专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

US20120313219A1 CHIP PACKAGE STRUCTURE AND METHOD OF MAKING THE SAME 有权
标题翻译：芯片包装结构及其制造方法
公开(公告)号：US20120313219A1
公开(公告)日：2012-12-13
申请号：US13588254
申请日：2012-08-17
申请人： Wei Chen , XiaoChun Tan
发明人： Wei Chen , XiaoChun Tan
IPC分类号： H01L23/495 , H05K13/04 , H01L21/56
CPC分类号： H01L24/06 , H01L23/4952 , H01L24/48 , H01L24/49 , H01L2224/05553 , H01L2224/05554 , H01L2224/48247 , H01L2224/48257 , H01L2224/49113 , H01L2224/4917 , H01L2224/49171 , H01L2224/49175 , H01L2224/85447 , H01L2924/00014 , H01L2924/01005 , H01L2924/01006 , H01L2924/01014 , H01L2924/01023 , H01L2924/01028 , H01L2924/01029 , H01L2924/01033 , H01L2924/01075 , H01L2924/01079 , H01L2924/01082 , H01L2924/014 , H01L2924/10161 , H01L2924/14 , H01L2924/19041 , H01L2924/30107 , Y10T29/5313 , H01L2224/45099 , H01L2224/05599 , H01L2924/00
摘要： Methods and structures related to packaging a chip are disclosed. In one embodiment, a chip package structure includes: (i) a chip having a plurality of first and second contact pads thereon; (ii) a lead frame having a plurality of pins for external connection to the package structure, where the chip is disposed on the lead frame; (iii) a plurality of first bonding wires for connecting the first contact pads to the lead frame; and (iv) a plurality of second bonding wires for connecting the second contact pads to the plurality of pins on the lead frame.
摘要翻译：公开了与封装芯片相关的方法和结构。在一个实施例中，芯片封装结构包括：（i）芯片，其上具有多个第一和第二接触焊盘; （ii）引线框架，其具有用于外部连接到所述封装结构的多个引脚，其中所述芯片设置在所述引线框架上; （iii）用于将第一接触焊盘连接到引线框架的多个第一接合线; 和（iv）用于将第二接触焊盘连接到引线框架上的多个引脚的多个第二接合线。

2. 发明申请

US20110316509A1 Start-up circuit and method thereof 有权
标题翻译：启动电路及其方法
公开(公告)号：US20110316509A1
公开(公告)日：2011-12-29
申请号：US13134143
申请日：2011-05-31
申请人： Wei Chen
发明人： Wei Chen
IPC分类号： G05F1/10
CPC分类号： G05F1/10 , H02M1/32 , H02M1/36 , H02M2001/0025 , H03K17/0822 , H03K17/166 , H03K17/223
摘要： Methods and circuits related to power regulator start-up are disclosed. In one embodiment, a start-up circuit can include: (i) a delay circuit having a resistor and a capacitor, where the capacitor is coupled between ground and a common node; and (ii) a control chip that receives a reference voltage, and includes an input pin coupled to an input source, an output pin supplying power for a device, and a multiplexed pin coupled to the resistor at the common node to receive an enable signal. The start-up circuit outputs an electrical signal at the output pin based on a comparison of a voltage at the multiplexed pin against the reference voltage, and after a delay time determined by the capacitor and the reference voltage. The voltage at the multiplexed pin can increase continuously with a rising slope determined by input current flowing through the multiplexed pin during a start-up process.
摘要翻译：公开了与功率调节器启动相关的方法和电路。在一个实施例中，启动电路可以包括：（i）具有电阻器和电容器的延迟电路，其中电容器耦合在地和公共节点之间; 以及（ii）控制芯片，其接收参考电压，并且包括耦合到输入源的输入引脚，为器件供电的输出引脚和耦合到公共节点处的电阻器的多路复用引脚以接收使能信号。启动电路基于多路复用引脚上的电压与参考电压的比较，以及由电容器和参考电压确定的延迟时间之后，在输出引脚输出电信号。在启动过程中，多路复用引脚上的电压可以随着流过复用引脚的输入电流确定的上升斜率而连续增加。

3. 发明申请

US20110254143A1 Chip package structure and method of making the same 有权
标题翻译：芯片封装结构及制作方法
公开(公告)号：US20110254143A1
公开(公告)日：2011-10-20
申请号：US12928986
申请日：2010-12-24
申请人： Wei Chen , XiaoChun Tan
发明人： Wei Chen , XiaoChun Tan
IPC分类号： H01L23/495 , H01L21/60
CPC分类号： H01L24/06 , H01L23/4952 , H01L24/48 , H01L24/49 , H01L2224/05553 , H01L2224/05554 , H01L2224/48247 , H01L2224/48257 , H01L2224/49113 , H01L2224/4917 , H01L2224/49171 , H01L2224/49175 , H01L2224/85447 , H01L2924/00014 , H01L2924/01005 , H01L2924/01006 , H01L2924/01014 , H01L2924/01023 , H01L2924/01028 , H01L2924/01029 , H01L2924/01033 , H01L2924/01075 , H01L2924/01079 , H01L2924/01082 , H01L2924/014 , H01L2924/10161 , H01L2924/14 , H01L2924/19041 , H01L2924/30107 , Y10T29/5313 , H01L2224/45099 , H01L2224/05599 , H01L2924/00
摘要： Methods and structures related to packaging a chip are disclosed. In one embodiment, a chip package structure includes: (i) a chip having a plurality of first and second contact pads thereon; (ii) a lead frame having a plurality of pins for external connection to the package structure, where the chip is disposed on the lead frame; (iii) a plurality of first bonding wires for connecting the first contact pads to the lead frame; and (iv) a plurality of second bonding wires for connecting the second contact pads to the plurality of pins on the lead frame.
摘要翻译：公开了与封装芯片相关的方法和结构。在一个实施例中，芯片封装结构包括：（i）芯片，其上具有多个第一和第二接触焊盘; （ii）引线框架，其具有用于外部连接到所述封装结构的多个引脚，其中所述芯片设置在所述引线框架上; （iii）用于将第一接触焊盘连接到引线框架的多个第一接合线; 和（iv）用于将第二接触焊盘连接到引线框架上的多个引脚的多个第二接合线。

4. 发明授权

US08294256B2 Chip package structure and method of making the same 有权
标题翻译：芯片封装结构及制作方法
公开(公告)号：US08294256B2
公开(公告)日：2012-10-23
申请号：US12928986
申请日：2010-12-24
申请人： Wei Chen , XiaoChun Tan
发明人： Wei Chen , XiaoChun Tan
IPC分类号： H01L23/52 , H01L23/48
CPC分类号： H01L24/06 , H01L23/4952 , H01L24/48 , H01L24/49 , H01L2224/05553 , H01L2224/05554 , H01L2224/48247 , H01L2224/48257 , H01L2224/49113 , H01L2224/4917 , H01L2224/49171 , H01L2224/49175 , H01L2224/85447 , H01L2924/00014 , H01L2924/01005 , H01L2924/01006 , H01L2924/01014 , H01L2924/01023 , H01L2924/01028 , H01L2924/01029 , H01L2924/01033 , H01L2924/01075 , H01L2924/01079 , H01L2924/01082 , H01L2924/014 , H01L2924/10161 , H01L2924/14 , H01L2924/19041 , H01L2924/30107 , Y10T29/5313 , H01L2224/45099 , H01L2224/05599 , H01L2924/00
摘要： Methods and structures related to packaging a chip are disclosed. In one embodiment, a chip package structure includes: (i) a chip having a plurality of first and second contact pads thereon; (ii) a lead frame having a plurality of pins for external connection to the package structure, where the chip is disposed on the lead frame; (iii) a plurality of first bonding wires for connecting the first contact pads to the lead frame; and (iv) a plurality of second bonding wires for connecting the second contact pads to the plurality of pins on the lead frame.
摘要翻译：公开了与封装芯片相关的方法和结构。在一个实施例中，芯片封装结构包括：（i）芯片，其上具有多个第一和第二接触焊盘; （ii）引线框架，其具有用于外部连接到所述封装结构的多个引脚，其中所述芯片设置在所述引线框架上; （iii）用于将第一接触焊盘连接到引线框架的多个第一接合线; 和（iv）用于将第二接触焊盘连接到引线框架上的多个引脚的多个第二接合线。

5. 发明申请

US20120256553A1 SCR DIMMING CIRCUIT AND METHOD 有权
标题翻译： SCR调试电路和方法
公开(公告)号：US20120256553A1
公开(公告)日：2012-10-11
申请号：US13411738
申请日：2012-03-05
申请人： Shenglun Chen , Wei Chen , Xiaoru Xu
发明人： Shenglun Chen , Wei Chen , Xiaoru Xu
IPC分类号： H05B37/02
CPC分类号： H05B33/0809 , H05B33/0845 , Y02B20/348
摘要： The present invention relates to an SCR dimming circuit and method for regulating the luminance of an LED load. In one embodiment, an SCR dimming circuit can include: an SCR element that generates a lack-phase AC voltage based on a sinusoidal AC supply; a rectifier bridge that generates a lack-phase DC voltage based on the lack-phase AC voltage; a conduction angle generator that receives the lack-phase DC voltage, and generates a controlling signal representative of a conduction angle of the SCR element; and a dimming signal generator that generates a dimming signal to regulate luminance of the LED load, where the dimming signal generator receives the controlling signal, an adjustable signal, and a clamping voltage, an amplitude of a dimming phase angle range is selected by a fixed signal determined by the clamping voltage, and the dimming phase angle range may be shifted by regulating the adjustable signal.
摘要翻译：本发明涉及一种用于调节LED负载亮度的SCR调光电路和方法。在一个实施例中，SCR调光电路可以包括：SCR元件，其基于正弦AC电源产生欠相AC电压; 整流桥，基于缺相交流电压产生欠相直流电压; 接收缺相相电压的导通角发生器，并产生表示SCR元件的导通角的控制信号; 以及调光信号发生器，其产生调光信号以调节LED负载的亮度，其中调光信号发生器接收控制信号，可调信号和钳位电压，通过固定的选择信号选择调光相位角范围的幅度通过钳位电压确定的信号和调光相位角范围可以通过调节可调信号而偏移。

6. 发明申请

US20120242237A1 SCR DIMMING CIRCUIT AND METHOD 有权
标题翻译： SCR调试电路和方法
公开(公告)号：US20120242237A1
公开(公告)日：2012-09-27
申请号：US13402025
申请日：2012-02-22
申请人： Shenglun Chen , Wei Chen , Xiaoru Xu
发明人： Shenglun Chen , Wei Chen , Xiaoru Xu
IPC分类号： H05B37/02
CPC分类号： H05B33/0815 , H05B33/0845 , Y02B20/348
摘要： The present invention relates to a silicon-controlled rectifier (SCR) dimming circuit and method for regulating the luminance of a light-emitting diode (LED) load. In one embodiment, an SCR dimming circuit can include: an SCR rectifying circuit having an SCR element that receives an AC power supply, and generates a lack-phase AC voltage; a rectifier bridge that converts the lack-phase AC voltage to a lack-phase DC voltage, where the lack-phase DC voltage is filtered through a filter capacitor to generate a smooth DC voltage; a conduction phase angle signal generator that receives the lack-phase DC voltage and generates a controlling signal indicating a conduction phase angle range of the SCR element; and a dimming signal generator that compares the controlling signal and a slope reference signal to output a dimming signal to control the luminance of the LED load.
摘要翻译：本发明涉及一种用于调节发光二极管（LED）负载的亮度的硅控整流器（SCR）调光电路和方法。在一个实施例中，SCR调光电路可以包括：SCR整流电路，其具有接收AC电源的SCR元件，并且产生欠相AC电压; 将缺相相交流电压转换为欠相直流电压的整流桥，其中缺相相电压通过滤波电容滤波以产生平滑的直流电压; 导通相位角信号发生器，其接收所述欠相位的直流电压，并产生表示所述SCR元件的导通相位角范围的控制信号; 以及调光信号发生器，其比较控制信号和斜率参考信号以输出调光信号以控制LED负载的亮度。

7. 发明授权

US08614551B2 SCR dimming circuit and method 有权
标题翻译： SCR调光电路及方法
公开(公告)号：US08614551B2
公开(公告)日：2013-12-24
申请号：US13402025
申请日：2012-02-22
申请人： Shenglun Chen , Wei Chen , Xiaoru Xu
发明人： Shenglun Chen , Wei Chen , Xiaoru Xu
IPC分类号： H05B37/02
CPC分类号： H05B33/0815 , H05B33/0845 , Y02B20/348
摘要： The present invention relates to a silicon-controlled rectifier (SCR) dimming circuit and method for regulating the luminance of a light-emitting diode (LED) load. In one embodiment, an SCR dimming circuit can include: an SCR rectifying circuit having an SCR element that receives an AC power supply, and generates a lack-phase AC voltage; a rectifier bridge that converts the lack-phase AC voltage to a lack-phase DC voltage, where the lack-phase DC voltage is filtered through a filter capacitor to generate a smooth DC voltage; a conduction phase angle signal generator that receives the lack-phase DC voltage and generates a controlling signal indicating a conduction phase angle range of the SCR element; and a dimming signal generator that compares the controlling signal and a slope reference signal to output a dimming signal to control the luminance of the LED load.
摘要翻译：本发明涉及一种用于调节发光二极管（LED）负载的亮度的硅控整流器（SCR）调光电路和方法。在一个实施例中，SCR调光电路可以包括：SCR整流电路，其具有接收AC电源的SCR元件，并且产生欠相AC电压; 将缺相相交流电压转换为欠相直流电压的整流桥，其中缺相相电压通过滤波电容滤波以产生平滑的直流电压; 导通相位角信号发生器，其接收所述欠相位的直流电压，并产生表示所述SCR元件的导通相位角范围的控制信号; 以及调光信号发生器，其比较控制信号和斜率参考信号以输出调光信号以控制LED负载的亮度。

8. 发明申请

US20120281448A1 POWER FACTOR CORRECTION CIRCUIT 有权
标题翻译：功率因数校正电路
公开(公告)号：US20120281448A1
公开(公告)日：2012-11-08
申请号：US13447998
申请日：2012-04-16
申请人： Xiaoru Xu
发明人： Xiaoru Xu
IPC分类号： H02M7/06 , G05F1/70
CPC分类号： H02M1/4225 , Y02B70/126 , Y02P80/112
摘要： The present invention relates to a power factor correction circuit, that can include: an inductor current detector that generates a sampling voltage signal, and sinusoidal half-wave current and voltage signals based on the sampling voltage signal; a mediate signal generator generating slope voltage and clock signals in response to the sinusoidal half-wave voltage signal, where a frequency of each varies with the sinusoidal half-wave voltage signal; a current modulation circuit receiving the sinusoidal half-wave current signal and a voltage feedback signal representative of a power stage output voltage to generate a regulation signal that is compared against the slope voltage signal to generate a modulation signal; and a logic/driving circuit receiving the modulation and clock signals, and generating a controlling signal that controls a power switch with variable frequency to maintain the inductor current in phase with the sinusoidal half-wave voltage signal and the power stage output voltage constant.
摘要翻译：功率因数校正电路技术领域本发明涉及功率因数校正电路，该电路可以包括：产生取样电压信号的电感电流检测器，以及基于采样电压信号的正弦半波电流和电压信号; 中频信号发生器响应于正弦半波电压信号产生斜率电压和时钟信号，其中每个频率随正弦半波电压信号而变化; 接收正弦半波电流信号的电流调制电路和表示功率级输出电压的电压反馈信号，以产生与斜率电压信号进行比较以产生调制信号的调节信号; 以及接收调制和时钟信号的逻辑/驱动电路，并且产生控制可变频率的功率开关的控制信号，以使电感器电流与正弦半波电压信号和功率级输出电压恒定相位。

9. 发明申请

US20130002159A1 CONTROLLING CIRCUIT FOR AN LED DRIVER AND CONTROLLING METHOD THEREOF 审中-公开
标题翻译：控制LED驱动器的电路及其控制方法
公开(公告)号：US20130002159A1
公开(公告)日：2013-01-03
申请号：US13344758
申请日：2012-01-06
申请人： Shenglun Chen , Wei Chen
发明人： Shenglun Chen , Wei Chen
IPC分类号： H05B37/02
CPC分类号： H05B33/0815 , H05B33/0848
摘要： The present invention relates to a high efficiency light-emitting diode (LED) driver that can include a controller, an LED apparatus, an LED current sensing circuit, and a power switch. The LED current sensing circuit may be used to generate a feedback signal indicative of LED current. The controller may be coupled to the LED current sensing circuit to receive the feedback signal and generate a driving signal. The power switch may be used to operate in periodic on and off conditions to drive the LED apparatus and maintain a driving current of the LED apparatus that is substantially constant.
摘要翻译：本发明涉及一种高效率发光二极管（LED）驱动器，其可以包括控制器，LED装置，LED电流检测电路和电源开关。 LED电流感测电路可用于产生指示LED电流的反馈信号。控制器可以耦合到LED电流感测电路以接收反馈信号并产生驱动信号。电源开关可以用于周期性的导通和关闭条件下操作以驱动LED装置并保持基本上恒定的LED装置的驱动电流。

10. 发明申请

US20120299561A1 QUASI-RESONANT CONTROLLING AND DRIVING CIRCUIT AND METHOD FOR A FLYBACK CONVERTER 有权
标题翻译：用于飞控转换器的谐振控制和驱动电路及方法
公开(公告)号：US20120299561A1
公开(公告)日：2012-11-29
申请号：US13470172
申请日：2012-05-11
申请人： Shenglun Chen , Jin Jin
发明人： Shenglun Chen , Jin Jin
IPC分类号： G05F1/46
CPC分类号： H02M3/33507 , H02M2001/0058 , Y02B70/1433 , Y02B70/1491
摘要： The present invention relates to a quasi-resonant controlling and driving circuit and method for a flyback converter. In one embodiment, a controlling and driving circuit for a flyback converter, can include: a differentiation circuit configured to receive a third controlling signal and a drain-source voltage of a main power switch of the flyback converter; where the drain-source voltage is configured to be differentiated by the differentiation circuit to generate a differential voltage when the third controlling signal is active within an interval that the main power switch is shut-off; a valley voltage detection circuit coupled to the differentiation circuit, and configured to receive the differential voltage; and where a valley controlling signal is configured to be generated by the valley voltage detection circuit to achieve quasi-resonant driving for the main power switch of the flyback converter when the differential voltage crosses zero with a positive slope.
摘要翻译：本发明涉及一种用于反激式转换器的准谐振控制和驱动电路及方法。在一个实施例中，用于反激式转换器的控制和驱动电路可以包括：微分电路，被配置为接收反激式转换器的主电源开关的第三控制信号和漏 - 源电压; 其中，所述漏极 - 源极电压被配置为由所述微分电路微分，以在所述第三控制信号在所述主电源开关被切断的间隔内有效时产生差分电压; 耦合到微分电路的谷值电压检测电路，并且被配置为接收差分电压; 并且其中谷值控制信号被配置为由谷值电压检测电路产生，以当差分电压以正斜率跨越零时，实现用于回扫转换器的主电源开关的准谐振驱动。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式