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公开(公告)号：US20160204619A1
公开(公告)日：2016-07-14
申请号：US14821816
申请日：2015-08-10
Applicant: MEDIATEK INC.
Inventor： Hung-Chih Lin , Yen-Hsun Hsu , Hao-Ping Hong
CPC classification number: H02J5/005 , H01F38/14 , H01F2038/146
Abstract: A resonator circuit includes: a first inductive element and a second inductive element that is connected to the first inductive element in series; a first capacitive element, connected to a first end of the first inductive element and a first output end of the resonator circuit; and a set of second capacitive elements connected in series, the set of second capacitive elements having one end connected between the first and second capacitive elements and having another end connected between the second capacitive element and a second output end of the resonator circuit. The intermediate end of the set of second capacitive elements is used as a third output end of the resonator circuit.
Abstract translation: 谐振器电路包括：串联连接到第一电感元件的第一电感元件和第二电感元件; 第一电容元件，连接到第一电感元件的第一端和谐振器电路的第一输出端; 以及一组串联连接的第二电容元件，该组第二电容元件的一端连接在第一和第二电容元件之间，另一端连接在第二电容元件和谐振器电路的第二输出端之间。 该组第二电容元件的中间端用作谐振器电路的第三输出端。
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公开(公告)号：US09065509B1
公开(公告)日：2015-06-23
申请号：US14151786
申请日：2014-01-09
Applicant: MEDIATEK INC.
Inventor： Sheng-Hong Yan , Hao-Ping Hong
CPC classification number: H04L27/3411 , H03F3/24 , H03F2200/105 , H03F2200/465 , H03F2200/504 , H04B1/0475 , H04B2001/0408 , H04B2001/0416
Abstract: A communication unit includes a radio frequency, RF, transmitter having: a power amplifier, PA, module; and an envelope tracking system operably coupled to the PA module and having a supply modulator arranged to variably control a supply voltage for the PA module in response to a number of input samples of an envelope signal; wherein the envelope tracking system further includes at least one slew rate module arranged to re-distribute a maximum slew rate across the number of input samples in a provision of a variable power supply to the PA module.
Abstract translation: 通信单元包括射频，RF，发射机，具有：功率放大器，PA，模块; 以及包络跟踪系统，其可操作地耦合到所述PA模块并且具有电源调制器，所述电源调制器布置成响应于所述包络信号的输入样本的数量可变地控制所述PA模块的电源电压; 其中所述包络跟踪系统还包括至少一个压摆率模块，所述至少一个压摆率模块被布置成在向所述PA模块提供可变电源的情况下，跨越所述多个输入样本重新分配最大转换速率。
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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：US09831780B2
公开(公告)日：2017-11-28
申请号：US15209750
申请日：2016-07-13
Applicant: MEDIATEK INC.
Inventor： Hao-Ping Hong , Shih-Mei Lin
CPC classification number: H02M3/1582 , G05F1/62 , H02M3/158 , H02M3/1584 , H02M3/1588 , H02M2001/0054 , Y02B70/1491
Abstract: A buck-boost converter includes an inductor, a first switch, a second switch, a third switch, a fourth switch and a fifth switch, wherein the first switch is coupled between an input voltage and a first terminal of the inductor, the second switch is coupled between a reference voltage and the first terminal of the inductor, the third switch is coupled between an output voltage and a second terminal of the inductor, the fourth switch is coupled between the reference voltage and the second terminal of the inductor, and the fifth switch is connected in parallel with the third switch. When the buck-boost converter operates in a buck mode, the first switch and the second switch are turned on alternately; when the buck-boost converter operates in a boost mode, the third switch and the fourth switch are turned on alternately; and the fifth switch is controlled by a mode control signal.
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5.发明授权Power converter with a wave generator that filters a wave signal to generate an output voltage 有权具有波发生器的功率转换器，其对波形信号进行滤波以产生输出电压公开(公告)号：US09559583B2
公开(公告)日：2017-01-31
申请号：US14153405
申请日：2014-01-13
Applicant: MediaTek Inc.
Inventor： Hung-chih Lin , Hung-I Wang , Hao-Ping Hong , Chien-Wei Kuan , Yung-Chih Yen
CPC classification number: H02M3/156 , H02M3/1563
Abstract: A power converter includes a wave generator, a low pass filter, a first control circuit, and a second control circuit. The wave generator receives an input voltage, and converts the input signal into a wave signal according to a first control signal and a second control signal. The low pass filter filters the wave signal to generate an output voltage. The first control circuit generates the first control signal according to the wave signal and the output voltage. The second control circuit generates the second control signal according to the wave signal and the output voltage.
Abstract translation: 功率转换器包括波发生器，低通滤波器，第一控制电路和第二控制电路。 波发生器接收输入电压，并根据第一控制信号和第二控制信号将输入信号转换成波信号。 低通滤波器对波形信号进行滤波以产生输出电压。 第一控制电路根据波信号和输出电压产生第一控制信号。 第二控制电路根据波信号和输出电压产生第二控制信号。
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Patent Agency Ranking
公开(公告)号：US20150195118A1
公开(公告)日：2015-07-09
申请号：US14612305
申请日：2015-02-03
Applicant: Mediatek Inc.
Inventor： Sheng-Hong Yan , Hao-Ping Hong
CPC classification number: H04L27/3411 , H03F3/24 , H03F2200/105 , H03F2200/465 , H03F2200/504 , H04B1/0475 , H04B2001/0408 , H04B2001/0416
Abstract: A communication unit has an envelope tracking system operably coupled to a power amplifier, PA, module. The envelope tracking system has at least one slew rate module arranged to re-distribute a slew rate across a number of input samples according to a maximum slew rate of the number of input samples; and a supply modulator arranged to variably control a supply voltage for the PA module in response to an output of the at least one slew rate module.
Abstract translation: 通信单元具有可操作地耦合到功率放大器PA模块的包络跟踪系统。 包络跟踪系统具有至少一个压摆率模块，其布置成根据输入样本数量的最大转换速率，跨多个输入样本重新分配压摆率; 以及电源调制器，其布置成响应于所述至少一个压摆率模块的输出可变地控制所述PA模块的电源电压。
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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：US10211646B2
公开(公告)日：2019-02-19
申请号：US15889136
申请日：2018-02-05
Applicant: MediaTek Inc.
Inventor： Hung-Chih Lin , Yen-Hsun Hsu , Hao-Ping Hong
Abstract: A resonator circuit includes: a first inductive element and a second inductive element that is connected to the first inductive element in series; a first capacitive element, connected to a first end of the first inductive element and a first output end of the resonator circuit; and a set of second capacitive elements connected in series, the set of second capacitive elements having one end connected between the first and second inductive elements and having another end connected between the second inductive element and a second output end of the resonator circuit. The intermediate end of the set of second capacitive elements is used as a third output end of the resonator circuit.
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9.发明授权公开(公告)号：US09923384B2
公开(公告)日：2018-03-20
申请号：US14715570
申请日：2015-05-18
Applicant: MEDIATEK INC.
Inventor： Hung-Chih Lin , Hao-Ping Hong
Abstract: A method for performing efficiency optimization of an electronic device and an associated apparatus are provided, where the method includes the steps of: performing at least one detection operation according to at least one signal of the electronic device to generate at least one detection result; and selecting a rectifier size of a plurality of rectifier sizes of a configurable rectifier within the electronic device according to the at least one detection result, to control the configurable rectifier to operate with the rectifier size, wherein the configurable rectifier is arranged for performing rectification operations, and the configurable rectifier is configurable to operate with at least one portion of the configurable rectifier being activated.
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10.发明申请公开(公告)号：US20170040898A1
公开(公告)日：2017-02-09
申请号：US15209750
申请日：2016-07-13
Applicant: MEDIATEK INC.
Inventor： Hao-Ping Hong , Shih-Mei Lin
CPC classification number: H02M3/1582 , G05F1/62 , H02M3/158 , H02M3/1584 , H02M3/1588 , H02M2001/0054 , Y02B70/1491
Abstract: A buck-boost converter includes an inductor, a first switch, a second switch, a third switch, a fourth switch and a fifth switch, wherein the first switch is coupled between an input voltage and a first terminal of the inductor, the second switch is coupled between a reference voltage and the first terminal of the inductor, the third switch is coupled between an output voltage and a second terminal of the inductor, the fourth switch is coupled between the reference voltage and the second terminal of the inductor, and the fifth switch is connected in parallel with the third switch. When the buck-boost converter operates in a buck mode, the first switch and the second switch are turned on alternately; when the buck-boost converter operates in a boost mode, the third switch and the fourth switch are turned on alternately; and the fifth switch is controlled by a mode control signal.
Abstract translation: 降压升压转换器包括电感器，第一开关，第二开关，第三开关，第四开关和第五开关，其中第一开关耦合在电感器的输入电压和第一端之间，第二开关 耦合在参考电压和电感器的第一端之间，第三开关耦合在电感器的输出电压和第二端之间，第四开关耦合在参考电压和电感器的第二端之间，并且 第五开关与第三开关并联连接。 当降压 - 升压转换器以降压模式工作时，第一开关和第二开关交替地导通; 当降压 - 升压转换器以升压模式工作时，第三开关和第四开关交替地接通; 并且第五开关由模式控制信号控制。
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