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1. 发明申请

US20160204619A1 MULTI-MODE WIRELESS RECEIVER APPARATUS AND RESONATOR CIRCUIT DESIGN 有权
标题翻译：多模式无线接收机和谐振器电路设计
公开(公告)号：US20160204619A1
公开(公告)日：2016-07-14
申请号：US14821816
申请日：2015-08-10
申请人： MEDIATEK INC.
发明人： Hung-Chih Lin , Yen-Hsun Hsu , Hao-Ping Hong
IPC分类号： H02J5/00 , H01F38/14
CPC分类号： H02J5/005 , H01F38/14 , H01F2038/146
摘要： 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.
摘要翻译：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。

2. 发明授权

US09065509B1 Methods and apparatus for envelope tracking system 有权
标题翻译：包络跟踪系统的方法和装置
公开(公告)号：US09065509B1
公开(公告)日：2015-06-23
申请号：US14151786
申请日：2014-01-09
申请人： MEDIATEK INC.
发明人： Sheng-Hong Yan , Hao-Ping Hong
IPC分类号： H03F1/32 , H04B1/04
CPC分类号： H04L27/3411 , H03F3/24 , H03F2200/105 , H03F2200/465 , H03F2200/504 , H04B1/0475 , H04B2001/0408 , H04B2001/0416
摘要： 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.
摘要翻译：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。

3. 发明申请

US20210159790A1 BANG-BANG FLYING CAPACITOR VOLTAGE BALANCE FOR BUCK CONVERTER 有权
公开(公告)号：US20210159790A1
公开(公告)日：2021-05-27
申请号：US17079517
申请日：2020-10-25
申请人： MEDIATEK INC.
发明人： Chun-Yen Tseng , Hao-Ping Hong , Chih-Wei Lin
IPC分类号： H02M3/158 , H02M1/08
摘要： 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.

4. 发明授权

US10211646B2 Multi-mode wireless receiver apparatus and resonator circuit design 有权
公开(公告)号：US10211646B2
公开(公告)日：2019-02-19
申请号：US15889136
申请日：2018-02-05
申请人： MediaTek Inc.
发明人： Hung-Chih Lin , Yen-Hsun Hsu , Hao-Ping Hong
IPC分类号： H02J5/00 , H02J50/10 , H02J50/12 , H01F38/14
摘要： 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.

5. 发明授权

US09923384B2 Method for performing efficiency optimization of an electronic device, and associated apparatus 有权
公开(公告)号：US09923384B2
公开(公告)日：2018-03-20
申请号：US14715570
申请日：2015-05-18
申请人： MEDIATEK INC.
发明人： Hung-Chih Lin , Hao-Ping Hong
IPC分类号： H02J5/00 , H02J50/10 , H02J50/12 , H02J7/02
CPC分类号： H02J5/005 , H02J7/025 , H02J50/10 , H02J50/12 , H02J50/60
摘要： 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.

6. 发明申请

US20170040898A1 BUCK-BOOST CONVERTER AND METHOD FOR CONTROLLING BUCK-BOOST CONVERTER 有权
标题翻译： BUCK-BOOST转换器和控制升压转换器的方法
公开(公告)号：US20170040898A1
公开(公告)日：2017-02-09
申请号：US15209750
申请日：2016-07-13
申请人： MEDIATEK INC.
发明人： Hao-Ping Hong , Shih-Mei Lin
IPC分类号： H02M3/158 , H02M1/08
CPC分类号： H02M3/1582 , G05F1/62 , H02M3/158 , H02M3/1584 , H02M3/1588 , H02M2001/0054 , Y02B70/1491
摘要： 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.
摘要翻译：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。

7. 发明授权

US09525294B2 USB device for making I/O pin with intact voltage during charging procedure and related method 有权
标题翻译：用于在充电过程中使I / O引脚具有完整电压的USB设备及相关方法
公开(公告)号：US09525294B2
公开(公告)日：2016-12-20
申请号：US15132222
申请日：2016-04-18
申请人： MEDIATEK INC.
发明人： Hao-Ping Hong , Shang-Pin Chen , Ding-Shiuan Shen
IPC分类号： H02J7/00
CPC分类号： H02J7/0052 , G06F1/266 , G06F13/385 , G06F13/4072 , G06F2213/0042 , H02J7/0045 , H02J7/0068 , H02J7/0081 , H02J2007/0062
摘要： A universal serial bus device includes: a core circuit having a first pin and a second pin, and having an input impedance looking into the core circuit from the first pin and the second pin; and a charging control circuit, coupled to the core circuit, arranged for selectively providing a voltage source to one of the first pin and the second pin; wherein the input impedance of the core circuit is configured to make the voltage source substantially intact when the voltage source is coupled to one of the first pin and the second pin.
摘要翻译：通用串行总线装置包括：具有第一引脚和第二引脚的核心电路，并具有从第一引脚和第二引脚看入核心电路的输入阻抗; 以及连接到所述核心电路的充电控制电路，被布置为选择性地将电压源提供给所述第一引脚和所述第二引脚中的一个; 其中所述核心电路的输入阻抗被配置为当所述电压源耦合到所述第一引脚和所述第二引脚中的一个引脚时使所述电压源基本上完整。

8. 发明申请

US20160233710A1 UNIVERSAL SERIAL BUS DEVICE AND RELATED METHOD 有权
标题翻译：通用串行总线设备及相关方法
公开(公告)号：US20160233710A1
公开(公告)日：2016-08-11
申请号：US15132222
申请日：2016-04-18
申请人： MEDIATEK INC.
发明人： Hao-Ping Hong , Shang-Pin Chen , Ding-Shiuan Shen
IPC分类号： H02J7/00
CPC分类号： H02J7/0052 , G06F1/266 , G06F13/385 , G06F13/4072 , G06F2213/0042 , H02J7/0045 , H02J7/0068 , H02J7/0081 , H02J2007/0062
摘要： A universal serial bus device includes: a core circuit having a first pin and a second pin, and having an input impedance looking into the core circuit from the first pin and the second pin; and a charging control circuit, coupled to the core circuit, arranged for selectively providing a voltage source to one of the first pin and the second pin; wherein the input impedance of the core circuit is configured to make the voltage source substantially intact when the voltage source is coupled to one of the first pin and the second pin.
摘要翻译：通用串行总线装置包括：具有第一引脚和第二引脚的核心电路，并具有从第一引脚和第二引脚看入核心电路的输入阻抗; 以及连接到所述核心电路的充电控制电路，被布置为选择性地将电压源提供给所述第一引脚和所述第二引脚中的一个; 其中所述核心电路的输入阻抗被配置为当所述电压源耦合到所述第一引脚和所述第二引脚中的一个引脚时使所述电压源基本上完整。

9. 发明授权

US11502604B2 Bang-bang flying capacitor voltage balance for buck converter 有权
公开(公告)号：US11502604B2
公开(公告)日：2022-11-15
申请号：US17079517
申请日：2020-10-25
申请人： MEDIATEK INC.
发明人： Chun-Yen Tseng , Hao-Ping Hong , Chih-Wei Lin
IPC分类号： H02M3/158 , H02M1/08
摘要： 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.

10. 发明授权

US09831780B2 Buck-boost converter and method for controlling buck-boost converter 有权
公开(公告)号：US09831780B2
公开(公告)日：2017-11-28
申请号：US15209750
申请日：2016-07-13
申请人： MEDIATEK INC.
发明人： Hao-Ping Hong , Shih-Mei Lin
IPC分类号： H02M3/158 , G05F1/62 , H02M1/00
CPC分类号： H02M3/1582 , G05F1/62 , H02M3/158 , H02M3/1584 , H02M3/1588 , H02M2001/0054 , Y02B70/1491
摘要： 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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