Startup circuit and input capacitor balancing circuit
    1.
    发明授权
    Startup circuit and input capacitor balancing circuit 有权
    启动电路和输入电容平衡电路

    公开(公告)号:US08971069B2

    公开(公告)日:2015-03-03

    申请号:US13347616

    申请日:2012-01-10

    IPC分类号: H02M1/36 H02J7/00

    CPC分类号: H02M1/36 H02J7/0014

    摘要: In one embodiment, an input capacitor balancing circuit for a power supply is provided. The circuit includes an input capacitance operable to filter input power for the power supply. The input capacitance has a first capacitor and a second capacitor coupled in series between an input voltage and a first node. A voltage divider circuit is coupled to the input voltage and operable to generate a divided voltage therefrom. A buffer circuit is operable to receive the divided voltage and, if the first capacitor and the second capacitor are not balanced, to provide current to the input capacitance to balance the first capacitor and the second capacitor.

    摘要翻译: 在一个实施例中,提供了一种用于电源的输入电容器平衡电路。 电路包括可用于滤波电源的输入功率的输入电容。 输入电容具有在输入电压和第一节点之间串联耦合的第一电容器和第二电容器。 分压器电路耦合到输入电压并且可操作以从其产生分压。 缓冲电路可操作以接收分压,并且如果第一电容器和第二电容器不平衡,则向输入电容器提供电流以平衡第一电容器和第二电容器。

    SHUNT REGULATOR
    2.
    发明申请
    SHUNT REGULATOR 审中-公开
    分流调节器

    公开(公告)号:US20130187619A1

    公开(公告)日:2013-07-25

    申请号:US13544157

    申请日:2012-07-09

    IPC分类号: G05F1/613

    CPC分类号: G05F1/613 H02M3/156

    摘要: This document discusses, among other things, a circuit including a diode and a transistor. In certain examples, an integrated circuit can include the diode and the transistor. In some examples, an apparatus can include the diode having a first temperature coefficient, a bias resistor configured to bias the diode, and a bipolar junction transistor having a second temperature coefficient the bipolar junction transistor having a base coupled to the diode and the bias resistor, wherein the first temperature coefficient and the second temperature coefficient are configured to reduce at least a portion of a temperature drift effect of the diode and the bipolar transistor.

    摘要翻译: 本文件尤其讨论了包括二极管和晶体管的电路。 在某些示例中,集成电路可以包括二极管和晶体管。 在一些示例中,装置可以包括具有第一温度系数的二极管,被配置为偏置二极管的偏置电阻器和具有第二温度系数的双极结型晶体管,所述双极结型晶体管具有耦合到二极管的基极和偏置电阻器 ,其中第一温度系数和第二温度系数被配置为减少二极管和双极晶体管的温度漂移效应的至少一部分。

    High side driver circuitry
    3.
    发明授权
    High side driver circuitry 有权
    高端驱动电路

    公开(公告)号:US09013903B2

    公开(公告)日:2015-04-21

    申请号:US13368139

    申请日:2012-02-07

    IPC分类号: H02M7/00 H03K17/0412 H02M1/08

    摘要: One embodiment of the present disclosure provides a method for controlling a power switch that includes converting a control signal to a current pulse signal, where the control signal is referenced to a first reference potential. The method also includes generating a switch drive voltage signal based on the current pulse signal, where the switch drive signal is referenced to a second reference potential. The method also includes controlling the conduction state of a power switch using the switch drive voltage.

    摘要翻译: 本公开的一个实施例提供了一种用于控制功率开关的方法,其包括将控制信号转换为电流脉冲信号,其中控制信号参考第一参考电位。 该方法还包括基于当前脉冲信号产生开关驱动电压信号,其中开关驱动信号参考第二参考电位。 该方法还包括使用开关驱动电压来控制电源开关的导通状态。

    High voltage startup circuit
    4.
    发明授权
    High voltage startup circuit 有权
    高压启动电路

    公开(公告)号:US08638575B2

    公开(公告)日:2014-01-28

    申请号:US13207798

    申请日:2011-08-11

    IPC分类号: H02M1/00

    CPC分类号: H02M1/36

    摘要: In one embodiment, a startup circuit for a power supply is provided. The startup circuit comprises a resistance coupled between a voltage source and a first node. A first capacitor, coupled to the first node, is operable to be charged by current flowing through the resistance. A first transistor has an emitter, a base, and collector, wherein the collector is coupled to the voltage source and the base is coupled to the first node. A diac circuit, coupled to the emitter of the first transistor, is operable to fire to turn on the first transistor, thereby allowing discharge of the first capacitor through the base-emitter junction of the first transistor. A second capacitor is operable to be charged by current related to a discharge voltage resulting from the firing of the diac circuit. The second capacitor operable to store charge to provide VCC voltage to a controller of the power supply.

    摘要翻译: 在一个实施例中,提供了用于电源的启动电路。 启动电路包括耦合在电压源和第一节点之间的电阻。 耦合到第一节点的第一电容器可操作以由流过电阻的电流充电。 第一晶体管具有发射极,基极和集电极,其中集电极耦合到电压源,并且基极耦合到第一节点。 耦合到第一晶体管的发射极的diac电路可操作以触发第一晶体管,从而允许第一电容器通过第一晶体管的基极 - 发射极点放电。 第二电容器可操作以通过与由diac电路的点火产生的放电电压相关的电流来充电。 第二电容器可操作地存储电荷以向电源的控制器提供VCC电压。

    PROPORTIONAL BIAS SWITCH DRIVER CIRCUIT WITH CURRENT TRANSFORMER
    5.
    发明申请
    PROPORTIONAL BIAS SWITCH DRIVER CIRCUIT WITH CURRENT TRANSFORMER 有权
    具有电流互感器的比例偏置开关驱动电路

    公开(公告)号:US20130162303A1

    公开(公告)日:2013-06-27

    申请号:US13336136

    申请日:2011-12-23

    IPC分类号: H03K3/00

    摘要: A switch bias system is provided that includes a bipolar junction transistor (BJT) switch comprising a base, emitter, and collector; an energy storage circuit coupled to the collector of the BJT, the energy storage circuit supplying current flow to the collector of the BJT; a current transformer circuit coupled to the emitter, the current transformer circuit configured to sense current flow through the emitter of the BJT switch; and a proportional bias circuit configured to generate a bias current to the base of the BJT switch, the bias current set to a proportion of the sensed current flow through the emitter of the BJT switch.

    摘要翻译: 提供了一种开关偏置系统,其包括包括基极,发射极和集电极的双极结型晶体管(BJT)开关; 耦合到BJT的集电极的能量存储电路,所述能量存储电路向BJT的集电极提供电流; 耦合到所述发射极的电流互感器电路,所述电流互感器电路被配置为感测通过所述BJT开关的发射极的电流; 以及比例偏置电路,其被配置为产生到BJT开关的基极的偏置电流,偏置电流被设置为通过BJT开关的发射极的感测电流的一部分。

    Startup Circuit and Input Capacitor Balancing Circuit
    6.
    发明申请
    Startup Circuit and Input Capacitor Balancing Circuit 有权
    启动电路和输入电容平衡电路

    公开(公告)号:US20120176821A1

    公开(公告)日:2012-07-12

    申请号:US13347616

    申请日:2012-01-10

    IPC分类号: H02M3/335

    CPC分类号: H02M1/36 H02J7/0014

    摘要: In one embodiment, an input capacitor balancing circuit for a power supply is provided. The circuit includes an input capacitance operable to filter input power for the power supply. The input capacitance has a first capacitor and a second capacitor coupled in series between an input voltage and a first node. A voltage divider circuit is coupled to the input voltage and operable to generate a divided voltage therefrom. A buffer circuit is operable to receive the divided voltage and, if the first capacitor and the second capacitor are not balanced, to provide current to the input capacitance to balance the first capacitor and the second capacitor.

    摘要翻译: 在一个实施例中,提供了一种用于电源的输入电容器平衡电路。 电路包括可用于滤波电源的输入功率的输入电容。 输入电容具有在输入电压和第一节点之间串联耦合的第一电容器和第二电容器。 分压器电路耦合到输入电压并且可操作以从其产生分压。 缓冲电路可操作以接收分压,并且如果第一电容器和第二电容器不平衡,则向输入电容器提供电流以平衡第一电容器和第二电容器。

    High-voltage packaged device
    7.
    发明授权
    High-voltage packaged device 有权
    高压封装器件

    公开(公告)号:US08946881B2

    公开(公告)日:2015-02-03

    申请号:US12944192

    申请日:2010-11-11

    摘要: Packaged devices and methods for making and using the same are described. The packaged devices contain one or more circuit components, such as a die, that is attached to a leadframe having a first lead, a second lead, and a third lead (although, higher lead counts may be employed in some implementations). A portion of the circuit component and the leadframe are encapsulated in a molded housing so that the first lead is exposed from a first end of the housing while the second and third leads are exposed from a second end of the housing. In some configurations, the packaged device does not contain a fourth lead that is both electrically connected to the first lead and that is exposed from the second end of the molded housing. In other configurations, an area extending from the second lead to the third lead in the molded housing comprises an insulating material having a substantially uniform conductivity. Thus, the packaged devices have relatively large creepage and clearance distances between the first lead and the second and third leads. As a result, the packaged devices are able to operate at relatively high operating voltages without experiencing voltage breakdown. Other embodiments are described.

    摘要翻译: 描述了用于制造和使用它们的封装装置和方法。 封装的装置包含一个或多个电路部件,例如管芯,其连接到具有第一引线,第二引线和第三引线的引线框架(尽管在一些实施中可以采用更高的引脚数)。 电路部件和引线框架的一部分被封装在模制外壳中,使得第一引线从外壳的第一端露出,而第二和第三引线从外壳的第二端露出。 在一些配置中,封装装置不包含第二引线,该第四引线电连接到第一引线并且从模制外壳的第二端露出。 在其它构造中,在模制壳体中从第二引线延伸到第三引线的区域包括具有基本均匀导电性的绝缘材料。 因此,封装的器件在第一引线和第二引线和第三引线之间具有相对较大的爬电距离和间隙距离。 因此,封装的器件能够在相对较高的工作电压下工作,而不会经历电压击穿。 描述其他实施例。

    HIGH SIDE DRIVER CIRCUITRY
    8.
    发明申请
    HIGH SIDE DRIVER CIRCUITRY 有权
    高侧驱动电路

    公开(公告)号:US20130200867A1

    公开(公告)日:2013-08-08

    申请号:US13368139

    申请日:2012-02-07

    IPC分类号: G05F1/46 H02M11/00

    摘要: One embodiment of the present disclosure provides a method for controlling a power switch that includes converting a control signal to a current pulse signal, where the control signal is referenced to a first reference potential. The method also includes generating a switch drive voltage signal based on the current pulse signal, where the switch drive signal is referenced to a second reference potential. The method also includes controlling the conduction state of a power switch using the switch drive voltage.

    摘要翻译: 本公开的一个实施例提供了一种用于控制功率开关的方法,其包括将控制信号转换为电流脉冲信号,其中控制信号参考第一参考电位。 该方法还包括基于当前脉冲信号产生开关驱动电压信号,其中开关驱动信号参考第二参考电位。 该方法还包括使用开关驱动电压来控制电源开关的导通状态。

    Method for accuracy improvement allowing chip-by-chip measurement correction
    9.
    发明授权
    Method for accuracy improvement allowing chip-by-chip measurement correction 有权
    精度提高的方法允许逐个芯片测量校正

    公开(公告)号:US07757147B2

    公开(公告)日:2010-07-13

    申请号:US11399547

    申请日:2006-04-06

    IPC分类号: H03M13/00 G06F11/30 G08C25/00

    CPC分类号: G01R31/3004

    摘要: A method for allowing measurement corrections on a chip-by-chip basis. Error correction values are generated responsive to the input value to a circuit of the calibrated integrated circuit chip and to a measured value from the circuit of the calibrated integrated circuit chip. The error correction values are stored within an error correction table within a nonvolatile memory of the integrated circuit chip.

    摘要翻译: 一种用于在逐个芯片上进行测量校正的方法。 响应于校准的集成电路芯片的电路的输入值和来自校准的集成电路芯片的电路的测量值产生误差校正值。 误差校正值存储在集成电路芯片的非易失性存储器内的纠错表内。

    High efficiency, thermally stable regulators and adjustable zener diodes
    10.
    发明授权
    High efficiency, thermally stable regulators and adjustable zener diodes 有权
    高效率,稳定稳定的稳压器和可调齐纳二极管

    公开(公告)号:US08981736B2

    公开(公告)日:2015-03-17

    申请号:US13285127

    申请日:2011-10-31

    IPC分类号: G05F1/46

    CPC分类号: G05F3/18

    摘要: This document discusses, among other things, apparatus for high-efficiency, thermally-compensated regulators. In an example, a regulator can include a zener diode having a first temperature coefficient, the zener diode configured couple to an output and to provide at least a portion of a reference voltage, a transistor having a second temperature coefficient, the transistor configured to receive the reference voltage, to receive a representation of the output, and to provide feedback information indicative of an error of the output using the representation of the output voltage and the reference voltage, and wherein the first temperature coefficient and the second temperature coefficient are configured to reduce at least a portion of a temperature drift effect of the zener diode and the transistor.

    摘要翻译: 本文件还讨论了高效,热补偿调节器的设备。 在一个示例中,调节器可以包括具有第一温度系数的齐纳二极管,配置的齐纳二极管耦合到输出并提供至少一部分参考电压,具有第二温度系数的晶体管,晶体管被配置为接收 所述参考电压接收所述输出的表示,并且使用所述输出电压和所述参考电压的表示来提供指示所述输出的误差的反馈信息,并且其中所述第一温度系数和所述第二温度系数被配置为 降低齐纳二极管和晶体管的温度漂移效应的至少一部分。