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1. 发明申请

US20110068751A1 SAFETY CAPACITOR DISCHARGING METHOD AND APPARATUS FOR AC-TO-DC CONVERTERS 有权
标题翻译： AC-TO-DC转换器的安全电容器放电方法和装置
公开(公告)号：US20110068751A1
公开(公告)日：2011-03-24
申请号：US12566268
申请日：2009-09-24
申请人： Chun-Liang LIN , Chi-Hao WU , Ko-Ming LIN , Huang-Chi LIN , Chang-Ling SHA , Jun-Shiung HUANG
发明人： Chun-Liang LIN , Chi-Hao WU , Ko-Ming LIN , Huang-Chi LIN , Chang-Ling SHA , Jun-Shiung HUANG
IPC分类号： H02J7/00
CPC分类号： H02M1/126 , H02M2001/322
摘要： The present invention discloses a safety capacitor discharging method for AC-to-DC converters, wherein the AC-to-DC converters have a safety capacitor connected between two line voltages, the method comprising the steps of: detecting at least one line voltage to generate a line-off signal, wherein the line-off signal is at a first state when the peak voltage of the at least one line voltage is above a reference voltage, and the line-off signal is at a second state when the peak voltage of the at least one line voltage is below the reference voltage; and performing discharge of the safety capacitor by generating a conduction path between two plates of the safety capacitor when the line-off signal is at the second state. The present invention also provides a safety capacitor discharging apparatus for AC-to-DC converters.
摘要翻译：本发明公开了一种用于AC-DC转换器的安全电容器放电方法，其中AC-DC转换器具有连接在两个线路电压之间的安全电容器，该方法包括以下步骤：检测至少一个线路电压以产生线路断开信号，其中当所述至少一个线路电压的峰值电压高于参考电压时，所述线路关断信号处于第一状态，并且所述线路关断信号处于第二状态，当所述线路关断信号的峰值电压所述至少一个线路电压低于所述参考电压; 并且当所述线路关断信号处于第二状态时，通过在所述安全电容器的两个板之间产生导电路径来执行所述安全电容器的放电。本发明还提供一种用于AC-DC转换器的安全电容器放电装置。

2. 发明申请

US20110050308A1 STANDBY POWER REDUCTION METHOD AND APPARATUS FOR SWITCHING POWER APPLICATIONS 审中-公开
标题翻译：用于切换电源应用的待机功率减少方法和装置
公开(公告)号：US20110050308A1
公开(公告)日：2011-03-03
申请号：US12553398
申请日：2009-09-03
申请人： Jun-Shiung Huang , Chern-Lin Chen , Chang-Ling Sha , Ko-Yen Lee
发明人： Jun-Shiung Huang , Chern-Lin Chen , Chang-Ling Sha , Ko-Yen Lee
IPC分类号： H03K3/02
CPC分类号： H02M3/33507 , H02M2001/0032 , Y02B70/16
摘要： The present invention discloses a standby power reduction method and apparatus for switching power applications, the method comprising the steps of: performing a hysteresis comparison on a supply voltage to generate a selecting signal having a first state and a second state, wherein the hysteresis comparison has a high threshold voltage compared to the supply voltage when the selecting signal is at the first state, and the hysteresis comparison has a low threshold voltage compared to the supply voltage when the selecting signal is at the second state; and determining a UVLO_ON voltage according to the selecting signal, wherein the UVLO_ON voltage is equal to a first level when the selecting signal is at the first state, and the UVLO_ON voltage is equal to a second level when the selecting signal is at the second state.
摘要翻译：本发明公开了一种用于切换电源应用的待机功率降低方法和装置，所述方法包括以下步骤：对电源电压执行滞后比较，以产生具有第一状态和第二状态的选择信号，其中滞后比较当选择信号处于第一状态时与电源电压相比高的阈值电压，并且与选择信号处于第二状态时的电源电压相比，滞后比较具有低阈值电压; 以及根据选择信号确定UVLO_ON电压，其中当选择信号处于第一状态时，UVLO_ON电压等于第一电平，并且当选择信号处于第二状态时，UVLO_ON电压等于第二电平。

3. 发明授权

US08305047B2 Safety capacitor discharging method and apparatus for AC-to-DC converters 有权
标题翻译：用于AC-DC转换器的安全电容器放电方法和装置
公开(公告)号：US08305047B2
公开(公告)日：2012-11-06
申请号：US12566268
申请日：2009-09-24
申请人： Chun-Liang Lin , Chi-Hao Wu , Ko-Ming Lin , Huang-Chi Lin , Chang-Ling Sha , Jun-Shiung Huang
发明人： Chun-Liang Lin , Chi-Hao Wu , Ko-Ming Lin , Huang-Chi Lin , Chang-Ling Sha , Jun-Shiung Huang
IPC分类号： H02J7/00
CPC分类号： H02M1/126 , H02M2001/322
摘要： The present invention discloses a safety capacitor discharging method for AC-to-DC converters, wherein the AC-to-DC converters have a safety capacitor connected between two line voltages, the method comprising the steps of: detecting at least one line voltage to generate a line-off signal, wherein the line-off signal is at a first state when the peak voltage of the at least one line voltage is above a reference voltage, and the line-off signal is at a second state when the peak voltage of the at least one line voltage is below the reference voltage; and performing discharge of the safety capacitor by generating a conduction path between two plates of the safety capacitor when the line-off signal is at the second state. The present invention also provides a safety capacitor discharging apparatus for AC-to-DC converters.
摘要翻译：本发明公开了一种用于AC-DC转换器的安全电容器放电方法，其中AC-DC转换器具有连接在两个线路电压之间的安全电容器，该方法包括以下步骤：检测至少一个线路电压以产生线路断开信号，其中当所述至少一个线路电压的峰值电压高于参考电压时，所述线路关断信号处于第一状态，并且所述线路关断信号处于第二状态，当所述线路关断信号的峰值电压所述至少一个线路电压低于所述参考电压; 并且当所述线路关断信号处于第二状态时，通过在所述安全电容器的两个板之间产生导电路径来执行所述安全电容器的放电。本发明还提供一种用于AC-DC转换器的安全电容器放电装置。

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