公开(公告)号：US20100308917A1

公开(公告)日：2010-12-09

申请号：US12790025

申请日：2010-05-28

申请人： Guo-Kiang Hung ,  Tso Min Chen

发明人： Guo-Kiang Hung ,  Tso Min Chen

IPC分类号： H03G3/00

CPC分类号： H03G3/348

摘要： A de-pop controller and method thereof are provided. The controller includes an amplifier and a comparator. The amplifier receives and amplifies an audio input signal, and then outputs an audio output signal. The comparator, coupled to the amplifier, receives a transient indication signal. The comparator compares the transient indication signal with a reference voltage, and the comparison result is then applied to control the driving ability of the amplifier for de-popping.

摘要翻译： 提供了一种去流行控制器及其方法。 控制器包括放大器和比较器。 放大器接收并放大音频输入信号，然后输出音频输出信号。 耦合到放大器的比较器接收瞬态指示信号。 比较器将瞬态指示信号与参考电压进行比较，然后应用比较结果来控制放大器的启动能力。

公开(公告)号：US07847533B2

公开(公告)日：2010-12-07

申请号：US12550397

申请日：2009-08-30

申请人： Ta-Yung Yang ,  Chien-Yuan Lin ,  Tso-Min Chen

发明人： Ta-Yung Yang ,  Chien-Yuan Lin ,  Tso-Min Chen

IPC分类号： G05F1/40

CPC分类号： H02M1/32 ,  H02M3/33507

摘要： A switching circuit for a power converter includes an oscillation circuit, a first circuit, and a first comparator. The oscillation circuit generates a switching signal for regulating an output of the power converter. The first circuit generates a threshold signal. The first comparator is coupled to receive a signal representative of a current through a power switch. Besides, the first comparator generates a control signal in response to the signal and the threshold signal. A frequency of the switching signal is increased in response to the enabling of the control signal.

摘要翻译： 用于功率转换器的开关电路包括振荡电路，第一电路和第一比较器。 振荡电路产生用于调节功率转换器的输出的开关信号。 第一电路产生阈值信号。 第一比较器被耦合以接收表示通过电源开关的电流的信号。 此外，第一比较器响应于信号和阈值信号产生控制信号。 响应于控制信号的使能，开关信号的频率增加。

公开(公告)号：US20100117987A1

公开(公告)日：2010-05-13

申请号：US12690678

申请日：2010-01-20

申请人： Tsung-Fu Lin ,  Tso Min Chen ,  Yi Cheng Hsieh ,  Guo-Kiang Hung

发明人： Tsung-Fu Lin ,  Tso Min Chen ,  Yi Cheng Hsieh ,  Guo-Kiang Hung

IPC分类号： G06F3/045

CPC分类号： G09G3/3406 ,  G09G2320/0233 ,  G09G2320/064

摘要： A touch sensing method and associated circuit are provided. In one aspect, a touch control circuit includes a first current source, a second current source, a plurality of switches, a hysteresis comparator, a frequency divider and a flip-flop. The switches are couple to a plurality of external contact points. The hysteresis comparator is coupled to a first reference comparison voltage and a second reference comparison voltage. Each of the external contact points is selectively coupled to an input terminal of the hysteresis comparator through the switches. The first current source and the second current source are coupled to the input terminal of the hysteresis comparator to generate a sensing voltage. The hysteresis comparator compares the sensing voltage with the first reference comparison voltage and the second reference comparison voltage to generate a hysteresis comparison output to control the first current source or the second current source.

摘要翻译： 提供了触摸感测方法和相关电路。 一方面，触摸控制电路包括第一电流源，第二电流源，多个开关，滞后比较器，分频器和触发器。 开关耦合到多个外部接触点。 滞后比较器耦合到第一参考比较电压和第二参考比较电压。 每个外部接触点通过开关选择性地耦合到迟滞比较器的输入端。 第一电流源和第二电流源耦合到迟滞比较器的输入端以产生感测电压。 滞后比较器将感测电压与第一参考比较电压和第二参考比较电压进行比较，以产生滞后比较输出来控制第一电流源或第二电流源。

公开(公告)号：US08674968B2

公开(公告)日：2014-03-18

申请号：US12690678

申请日：2010-01-20

申请人： Tsung-Fu Lin ,  Tso Min Chen ,  Yi Cheng Hsieh ,  Guo-Kiang Hung

发明人： Tsung-Fu Lin ,  Tso Min Chen ,  Yi Cheng Hsieh ,  Guo-Kiang Hung

IPC分类号： G06F3/038 ,  G09G5/00 ,  G06F3/041 ,  G02B26/08

CPC分类号： G09G3/3406 ,  G09G2320/0233 ,  G09G2320/064

摘要： A touch sensing method and associated circuit are provided. In one aspect, a touch control circuit includes a first current source, a second current source, a plurality of switches, a hysteresis comparator, a frequency divider and a flip-flop. The switches are couple to a plurality of external contact points. The hysteresis comparator is coupled to a first reference comparison voltage and a second reference comparison voltage. Each of the external contact points is selectively coupled to an input terminal of the hysteresis comparator through the switches. The first current source and the second current source are coupled to the input terminal of the hysteresis comparator to generate a sensing voltage. The hysteresis comparator compares the sensing voltage with the first reference comparison voltage and the second reference comparison voltage to generate a hysteresis comparison output to control the first current source or the second current source.

摘要翻译： 提供了触摸感测方法和相关电路。 一方面，触摸控制电路包括第一电流源，第二电流源，多个开关，滞后比较器，分频器和触发器。 开关耦合到多个外部接触点。 滞后比较器耦合到第一参考比较电压和第二参考比较电压。 每个外部接触点通过开关选择性地耦合到迟滞比较器的输入端。 第一电流源和第二电流源耦合到迟滞比较器的输入端以产生感测电压。 滞后比较器将感测电压与第一参考比较电压和第二参考比较电压进行比较，以产生滞后比较输出来控制第一电流源或第二电流源。

公开(公告)号：US07701733B2

公开(公告)日：2010-04-20

申请号：US11763171

申请日：2007-06-14

申请人： Ta-yung Yang ,  Tso-Min Chen

发明人： Ta-yung Yang ,  Tso-Min Chen

IPC分类号： H02M3/335

CPC分类号： H02M1/08 ,  H03K17/28 ,  H03K17/74 ,  H03K17/80

摘要： A synchronous rectifying circuit is provided for power converter. A pulse signal generator is utilized to generate a pulse signal in response to the leading edge and the trailing edge of a switching signal. The switching signal is used for switching the transformer of the power converter. An isolation device such as pulse transformer or small capacitors is coupled to the pulse signal generator for transferring the pulse signal through an isolation barrier of a transformer. A synchronous rectifier includes a power switch and a control circuit. The power switch is equipped in between the secondary side of the transformer and the output of the power converter for the rectifying. The control circuit having a latch is operated to receive the pulse signal for turning on/off the power switch.

摘要翻译： 为功率转换器提供同步整流电路。 脉冲信号发生器用于响应于开关信号的前沿和后沿产生脉冲信号。 开关信号用于切换电源转换器的变压器。 诸如脉冲变压器或小电容器的隔离装置被耦合到脉冲信号发生器，用于通过变压器的隔离栅传递脉冲信号。 同步整流器包括电源开关和控制电路。 电源开关配置在变压器的次级侧和电源转换器的输出端之间进行整流。 具有闩锁的控制电路被操作以接收用于打开/关闭电源开关的脉冲信号。

公开(公告)号：US20070109820A1

公开(公告)日：2007-05-17

申请号：US11274125

申请日：2005-11-16

申请人： Ta-Yung Yang ,  Rui-Hong Lu ,  Chuh-Ching Li ,  Feng-Cheng Tsao ,  Tso-Min Chen

发明人： Ta-Yung Yang ,  Rui-Hong Lu ,  Chuh-Ching Li ,  Feng-Cheng Tsao ,  Tso-Min Chen

IPC分类号： H02M3/335

CPC分类号： H02M3/33507 ,  Y02B70/1433

摘要： The present invention provides a power converter having a phase lock circuit for quasi-resonant soft switching. The power converter includes a first circuit coupled to the feedback signal to generate a switching signal for switching a switching device and regulating the output of the power converter. A second circuit is coupled to an auxiliary winding of the transformer for generating a voltage signal in response to the voltage of the transformer. A phase lock circuit generates a control signal to enable the switching signal in accordance with the voltage signal. The switching signal further turns on the switching device in response to a valley voltage across the switching device.

摘要翻译： 本发明提供一种具有用于准谐振软开关的锁相电路的功率转换器。 功率转换器包括耦合到反馈信号的第一电路以产生用于切换开关装置并调节功率转换器的输出的开关信号。 第二电路耦合到变压器的辅助绕组，以响应于变压器的电压产生电压信号。 锁相电路根据电压信号产生控制信号以使能切换信号。 开关信号进一步响应于开关器件上的谷值电压而导通开关器件。

公开(公告)号：US08965006B2

公开(公告)日：2015-02-24

申请号：US12790025

申请日：2010-05-28

申请人： Guo-Kiang Hung ,  Tso Min Chen

发明人： Guo-Kiang Hung ,  Tso Min Chen

IPC分类号： H04B15/00 ,  H03G3/34

CPC分类号： H03G3/348

摘要： A de-pop controller and method thereof are provided. The controller includes an amplifier and a comparator. The amplifier receives and amplifies an audio input signal, and then outputs an audio output signal. The comparator, coupled to the amplifier, receives a transient indication signal. The comparator compares the transient indication signal with a reference voltage, and the comparison result is then applied to control the driving ability of the amplifier for de-popping.

摘要翻译： 提供了一种去流行控制器及其方法。 控制器包括放大器和比较器。 放大器接收并放大音频输入信号，然后输出音频输出信号。 耦合到放大器的比较器接收瞬态指示信号。 比较器将瞬态指示信号与参考电压进行比较，然后应用比较结果来控制放大器的启动能力。

公开(公告)号：US07570087B2

公开(公告)日：2009-08-04

申请号：US11723989

申请日：2007-03-23

申请人： Ta-Yung Yang ,  Tso-Min Chen

发明人： Ta-Yung Yang ,  Tso-Min Chen

IPC分类号： H03K3/00

CPC分类号： H02M1/38 ,  H02M2001/0048 ,  H03K17/163 ,  H03K17/284 ,  Y02B70/1491

摘要： A switching drive circuit for soft switching is disclosed. It includes an input circuit to receive an input signal. A first delay circuit generates a first delay time in response to the enable of the input signal. A second delay circuit generates a second delay time in response to the disable of the input signal. A switching signal generator generates switching signals. The pulse width of the high-side switching signal is generated in proportion to the pulse width of the input signal. The high-side switching signal enabled after the first delay time once the input signal is enabled. The low-side switching signal disabled in response to the enable of the input signal. The low-side switching signal is enabled after the second delay time once the high-side switching signal is disabled.

摘要翻译： 公开了一种用于软开关的开关驱动电路。 它包括一个接收输入信号的输入电路。 第一延迟电路响应于输入信号的使能而产生第一延迟时间。 第二延迟电路响应于输入信号的禁用而产生第二延迟时间。 开关信号发生器产生开关信号。 高侧开关信号的脉冲宽度与输入信号的脉冲宽度成比例地生成。 一旦输入信号使能，高侧开关信号在第一个延迟时间后使能。 低端开关信号响应于输入信号的使能而被禁止。 一旦高侧开关信号被禁止，低侧开关信号在第二延迟时间之后使能。

公开(公告)号：US20090040792A1

公开(公告)日：2009-02-12

申请号：US11835807

申请日：2007-08-08

申请人： Ta-yung Yang ,  Tso-Min Chen

发明人： Ta-yung Yang ,  Tso-Min Chen

IPC分类号： H02M3/335

CPC分类号： H02M3/33592 ,  H02M2001/0058 ,  Y02B70/1433 ,  Y02B70/1475 ,  Y02B70/1491

摘要： A synchronous rectifying circuit is provided for resonant power converter. An integrated synchronous rectifier comprises a rectifying terminal, a ground terminal a first input terminal and a second input terminal. The rectifying terminal is coupled to the secondary side of a power transformer. The ground terminal is coupled to the output of the power converter. A power transistor is connected between the rectifying terminal and the ground terminal. The first input terminal and the second input terminal are coupled to receive a pulse signal for turning on/off the power transistor. A pulse-signal generation circuit includes an input circuit coupled to receive the switching signal for switching the power transformer of the power converter.

摘要翻译： 为谐振功率转换器提供同步整流电路。 集成同步整流器包括整流端子，接地端子，第一输入端子和第二输入端子。 整流端子耦合到电力变压器的次级侧。 接地端子耦合到功率转换器的输出端。 功率晶体管连接在整流端子和接地端子之间。 第一输入端子和第二输入端子被耦合以接收用于接通/关断功率晶体管的脉冲信号。 脉冲信号发生电路包括耦合以接收切换信号的输入电路，用于切换功率转换器的电力变压器。

公开(公告)号：US20090027926A1

公开(公告)日：2009-01-29

申请号：US11782901

申请日：2007-07-25

申请人： Ta-yung Yang ,  Tso-Min Chen

发明人： Ta-yung Yang ,  Tso-Min Chen

IPC分类号： H02M3/335

CPC分类号： H02M3/33592 ,  Y02B70/1475

摘要： A synchronous rectifying circuit is provided for flyback power converter. A pulse generator is utilized to generate a pulse signal in response to a leading edge and a trailing edge of a switching signal. The switching signal is used for switching the transformer of the power converter. An isolation device such as pulse transformer or small capacitors is coupled to the pulse generator for transferring the pulse signal through an isolation barrier of a transformer. A synchronous rectifier includes a power switch and a control circuit. The power switch is connected in between the secondary side of the transformer and the output of the power converter for the rectifying operation. The control circuit having a latch is operated to receive the pulse signal for controlling the power switch.

摘要翻译： 为反激式功率转换器提供同步整流电路。 脉冲发生器用于响应于开关信号的前沿和后沿产生脉冲信号。 开关信号用于切换电源转换器的变压器。 诸如脉冲变压器或小电容器的隔离装置耦合到脉冲发生器，用于通过变压器的隔离栅传递脉冲信号。 同步整流器包括电源开关和控制电路。 电源开关连接在变压器的次级侧和用于整流操作的电源转换器的输出之间。 具有闩锁的控制电路被操作以接收用于控制电源开关的脉冲信号。