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21.发明授权公开(公告)号：US08000071B2
公开(公告)日：2011-08-16
申请号：US12155023
申请日：2008-05-29
Applicant: Pei-Lun Huang , Cheng-Hsuan Fan
Inventor： Pei-Lun Huang , Cheng-Hsuan Fan
IPC: H02H7/12
Abstract: An apparatus and method for reducing the die area of a PWM controller include a protection circuit triggered by a fault index signal for counting, and the counting time is provided for a delay time required by fault verification. Therefore, fault detection circuits can be eliminated and the purpose of reducing the die area can be achieved.
Abstract translation: 用于减小PWM控制器的管芯面积的装置和方法包括由用于计数的故障索引信号触发的保护电路，并且为故障验证所需的延迟时间提供计数时间。 因此，可以消除故障检测电路，并且可以实现减小管芯面积的目的。
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22.发明申请
公开(公告)号：US20100117617A1
公开(公告)日：2010-05-13
申请号：US12591079
申请日：2009-11-06
Applicant: Chao-Hsuan Chuang , Ching-Hsiang Yang , Cheng-Hsuan Fan , Hung-Che Chou
Inventor： Chao-Hsuan Chuang , Ching-Hsiang Yang , Cheng-Hsuan Fan , Hung-Che Chou
IPC: G05F1/618
CPC classification number: H02M3/33507 , H02M3/33523
Abstract: A flyback voltage converter includes a transformer having a primary winding and a secondary winding, a switch serially connected to the primary winding for being switched to produce a current in the secondary winding, and a negative lock loop to adjust the peak value of the current in the secondary winding according to a current conduction time during which the current in the secondary winding is higher than a current threshold, such that the peak value of the current in the secondary winding will be in inverse proportion to the time.
Abstract translation: 回扫电压转换器包括具有初级绕组和次级绕组的变压器，串联连接到初级绕组的开关用于切换以产生次级绕组中的电流，以及负锁定环以调整电流的峰值 次级绕组根据次级绕组中的电流的电流导通时间高于电流阈值，使得次级绕组中的电流的峰值将与时间成反比。
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23.发明授权
公开(公告)号：US07619396B2
公开(公告)日：2009-11-17
申请号：US11526624
申请日：2006-09-26
Applicant: Chao-Hsuan Chuang , Cheng-Hsuan Fan , Hung-Che Chou , Ching-Hsiang Yang , Chih-Ping Tan
Inventor： Chao-Hsuan Chuang , Cheng-Hsuan Fan , Hung-Che Chou , Ching-Hsiang Yang , Chih-Ping Tan
CPC classification number: G05F1/56 , Y10T307/702
Abstract: Time-sharing technique is used for power conversion to improve the thermal dissipation thereof. In a power supply arrangement to provide a supply voltage to a load, a plurality of linear regulators are so switched that each time only one of them is enabled to convert an input voltage to the supply voltage, thereby each of them suffering less thermal dissipation.
Abstract translation: 分时技术用于电力转换，以改善其散热。 在向负载提供电源电压的电源装置中，多个线性稳压器被切换，每次只有其中一个能够将输入电压转换成电源电压，从而每个线性稳压器的热耗散较少。
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24.发明授权Light-load efficiency improving method and apparatus for a flyback converter 有权用于反激式转换器的轻载效率改进方法和装置
公开(公告)号：US07609533B2
公开(公告)日：2009-10-27
申请号：US11882637
申请日：2007-08-03
Applicant: Chao-Hsuan Chuang , Cheng-Hsuan Fan , Hung-Che Chou
Inventor： Chao-Hsuan Chuang , Cheng-Hsuan Fan , Hung-Che Chou
IPC: H02M3/335
CPC classification number: H02M3/33523 , H02M2001/0025 , H02M2001/0032 , Y02B70/16
Abstract: A flyback converter has a controller to switch a power switch so as to convert an input voltage to an output voltage for a load by monitoring an output voltage dependent signal and a current sensing signal derived from a current flowing through the power switch, a light-load efficiency improving apparatus monitors the load and a supply voltage provided for the controller to selectively clamp the output voltage dependent signal when the load is lower than a first threshold value and the supply voltage is lower than a second threshold value, so as to increase the supply voltage.
Abstract translation: 反激式转换器具有控制器，用于切换电源开关，以便通过监视输出电压相关信号和从流过电源开关的电流得到的电流感测信号将输入电压转换为负载的输出电压， 负载效率改善装置监视负载和为控制器提供的电源电压，以便在负载低于第一阈值并且电源电压低于第二阈值时选择性地钳位输出电压相关信号，从而增加 电源电压。
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公开(公告)号：US20090116160A1
公开(公告)日：2009-05-07
申请号：US12318721
申请日：2009-01-07
Applicant: Cheng-Hsuan Fan , Chao-Hsuan Chuang , Hung-Che Chou , Ching-Hsiang Yang , Chih-Ping Tan
Inventor： Cheng-Hsuan Fan , Chao-Hsuan Chuang , Hung-Che Chou , Ching-Hsiang Yang , Chih-Ping Tan
IPC: H02H3/24
Abstract: For protecting a power system, two or three of over current, thermal and under voltage protection circuits are integrated as one protection circuit but operate independently, and one or more protection points thereof are adjusted dynamically in response to detected condition of the power system. Specifically, using voltage and current conditions in the power system to modify the over current protection and the thermal protection maximizes the performance of the power system and covers the process bias in the circuits.
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26.发明申请Load-Dependent Frequency Jittering Circuit and Load-Dependent Frequency Jittering Method 有权负载相关的频率抖动电路和负载相关的频率抖动方法
公开(公告)号：US20090115391A1
公开(公告)日：2009-05-07
申请号：US11935558
申请日：2007-11-06
Applicant: Chao-Hsuan Chuang , Cheng-Hsuan Fan , Hung-Che Chou , Ching-Hsiang Yang
Inventor： Chao-Hsuan Chuang , Cheng-Hsuan Fan , Hung-Che Chou , Ching-Hsiang Yang
CPC classification number: H03K3/72
Abstract: The present invention discloses a load-dependent frequency jittering circuit, comprising: a load condition detection circuit for receiving a switching signal and generating an output according to a load condition; a number generator for receiving the output of the load condition detection circuit and generating a number; a digital to analog converter for converting the output of the number generator to an analog signal; and an oscillator for generating a jittered frequency according to the output of the digital to analog converter.
Abstract translation: 本发明公开了一种负载相关的频率抖动电路，包括：负载状态检测电路，用于接收开关信号并根据负载条件产生输出; 数字发生器，用于接收负载状态检测电路的输出并产生一个数字; 用于将数字发生器的输出转换为模拟信号的数模转换器; 以及用于根据数模转换器的输出产生抖动频率的振荡器。
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公开(公告)号：US07489182B2
公开(公告)日：2009-02-10
申请号：US11749872
申请日：2007-05-17
Applicant: Hung-Che Chou , Chao-Hsuan Chuang , Cheng-Hsuan Fan , Liang-Pin Tai
Inventor： Hung-Che Chou , Chao-Hsuan Chuang , Cheng-Hsuan Fan , Liang-Pin Tai
IPC: G05F1/10
CPC classification number: G11C5/145
Abstract: The present invention discloses a charge pump start up circuit comprising: a start up transistor having one end which is electrically connected with a voltage supply source, and another end which is electrically connected to a voltage node; and a charge pump circuit having an input which is electrically connected with the voltage node, and an output which is electrically with the gate of the start up transistor.
Abstract translation: 本发明公开了一种电荷泵起动电路，包括：起动晶体管，其一端与电压源电连接，另一端电连接到电压节点; 以及具有与电压节点电连接的输入的电荷泵电路，以及与启动晶体管的栅极电连接的输出。
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公开(公告)号：US20080284503A1
公开(公告)日：2008-11-20
申请号：US11749872
申请日：2007-05-17
Applicant: Hung-Che Chou , Chao-Hsuan Chuang , Cheng-Hsuan Fan , Liang-Pin Tai
Inventor： Hung-Che Chou , Chao-Hsuan Chuang , Cheng-Hsuan Fan , Liang-Pin Tai
IPC: G11C5/14
CPC classification number: G11C5/145
Abstract: The present invention discloses a charge pump start up circuit comprising: a start up transistor having one end which is electrically connected with a voltage supply source, and another end which is electrically connected to a voltage node; and a charge pump circuit having an input which is electrically connected with the voltage node, and an output which is electrically with the gate of the start up transistor.
Abstract translation: 本发明公开了一种电荷泵起动电路，包括：起动晶体管，其一端与电压源电连接，另一端电连接到电压节点; 以及具有与电压节点电连接的输入的电荷泵电路，以及与启动晶体管的栅极电连接的输出。
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公开(公告)号：US20080224782A1
公开(公告)日：2008-09-18
申请号：US11821498
申请日：2007-06-25
Applicant: Cheng-Hsuan Fan , Chao-Hsuan Chuang , Hung-Che Chou , Ching-Hsiang Yang , Chih-Ping Tan
Inventor： Cheng-Hsuan Fan , Chao-Hsuan Chuang , Hung-Che Chou , Ching-Hsiang Yang , Chih-Ping Tan
IPC: H03L7/099
Abstract: A frequency jittering control circuit wherein by means of the characteristics of a PLL whose input switches between different frequencies, the output frequency of the PLL swings between the different frequencies to achieve the desired frequency jittering.
Abstract translation: 一种频率抖动控制电路，其中通过PLL的特性，其输入在不同频率之间切换，PLL的输出频率在不同频率之间摆动，以实现期望的频率抖动。
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30.发明申请
公开(公告)号：US20070075690A1
公开(公告)日：2007-04-05
申请号：US11526624
申请日：2006-09-26
Applicant: Chao-Hsuan Chuang , Cheng-Hsuan Fan , Hung-Che Chou , Ching-Hsiang Yang , Chih-Ping Tan
Inventor： Chao-Hsuan Chuang , Cheng-Hsuan Fan , Hung-Che Chou , Ching-Hsiang Yang , Chih-Ping Tan
IPC: G05F1/00
CPC classification number: G05F1/56 , Y10T307/702
Abstract: Time-sharing technique is used for power conversion to improve the thermal dissipation thereof. In a power supply arrangement to provide a supply voltage to a load, a plurality of linear regulators are so switched that each time only one of them is enabled to convert an input voltage to the supply voltage, thereby each of them suffering less thermal dissipation.
Abstract translation: 分时技术用于电力转换，以改善其散热。 在向负载提供电源电压的电源装置中，多个线性稳压器被切换，每次只有其中一个能够将输入电压转换成电源电压，从而每个线性稳压器的热耗散较少。
