公开(公告)号：US08044651B2

公开(公告)日：2011-10-25

申请号：US12331529

申请日：2008-12-10

申请人： Yen-Hui Wang ,  Chin-Yen Lin ,  Chia-Chieh Hung ,  Yu-Min Shih

发明人： Yen-Hui Wang ,  Chin-Yen Lin ,  Chia-Chieh Hung ,  Yu-Min Shih

IPC分类号： G05F1/40

CPC分类号： H02M3/33507 ,  H02M2001/0032 ,  H03K7/08 ,  Y02B70/16 ,  Y10T307/50

摘要： This patent discloses an efficient PWM controller for generating a pulse signal in response to a feedback signal, capable of operating in a normal mode or a green mode, comprising: a capacitor for building a saw-tooth signal by current integration, the saw-tooth signal having a ramp-up period and a ramp-down period; a first composite current source for the ramp-up period, detachable into a first constant current source and a first variable current source; and a second composite current source for the ramp-down period, detachable into a second constant current source and a second variable current source; wherein, the first variable current source is attached to the first constant current source and the second variable current source is attached to the second constant current source respectively in the green mode.

摘要翻译： 该专利公开了一种有效的PWM控制器，用于响应于能够以正常模式或绿色模式操作的反馈信号产生脉冲信号，包括：用于通过电流积分建立锯齿信号的电容器，锯齿 信号具有斜坡上升周期和斜坡下降周期; 用于所述斜坡上升周期的第一复合电流源，可分离成第一恒定电流源和第一可变电流源; 以及用于所述斜坡下降周期的第二复合电流源，可分离成第二恒定电流源和第二可变电流源; 其中，所述第一可变电流源附接到所述第一恒定电流源，并且所述第二可变电流源分别以绿色模式附接到所述第二恒定电流源。

公开(公告)号：US20100141033A1

公开(公告)日：2010-06-10

申请号：US12331529

申请日：2008-12-10

申请人： Yen-Hui Wang ,  Chin-Yen Lin ,  Chia-Chieh Hung ,  Yu-Min Shih

发明人： Yen-Hui Wang ,  Chin-Yen Lin ,  Chia-Chieh Hung ,  Yu-Min Shih

IPC分类号： H02J1/04

CPC分类号： H02M3/33507 ,  H02M2001/0032 ,  H03K7/08 ,  Y02B70/16 ,  Y10T307/50

摘要： This patent discloses an efficient PWM controller for generating a pulse signal in response to a feedback signal, capable of operating in a normal mode or a green mode, comprising: a capacitor for building a saw-tooth signal by current integration, the saw-tooth signal having a ramp-up period and a ramp-down period; a first composite current source for the ramp-up period, detachable into a first constant current source and a first variable current source; and a second composite current source for the ramp-down period, detachable into a second constant current source and a second variable current source; wherein, the first variable current source is attached to the first constant current source and the second variable current source is attached to the second constant current source respectively in the green mode.

摘要翻译： 该专利公开了一种有效的PWM控制器，用于响应于能够以正常模式或绿色模式操作的反馈信号产生脉冲信号，包括：用于通过电流积分建立锯齿信号的电容器，锯齿 信号具有斜坡上升周期和斜坡下降周期; 用于所述斜坡上升周期的第一复合电流源，可分离成第一恒定电流源和第一可变电流源; 以及用于所述斜坡下降周期的第二复合电流源，可分离成第二恒定电流源和第二可变电流源; 其中，所述第一可变电流源附接到所述第一恒定电流源，并且所述第二可变电流源分别以绿色模式附接到所述第二恒定电流源。

公开(公告)号：US20100149712A1

公开(公告)日：2010-06-17

申请号：US12336522

申请日：2008-12-16

申请人： Yen-Hui Wang ,  Chi-Hao Wu ,  Chia-Chieh Hung ,  Yu-Min Shih

发明人： Yen-Hui Wang ,  Chi-Hao Wu ,  Chia-Chieh Hung ,  Yu-Min Shih

IPC分类号： H02H3/08

CPC分类号： H02H7/1213 ,  H01H3/004 ,  H02M1/32 ,  H02M3/33515

摘要： A digital overcurrent protection device for a power supply device includes a receiving end for receiving a current sensing signal, a digital reference voltage generator for digitally generating a reference voltage, a comparator coupled between the receiving end and the digital reference voltage generator for comparing the current sense signal with the reference voltage in order to generate a comparison result, and a control unit coupled to the comparator for controlling a power switch of the power supply device according to the comparison result.

摘要翻译： 用于电源装置的数字过电流保护装置包括用于接收电流感测信号的接收端，用于数字产生参考电压的数字参考电压发生器，耦合在接收端与数字参考电压发生器之间的比较电流 具有参考电压的感测信号以产生比较结果，以及耦合到比较器的控制单元，用于根据比较结果控制电源装置的电源开关。