公开(公告)号：US09196574B2

公开(公告)日：2015-11-24

申请号：US13612846

申请日：2012-09-13

Applicant: Kuo-Fan Lin

Inventor： Kuo-Fan Lin

IPC: H02H9/00 ,  H01L23/495 ,  H01L21/56 ,  H01L23/62 ,  H01L25/16 ,  H01L23/498 ,  H01L23/00 ,  H01L23/31

CPC classification number: H01L23/4952 ,  H01L21/56 ,  H01L23/3107 ,  H01L23/49562 ,  H01L23/498 ,  H01L23/62 ,  H01L24/06 ,  H01L24/13 ,  H01L24/14 ,  H01L24/16 ,  H01L24/29 ,  H01L24/32 ,  H01L24/45 ,  H01L24/48 ,  H01L24/49 ,  H01L24/73 ,  H01L25/16 ,  H01L2224/0401 ,  H01L2224/0603 ,  H01L2224/13111 ,  H01L2224/1403 ,  H01L2224/14051 ,  H01L2224/16106 ,  H01L2224/16245 ,  H01L2224/29339 ,  H01L2224/32013 ,  H01L2224/32245 ,  H01L2224/45144 ,  H01L2224/48091 ,  H01L2224/4813 ,  H01L2224/48247 ,  H01L2224/49107 ,  H01L2224/49113 ,  H01L2224/73265 ,  H01L2924/12035 ,  H01L2924/1301 ,  H01L2924/1305 ,  H01L2924/13055 ,  H01L2924/1306 ,  H01L2924/13091 ,  H01L2924/181 ,  H01L2924/3011 ,  H01L2924/00014 ,  H01L2924/00012 ,  H01L2924/00

Abstract: A snubber circuit includes: a capacitor including a first terminal and a second terminal, where the first terminal of the capacitor is electrically connected to a first terminal of the snubber circuit; and a Bipolar Junction Transistor (BJT), where one of the emitter and the collector of the BJT is electrically connected to the second terminal of the capacitor, and the other one of the emitter and the collector of the BJT is electrically connected to a second terminal of the snubber circuit. The snubber circuit can be electrically connected in parallel to an active component or a load to protect the circuitry connected to the load, and more particularly to absorb spike or noise generated during high-frequency switching of the active component to recycle energy, in order to achieve the goal of reducing spike voltages and enhancing efficiency.

Abstract translation: 缓冲电路包括：包括第一端子和第二端子的电容器，其中电容器的第一端子电连接到缓冲电路的第一端子; 和双极结晶体管（BJT），其中BJT的发射极和集电极之一电连接到电容器的第二端子，并且BJT的发射极和集电极中的另一个电连接到第二 缓冲电路的端子。 缓冲电路可以与有源部件或负载并联电连接以保护连接到负载的电路，并且更具体地，吸收在有源部件的高频切换期间产生的尖峰或噪声到再循环能量，以便 实现降低尖峰电压并提高效率的目标。

公开(公告)号：US20110156481A1

公开(公告)日：2011-06-30

申请号：US12648831

申请日：2009-12-29

Applicant: Kuo-Fan LIN ,  Hua-Ming Lu

Inventor： Kuo-Fan LIN ,  Hua-Ming Lu

IPC: H02M3/335

CPC classification number: H02M3/33561 ,  Y10T307/406

Abstract: A post regulation control circuit aims to monitor ancillary output power generated from a power supply. The power supply includes at least one primary output circuit to provide a primary output power. A post regulation circuit obtains the primary output power and regulate to an ancillary output power. The monitor circuit sets an abnormal level and obtains a detection power from the post regulation circuit to compare with the abnormal level. Determining whether to output a driving pulse wave according to the detection power is over the abnormal level or not, or stop outputting the driving pulse wave.

Abstract translation: 后期调节控制电路旨在监测从电源产生的辅助输出功率。 电源包括至少一个主输出电路以提供初级输出功率。 后调节电路获得主输出功率并调节到辅助输出功率。 监视电路设置异常电平，并从后置调整电路获取检测电力，以与异常电平进行比较。 根据检测功率确定是否输出驱动脉搏波是否超过异常水平，否则停止输出驱动脉冲波。

公开(公告)号：US08564993B2

公开(公告)日：2013-10-22

申请号：US13198710

申请日：2011-08-04

Applicant: Kuo-Fan Lin

Inventor： Kuo-Fan Lin

IPC: H02M5/42 ,  H02M7/217

CPC classification number: H02M1/4208 ,  Y02B70/126 ,  Y02P80/112

Abstract: A switch control circuit for controlling a first switch element and a second switch element within a bridgeless switching circuit is provided. The bridgeless switching circuit generates an output signal according to an alternating current signal. The switch control circuit includes a current generating element and a phase generating element. The current generating element is for sensing a first current flowing through the first switch element and a second current flowing through the second switch element, and generating a phase comparison result according to the first and the second currents. The phase generating element generates a first control signal and a second control signal according to a power factor correction signal and the phase comparison result to control conducting status of the first and the second switch elements, respectively.

Abstract translation: 提供了一种用于控制无桥开关电路内的第一开关元件和第二开关元件的开关控制电路。 无桥开关电路根据交流信号产生输出信号。 开关控制电路包括电流产生元件和相位产生元件。 电流产生元件用于感测流过第一开关元件的第一电流和流过第二开关元件的第二电流，并且根据第一和第二电流产生相位比较结果。 相位产生元件根据功率因数校正信号和相位比较结果产生第一控制信号和第二控制信号，以分别控制第一和第二开关元件的导通状态。

公开(公告)号：US20130063852A1

公开(公告)日：2013-03-14

申请号：US13610884

申请日：2012-09-12

Applicant: Kuo-Fan Lin

Inventor： Kuo-Fan Lin

IPC: H02H3/20

CPC classification number: H01L23/4952 ,  H01L21/56 ,  H01L23/3107 ,  H01L23/49562 ,  H01L23/498 ,  H01L23/62 ,  H01L24/06 ,  H01L24/13 ,  H01L24/14 ,  H01L24/16 ,  H01L24/29 ,  H01L24/32 ,  H01L24/45 ,  H01L24/48 ,  H01L24/49 ,  H01L24/73 ,  H01L25/16 ,  H01L2224/0401 ,  H01L2224/0603 ,  H01L2224/13111 ,  H01L2224/1403 ,  H01L2224/14051 ,  H01L2224/16106 ,  H01L2224/16245 ,  H01L2224/29339 ,  H01L2224/32013 ,  H01L2224/32245 ,  H01L2224/45144 ,  H01L2224/48091 ,  H01L2224/4813 ,  H01L2224/48247 ,  H01L2224/49107 ,  H01L2224/49113 ,  H01L2224/73265 ,  H01L2924/12035 ,  H01L2924/1301 ,  H01L2924/1305 ,  H01L2924/13055 ,  H01L2924/1306 ,  H01L2924/13091 ,  H01L2924/181 ,  H01L2924/3011 ,  H01L2924/00014 ,  H01L2924/00012 ,  H01L2924/00

Abstract: A snubber circuit includes: at least one impedance component, a capacitor, and a Bipolar Junction Transistor (BJT). The snubber circuit is utilized for protecting electric/electronic components, reducing high frequency interference and spike voltage, and enhancing efficiency. In particular, the at least one impedance component in the snubber circuit can be at least one zener diode, where regarding protecting electric/electronic components, reducing high frequency interference and spike voltage, and enhancing efficiency, the performance of the snubber circuit in a situation where the zener diode is utilized is better than that of the snubber circuit in a situation where other types of impedance components are utilized. An associated method of using a BJT in a snubber circuit is also provided.

Abstract translation: 缓冲电路包括：至少一个阻抗分量，电容器和双极结晶体管（BJT）。 缓冲电路用于保护电气/电子部件，降低高频干扰和尖峰电压，提高效率。 特别地，缓冲电路中的至少一个阻抗分量可以是至少一个齐纳二极管，其中关于保护电子/电子部件，降低高频干扰和尖峰电压，并提高效率，在一种情况下缓冲电路的性能 在使用其它类型的阻抗分量的情况下，使用齐纳二极管的电压优于缓冲电路。 还提供了在缓冲电路中使用BJT的相关方法。

公开(公告)号：US20130062785A1

公开(公告)日：2013-03-14

申请号：US13612867

申请日：2012-09-13

Applicant: Kuo-Fan Lin ,  Chi-Shang Lin

Inventor： Kuo-Fan Lin ,  Chi-Shang Lin

IPC: H01L23/498 ,  H01L21/56

CPC classification number: H01L23/4952 ,  H01L21/56 ,  H01L23/3107 ,  H01L23/49562 ,  H01L23/498 ,  H01L23/62 ,  H01L24/06 ,  H01L24/13 ,  H01L24/14 ,  H01L24/16 ,  H01L24/29 ,  H01L24/32 ,  H01L24/45 ,  H01L24/48 ,  H01L24/49 ,  H01L24/73 ,  H01L25/16 ,  H01L2224/0401 ,  H01L2224/0603 ,  H01L2224/13111 ,  H01L2224/1403 ,  H01L2224/14051 ,  H01L2224/16106 ,  H01L2224/16245 ,  H01L2224/29339 ,  H01L2224/32013 ,  H01L2224/32245 ,  H01L2224/45144 ,  H01L2224/48091 ,  H01L2224/4813 ,  H01L2224/48247 ,  H01L2224/49107 ,  H01L2224/49113 ,  H01L2224/73265 ,  H01L2924/12035 ,  H01L2924/1301 ,  H01L2924/1305 ,  H01L2924/13055 ,  H01L2924/1306 ,  H01L2924/13091 ,  H01L2924/181 ,  H01L2924/3011 ,  H01L2924/00014 ,  H01L2924/00012 ,  H01L2924/00

Abstract: A transistor structure includes a chip package and two pins, wherein the chip package includes a transistor die and a molding compound encapsulating the transistor die. One of the pins is electrically connected to a first bonding pad and a second bonding pad of the transistor die, and another of the pins is electrically connected to a third bonding pad of the transistor die. The transistor structure may be employed in a snubber circuit to connect an active component or a load in parallel to absorb spikes or noise generated by the active component while the active component is switching at a high frequency. Therefore, the packaging of the transistor structure could simplify the process, reduce size, increase the withstanding voltage, and improve the efficiency and reduce the spike voltage of the power supply of the snubber circuit.

Abstract translation: 晶体管结构包括芯片封装和两个引脚，其中芯片封装包括晶体管管芯和封装晶体管管芯的模制化合物。 一个引脚电连接到晶体管管芯的第一焊盘和第二接合焊盘，另一个引脚电连接到晶体管管芯的第三焊盘。 晶体管结构可以用在缓冲电路中以平行地连接有源部件或负载，以吸收由有源部件在高频率切换时由有源部件产生的尖峰或噪声。 因此，晶体管结构的封装可以简化工艺，减小尺寸，增加耐受电压，提高效率，降低缓冲电路电源的尖峰电压。

公开(公告)号：US20130039101A1

公开(公告)日：2013-02-14

申请号：US13571358

申请日：2012-08-10

Applicant: Hua-Ming Lu ,  Kuo-Fan Lin

Inventor： Hua-Ming Lu ,  Kuo-Fan Lin

IPC: H02M1/36

CPC classification number: H02H9/001

Abstract: A switching power supply apparatus including an AC-to-DC conversion circuit, a hysteretic relay and a relay control circuit is provided. The AC-to-DC conversion circuit includes a current limit resistor, and the current limit resistor is configured to suppress an inrush current generated during the AC-to-DC conversion circuit converts an AC input voltage into a DC output voltage. The hysteretic relay is coupled with the current limit resistor in parallel. The relay control circuit is coupled to the AC-to-DC conversion circuit and the hysteretic relay, and configured to control the hysteretic relay to turn on in response to one of an over drive pulse signal and a holding modulation signal when the DC output voltage reaches to a predetermined value, so as to bypass the current limit resistor, wherein an enabling time of the over drive pulse signal is different from that of the holding modulation signal.

Abstract translation: 提供一种包括AC-DC转换电路，迟滞继电器和继电器控制电路的开关电源装置。 AC-DC转换电路包括限流电阻，并且限流电阻被配置为抑制在AC-DC转换期间产生的浪涌电流将AC输入电压转换成DC输出电压。 迟滞继电器并联电流限制电阻。 继电器控制电路耦合到AC-DC转换电路和迟滞继电器，并且被配置为当直流输出电压（DC）时，响应于过驱动脉冲信号和保持调制信号之一来控制滞后继电器导通 达到预定值，以便绕过限流电阻，其中过驱动脉冲信号的使能时间与保持调制信号的使能时间不同。

公开(公告)号：US07908310B2

公开(公告)日：2011-03-15

申请号：US11714764

申请日：2007-03-07

Applicant: Kuo-Fan Lin

Inventor： Kuo-Fan Lin

IPC: G06F7/16 ,  G05F5/00

CPC classification number: G06G7/16

Abstract: A multiplier-divider capable of offsetting errors includes a plurality of multiplication and division units to perform processes and arrangements so that errors generated by signals passing through the multiplier-divider are offset. As a result impact of the errors is reduced. More than one processing signal can be obtained from the same power supply to reduce loss of external sampling.

Abstract translation: 能够抵消误差的乘法器分配器包括多个乘法和除法单元，以执行处理和布置，使得通过乘法器分频器的信号产生的误差被偏移。 结果，误差的影响降低。 可以从相同的电源获得多于一个的处理信号，以减少外部采样的损耗。

公开(公告)号：US07499294B2

公开(公告)日：2009-03-03

申请号：US11705135

申请日：2007-02-12

Applicant: Kuo-Fan Lin ,  Chien-Li Tsai

Inventor： Kuo-Fan Lin ,  Chien-Li Tsai

IPC: H02M3/335

CPC classification number: H02M3/33592 ,  Y02B70/1475

Abstract: The present invention discloses a self-excitation synchronous rectification driver, which comprises a self-excitation coil, a self-excitation driver, a synchronous-signal source, a pulse transformer, a positive/negative edge detector, and a latch unit. The synchronous-signal source generates a synchronous signal to attain an external synchronous function. When the frequency is abnormal, the first and second rectifier switches of the rectification unit of the power supply are forced to turn on or turn off. Thereby, the first and second rectifier switches can turn on alternately, and the first and second rectifier switches are limited to within the highest and lowest working frequencies during the zero-load stage or the shutdown stage. Thus, the frequency of the synchronous rectification driver is under control, and abnormal voltage will not occur.

Abstract translation: 本发明公开了一种自激同步整流驱动器，其包括自励线圈，自激驱动器，同步信号源，脉冲变压器，正/负边沿检测器和锁存单元。 同步信号源产生同步信号以获得外部同步功能。 当频率异常时，电源整流单元的第一和第二整流开关被迫导通或关断。 由此，第一和第二整流开关交替地导通，并且第一和第二整流开关在零负载阶段或关断阶段被限制在最高和最低工作频率内。 因此，同步整流驱动器的频率受到控制，不会发生异常电压。

公开(公告)号：US20080304195A1

公开(公告)日：2008-12-11

申请号：US11806935

申请日：2007-06-05

Applicant: Kuo-Fan Lin

Inventor： Kuo-Fan Lin

IPC: H02H3/00

CPC classification number: H02M1/32 ,  H02M1/4225 ,  H02M2001/0032 ,  H02M2001/007 ,  Y02B70/126 ,  Y02B70/16

Abstract: A power abnormal protection circuit includes a power detection unit, a voltage drop correction unit, a drop out detection unit, a delay unit and a delay masking unit. By detecting an input power average value of a power supply occurring of a brown out condition can be determined. The power supply includes a power factor correction unit which has an output capacitor. By detecting the voltage of the output capacitor a drop out condition can be determined. When a power abnormal condition occurs all units of the power supply can be set off sequentially according to a delay time to protect circuit elements and a connecting computer.

Abstract translation: 功率异常保护电路包括功率检测单元，电压降校正单元，脱出检测单元，延迟单元和延迟掩蔽单元。 通过检测发生褐色条件的电源的输入功率平均值可以被确定。 电源包括具有输出电容器的功率因数校正单元。 通过检测输出电容器的电压，可以确定掉电条件。 当发生电源异常情况时，可以根据延迟时间顺序地关闭电源的所有单元，以保护电路元件和连接的计算机。

公开(公告)号：US20080170419A1

公开(公告)日：2008-07-17

申请号：US11653286

申请日：2007-01-16

Applicant: Kuo-Fan Lin

Inventor： Kuo-Fan Lin

IPC: H02M3/335 ,  H02M1/00

CPC classification number: H02M3/33592 ,  Y02B70/1475

Abstract: The present invention discloses an active peak voltage-limiting clamp circuit, which comprises a primary switch unit and a secondary switch unit that are used to control the coil current of a transformer, wherein a signal acquisition unit, a zero-point decision unit, a feedback unit and a pulse control unit are used to control the turn-on periods of the primary switch unit and the secondary switch unit; thus, the turn-on period of the primary switch unit is separated from the turn-on period of the secondary switch unit, and a buffer interval for the transient voltage variation is formed therebetween.

Abstract translation: 本发明公开了一种有源峰值限压钳位电路，其包括用于控制变压器的线圈电流的初级开关单元和次级开关单元，其中信号采集单元，零点判定单元， 反馈单元和脉冲控制单元用于控制主开关单元和次开关单元的接通时间; 因此，一次开关单元的导通周期与二次开关单元的导通周期分离，并且在它们之间形成用于瞬态电压变化的缓冲区间。