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公开(公告)号：US20210159790A1
公开(公告)日：2021-05-27
申请号：US17079517
申请日：2020-10-25
Applicant: MEDIATEK INC.
Inventor： Chun-Yen Tseng , Hao-Ping Hong , Chih-Wei Lin
Abstract: A buck converter includes an output stage, a FCVB control circuit and a driver. The output stage includes a plurality of switches and a flying capacitor, wherein the switches are connected in series, the flying capacitor is coupled between two of the switches, and the output stage is configured to receive an input voltage to generate an output voltage. The FCVB control circuit is configured to compare a voltage of the flying capacitor with half of the input voltage to generate a comparison result, and the FCVB control circuit further responds to the comparison result to generate a first control signal and a second control signal based on a first PWM signal and a second PWM signal. The driver is configured to generate a plurality of diving signals according to the first control signal and the second control signal, wherein the driving signals are arranged to control the switches, respectively.
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公开(公告)号：US11502604B2
公开(公告)日：2022-11-15
申请号：US17079517
申请日：2020-10-25
Applicant: MEDIATEK INC.
Inventor： Chun-Yen Tseng , Hao-Ping Hong , Chih-Wei Lin
Abstract: A buck converter includes an output stage, a FCVB control circuit and a driver. The output stage includes a plurality of switches and a flying capacitor, wherein the switches are connected in series, the flying capacitor is coupled between two of the switches, and the output stage is configured to receive an input voltage to generate an output voltage. The FCVB control circuit is configured to compare a voltage of the flying capacitor with half of the input voltage to generate a comparison result, and the FCVB control circuit further responds to the comparison result to generate a first control signal and a second control signal based on a first PWM signal and a second PWM signal. The driver is configured to generate a plurality of diving signals according to the first control signal and the second control signal, wherein the driving signals are arranged to control the switches, respectively.
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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：US20170179757A1
公开(公告)日：2017-06-22
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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