Low current start up including power switch

    公开(公告)号:US09755634B2

    公开(公告)日:2017-09-05

    申请号:US13906622

    申请日:2013-05-31

    Inventor: Horst Knoedgen

    CPC classification number: H03K17/163 H02M1/36

    Abstract: The present document relates to a start-up circuit comprising a power switch wherein a circuit charges a supply voltage capacitor. The capacitor provides a supply voltage to a power switch; the power switch forms a switched power converter with a power converter network. The circuit comprises a source and gate interface for coupling the circuit to the power switch; a capacitor interface couples the circuit to the supply voltage capacitor; a start-up path couples the gate interface to the capacitor interface; wherein the startup path provides a voltage at the gate interface which is at or above a threshold voltage of the power switch; and a charging path couples the source interface to the capacitor interface; wherein the charging path provides a charging current to the capacitor interface, when the power switch is in on-state.

    Highly Accurate Current Measurement
    2.
    发明申请

    公开(公告)号:US20170122987A1

    公开(公告)日:2017-05-04

    申请号:US15407285

    申请日:2017-01-17

    Abstract: The present document relates to the measurement of the current through a transistor. In particular, the present document relates to a circuit arrangement which allows an accurate measurement of the current through a power transistor. A circuit arrangement is described. The circuit arrangement is configured to provide an indication of a current flowing through a pass switch, when the pass switch is arranged in parallel to the circuit arrangement. The circuit arrangement comprises a matching unit which comprises a switch bank comprising a plurality of parallel reference switches; a resistor bank comprising a plurality of serial reference resistors; and a reference current source configured to provide a reference current flowing through the switch bank and the resistor bank. The resistor bank and the switch bank are arranged in series. The switch bank is adapted in accordance to a voltage dependent resistance of the pass switch, and the resistor bank is adapted in accordance to a voltage independent resistance of the pass switch.

    High speed regulator with low capacitor values
    3.
    发明授权
    High speed regulator with low capacitor values 有权
    具有低电容值的高速稳压器

    公开(公告)号:US09541933B2

    公开(公告)日:2017-01-10

    申请号:US14550923

    申请日:2014-11-22

    Abstract: The present document relates to voltage regulators. In particular, the present document relates to a method and a corresponding voltage regulator with improved performance subject to load transients. A regulator configured to provide a load current at an output voltage in dependence of an input voltage is described. The regulator comprises a core regulator configured to provide a core current at a core output voltage in dependence of the input voltage. Furthermore, the regulator comprises current sensing means configured to provide an indication of the core current. The output voltage is dependent on the core output voltage and on a voltage drop at the current sensing means. In addition, the regulator comprises a current source configured to provide an auxiliary current based on the indication of the core current. The load current is dependent on the core current and on the auxiliary current.

    Abstract translation: 本文件涉及电压调节器。 特别地,本文件涉及一种具有经受负载瞬变的改进性能的方法和相应的电压调节器。 描述了一种被配置成根据输入电压提供输出电压的负载电流的调节器。 调节器包括核心调节器,其被配置为根据输入电压提供核心电流的核心输出电压。 此外,调节器包括被配置为提供核心电流的指示的电流感测装置。 输出电压取决于核心输出电压和电流检测装置上的电压降。 此外,调节器包括被配置为基于核心电流的指示来提供辅助电流的电流源。 负载电流取决于磁芯电流和辅助电流。

    Magnetic coil / transformer modulation
    4.
    发明授权
    Magnetic coil / transformer modulation 有权
    磁线圈/变压器调制

    公开(公告)号:US09414468B2

    公开(公告)日:2016-08-09

    申请号:US14132393

    申请日:2013-12-18

    Abstract: A communication system with SSL light bulb assemblies comprises a first and a second transceiver. The first transceiver comprises a magnet, and the second transceiver comprises a switched-mode power converter which comprises an inductor element with an inductor core material having a magnetic field dependent permeability. The magnet and the inductor core material of the inductor element are magnetically coupled. The first transceiver is configured to modulate a magnetic field generated by the magnet to generate a modulated downstream magnetic field indicative of downstream data, and the second transceiver is configured to extract the downstream data from a measurement signal from the power converter. The measurement signal is dependent on an inductor value of the inductor element.

    Abstract translation: 具有SSL灯泡组件的通信系统包括第一和第二收发器。 第一收发器包括磁体,第二收发器包括开关模式功率转换器,其包括具有磁场依赖磁导率的​​电感芯体材料的电感器元件。 电感器元件的磁体和电感芯体磁耦合。 第一收发器被配置为调制由磁体产生的磁场,以产生指示下游数据的调制的下行磁场,并且第二收发器被配置为从来自功率转换器的测量信号中提取下行数据。 测量信号取决于电感器元件的电感值。

    Converter One Pin Sensing
    5.
    发明申请
    Converter One Pin Sensing 审中-公开
    转换器一个引脚传感

    公开(公告)号:US20160134196A1

    公开(公告)日:2016-05-12

    申请号:US14996531

    申请日:2016-01-15

    Inventor: Horst Knoedgen

    Abstract: Power converters, such as switched-mode power converters comprise a reduced number of sensing pins. A power converter is configured to convert electrical energy at an input voltage into electrical energy at an output voltage. The power converter comprises a power switch configured to be switched between on- and off-states; and a controller configured to generate a control signal for putting the power switch into the on-state and off-state, respectively; wherein the control signal is generated based on a first and second measurement signal from the power converter external to the controller. The controller comprises a sensing pin configured to sense the first measurement signal, when the power switch is in on-state, and configured to sense the second measurement signal, when the power switch is in off-state.

    Abstract translation: 诸如开关式功率转换器的功率转换器包括减少数量的感测引脚。 功率转换器被配置为将输入电压处的电能转换为输出电压的电能。 功率转换器包括被配置为在导通和截止状态之间切换的功率开关; 以及控制器,被配置为分别产生用于将所述电源开关置于导通状态和截止状态的控制信号; 其中所述控制信号是基于来自所述控制器外部的功率转换器的第一和第二测量信号产生的。 所述控制器包括感测引脚,其被配置为当所述电源开关处于导通状态时感测所述第一测量信号,并且被配置为在所述电源开关处于关闭状态时感测所述第二测量信号。

    Battery Balancing with Resonant Converter
    6.
    发明申请
    Battery Balancing with Resonant Converter 审中-公开
    电池平衡与谐振转换器

    公开(公告)号:US20160064964A1

    公开(公告)日:2016-03-03

    申请号:US14936066

    申请日:2015-11-09

    Inventor: Horst Knoedgen

    Abstract: A system and a method for charging of rechargeable batteries is presented. In particular, The charging of battery stacks comprising a plurality of battery cells or storage cells is presented. The system is configured to charge a first subset of storage cells from a storage comprising a serial arrangement of storage cells. The system comprises a driver circuit configured to generate an AC voltage comprising a frequency component at an AC frequency from an electric energy source at a DC voltage. Furthermore, the system comprises a first resonance circuit configured to amplify and/or attenuate the AC voltage as a function of the AC frequency, to yield a modified AC voltage. In addition, the system comprises a first rectifying unit configured to generate a modified DC voltage from the modified AC voltage, and configured to provide electric energy at the modified DC voltage to the first subset of storage cells.

    Abstract translation: 提出了充电电池充电的系统和方法。 特别地,提出了包括多个电池单元或存储单元的电池堆的充电。 该系统被配置为从包括存储单元的串行排列的存储器对第一存储单元子集进行充电。 该系统包括驱动器电路,其被配置为产生AC电压,该AC电压包括来自DC电压的来自电能源的A​​C频率的频率分量。 此外,该系统包括被配置为放大和/或衰减作为AC频率的函数的AC电压的第一谐振电路,以产生修改的AC电压。 此外,该系统包括第一整流单元,其被配置为从修改的AC电压产生修改的DC电压,并且被配置为将修改的DC电压的电能提供给存储单元的第一子集。

    On-chip voltage generation for a programmable memory device
    7.
    发明授权
    On-chip voltage generation for a programmable memory device 有权
    可编程存储器件的片内电压产生

    公开(公告)号:US09263097B2

    公开(公告)日:2016-02-16

    申请号:US14250413

    申请日:2014-04-11

    Inventor: Horst Knoedgen

    CPC classification number: G11C5/147 G11C17/00 G11C17/16 G11C17/18

    Abstract: The programming of programmable memory devices, e.g. one-time programmable (OTP) memory device is presented. In particular, efficient methods and systems for generating the supply voltage for programming a programmable memory device are described. A controller configured to control the programming of a data word into a programmable memory device is described. The controller is configured to set one or more digital control signals for programming the data word into the programmable memory device. Furthermore, the controller is configured to, subsequent to setting the one or more digital control signals, increasing a device supply voltage for the programmable memory device from a default operation level to a programming level.

    Abstract translation: 可编程存储器件的编程,例如 提出了一次性可编程(OTP)存储器件。 特别地,描述了用于产生用于编程可编程存储器件的电源电压的有效方法和系统。 描述了被配置为将数据字的编程控制到可编程存储器件中的控制器。 控制器被配置为设置用于将数据字编程到可编程存储器件中的一个或多个数字控制信号。 此外,控制器被配置为在设置一个或多个数字控制信号之后,将可编程存储器件的器件电源电压从默认操作电平增加到编程电平。

    Switching Control of a Bipolar Transistor for DCDC Power Converters
    8.
    发明申请
    Switching Control of a Bipolar Transistor for DCDC Power Converters 有权
    DCDC电源转换器的双极晶体管开关控制

    公开(公告)号:US20150229214A1

    公开(公告)日:2015-08-13

    申请号:US14550922

    申请日:2014-11-22

    Inventor: Horst Knoedgen

    Abstract: The present document relates to Direct Current (DC) to DC power converters. In particular, the present document relates to DC to DC power converters which comprise one or more bipolar transistors as power switches. A control circuit configured to control a power switch of a switched-mode power converter is described. The power switch comprises a bipolar transistor. The control circuit is configured to determine an indication of a time instant, at which the power switch is switched off; and to adjust a basis current for controlling the power switch based on the determined indication of the time instant.

    Abstract translation: 本文件涉及直流(DC)到直流电源转换器。 特别地,本文件涉及包括一个或多个双极晶体管作为功率开关的DC至DC功率转换器。 描述了配置成控制开关式功率转换器的电源开关的控制电路。 电源开关包括双极晶体管。 控制电路被配置为确定关闭电源开关的时刻的指示; 并且基于所确定的时刻的指示来调整用于控制功率开关的基准电流。

    Circuit and method for detecting the duration of the interruption of a mains input
    9.
    发明授权
    Circuit and method for detecting the duration of the interruption of a mains input 有权
    用于检测电源输入中断持续时间的电路和方法

    公开(公告)号:US08922139B2

    公开(公告)日:2014-12-30

    申请号:US14043965

    申请日:2013-10-02

    Inventor: Horst Knoedgen

    Abstract: A power supply or driver circuit configured to provide electrical energy at a drive voltage. The driver circuit converts electrical energy at an input voltage to the electrical energy at the drive voltage. A controller is configured to control the power converter to provide electrical energy at the drive voltage. The controller stops operation at an interruption of electrical energy to the driver circuit. The controller is configured to resume operation subsequent restoration of electrical energy to the driver circuit. The controller is configured to maintain the timing voltage above a first voltage level when the controller is in operation and to determine the duration of an interruption of electrical energy to the driver circuit.

    Abstract translation: 配置为在驱动电压下提供电能的电源或驱动器电路。 驱动电路将输入电压下的电能转换为驱动电压下的电能。 控制器被配置为控制功率转换器以在驱动电压下提供电能。 控制器在驱动电路的电能中断时停止工作。 控制器被配置为恢复对驱动器电路的电能的恢复。 控制器被配置为当控制器运行时将定时电压保持在第一电压电平以上,并且确定到驱动器电路的电能中断的持续时间。

    Driver Circuits for Solid State Light Bulb Assemblies
    10.
    发明申请
    Driver Circuits for Solid State Light Bulb Assemblies 有权
    固态灯泡组件的驱动电路

    公开(公告)号:US20140217918A1

    公开(公告)日:2014-08-07

    申请号:US14250416

    申请日:2014-04-11

    CPC classification number: H05B33/0815 H05B33/0848

    Abstract: A driver circuit of solid state light bulb assemblies including light emitting diodes comprises a first power converter stage converting an input voltage into an intermediate voltage; a second power converter stage converting the intermediate voltage into a drive voltage for the light source; and a controller. The controller comprises a first control unit generating a first control signal for the first power converter stage; a second control unit generating a second control signal for the second power converter stage; and a state control unit determining a target state of the light source; wherein the first and second control units are receiving information indicative of the target state; and wherein the first and second control units are generating the first and second control signals based on the information indicative of the target state.

    Abstract translation: 包括发光二极管的固态灯泡组件的驱动电路包括将输入电压转换为中间电压的第一功率转换器级; 第二功率转换器级将所述中间电压转换成用于所述光源的驱动电压; 和控制器。 所述控制器包括:第一控制单元,其产生用于所述第一功率转换器级的第一控制信号; 产生第二功率转换器级的第二控制信号的第二控制单元; 以及状态控制单元,确定所述光源的目标状态; 其中所述第一和第二控制单元正在接收指示所述目标状态的信息; 并且其中所述第一和第二控制单元基于指示所述目标状态的信息产生所述第一和第二控制信号。

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