management module. A supply voltage is coupled through the first charging path and the second charging path to a battery. The management module provides the supply voltage and detects the operating state of the battery. The management module selectively enables the first charging path, the second charging path, or both according to the operating state of the battery, so as to charge the battery through the enabled charging path.

公开(公告)号：US09882418B2

公开(公告)日：2018-01-30

申请号：US14443654

申请日：2014-04-22

Applicant: MEDIATEK INC.

Inventor： Chih-Yuan Hsu

IPC: H02J7/00 ,  H02J7/04 ,  B60L11/18 ,  H02M3/158

CPC classification number: H02J7/045 ,  B60L11/1816 ,  B60L11/1818 ,  B60L11/185 ,  B60L2210/12 ,  B60L2210/14 ,  B60L2210/30 ,  B60L2240/547 ,  B60L2240/549 ,  H02J7/0052 ,  H02J7/0077 ,  H02J2007/0059 ,  H02M3/1582 ,  Y02T10/7005 ,  Y02T10/7072 ,  Y02T10/7225 ,  Y02T10/7233 ,  Y02T10/7241 ,  Y02T90/121 ,  Y02T90/127 ,  Y02T90/128 ,  Y02T90/14

Abstract: A switching mode charger capable of performing mode switching to adjust and output charging current for a battery or driving current for an external circuit element includes an input terminal, an output terminal, a Buck-Boost converter, and a controller. The Buck-Boost converter generates a voltage at the input terminal according to a voltage at the output terminal or generates a voltage at the output terminal according to a voltage at the input terminal. The controller dynamically selects an operation mode from a plurality of operation modes as an operation mode of the Buck-Boost converter according to at least one of the voltage change and the current change that are associated with the Buck-Boost converter, wherein the Buck-Boost converter dynamically performs mode switching according to the operation mode selected by the controller so as to adjust and output the charging current or the driving current.

公开(公告)号：US20160211691A1

公开(公告)日：2016-07-21

申请号：US15084488

申请日：2016-03-30

Applicant: MEDIATEK INC.

Inventor： Pi-Fen Chen ,  Chih-Yuan Hsu ,  Hung-I Wang

IPC: H02J7/00

CPC classification number: H02J7/0068 ,  B08B3/022 ,  B08B13/00 ,  B65D19/385 ,  F26B3/08 ,  F26B3/0923 ,  H02J7/0081 ,  H02J2007/0096

Abstract: A method and an apparatus for performing charging port detection control are provided, where the method is applied to an electronic device, a communication port of the electronic device has a functionality of obtaining power from an external power source for the electronic device, and a power path switching unit of the electronic device is arranged to control electrical connection between a system within the electronic device and a battery of the electronic device. The method may include the steps of: performing charging port detection; and control operation(s) according to the charging port detection. For example, the method may include: controlling the power path switching unit to have different configuration according to the charging port detection in order to charge the battery with different charging profiles; and detecting the system voltage level during charging for switching from the constant current mode to the constant voltage mode.

公开(公告)号：US10658860B2

公开(公告)日：2020-05-19

申请号：US16214150

申请日：2018-12-10

Applicant: MEDIATEK INC.

Inventor： Chih-Yuan Hsu ,  Yu-Yuan Kuo ,  Chi-Ming Lee ,  Shih-Ming Chen

IPC: H02J7/00 ,  G05F1/56 ,  H01R13/52

Abstract: An electronic device includes: a connector, arranged for coupling to a power supply external to the electronic device, wherein the power supply is arranged to provide a supply voltage to the electronic device to charge a battery of the electronic device; and a charger, coupled to the connector and selectively operated in a normal mode or a self-test mode, wherein when the charger operates in the normal mode, the charger is arranged for receiving the supply voltage via a power pin of the connector to charge the battery of the electronic device; and when the charger operates in the self-test mode, the charger provides a specific voltage to the power pin of the connector. The charger includes a detector to detect the current or voltage of at least one pin of the connector to generate a detecting result, and the supply voltage is set based on the detecting result.