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公开(公告)号：US20180262105A1
公开(公告)日：2018-09-13
申请号：US15907225
申请日：2018-02-27
Applicant: MediaTek Inc.
Inventor： Nien-Hui Kung , Chia-Hua Chou , Yen-Hsun Hsu
Abstract: A low dropout regulator that produces an output includes a comparison circuit, configured to compare a signal representative of the output and a reference signal to produce a comparison result. The low dropout regulator also includes a loop controller, coupled to the comparison circuit, configured to generate an output circuit control signal based at least in part on the comparison result. The low dropout regulator also includes an output circuit, comprising two or more output stages, configured to adjust a number of active output stages of the two or more output stages based on the output circuit control signal.
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公开(公告)号：US09838015B2
公开(公告)日：2017-12-05
申请号：US14830744
申请日：2015-08-20
Applicant: MEDIATEK INC.
Inventor： Nien-Hui Kung
IPC: H03L5/00 , H03K19/0185 , H03K3/012 , H03K3/356 , H03K19/00 , H03K17/042 , H03K19/003
CPC classification number: H03K19/018507 , H03K3/012 , H03K3/35613 , H03K3/356182 , H03K17/04206 , H03K19/0013 , H03K19/00384
Abstract: An apparatus for performing level shift control in an electronic device includes an input stage positioned in a level shifter of the electronic device, and an output stage positioned in the level shifter and coupled to the input stage through a set of intermediate nodes. The input stage is arranged for receiving at least one input signal of the level shifter through at least one input terminal of the input stage and controlling voltage levels of the set of intermediate nodes according to the at least one input signal. The input stage includes a hybrid current control circuit coupled to the at least one input terminal and arranged for performing current control for the input stage. The hybrid current control circuit is equipped with multiple sets of parallel paths for controlling currents passing through the set of intermediate nodes, respectively, each set may include two or more paths in parallel.
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公开(公告)号：US09825480B2
公开(公告)日：2017-11-21
申请号：US14922192
申请日：2015-10-25
Applicant: MEDIATEK INC.
Inventor： Nien-Hui Kung
CPC classification number: H02J7/0072 , B60L11/1824 , B60L11/1851 , H02J7/0068 , H02J7/022 , H02J7/04 , H02J7/045 , H02M3/156 , H02M3/1588 , H03K17/063 , H03K2017/066 , H05B33/0815 , H05B33/0827 , Y02B70/1466 , Y02T90/127
Abstract: An apparatus for performing hybrid power control in an electronic device includes a charger positioned in the electronic device, and the charger is arranged for selectively charging a battery of the electronic device. In addition, at least one portion of the charger is implemented within a charger chip. For example, the charger may include: a first terminal, positioned on the charger chip; a second terminal, positioned on the charger chip and selectively coupled to the first terminal; a third terminal, positioned on the charger chip and selectively coupled to the second terminal; a fourth terminal, positioned on the charger chip and coupled to the third terminal; a first power output path, coupled to the fourth terminal, arranged for providing a first voltage level; and a second power output path, coupled to the third terminal, arranged for selectively providing a second voltage level that is greater than the first voltage level.
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公开(公告)号：US10150378B2
公开(公告)日：2018-12-11
申请号：US15646115
申请日：2017-07-11
Applicant: MEDIATEK INC.
Inventor： Nien-Hui Kung
Abstract: An apparatus for performing hybrid power control in an electronic device includes a charger positioned in the electronic device, and the charger is arranged for selectively charging a battery of the electronic device. In addition, at least one portion of the charger is implemented within a charger chip. For example, the charger may include: a first terminal, positioned on the charger chip; a second terminal, positioned on the charger chip and selectively coupled to the first terminal; a third terminal, positioned on the charger chip and selectively coupled to the second terminal; a fourth terminal, positioned on the charger chip and coupled to the third terminal; a first power output path, coupled to the fourth terminal, arranged for providing a first voltage level; and a second power output path, coupled to the third terminal, arranged for selectively providing a second voltage level that is greater than the first voltage level.
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5.发明申请APPARATUS FOR PERFORMING RESISTANCE CONTROL ON A CURRENT SENSING COMPONENT IN AN ELECTRONIC DEVICE, AND ASSOCIATED METHOD 审中-公开用于对电子设备中的电流感测元件执行电阻控制的装置及相关方法公开(公告)号：US20170023626A1
公开(公告)日：2017-01-26
申请号：US15050446
申请日：2016-02-22
Applicant: MEDIATEK INC.
Inventor： Nien-Hui Kung
IPC: G01R19/32 , G01R19/00 , H03K17/687
CPC classification number: G01R19/32 , G01R19/0092 , H03K17/0822 , H03K17/145 , H03K17/687 , H03K2217/0027
Abstract: An apparatus for performing resistance control on a current sensing component in an electronic device and an associated method are provided. For example, the apparatus may comprise a power switching unit and a feedback module, and the power switching unit is utilized as the current sensing component when the power switching unit enables the power path. The feedback module may comprise: a power switching unit replica that receives a first voltage at the battery terminal and outputs a second voltage; a first current source, coupled between the power switching unit replica and a ground terminal, arranged to receive the second voltage; a reference voltage generator that generates a third voltage; and an error amplifier that receives the second voltage and the third voltage and outputs a fourth voltage, wherein the feedback module controls both of the power switching unit and the power switching unit replica according to the fourth voltage.
Abstract translation: 提供一种用于对电子设备中的电流感测部件执行电阻控制的装置和相关方法。 例如，该装置可以包括功率开关单元和反馈模块，并且当功率开关单元启用电源路径时，功率开关单元被用作电流感测组件。 反馈模块可以包括：电源开关单元副本，其在电池端子处接收第一电压并输出第二电压; 耦合在功率开关单元副本和接地端子之间的第一电流源，布置成接收第二电压; 产生第三电压的参考电压发生器; 以及误差放大器，其接收所述第二电压和所述第三电压并输出第四电压，其中所述反馈模块根据所述第四电压来控制所述功率开关单元和所述功率开关单元副本。
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Patent Agency Ranking
公开(公告)号：US20160233712A1
公开(公告)日：2016-08-11
申请号：US14922192
申请日：2015-10-25
Applicant: MEDIATEK INC.
Inventor： Nien-Hui Kung
IPC: H02J7/00
CPC classification number: H02J7/0072 , B60L11/1824 , B60L11/1851 , H02J7/0068 , H02J7/022 , H02J7/04 , H02J7/045 , H02M3/156 , H02M3/1588 , H03K17/063 , H03K2017/066 , H05B33/0815 , H05B33/0827 , Y02B70/1466 , Y02T90/127
Abstract: An apparatus for performing hybrid power control in an electronic device includes a charger positioned in the electronic device, and the charger is arranged for selectively charging a battery of the electronic device. In addition, at least one portion of the charger is implemented within a charger chip. For example, the charger may include: a first terminal, positioned on the charger chip; a second terminal, positioned on the charger chip and selectively coupled to the first terminal; a third terminal, positioned on the charger chip and selectively coupled to the second terminal; a fourth terminal, positioned on the charger chip and coupled to the third terminal; a first power output path, coupled to the fourth terminal, arranged for providing a first voltage level; and a second power output path, coupled to the third terminal, arranged for selectively providing a second voltage level that is greater than the first voltage level.
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公开(公告)号：US10261116B2
公开(公告)日：2019-04-16
申请号：US15050446
申请日：2016-02-22
Applicant: MEDIATEK INC.
Inventor： Nien-Hui Kung
IPC: G01R19/32 , G01R19/00 , H03K17/687 , H03K17/082 , H03K17/14
Abstract: An apparatus for performing resistance control on a current sensing component in an electronic device and an associated method are provided. For example, the apparatus may comprise a power switching unit and a feedback module, and the power switching unit is utilized as the current sensing component when the power switching unit enables the power path. The feedback module may comprise: a power switching unit replica that receives a first voltage at the battery terminal and outputs a second voltage; a first current source, coupled between the power switching unit replica and a ground terminal, arranged to receive the second voltage; a reference voltage generator that generates a third voltage; and an error amplifier that receives the second voltage and the third voltage and outputs a fourth voltage, wherein the feedback module controls both of the power switching unit and the power switching unit replica according to the fourth voltage.
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公开(公告)号：US10230259B2
公开(公告)日：2019-03-12
申请号：US15158567
申请日：2016-05-18
Applicant: MEDIATEK INC.
Inventor： Nien-Hui Kung , Chien-Wei Kuan , Yen-Hsun Hsu
Abstract: An apparatus for performing hybrid power control in an electronic device includes a charger positioned in the electronic device, and the charger is arranged for selectively charging a battery of the electronic device. In addition, at least one portion of the charger is implemented within a charger chip. For example, the charger may include: a plurality of terminals that are positioned on the charger chip, where the plurality of terminals may include a third terminal and a fourth terminal; a plurality of switching units, positioned on the charger chip; and a control circuit, positioned on the charger chip and coupled to the plurality of switching units. The third terminal and the fourth terminal may be arranged for installing an inductor, where the inductor may be utilized by the charger when the control circuit configures the charger into any of at least two hardware configurations within a plurality of hardware configurations.
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公开(公告)号：US09866060B2
公开(公告)日：2018-01-09
申请号：US15158574
申请日：2016-05-18
Applicant: MEDIATEK INC.
Inventor： Nien-Hui Kung , Chih-Wei Lin , Yen-Hsun Hsu
CPC classification number: H02J7/16 , H02J1/10 , H02J7/0055 , H02J7/0068 , H02J7/007 , H02J7/025 , H02J7/04 , H02J2007/0095
Abstract: An apparatus for performing hybrid power control in an electronic device includes a charger positioned in the electronic device, and the charger is arranged for selectively charging a battery of the electronic device. In addition, at least one portion of the charger is implemented within a charger chip, and the charger may include: a plurality of terminals that are positioned on the charger chip; a plurality of switching units, positioned on the charger chip; and at least one control circuit, positioned on the charger chip and coupled to the plurality of switching units. For example, the control circuit may be arranged for controlling the plurality of switching units to allow charging using any of a plurality of adaptors corresponding to different voltages, wherein a first charging path and a second charging path of the charger correspond to a first adaptor and a second adaptor within the plurality of adaptors, respectively.
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公开(公告)号：US09731613B2
公开(公告)日：2017-08-15
申请号：US14738947
申请日：2015-06-15
Applicant: MEDIATEK INC.
Inventor： Nien-Hui Kung
CPC classification number: B60L11/1824 , B60L11/1851 , H02J7/0068 , H02J7/0072 , H02J7/0085 , H02J7/022 , H02J7/04 , H02J7/045 , H02M3/156 , H02M3/1582 , H02M3/1584 , H05B33/0815 , H05B33/0821 , Y02T90/127
Abstract: An apparatus for performing hybrid power control in an electronic device includes a charger positioned in the electronic device, and the charger is arranged for selectively charging a battery of the electronic device. In addition, at least one portion of the charger is implemented within a charger chip. For example, the charger may include: a first terminal, positioned on the charger chip; a second terminal, positioned on the charger chip and selectively coupled to the first terminal; a third terminal, positioned on the charger chip and selectively coupled to the second terminal; a fourth terminal, positioned on the charger chip and coupled to the third terminal; a first power output path, coupled to the fourth terminal, arranged for providing a first voltage level; and a second power output path, coupled to the third terminal, arranged for selectively providing a second voltage level that is greater than the first voltage level.
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