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11. 发明授权

US07570087B2 Switching drive circuit for soft switching 有权
标题翻译：开关驱动电路用于软开关
公开(公告)号：US07570087B2
公开(公告)日：2009-08-04
申请号：US11723989
申请日：2007-03-23
申请人： Ta-Yung Yang , Tso-Min Chen
发明人： Ta-Yung Yang , Tso-Min Chen
IPC分类号： H03K3/00
CPC分类号： H02M1/38 , H02M2001/0048 , H03K17/163 , H03K17/284 , Y02B70/1491
摘要： A switching drive circuit for soft switching is disclosed. It includes an input circuit to receive an input signal. A first delay circuit generates a first delay time in response to the enable of the input signal. A second delay circuit generates a second delay time in response to the disable of the input signal. A switching signal generator generates switching signals. The pulse width of the high-side switching signal is generated in proportion to the pulse width of the input signal. The high-side switching signal enabled after the first delay time once the input signal is enabled. The low-side switching signal disabled in response to the enable of the input signal. The low-side switching signal is enabled after the second delay time once the high-side switching signal is disabled.
摘要翻译：公开了一种用于软开关的开关驱动电路。它包括一个接收输入信号的输入电路。第一延迟电路响应于输入信号的使能而产生第一延迟时间。第二延迟电路响应于输入信号的禁用而产生第二延迟时间。开关信号发生器产生开关信号。高侧开关信号的脉冲宽度与输入信号的脉冲宽度成比例地生成。一旦输入信号使能，高侧开关信号在第一个延迟时间后使能。低端开关信号响应于输入信号的使能而被禁止。一旦高侧开关信号被禁止，低侧开关信号在第二延迟时间之后使能。

12. 发明申请

US20090040792A1 SYNCHRONOUS RECTIFYING CIRCUIT FOR RESONANT POWER CONVERTERS 有权
标题翻译：用于谐振电源的同步整流电路
公开(公告)号：US20090040792A1
公开(公告)日：2009-02-12
申请号：US11835807
申请日：2007-08-08
申请人： Ta-yung Yang , Tso-Min Chen
发明人： Ta-yung Yang , Tso-Min Chen
IPC分类号： H02M3/335
CPC分类号： H02M3/33592 , H02M2001/0058 , Y02B70/1433 , Y02B70/1475 , Y02B70/1491
摘要： A synchronous rectifying circuit is provided for resonant power converter. An integrated synchronous rectifier comprises a rectifying terminal, a ground terminal a first input terminal and a second input terminal. The rectifying terminal is coupled to the secondary side of a power transformer. The ground terminal is coupled to the output of the power converter. A power transistor is connected between the rectifying terminal and the ground terminal. The first input terminal and the second input terminal are coupled to receive a pulse signal for turning on/off the power transistor. A pulse-signal generation circuit includes an input circuit coupled to receive the switching signal for switching the power transformer of the power converter.
摘要翻译：为谐振功率转换器提供同步整流电路。集成同步整流器包括整流端子，接地端子，第一输入端子和第二输入端子。整流端子耦合到电力变压器的次级侧。接地端子耦合到功率转换器的输出端。功率晶体管连接在整流端子和接地端子之间。第一输入端子和第二输入端子被耦合以接收用于接通/关断功率晶体管的脉冲信号。脉冲信号发生电路包括耦合以接收切换信号的输入电路，用于切换功率转换器的电力变压器。

13. 发明申请

US20090027926A1 METHOD AND APPARATUS TO PROVIDE SYNCHRONOUS RECTIFYING CIRCUIT FOR FLYBACK POWER CONVERTERS 有权
标题翻译：提供逆变电源转换器同步整流电路的方法和装置
公开(公告)号：US20090027926A1
公开(公告)日：2009-01-29
申请号：US11782901
申请日：2007-07-25
申请人： Ta-yung Yang , Tso-Min Chen
发明人： Ta-yung Yang , Tso-Min Chen
IPC分类号： H02M3/335
CPC分类号： H02M3/33592 , Y02B70/1475
摘要： A synchronous rectifying circuit is provided for flyback power converter. A pulse generator is utilized to generate a pulse signal in response to a leading edge and a trailing edge of a switching signal. The switching signal is used for switching the transformer of the power converter. An isolation device such as pulse transformer or small capacitors is coupled to the pulse generator for transferring the pulse signal through an isolation barrier of a transformer. A synchronous rectifier includes a power switch and a control circuit. The power switch is connected in between the secondary side of the transformer and the output of the power converter for the rectifying operation. The control circuit having a latch is operated to receive the pulse signal for controlling the power switch.
摘要翻译：为反激式功率转换器提供同步整流电路。脉冲发生器用于响应于开关信号的前沿和后沿产生脉冲信号。开关信号用于切换电源转换器的变压器。诸如脉冲变压器或小电容器的隔离装置耦合到脉冲发生器，用于通过变压器的隔离栅传递脉冲信号。同步整流器包括电源开关和控制电路。电源开关连接在变压器的次级侧和用于整流操作的电源转换器的输出之间。具有闩锁的控制电路被操作以接收用于控制电源开关的脉冲信号。

14. 发明授权

US07787264B2 Apparatus to provide synchronous rectifying circuit for flyback power converters 有权
标题翻译：提供反激式电源转换器的同步整流电路的装置
公开(公告)号：US07787264B2
公开(公告)日：2010-08-31
申请号：US11782901
申请日：2007-07-25
申请人： Ta-yung Yang , Tso-Min Chen
发明人： Ta-yung Yang , Tso-Min Chen
IPC分类号： H02M3/335
CPC分类号： H02M3/33592 , Y02B70/1475
摘要： A synchronous rectifying circuit is provided for flyback power converter. A pulse generator is utilized to generate a pulse signal in response to a leading edge and a trailing edge of a switching signal. The switching signal is used for switching the transformer of the power converter. An isolation device such as pulse transformer or small capacitors is coupled to the pulse generator for transferring the pulse signal through an isolation barrier of a transformer. A synchronous rectifier includes a power switch and a control circuit. The power switch is connected in between the secondary side of the transformer and the output of the power converter for the rectifying operation. The control circuit having a latch is operated to receive the pulse signal for controlling the power switch.
摘要翻译：为反激式功率转换器提供同步整流电路。脉冲发生器用于响应于开关信号的前沿和后沿产生脉冲信号。开关信号用于切换电源转换器的变压器。诸如脉冲变压器或小电容器的隔离装置耦合到脉冲发生器，用于通过变压器的隔离栅传递脉冲信号。同步整流器包括电源开关和控制电路。电源开关连接在变压器的次级侧和用于整流操作的电源转换器的输出之间。具有闩锁的控制电路被操作以接收用于控制电源开关的脉冲信号。

15. 发明申请

US20080310203A1 METHOD AND APPARATUS TO PROVIDE SYNCHRONOUS RECTIFYING CIRCUIT FOR OFFLINE POWER CONVERTERS 有权
标题翻译：为离线电源转换器提供同步整流电路的方法和装置
公开(公告)号：US20080310203A1
公开(公告)日：2008-12-18
申请号：US11763171
申请日：2007-06-14
申请人： Ta-yung Yang , Tso-Min Chen
发明人： Ta-yung Yang , Tso-Min Chen
IPC分类号： H02M7/06
CPC分类号： H02M1/08 , H03K17/28 , H03K17/74 , H03K17/80
摘要： A synchronous rectifying circuit is provided for power converter. A pulse signal generator is utilized to generate a pulse signal in response to the leading edge and the trailing edge of a switching signal. The switching signal is used for switching the transformer of the power converter. An isolation device such as pulse transformer or small capacitors is coupled to the pulse signal generator for transferring the pulse signal through an isolation barrier of a transformer. A synchronous rectifier includes a power switch and a control circuit. The power switch is equipped in between the secondary side of the transformer and the output of the power converter for the rectifying. The control circuit having a latch is operated to receive the pulse signal for turning on/off the power switch.
摘要翻译：为功率转换器提供同步整流电路。脉冲信号发生器用于响应于开关信号的前沿和后沿产生脉冲信号。开关信号用于切换电源转换器的变压器。诸如脉冲变压器或小电容器的隔离装置被耦合到脉冲信号发生器，用于通过变压器的隔离栅传递脉冲信号。同步整流器包括电源开关和控制电路。电源开关配置在变压器的次级侧和电源转换器的输出端之间进行整流。具有闩锁的控制电路被操作以接收用于打开/关闭电源开关的脉冲信号。

16. 发明授权

US07149098B1 Over-power protection apparatus with programmable over-current threshold 有权
标题翻译：具有可编程过流阈值的过功率保护装置
公开(公告)号：US07149098B1
公开(公告)日：2006-12-12
申请号：US11324324
申请日：2006-01-04
申请人： Tso-Min Chen
发明人： Tso-Min Chen
IPC分类号： H02H7/122
CPC分类号： H02M1/32 , H02H3/006 , H02M3/33507
摘要： An over-power protection apparatus with programmable over-current threshold for a power converter is provided. The over-power protection apparatus further provides an over-temperature threshold for protection purposes. The over-power protection apparatus is able to achieve over-power and over-temperature protection in response to the level of the driving signal of the power converter. In addition, the programmable over-current threshold of the present invention can be adjusted in response to various load conditions.
摘要翻译：提供了具有用于功率转换器的可编程过电流阈值的过功率保护装置。过功率保护装置还提供用于保护目的的过温阈值。过功率保护装置能够响应于功率转换器的驱动信号的电平而实现过功率和过温保护。此外，可以响应于各种负载条件来调整本发明的可编程过电流阈值。

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