公开(公告)号：US08040696B2

公开(公告)日：2011-10-18

申请号：US12250146

申请日：2008-10-13

申请人： Hongyang Wu ,  Bin Wang ,  Jianhong Zeng ,  Jianping Ying ,  Xiaoni Xin

发明人： Hongyang Wu ,  Bin Wang ,  Jianhong Zeng ,  Jianping Ying ,  Xiaoni Xin

IPC分类号： H02M3/335 ,  H02M7/217

CPC分类号： H02M3/33592 ,  H02M3/3378 ,  Y02B70/1433 ,  Y02B70/1475 ,  Y02P80/112

摘要： The configurations of a resonant converter system and a controlling method thereof are provided. The proposed resonant converter system includes a resonant converter receiving an input voltage for outputting an output voltage, a rectifying device having a first rectifying switch and a synchronous rectification control circuit coupled to the resonant converter and including a signal generation apparatus generating a weighted turn-off signal to turn off the first rectifying switch at a zero crossing point of a first current flowing through the first rectifying switch.

摘要翻译： 提供了一种谐振转换器系统的结构及其控制方法。 所提出的谐振转换器系统包括接收用于输出输出电压的输入电压的谐振变换器，具有第一整流开关和耦合到谐振转换器的同步整流控制电路的整流装置，并且包括产生加权关断的信号产生装置 信号以在流过第一整流开关的第一电流的过零点处关闭第一整流开关。

公开(公告)号：US08400787B2

公开(公告)日：2013-03-19

申请号：US13267186

申请日：2011-10-06

申请人： Hongyang Wu ,  Bin Wang ,  Jianhong Zeng ,  Jianping Ying ,  Xiaoni Xin

发明人： Hongyang Wu ,  Bin Wang ,  Jianhong Zeng ,  Jianping Ying ,  Xiaoni Xin

IPC分类号： H02M3/335 ,  H02M7/217

CPC分类号： H02M3/33592 ,  H02M3/3378 ,  Y02B70/1433 ,  Y02B70/1475 ,  Y02P80/112

摘要： The configurations of a resonant converter system and a controlling method thereof are provided. The proposed resonant converter system includes a resonant converter receiving an input voltage for outputting an output voltage, a rectifying device having a first rectifying switch and a synchronous rectification control circuit coupled to the resonant converter and including a signal generation apparatus generating a weighted turn-off signal to turn off the first rectifying switch at a zero crossing point of a first current flowing through the first rectifying switch.

摘要翻译： 提供了一种谐振转换器系统的结构及其控制方法。 所提出的谐振转换器系统包括接收用于输出输出电压的输入电压的谐振变换器，具有第一整流开关和耦合到谐振转换器的同步整流控制电路的整流装置，并且包括产生加权关断的信号产生装置 信号以在流过第一整流开关的第一电流的过零点处关闭第一整流开关。

公开(公告)号：US20090244934A1

公开(公告)日：2009-10-01

申请号：US12412979

申请日：2009-03-27

申请人： Bin Wang ,  Hongyang Wu ,  Jianping Ying ,  Xiaoni Xin ,  Qikun Wu

发明人： Bin Wang ,  Hongyang Wu ,  Jianping Ying ,  Xiaoni Xin ,  Qikun Wu

IPC分类号： H02M3/335

CPC分类号： H02M3/33592 ,  H02M3/3378 ,  Y02B70/1433 ,  Y02B70/1475

摘要： The configuration of a synchronous rectification circuit and a controlling method thereof are provided. The proposed circuit includes a converter including a first switch and a first synchronous rectifier, and a burst mode controller including a logic process module performing one of functions of delaying one of a non-integer and at least one operating periods to generate a synchronous rectification driving signal of the first synchronous rectifier counting from a beginning of a first pulse of a driving signal of the first switch during a working time of a burst period, and turning off the synchronous rectification driving signal of the first synchronous rectifier by one of the non-integer operating period and the at least one operating period ahead of an ending of a last operating period of the driving signal of the first switch during the working time of the burst period.

摘要翻译： 提供同步整流电路的结构及其控制方法。 所提出的电路包括包括第一开关和第一同步整流器的转换器，以及突发模式控制器，其包括执行延迟非整数和至少一个操作周期之一的功能之一的逻辑处理模块，以产生同步整流驱动 所述第一同步整流器在突发周期的工作时间期间从所述第一开关的驱动信号的第一脉冲的开始开始计数所述第一同步整流器的信号，并且通过所述非易失性存储器中的一个关闭所述第一同步整流器的同步整流驱动信号， 整数运行周期和在突发周期的工作时间期间第一开关的驱动信号的最后操作周期的结束之前的至少一个操作周期。

公开(公告)号：US08031489B2

公开(公告)日：2011-10-04

申请号：US12412979

申请日：2009-03-27

申请人： Bin Wang ,  Hongyang Wu ,  Jianping Ying ,  Xiaoni Xin ,  Qikun Wu

发明人： Bin Wang ,  Hongyang Wu ,  Jianping Ying ,  Xiaoni Xin ,  Qikun Wu

IPC分类号： H02M3/335

CPC分类号： H02M3/33592 ,  H02M3/3378 ,  Y02B70/1433 ,  Y02B70/1475

摘要： The configuration of a synchronous rectification circuit and a controlling method thereof are provided. The proposed circuit includes a converter including a first switch and a first synchronous rectifier, and a burst mode controller including a logic process module performing one of functions of delaying one of a non-integer and at least one operating periods to generate a synchronous rectification driving signal of the first synchronous rectifier counting from a beginning of a first pulse of a driving signal of the first switch during a working time of a burst period, and turning off the synchronous rectification driving signal of the first synchronous rectifier by one of the non-integer operating period and the at least one operating period ahead of an ending of a last operating period of the driving signal of the first switch during the working time of the burst period.

摘要翻译： 提供同步整流电路的结构及其控制方法。 所提出的电路包括包括第一开关和第一同步整流器的转换器，以及突发模式控制器，其包括执行延迟非整数和至少一个操作周期之一的功能之一的逻辑处理模块，以产生同步整流驱动 所述第一同步整流器在突发周期的工作时间期间从所述第一开关的驱动信号的第一脉冲的开始开始计数所述第一同步整流器的信号，并且通过所述非易失性存储器中的一个关闭所述第一同步整流器的同步整流驱动信号， 整数运行周期和在突发周期的工作时间期间第一开关的驱动信号的最后操作周期的结束之前的至少一个操作周期。

公开(公告)号：US07605570B2

公开(公告)日：2009-10-20

申请号：US11696561

申请日：2007-04-04

申请人： Teng Liu ,  Xiaoni Xin ,  Jianhong Zeng ,  Jianping Ying ,  Wei Zhao

发明人： Teng Liu ,  Xiaoni Xin ,  Jianhong Zeng ,  Jianping Ying ,  Wei Zhao

IPC分类号： H02M1/12 ,  H02M7/12

CPC分类号： H02M1/4208 ,  H02M1/4225 ,  Y02B70/126 ,  Y02P80/112

摘要： A bridgeless power factor correction converter that can reduce common-mode noise and enhance power density is made up of a boost inductor coupled to an input end, a bidirectional switch connected in series with the boost inductor, a first series rectifying circuit having a junction node connected between the boost inductor and the bi-directional switch, a second series rectifying circuit connected in parallel with the first series rectifying circuit and having a junction node coupled to the bi-directional switch, and an output capacitor connected in parallel with the second series rectifying circuit, in which the second series rectifying circuit is made up of slow-recovery diodes and the first series rectifying circuit is made up of fast-recovery diodes.

摘要翻译： 可以降低共模噪声和提高功率密度的无桥功率因数校正转换器由耦合到输入端的升压电感器，与升压电感器串联连接的双向开关组成，第一串联整流电路具有接点 连接在所述升压电感器和所述双向开关之间的第二串联整流电路，与所述第一串联整流电路并联连接并具有耦合到所述双向开关的接点，以及与所述第二串联并联连接的输出电容器 整流电路，其中第二串联整流电路由慢恢复二极管构成，第一串联整流电路由快速恢复二极管组成。

公开(公告)号：US20070279955A1

公开(公告)日：2007-12-06

申请号：US11696561

申请日：2007-04-04

申请人： Teng Liu ,  Xiaoni Xin ,  Jianhong Zeng ,  Jianping Ying ,  Wei Zhao

发明人： Teng Liu ,  Xiaoni Xin ,  Jianhong Zeng ,  Jianping Ying ,  Wei Zhao

IPC分类号： H02M7/00

CPC分类号： H02M1/4208 ,  H02M1/4225 ,  Y02B70/126 ,  Y02P80/112

摘要： A bridgeless power factor correction converter that can reduce common-mode noise and enhance power density is made up of a boost inductor coupled to an input end, a bidirectional switch connected in series with the boost inductor, a first series rectifying circuit having a junction node connected between the boost inductor and the bi-directional switch, a second series rectifying circuit connected in parallel with the first series rectifying circuit and having a junction node coupled to the bi-directional switch, and an output capacitor connected in parallel with the second series rectifying circuit, in which the second series rectifying circuit is made up of slow-recovery diodes and the first series rectifying circuit is made up of fast-recovery diodes.

摘要翻译： 可以降低共模噪声和提高功率密度的无桥功率因数校正转换器由耦合到输入端的升压电感器，与升压电感器串联连接的双向开关组成，第一串联整流电路具有接点 连接在所述升压电感器和所述双向开关之间的第二串联整流电路，与所述第一串联整流电路并联连接并具有耦合到所述双向开关的接点，以及与所述第二串联并联连接的输出电容器 整流电路，其中第二串联整流电路由慢恢复二极管构成，第一串联整流电路由快速恢复二极管组成。

公开(公告)号：US08541997B2

公开(公告)日：2013-09-24

申请号：US12915884

申请日：2010-10-29

申请人： Jian Jiang ,  Qikun Wu ,  Xiaoni Xin ,  Bin Wang ,  Hongyang Wu

发明人： Jian Jiang ,  Qikun Wu ,  Xiaoni Xin ,  Bin Wang ,  Hongyang Wu

IPC分类号： G05F1/575 ,  H02M3/335

CPC分类号： H02M3/33507 ,  G01R19/0092 ,  G01R31/40 ,  H02M7/003 ,  H02M2001/0009 ,  Y02B70/1433

摘要： Provided is a current sensing signal comparing device and current sensing signal comparing method. The current sensing signal comparing device includes a current sensing circuit for detecting a current signal of a switching circuit and thereby generating a current sensing signal, a control unit for outputting a control signal, and a compensating circuit for compensating the current sensing signal according to the control signal. The compensated current sensing signal is compared with a constant current reference signal in order to issue a constant current control signal. The device can also be provided to configure the compensating circuit to compensate the constant current reference signal, such that the current sensing signal is compared with the compensated constant current reference signal in order to issue a constant current control signal.

摘要翻译： 提供了一种电流感测信号比较装置和电流感测信号比较方法。 电流感测信号比较装置包括电流检测电路，用于检测开关电路的电流信号，从而产生电流感测信号，用于输出控制信号的控制单元和用于根据电流检测信号补偿电流检测信号的补偿电路 控制信号。 将补偿的电流感测信号与恒定电流参考信号进行比较，以便发出恒定的电流控制信号。 还可以提供该装置以配置补偿电路来补偿恒定电流参考信号，使得电流感测信号与补偿的恒定电流参考信号进行比较，以便发出恒定电流控制信号。

公开(公告)号：US20110107122A1

公开(公告)日：2011-05-05

申请号：US12916841

申请日：2010-11-01

申请人： Bin Wang ,  Hongyang Wu ,  Xiaoni Xin ,  Jian Jiang

发明人： Bin Wang ,  Hongyang Wu ,  Xiaoni Xin ,  Jian Jiang

IPC分类号： G06F1/26

CPC分类号： H02J1/102 ,  G06F1/30 ,  G06F1/32 ,  H02M1/32 ,  H02M3/33507

摘要： Disclosed is a power supply for receiving an input voltage and generating an output voltage and an output current, which includes a power converter for receiving the input voltage and generating an intermediate output voltage, an output protection circuit connected to an output terminal of the power converter and including a plurality of switch circuits connected in parallel with each other. The output protection circuit is configured to limit the flowing direction of the output current by the switching operations of the switch circuits. The power supply further includes a control unit connected to the output protection circuit for issuing a plurality of control signals to the switch circuits, in which at least two of the control signals are set to allow at least two of the switch circuits to be turned off with different timings.

摘要翻译： 公开了一种用于接收输入电压并产生输出电压和输出电流的电源，其包括用于接收输入电压并产生中间输出电压的功率转换器，连接到功率转换器的输出端子的输出保护电路 并且包括彼此并联连接的多个开关电路。 输出保护电路被配置为通过开关电路的开关操作来限制输出电流的流动方向。 电源还包括连接到输出保护电路的控制单元，用于向开关电路发出多个控制信号，其中至少两个控制信号被设置为允许至少两个开关电路被断开 有不同的时机。

公开(公告)号：US20110102951A1

公开(公告)日：2011-05-05

申请号：US12916824

申请日：2010-11-01

申请人： Hongyang Wu ,  Xiaoni Xin ,  Bin Wang ,  Qikun Wu

发明人： Hongyang Wu ,  Xiaoni Xin ,  Bin Wang ,  Qikun Wu

IPC分类号： H02H7/00

CPC分类号： H02H7/1206

摘要： Disclosed is a power supply and a power supply system using such power supply. The inventive power supply includes a power converter for converting an input voltage into an intermediate output voltage, an output protection circuit connected to an output terminal of the power converter and an output terminal of the power supply for protecting the power converter by its ON/OFF operations, and a control unit connected to the output protection circuit for controlling the output protection circuit. When an operating frequency of the power converter is higher than a first reference frequency and the intermediate output voltage is higher than a first reference voltage, the control unit outputs a first control signal to a control terminal of the output protection circuit to turn off the output protection circuit.

摘要翻译： 公开了使用这种电源的电源和电源系统。 本发明的电源包括用于将输入电压转换为中间输出电压的功率转换器，连接到功率转换器的输出端子的输出保护电路和电源的输出端子，用于通过其开/关来保护功率转换器 连接到输出保护电路的控制单元，用于控制输出保护电路。 当功率转换器的工作频率高于第一参考频率并且中间输出电压高于第一参考电压时，控制单元向输出保护电路的控制端输出第一控制信号以关闭输出 保护电路。

公开(公告)号：US09166488B2

公开(公告)日：2015-10-20

申请号：US12910151

申请日：2010-10-22

申请人： Hongyang Wu ,  Bin Wang ,  Jian Jiang ,  Xiaoni Xin

发明人： Hongyang Wu ,  Bin Wang ,  Jian Jiang ,  Xiaoni Xin

IPC分类号： H02M3/335 ,  H02M1/36 ,  H02M3/337 ,  H02M1/32

CPC分类号： H02M3/33592 ,  H02M1/36 ,  H02M3/3376 ,  H02M2001/322 ,  Y02B70/1433 ,  Y02B70/1475

摘要： An approach is provided for limiting or eliminating residual energy in a resonant network before restarting a resonant converter including the resonant network. An energy resetting module is configured to the resonant converter for limiting a peak current occurring in a switching circuit of the resonant converter by resetting energy remaining in a resonant circuit of the resonant converter after the resonant converter is turned off.

摘要翻译： 提供了在重新启动包括谐振网络的谐振转换器之前限制或消除谐振网络中的剩余能量的方法。 能量复位模块被配置为谐振转换器，用于通过在谐振转换器断开之后复位谐振转换器的谐振电路中剩余的能量来限制在谐振转换器的开关电路中出现的峰值电流。