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1. 发明申请

US20110026275A1 VOLTAGE-REGULATING CIRCUIT WITH INPUT VOLTAGE DETECTING CIRCUIT AND PARALLEL VOLTAGE-REGULATING CIRCUIT SYSTEM USING THE SAME 有权
标题翻译：具有输入电压检测电路的电压调节电路和使用该电路的并联电压调节电路系统
公开(公告)号：US20110026275A1
公开(公告)日：2011-02-03
申请号：US12845898
申请日：2010-07-29
申请人： Guisong Huang , Yahong Xiong
发明人： Guisong Huang , Yahong Xiong
IPC分类号： H02M3/335
CPC分类号： H02M3/33576 , H02M2001/0022
摘要： A voltage-regulating circuit according to the present invention includes a power conversion circuit, an input voltage detecting circuit and a feedback circuit. The power conversion circuit includes at least one switch element, wherein during operation of the at least one switch element, an input voltage is converted into a transition voltage. The input voltage detecting circuit is connected to the power conversion circuit for outputting a detected voltage signal corresponding to the input voltage. The feedback circuit is connected to the power conversion circuit and the input voltage detecting circuit for generating a feedback control signal. In such way, as the input voltage is changed, the feedback circuit will adjust to make the transition voltage changed as with the change of the detected voltage signal corresponding to the input voltage.
摘要翻译：根据本发明的电压调节电路包括电源转换电路，输入电压检测电路和反馈电路。功率转换电路包括至少一个开关元件，其中在至少一个开关元件的操作期间，输入电压被转换为转换电压。输入电压检测电路连接到功率转换电路，用于输出对应于输入电压的检测电压信号。反馈电路连接到功率转换电路和输入电压检测电路，用于产生反馈控制信号。这样，随着输入电压的变化，反馈电路将进行调整，使转换电压随着与输入电压对应的检测电压信号的变化而变化。

2. 发明授权

US08787040B2 Voltage-regulating circuit with input voltage detecting circuit and parallel voltage-regulating circuit system using the same 有权
标题翻译：电压调节电路采用输入电压检测电路和并联电压调节电路系统
公开(公告)号：US08787040B2
公开(公告)日：2014-07-22
申请号：US12845898
申请日：2010-07-29
申请人： Guisong Huang , Yahong Xiong
发明人： Guisong Huang , Yahong Xiong
IPC分类号： H02M3/335 , G05F5/00 , H02M1/00
CPC分类号： H02M3/33576 , H02M2001/0022
摘要： A voltage-regulating circuit according to the present invention includes a power conversion circuit, an input voltage detecting circuit and a feedback circuit. The power conversion circuit includes at least one switch element, wherein during operation of the at least one switch element, an input voltage is converted into a transition voltage. The input voltage detecting circuit is connected to the power conversion circuit for outputting a detected voltage signal corresponding to the input voltage. The feedback circuit is connected to the power conversion circuit and the input voltage detecting circuit for generating a feedback control signal. In such way, as the input voltage is changed, the feedback circuit will adjust to make the transition voltage changed as with the change of the detected voltage signal corresponding to the input voltage.
摘要翻译：根据本发明的电压调节电路包括电源转换电路，输入电压检测电路和反馈电路。功率转换电路包括至少一个开关元件，其中在至少一个开关元件的操作期间，输入电压被转换为转换电压。输入电压检测电路连接到功率转换电路，用于输出对应于输入电压的检测电压信号。反馈电路连接到功率转换电路和输入电压检测电路，用于产生反馈控制信号。这样，随着输入电压的变化，反馈电路将进行调整，使转换电压随着与输入电压对应的检测电压信号的变化而变化。

3. 发明申请

US20110025292A1 METHOD AND APPARATUS FOR PROVIDING POWER CONVERSION WITH PARALLEL FUNCTION 审中-公开
标题翻译：用于提供并行功能的功率转换的方法和装置
公开(公告)号：US20110025292A1
公开(公告)日：2011-02-03
申请号：US12845693
申请日：2010-07-28
申请人： Guisong Huang , Kun Lang , Yahong Xiong
发明人： Guisong Huang , Kun Lang , Yahong Xiong
IPC分类号： H02J4/00
CPC分类号： H02J1/102 , H02M3/1584 , H02M2001/327
摘要： An approach is provided for generating a plurality of output signals by a plurality of power modules in response to the respective temperature signals of said modules. Each of the power modules is arranged in parallel, each being configured to provide power conversion. Temperature signals representing temperatures of the plurality of power modules are shared among the plurality of power modules to attain a temperature balance.
摘要翻译：提供了一种用于响应于所述模块的相应温度信号由多个功率模块产生多个输出信号的方法。每个电源模块并联布置，每个被配置成提供电力转换。表示多个功率模块的温度的温度信号在多个功率模块之间共享以获得温度平衡。

4. 发明授权

US06424543B1 Integral DC to DC converter 有权
公开(公告)号：US06424543B1
公开(公告)日：2002-07-23
申请号：US09811757
申请日：2001-03-19
申请人： Alpha J. Zhang , Guisong Huang , Yilei Gu
发明人： Alpha J. Zhang , Guisong Huang , Yilei Gu
IPC分类号： H02M3335
CPC分类号： H02M1/10 , H02M3/33569
摘要： An integral DC to DC converter includes an input capacitor, a DC to AC circuit, a transformer, a rectifying circuit, a filtering capacitor and a control signal generator. The DC to AC circuit is connected with the input capacitor for converting the input DC voltage to a high frequency first AC voltage and the DC to AC circuit includes four full-bridge switching devices. The transformer is used for converting the first AC voltage into a second AC voltage. The rectifying circuit is connected to the secondary winding of the transformer for rectifying the second AC voltage to the output DC voltage. The filtering capacitor is connected to the rectifying circuit for filtering the output DC voltage. The control signal generator is used for providing a control signal to control the full-bridge switching device.

5. 发明授权

US06853568B2 Isolated voltage regulator with one core structure 有权
标题翻译：隔离式电压调节器，具有一个核心结构
公开(公告)号：US06853568B2
公开(公告)日：2005-02-08
申请号：US10441620
申请日：2003-05-20
申请人： Wenhua Li , Zhongwei Ke , Guisong Huang , Alpha J. Zhang
发明人： Wenhua Li , Zhongwei Ke , Guisong Huang , Alpha J. Zhang
IPC分类号： H02M3/335
CPC分类号： H02M3/33592 , Y02B70/1475
摘要： The present invention proposes a new structure for a high input VRM. This structure is similar to a simple buck converter and can simplify the 48V input VRM design. In this present invention, the interleaved voltage regulator is provided. The interleaved voltage regulator includes an integrated magnetic device for performing both transformer and output choke filter function, a first switch, a second switch, a third switch, and a fourth switch, wherein the integrated magnetic device includes a transformer having a first primary winding, a second primary winding, a first secondary winding, and a second secondary winding, a first choke filter having one end coupled to a first terminal of the first secondary winding, and a second choke filter having one end coupled to a first terminal of the second secondary winding, and the other end of the second choke filter coupled to the other end of the first choke filter to form the output terminal of the isolated voltage regulator. The first switch, the second switch, the first choke filter, and the first secondary winding form a synchronous rectifier circuit. The third switch, the fourth switch, the second choke filter, and the second secondary winding form another synchronous rectifier circuit.
摘要翻译：本发明提出了一种高输入VRM的新结构。这种结构类似于简单的降压转换器，可以简化48V输入VRM设计。在本发明中，提供了交错式电压调节器。交错式电压调节器包括用于执行变压器和输出扼流圈滤波器功能的集成磁性装置，第一开关，第二开关，第三开关和第四开关，其中所述集成磁性装置包括具有第一初级绕组的变压器，第二初级绕组，第一次级绕组和第二次级绕组，第一扼流器滤波器，其一端耦合到第一次级绕组的第一端子，以及第二扼流器滤波器，其一端耦合到第二次级绕组的第一端子次级绕组，并且第二扼流圈滤波器的另一端耦合到第一扼流圈滤波器的另一端，以形成隔离稳压器的输出端。第一开关，第二开关，第一扼流圈滤波器和第一次级绕组形成同步整流电路。第三开关，第四开关，第二扼流圈滤波器和第二次级绕组形成另一同步整流电路。

6. 发明授权

US06370044B1 Synchronous rectifier circuit 有权
标题翻译：同步整流电路
公开(公告)号：US06370044B1
公开(公告)日：2002-04-09
申请号：US09855006
申请日：2001-05-14
申请人： Alpha J. Zhang , Guisong Huang , Yilei Gu
发明人： Alpha J. Zhang , Guisong Huang , Yilei Gu
IPC分类号： H02M3335
CPC分类号： H02M3/33592 , Y02B70/1475
摘要： A self-driven synchronous rectifier circuit applied to a forward converter is provided. The circuit includes a transformer having a primary winding and a secondary winding for converting an input voltage into an output voltage, a first synchronous rectifier switch and a second synchronous rectifier switch connected to the secondary winding for rectifying the output voltage; and an auxiliary switch, wherein the gate terminal thereof is connected to the gate terminal of the first synchronous rectifier switch and the positive end of the secondary winding, the source terminal thereof is connected to the drain terminal of the first synchronous rectifier switch and the negative end of the secondary winding, and the drain terminal thereof is connected to the gate terminal of the second synchronous rectifier switch.
摘要翻译：提供了一种应用于正激变换器的自驱动同步整流电路。电路包括具有初级绕组和用于将输入电压转换为输出电压的次级绕组的变压器，连接到次级绕组的第一同步整流开关和第二同步整流器开关，用于整流输出电压; 以及辅助开关，其栅极端子连接到第一同步整流开关的栅极端子和次级绕组的正极，其源极端子连接到第一同步整流器开关的漏极端子，负极次级绕组的端部，其漏极端子连接到第二同步整流器开关的栅极端子。

7. 发明授权

US06714428B2 Combined transformer-inductor device for application to DC-to-DC converter with synchronous rectifier 有权
标题翻译：用于同步整流器的DC-DC转换器的组合变压器 - 电感器件
公开(公告)号：US06714428B2
公开(公告)日：2004-03-30
申请号：US10107733
申请日：2002-03-26
申请人： Guisong Huang , Yilei Gu , Yuequan Hu , Alpha J. Zhang , Jack Hsiao
发明人： Guisong Huang , Yilei Gu , Yuequan Hu , Alpha J. Zhang , Jack Hsiao
IPC分类号： H02M542
CPC分类号： H02M3/33592 , Y02B70/1475
摘要： An active clamped-mode DC-to-DC converter with synchronous rectifiers and a combined transformer-inductor device is provided. The power converter includes a combined transformer-inductor device having a primary winding, a secondary winding, and an auxiliary winding where the primary and the secondary windings perform a transformer function and the auxiliary winding performs an output filter function, a switching circuit for periodically providing a positive voltage to the primary winding and a negative voltage to reset the primary winding, and a synchronous rectification circuit connected for enabling conduction from the secondary winding to an output port in which the auxiliary winding is coupled between the output port and the synchronous rectification circuit for providing an inductance to filter an output signal.
摘要翻译：提供具有同步整流器和组合变压器 - 电感器装置的有源钳位模式DC-DC转换器。功率转换器包括具有初级绕组，次级绕组和辅助绕组的组合变压器 - 电感器装置，其中初级绕组和次级绕组执行变压器功能，并且辅助绕组执行输出滤波器功能，用于周期性地提供对初级绕组施加正电压和负电压以复位初级绕组;以及同步整流电路，其连接用于使得能够从次级绕组传导到输出端口，其中辅助绕组耦合在输出端口和同步整流电路之间用于提供电感以对输出信号进行滤波。

8. 发明授权

US06466458B2 Asymmetrical full bridge DC-to-DC converter 有权
标题翻译：不对称全桥直流到直流转换器
公开(公告)号：US06466458B2
公开(公告)日：2002-10-15
申请号：US09782573
申请日：2001-02-12
申请人： Alpha J. Zhang , Guisong Huang , Yilei Gu
发明人： Alpha J. Zhang , Guisong Huang , Yilei Gu
IPC分类号： H02M3335
CPC分类号： H02M3/3372 , H02M3/33569
摘要： An asymmetrical full bridge DC-to-DC converter comprises an asymmetrical full bridge circuit which includes main switches and auxiliary switches, a capacitor connected in series to the branch circuit of the auxiliary switches, and a transformer having a primary winding and a secondary winding. The primary winding of transformer is connected to the common point of each leg of the full bridge. A rectification circuit is connected at the secondary winding of the transformer to obtain dc voltage output. In operation, an asymmetrical control method is applied for these main switches and auxiliary switches. Main switches and auxiliary switches turn on and turn off compensatively. A linear control characteristic of output voltage to switching duty cycle and an optimal reset of the transformer core is achieved by this invention.
摘要翻译：不对称全桥DC-DC转换器包括一个非对称全桥电路，它包括主开关和辅助开关，一个与辅助开关的分支电路串联连接的电容器，以及一个具有初级绕组和次级绕组的变压器。变压器的初级绕组连接到全桥的每条腿的公共点。整流电路连接在变压器的次级绕组，以获得直流电压输出。在这些主开关和辅助开关中，采用非对称控制方式。主开关和辅助开关补偿打开和关闭。通过本发明实现了输出电压对开关占空比的线性控制特性和变压器磁芯的最佳复位。

9. 发明授权

US06396715B1 DC to DC converter for operating in selectable voltage modes 有权
标题翻译： DC至DC转换器，可在可选择的电压模式下工作
公开(公告)号：US06396715B1
公开(公告)日：2002-05-28
申请号：US09811680
申请日：2001-03-19
申请人： Alpha J. Zhang , Guisong Huang , Yilei Gu
发明人： Alpha J. Zhang , Guisong Huang , Yilei Gu
IPC分类号： H02M3335
CPC分类号： H02M1/10 , H02M3/33569
摘要： An integral DC to DC converter for converting at least one input DC voltage into at least one output DC voltage is provided. The integral DC to DC converter includes a first input capacitor and a second input capacitor for providing the at least one input DC voltage, a DC to AC circuit, a transformer, a rectifying circuit, a filtering capacitor, two input DC voltage switching elements and an output voltage switching element. The integral DC to DC converter is implemented by switching the switching elements.
摘要翻译：提供一种用于将至少一个输入DC电压转换成至少一个输出DC电压的集成DC-DC转换器。积分DC-DC转换器包括第一输入电容器和第二输入电容器，用于提供至少一个输入DC电压，DC至AC电路，变压器，整流电路，滤波电容器，两个输入DC电压开关元件和输出电压开关元件。通过切换开关元件来实现集成的DC-DC转换器。

10. 发明授权

US06344979B1 LLC series resonant DC-to-DC converter 有权
标题翻译： LLC串联谐振DC-DC转换器
公开(公告)号：US06344979B1
公开(公告)日：2002-02-05
申请号：US09780128
申请日：2001-02-09
申请人： Guisong Huang , Alpha J. Zhang , Yilei Gu
发明人： Guisong Huang , Alpha J. Zhang , Yilei Gu
IPC分类号： H02M3335
CPC分类号： H02M3/337 , H02M3/3382 , Y02B70/1433
摘要： The present invention discloses a DC-to-DC converter. The DC-to-DC converter includes a square wave generator for generating a sequence of output voltages having a waveform of square wave. The DC-to-DC converter further includes a resonant tank connected to the square wave generator comprising a series capacitor connected to a series inductor and a parallel inductor. The DC-to-DC converter further includes a transformer having a primary side connected in series with the series inductor and connected in parallel to the parallel inductor. The transformer further includes a secondary side for connecting to a rectifying circuit for providing a rectified DC voltage to an output load circuit. The series capacitor functioning with the series inductor to provide a first characteristic resonant frequency represented by ƒs, and the series capacitor functioning with the series inductor and the parallel inductor to provide a second characteristic resonant frequency represented by ƒm wherein ƒs>ƒm. The converter runs at variable frequency switching to perform output regulation. The converter features high conversion efficiency at high input operation by switching at frequency between the first and second characteristic resonant frequency. In a preferred embodiment, the parallel inductor is integrated to transformer as primary magnetizing inductor and in further the series inductor may also be integrated into transformer.
摘要翻译：本发明公开了一种DC-DC转换器。 DC-DC转换器包括用于产生具有方波波形的输出电压序列的方波发生器。 DC-DC转换器还包括连接到方波发生器的谐振槽，其包括连接到串联电感器和并联电感器的串联电容器。 DC-DC转换器还包括具有与串联电感器串联连接并与并联电感并联连接的初级侧的变压器。变压器还包括用于连接到整流电路的次级侧，用于向输出负载电路提供经整流的DC电压。串联电容器与串联电感器起作用以提供由ƒs表示的第一特性谐振频率，以及串联电容器与串联电感器和并联电感器起作用，以提供由ƒm表示的第二特性谐振频率，其中ƒs>ƒm。转换器以可变频率切换运行，以执行输出调节。该转换器在高输入操作下通过在第一和第二特性谐振频率之间切换频率而具有高转换效率。在优选实施例中，并联电感器作为主要磁化电感器集成到变压器中，并且还可将串联电感器集成到变压器中。

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