公开(公告)号：US20120187997A1

公开(公告)日：2012-07-26

申请号：US13189968

申请日：2011-07-25

Applicant: Chia-Wei Liao ,  Roland Van Roy ,  Jing-Meng Liu ,  Leng-Nien Hsiu

Inventor： Chia-Wei Liao ,  Roland Van Roy ,  Jing-Meng Liu ,  Leng-Nien Hsiu

IPC: G06F1/04

CPC classification number: H05B33/0815 ,  G01R1/28 ,  H05B33/0854

Abstract: The present invention discloses a circuit and a method for providing absolute information for floating grounded integrated circuit. The method includes: receiving an absolute information sense signal carrying absolute information; converting the absolute information sense signal to a current signal; and generating an internal reference signal according to the current signal, wherein the internal reference signal or a relationship between the internal reference signal and a floating ground level is related to the absolute information.

Abstract translation: 本发明公开了一种用于提供浮动接地集成电路的绝对信息的电路和方法。 该方法包括：接收绝对信息的绝对信息检测信号; 将绝对信息感测信号转换成电流信号; 以及根据所述当前信号产生内部参考信号，其中所述内部参考信号或所述内部参考信号与浮动地面电平之间的关系与所述绝对信息相关。

公开(公告)号：US20120181653A1

公开(公告)日：2012-07-19

申请号：US13005754

申请日：2011-01-13

Applicant: TSUNG-YI HUANG ,  Hung-Der Su ,  Kuo-Cheng Chang ,  Chun-Yi Hung ,  Kuo-Hsuan Lo ,  Jeng Gong

Inventor： TSUNG-YI HUANG ,  Hung-Der Su ,  Kuo-Cheng Chang ,  Chun-Yi Hung ,  Kuo-Hsuan Lo ,  Jeng Gong

IPC: H01L29/06 ,  H01L21/04

CPC classification number: H01L29/0688 ,  H01L29/0634 ,  H01L29/0692

Abstract: The present invention discloses a semiconductor PN junction structure and a manufacturing method thereof. From top view, the PN junction includes a staggered comb-teeth structure. The PN junction forms a depletion region with enhanced breakdown voltage, hence broadening the applications of a semiconductor device having such PN junction.

Abstract translation: 本发明公开了一种半导体PN结结构及其制造方法。 从顶视图，PN结包括交错的梳齿结构。 PN结形成具有增强的击穿电压的耗尽区，因此拓宽了具有这种PN结的半导体器件的应用。

公开(公告)号：US20120139516A1

公开(公告)日：2012-06-07

申请号：US13135377

申请日：2011-07-01

Applicant: Kuo-Chen Tsai ,  Wei-Hsin Wei

Inventor： Kuo-Chen Tsai ,  Wei-Hsin Wei

IPC: G05F1/10

CPC classification number: H02M3/158 ,  H02M3/07 ,  H02M2001/0022

Abstract: The present invention discloses a power supply circuit with adaptive input selection and a method for power supply. The power supply circuit includes: a charge pump for receiving at least one voltage and generating a boosted voltage; a first buck switching regulator coupled to a battery, for operating at least one first power transistor to convert a battery voltage to an output voltage according to a first control signal; a second buck switching regulator coupled to the charge pump, for operating at least one second power transistor to convert the boosted voltage to the output voltage according to a second control signal; and a controller generating the first control signal or the second control signal according to a level of the voltage of the battery, to select the first buck switching regulator or the second switching regulator for generating the output voltage.

Abstract translation: 本发明公开了一种具有自适应输入选择和电源供电方式的电源电路。 电源电路包括：电荷泵，用于接收至少一个电压并产生升压电压; 耦合到电池的第一降压开关调节器，用于操作至少一个第一功率晶体管，以根据第一控制信号将电池电压转换为输出电压; 耦合到所述电荷泵的第二降压开关调节器，用于操作至少一个第二功率晶体管，以根据第二控制信号将升压电压转换为输出电压; 以及根据电池电压的电平产生第一控制信号或第二控制信号的控制器，以选择用于产生输出电压的第一降压开关调节器或第二开关调节器。

公开(公告)号：US20120098514A1

公开(公告)日：2012-04-26

申请号：US13065571

申请日：2011-03-24

Applicant: Ting-Hung Wang ,  Chia-Jung Lee

Inventor： Ting-Hung Wang ,  Chia-Jung Lee

IPC: G05F1/618

CPC classification number: H02M3/156

Abstract: The present invention discloses a current mode switching regulator, a control circuit of a switching regulator, and a control method of a switching regulator. The switching regulator includes a power stage driven by a driver voltage outputted from a driver circuit. And the power stage switches at least one power transistor to convert an input voltage to an output voltage. The present invention generates an error signal according to a feedback signal related to the output voltage, and adjusts an operation voltage supplied to the driver circuit according to the error signal.

Abstract translation: 本发明公开了一种电流模式开关调节器，开关调节器的控制电路和开关调节器的控制方法。 开关调节器包括由驱动器电路输出的驱动器电压驱动的功率级。 并且功率级切换至少一个功率晶体管以将输入电压转换为输出电压。 本发明根据与输出电压有关的反馈信号产生误差信号，根据误差信号调整提供给驱动电路的工作电压。

公开(公告)号：US20120086418A1

公开(公告)日：2012-04-12

申请号：US12931189

申请日：2011-01-27

Applicant: Chia-Jung Lee ,  Yuan-Huang Cheng ,  Ting-Hung Wang

Inventor： Chia-Jung Lee ,  Yuan-Huang Cheng ,  Ting-Hung Wang

IPC: G05F1/00

CPC classification number: H02M3/1584 ,  H02M1/36

Abstract: The present invention discloses a multi-phase switching regulator, and a driver circuit and a control method thereof. The multi-phase switching regulator includes: at least two power stages each having at least one switching power transistor which switches to convert a common input voltage to a common output voltage according to PWM signals generated by corresponding PWM controllers, respectively; a feedback circuit, generating a feedback signal according to the output voltage; a current balance circuit, generating a current balance signal according to the currents of the power stages and a phase off signal to distribute current loading among the active power stages; and a soft shutdown control circuit, generating a soft shutdown control signal according to the phase off signal to gradually change the duty of a PWM signal corresponding to a power stage, so as to softly shut down the power stage to avoid a voltage undershoot.

Abstract translation: 本发明公开了一种多相开关调节器及其驱动电路及其控制方法。 多相开关调节器包括：至少两个功率级，每个功率级具有至少一个开关功率晶体管，其分别根据相应的PWM控制器产生的PWM信号来切换公共输入电压到公共输出电压; 反馈电路，根据输出电压产生反馈信号; 电流平衡电路，根据功率级的电流产生电流平衡信号和相位关闭信号，以在有功功率级之间分配电流负载; 和软关断控制电路，根据相位关闭信号产生软关断控制信号，逐渐改变对应于功率级的PWM信号的占空比，以便软抑制功率级以避免电压下冲。

公开(公告)号：US20120062189A1

公开(公告)日：2012-03-15

申请号：US12928539

申请日：2010-12-14

Applicant: Ting-Hung Wang ,  Chia-Jung Lee

Inventor： Ting-Hung Wang ,  Chia-Jung Lee

IPC: G05F1/10

CPC classification number: H02M3/156 ,  H02M2001/0009

Abstract: The present invention discloses a switching regulator, and a control circuit and method for controlling a switching regulator. The switching regulator includes a power stage driven by a driver voltage outputted from a driver circuit. The present invention detects an input current to generate an input current detection signal, and adjusts an operation voltage supplied to the driver circuit according to the input current detection signal.

Abstract translation: 本发明公开了一种开关调节器，以及用于控制开关调节器的控制电路和方法。 开关调节器包括由驱动器电路输出的驱动器电压驱动的功率级。 本发明检测输入电流以产生输入电流检测信号，并根据输入电流检测信号调整提供给驱动电路的工作电压。

公开(公告)号：US08134353B2

公开(公告)日：2012-03-13

申请号：US12459507

申请日：2009-07-02

Applicant: Ching-Jan Chen ,  Chun-Shih Huang ,  Kuo-Lung Tseng ,  Dan Chen

Inventor： Ching-Jan Chen ,  Chun-Shih Huang ,  Kuo-Lung Tseng ,  Dan Chen

IPC: G05F1/565

CPC classification number: H02M3/1584 ,  H02M2001/0032 ,  Y02B70/16

Abstract: The present invention discloses a multi-phase power converter, and a control circuit and a control method of the multi-phase power converter. The multi-phase power converter comprises multiple power conversion phases. The method comprises: determining whether to enter a phase-shedding mode; at a first time when entering the phase-shedding mode, disabling at least one of the power conversion phases; and at another time when entering the phase-shedding mode, disabling at least another one of the power conversion phases.

Abstract translation: 本发明公开了一种多相功率转换器，以及多相功率转换器的控制电路和控制方法。 多相功率转换器包括多个功率转换阶段。 该方法包括：确定是否进入相位模式; 在第一次进入相位切换模式时，禁用至少一个功率转换阶段; 并且在进入相位模式的另一时间，禁用至少另一个功率转换阶段。

公开(公告)号：US07943994B2

公开(公告)日：2011-05-17

申请号：US12470534

申请日：2009-05-22

Applicant: Chih-Feng Huang

Inventor： Chih-Feng Huang

IPC: H01L29/66

CPC classification number: H01L29/7813 ,  H01L27/0727 ,  H01L29/47 ,  H01L29/78 ,  H01L29/7806

Abstract: The present invention discloses an integrated PMOS transistor and Schottky diode, comprising a PMOS transistor which includes a gate, a source, a drain and a channel region between the source and drain, wherein the source, drain and channel region are formed in a substrate, and a parasitic diode is formed between the drain and the channel region; and a Schottky diode formed in the substrate and connected in reverse series with the parasitic diode, the Schottky diode having one end connected with the parasitic diode and the other end connected with the source.

Abstract translation: 本发明公开了一种集成PMOS晶体管和肖特基二极管，其包括PMOS晶体管，PMOS晶体管在源极和漏极之间包括栅极，源极，漏极和沟道区域，其中源极，漏极和沟道区域形成在衬底中， 并且在漏极和沟道区域之间形成寄生二极管; 和形成在衬底中并与寄生二极管反向串联连接的肖特基二极管，肖特基二极管的一端与寄生二极管连接，另一端与源极连接。

公开(公告)号：US20110012537A1

公开(公告)日：2011-01-20

申请号：US12799108

申请日：2010-04-19

Applicant: Jing-Meng LIU

Inventor： Jing-Meng LIU

IPC: H05B37/02 ,  H02M3/00

CPC classification number: H02M3/33523 ,  H05B33/0815

Abstract: The present invention discloses a driver circuit and a method for driving a load circuit. The driver circuit includes: a primary side circuit receiving rectified AC power; a transformer coupled to the primary side circuit and converting a primary voltage to a secondary voltage which is supplied to a load circuit; and a secondary side circuit coupled to the transformer, the secondary side circuit detecting current flowing through the load circuit and feedback controlling the primary side circuit accordingly.

Abstract translation: 本发明公开了一种用于驱动负载电路的驱动电路和方法。 驱动电路包括：一次侧电路接收整流的交流电; 耦合到初级侧电路并将初级电压转换为提供给负载电路的次级电压的变压器; 以及耦合到变压器的次级侧电路，次级侧电路检测流过负载电路的电流并相应地控制初级侧电路的反馈。

公开(公告)号：US20100225288A1

公开(公告)日：2010-09-09

申请号：US12459507

申请日：2009-07-02

Applicant: Ching-Jan Chen ,  Chun-Shih Huang ,  Kuo-Lung Tseng ,  Dan Chen

Inventor： Ching-Jan Chen ,  Chun-Shih Huang ,  Kuo-Lung Tseng ,  Dan Chen

IPC: G05F1/10

CPC classification number: H02M3/1584 ,  H02M2001/0032 ,  Y02B70/16

Abstract: The present invention discloses a multi-phase power converter, and a control circuit and a control method of the multi-phase power converter. The multi-phase power converter comprises multiple power conversion phases. The method comprises: determining whether to enter a phase-shedding mode; at a first time when entering the phase-shedding mode, disabling at least one of the power conversion phases; and at another time when entering the phase-shedding mode, disabling at least another one of the power conversion phases.

Abstract translation: 本发明公开了一种多相功率转换器，以及多相功率转换器的控制电路和控制方法。 多相功率转换器包括多个功率转换阶段。 该方法包括：确定是否进入相位模式; 在第一次进入相位切换模式时，禁用至少一个功率转换阶段; 并且在进入相位模式的另一时间，禁用至少另一个功率转换阶段。