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1. 发明授权

US08384304B2 LED driver controller 失效
标题翻译： LED驱动控制器
公开(公告)号：US08384304B2
公开(公告)日：2013-02-26
申请号：US12861549
申请日：2010-08-23
申请人： Chia-Chieh Hung , Yen-Hui Wang , Ko-Yen Lee , Wei-Chuan Su
发明人： Chia-Chieh Hung , Yen-Hui Wang , Ko-Yen Lee , Wei-Chuan Su
IPC分类号： H05B37/02
CPC分类号： H05B33/0815 , H05B33/0809
摘要： A novel LED driver controller, including: an auto-gain control unit, having an input end coupled to an input voltage signal which is derived from a line voltage, and an output end for providing a normalized signal; a comparator, used to perform voltage comparison on the normalized signal and a current sensing signal to generate a turn-off signal, wherein the turn-off signal will change state from inactive to active when the current sensing signal reaches the normalized signal; and a driving circuit, having a set input end, a reset input end, and an output end, the set input end being coupled to a turn-on signal, the reset input end being coupled to the turn-off signal, the output end being used for providing a gating signal.
摘要翻译：一种新颖的LED驱动器控制器，包括：自动增益控制单元，具有耦合到从线电压导出的输入电压信号的输入端和用于提供归一化信号的输出端; 用于对归一化信号进行电压比较的比较器和用于产生关断信号的电流感测信号，其中当电流感测信号达到归一化信号时，关断信号将从非活动状态改变为有效; 以及具有设定输入端，复位输入端和输出端的驱动电路，所述输入端与接通信号耦合，所述复位输入端耦合到所述关断信号，所述输出端用于提供门控信号。

2. 发明授权

US08390357B2 Fixed dead time PFC controller 失效
标题翻译：固定死区PFC控制器
公开(公告)号：US08390357B2
公开(公告)日：2013-03-05
申请号：US13118208
申请日：2011-05-27
申请人： Chia-Chieh Hung , Yen-Hui Wang
发明人： Chia-Chieh Hung , Yen-Hui Wang
IPC分类号： G06F1/04
CPC分类号： H02M1/4208 , Y02B70/126 , Y02P80/112
摘要： A fixed dead time PFC controller, comprising: an amplitude normalization circuit, used to generate a normalized signal according to a full-wave rectified input voltage; a comparator circuit, used to compare the normalized signal with a threshold voltage to generate a select signal, wherein the select signal exhibits a first state when the normalized signal is higher than the threshold voltage, and a second state when the normalized signal is lower than the threshold voltage; and a driving signal selection circuit, having a first input end coupled to a first driving signal, a second input end coupled to a second driving signal, a control end coupled to the select signal, and an output end for outputting a gate driving signal.
摘要翻译：一种固定死区PFC控制器，包括：振幅归一化电路，用于根据全波整流输入电压产生归一化信号; 比较器电路，用于将归一化信号与阈值电压进行比较以产生选择信号，其中当归一化信号高于阈值电压时，选择信号呈现第一状态，当归一化信号低于阈值电压时，第二状态阈值电压; 以及驱动信号选择电路，其具有耦合到第一驱动信号的第一输入端，耦合到第二驱动信号的第二输入端，耦合到选择信号的控制端以及用于输出栅极驱动信号的输出端。

3. 发明授权

US07911815B2 Primary-side feedback control device and related method for a power converter 有权
标题翻译：一次侧反馈控制装置及其相关方法
公开(公告)号：US07911815B2
公开(公告)日：2011-03-22
申请号：US12346879
申请日：2008-12-31
申请人： Yen-Hui Wang , Chin-Yen Lin , Chi-Hao Wu , Chia-Chieh Hung
发明人： Yen-Hui Wang , Chin-Yen Lin , Chi-Hao Wu , Chia-Chieh Hung
IPC分类号： H02M3/335
CPC分类号： H02M3/33523
摘要： A primary-side feedback control device for a power converter includes a control unit for generating a pulse signal according to a feedback signal for controlling on and off states of a switching transistor of the power converter, a comparator coupled to an auxiliary winding of a primary side of the power converter for generating at least one control signal according to a voltage on the auxiliary winding and a reference voltage, a sample-and-hold unit coupled to the auxiliary winding, the comparator, and the control unit for generating the feedback signal according to the voltage on the auxiliary winding and the at least one control signal, and a voltage generator coupled to the control unit, the comparator, and the sample-and-hold unit for generating the reference voltage according to the feedback signal.
摘要翻译：用于功率转换器的初级侧反馈控制装置包括：控制单元，用于根据用于控制功率转换器的开关晶体管的导通和截止状态的反馈信号产生脉冲信号;比较器，耦合到初级侧的辅助绕组; 用于根据辅助绕组上的电压和参考电压产生至少一个控制信号的电源转换器侧，耦合到辅助绕组的采样和保持单元，比较器和控制单元，用于产生反馈信号根据辅助绕组上的电压和至少一个控制信号，以及耦合到控制单元，比较器和采样保持单元的电压发生器，用于根据反馈信号产生参考电压。

4. 发明申请

US20100315062A1 QUASI-RESONANT VALLEY VOLTAGE DETECTING METHOD AND APPARATUS 有权
标题翻译： QUASI-RESONANT VALLEY电压检测方法和装置
公开(公告)号：US20100315062A1
公开(公告)日：2010-12-16
申请号：US12482358
申请日：2009-06-10
申请人： Chia-Chieh Hung , Yen-Hui Wang
发明人： Chia-Chieh Hung , Yen-Hui Wang
IPC分类号： G01R19/00
CPC分类号： G01R19/0084
摘要： The present invention discloses a quasi-resonant valley voltage detecting method, comprising the steps of: generating a valley detection signal by detecting a valley of a first quasi-resonant signal; generating a count value by counting the valley detection signal; and determining a level transition instance of a gating signal according to the count value, wherein the level transition instance of the gating signal is pulled back by the valley detection signal to trace the valley of the first quasi-resonant signal. The present invention also provides a quasi-resonant valley voltage detecting apparatus.
摘要翻译：本发明公开了一种准谐振谷值电压检测方法，包括以下步骤：通过检测第一准谐振信号的谷值产生谷值检测信号; 通过对谷值检测信号进行计数来生成计数值; 以及根据所述计数值确定门控信号的电平转换实例，其中门控信号的电平转换实例被谷值检测信号拉回以跟踪第一准谐振信号的谷值。本发明还提供一种准谐振谷值电压检测装置。

5. 发明申请

US20090256545A1 Current-level Controlling Device for a Power Supply Device and Related Power Supply Device 有权
标题翻译：电源装置和相关电源装置的电流控制装置
公开(公告)号：US20090256545A1
公开(公告)日：2009-10-15
申请号：US12336537
申请日：2008-12-17
申请人： Yen-Hui Wang , Chi-Hao Wu , Chia-Chieh Hung , Chin-Yen Lin
发明人： Yen-Hui Wang , Chi-Hao Wu , Chia-Chieh Hung , Chin-Yen Lin
IPC分类号： G05F5/00
CPC分类号： H02M3/33507
摘要： A current-level controlling device for a power supply includes a reception end for receiving a current sense signal, a reference voltage generator for generating a reference voltage, an adaptive reference voltage generator, coupled to the reference voltage generator and the reception end, for adjusting the reference voltage according to variation of peak values of the current sense signal, so as to generate an adaptive reference voltage, a comparator, coupled to the reception end and the adaptive reference voltage generator, for comparing the current sense signal and the adaptive reference voltage, to generate a comparison result, and a control unit, coupled to the comparator, for controlling a switch transistor of the power supply according to the comparison result.
摘要翻译：用于电源的电流电平控制装置包括用于接收电流感测信号的接收端，用于产生参考电压的参考电压发生器，耦合到参考电压发生器和接收端的自适应参考电压发生器，用于调整根据电流检测信号的峰值的变化产生参考电压，以产生耦合到接收端和自适应参考电压发生器的自适应参考电压，比较器，用于比较电流检测信号和自适应参考电压，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的开关晶体管。

6. 发明申请

US20100289463A1 PRIMARY-SIDE FEEDBACK CONTROL DEVICE AND RELATED METHOD FOR A POWER CONVERTER 审中-公开
标题翻译：主侧反馈控制装置及其功率转换器的相关方法
公开(公告)号：US20100289463A1
公开(公告)日：2010-11-18
申请号：US12464874
申请日：2009-05-13
申请人： Yen-Hui Wang , Chin-Yen Lin , Chia-Chieh Hung , Chi-Hao Wu
发明人： Yen-Hui Wang , Chin-Yen Lin , Chia-Chieh Hung , Chi-Hao Wu
IPC分类号： G05F1/625
CPC分类号： H02M3/33523
摘要： A primary-side feedback control device for a power converter includes a control unit, a comparator and a sample-and-hold unit. The control unit is utilized for generating a pulse signal according to a feedback signal for controlling on and off states of a switching transistor of the power converter. The comparator is coupled to an auxiliary winding of a primary side of the power converter, and is utilized for generating at least one control signal according to a voltage on the auxiliary winding. The sample-and-hold unit is coupled to the auxiliary winding, the comparator and the control unit, and is utilized for generating the feedback signal according to the voltage on the auxiliary winding and the at least one control signal.
摘要翻译：用于功率转换器的初级侧反馈控制装置包括控制单元，比较器和采样保持单元。控制单元用于根据用于控制功率转换器的开关晶体管的导通和截止状态的反馈信号产生脉冲信号。比较器耦合到功率转换器的初级侧的辅助绕组，并用于根据辅助绕组上的电压产生至少一个控制信号。采样保持单元耦合到辅助绕组，比较器和控制单元，并用于根据辅助绕组上的电压和至少一个控制信号产生反馈信号。

7. 发明申请

US20100149712A1 Digital Overcurrent Protection Device for a Power Supply Device and Related Power Supply Device 审中-公开
标题翻译：数字过电流保护装置，用于电源装置及相关电源装置
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。

8. 发明申请

US20120299570A1 FIXED DEAD TIME PFC CONTROLLER 失效
标题翻译：固定死时PFC控制器
公开(公告)号：US20120299570A1
公开(公告)日：2012-11-29
申请号：US13118208
申请日：2011-05-27
申请人： Chia-Chieh Hung , Yen-Hui Wang
发明人： Chia-Chieh Hung , Yen-Hui Wang
IPC分类号： G05F1/618
CPC分类号： H02M1/4208 , Y02B70/126 , Y02P80/112
摘要： A fixed dead time PFC controller, comprising: an amplitude normalization circuit, used to generate a normalized signal according to a full-wave rectified input voltage; a comparator circuit, used to compare the normalized signal with a threshold voltage to generate a select signal, wherein the select signal exhibits a first state when the normalized signal is higher than the threshold voltage, and a second state when the normalized signal is lower than the threshold voltage; and a driving signal selection circuit, having a first input end coupled to a first driving signal, a second input end coupled to a second driving signal, a control end coupled to the select signal, and an output end for outputting a gate driving signal.
摘要翻译：一种固定死区PFC控制器，包括：振幅归一化电路，用于根据全波整流输入电压产生归一化信号; 比较器电路，用于将归一化信号与阈值电压进行比较以产生选择信号，其中当归一化信号高于阈值电压时，选择信号呈现第一状态，当归一化信号低于阈值电压时，第二状态阈值电压; 以及驱动信号选择电路，其具有耦合到第一驱动信号的第一输入端，耦合到第二驱动信号的第二输入端，耦合到选择信号的控制端以及用于输出栅极驱动信号的输出端。

9. 发明授权

US08044651B2 Efficient PWM controller 有权
标题翻译：高效的PWM控制器
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。

10. 发明授权

US07872842B2 Overcurrent protection device for a power supply device and related power supply device 有权
标题翻译：电源装置及相关电源装置的过电流保护装置
公开(公告)号：US07872842B2
公开(公告)日：2011-01-18
申请号：US12275175
申请日：2008-11-20
申请人： Yen-Hui Wang , Chi-Hao Wu , Chia-Chieh Hung , Chin-Yen Lin
发明人： Yen-Hui Wang , Chi-Hao Wu , Chia-Chieh Hung , Chin-Yen Lin
IPC分类号： H02H7/00
CPC分类号： H02M3/33507 , H02M1/32
摘要： An overcurrent protection device for a power supply device includes a receiving end for receiving a current sensing signal, a compensating current unit coupled to the receiving end for compensating the current sensing signal in order to generate a current sense compensation signal, a first reference voltage generator for generating a first reference voltage, a comparator coupled between the compensating current unit and the first reference voltage generator for comparing the current sense compensation signal with the first reference voltage in order to generate a comparison result, 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：用于电源装置的过电流保护装置包括用于接收电流感测信号的接收端，耦合到接收端的补偿电流单元，用于补偿电流感测信号以产生电流感测补偿信号，第一参考电压发生器用于产生第一参考电压的比较器，耦合在所述补偿电流单元和所述第一参考电压发生器之间的比较器，用于将所述电流感测补偿信号与所述第一参考电压进行比较，以便产生比较结果;耦合到所述比较器的控制单元，电源装置的电源开关根据比较结果。

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