Electronic device for driving light emitting diodes
    1.
    发明授权
    Electronic device for driving light emitting diodes 有权
    用于驱动发光二极管的电子设备

    公开(公告)号:US09192006B2

    公开(公告)日:2015-11-17

    申请号:US14317486

    申请日:2014-06-27

    Applicant: NXP B.V.

    Abstract: The present invention relates to an electronic device for driving a light emitting diode, which includes a switch (Ts) being adapted to switch a switch-mode power converter, and controlling means (CNTL) being adapted for controlling the switch (Ts) in response to a sensing value (Vs) indicative of a current of the switch-mode power converter and for controlling by the switch (Ts) the output voltage of the switched power converter and a current (Iout) through the light emitting diode.

    Abstract translation: 本发明涉及一种用于驱动发光二极管的电子设备,其包括适于切换开关模式功率转换器的开关(Ts),以及适于响应于控制开关(Ts)的控制装置(CNTL) 到表示开关模式功率转换器的电流的感测值(Vs),并且用于通过开关(Ts)控制切换的功率转换器的输出电压和通过发光二极管的电流(Iout)。

    ELECTRONIC DEVICE FOR DRIVING LIGHT EMITTING DIODES
    2.
    发明申请
    ELECTRONIC DEVICE FOR DRIVING LIGHT EMITTING DIODES 有权
    用于驱动发光二极管的电子设备

    公开(公告)号:US20150015155A1

    公开(公告)日:2015-01-15

    申请号:US14317486

    申请日:2014-06-27

    Applicant: NXP B.V.

    Abstract: The present invention relates to an electronic device for driving a light emitting diode, which includes a switch (Ts) being adapted to switch a switch-mode power converter, and controlling means (CNTL) being adapted for controlling the switch (Ts) in response to a sensing value (Vs) indicative of a current of the switch-mode power converter and for controlling by the switch (Ts) the output voltage of the switched power converter and a current (Tout) through the light emitting diode.

    Abstract translation: 本发明涉及一种用于驱动发光二极管的电子设备,其包括适于切换开关模式功率转换器的开关(Ts),以及适于响应于控制开关(Ts)的控制装置(CNTL) 到表示开关模式功率转换器的电流的感测值(Vs),并且用于通过开关(Ts)控制开关功率转换器的输出电压和通过发光二极管的电流(Tout)。

    Noise detection circuit
    3.
    发明授权

    公开(公告)号:US09835666B2

    公开(公告)日:2017-12-05

    申请号:US14809008

    申请日:2015-07-24

    Applicant: NXP B.V.

    CPC classification number: G01R29/26 G01R31/42

    Abstract: A noise detection circuit 100 for a power supply, the noise detection circuit 100 comprising: an impedance element 110 connected to a line 104 for carrying a power supply current having a noise signal component, the noise signal comprising a common mode noise signal and a differential mode noise signal; a filter element 112 coupled to the impedance element 110 and configured to suppress the differential mode noise signal in the noise detection circuit 110; and an evaluation circuit 140 coupled to the impedance element 110 or the filter element 112 and arranged to sense the common mode noise signal and provide an output representative of the common mode noise signal.

    NOISE DETECTION CIRCUIT
    4.
    发明申请
    NOISE DETECTION CIRCUIT 有权
    噪声检测电路

    公开(公告)号:US20160061871A1

    公开(公告)日:2016-03-03

    申请号:US14809008

    申请日:2015-07-24

    Applicant: NXP B.V.

    CPC classification number: G01R29/26 G01R31/42

    Abstract: A noise detection circuit 100 for a power supply, the noise detection circuit 100 comprising: an impedance element 110 connected to a line 104 for carrying a power supply current having a noise signal component, the noise signal comprising a common mode noise signal and a differential mode noise signal; a filter element 112 coupled to the impedance element 110 and configured to suppress the differential mode noise signal in the noise detection circuit 110; and an evaluation circuit 140 coupled to the impedance element 110 or the filter element 112 and arranged to sense the common mode noise signal and provide an output representative of the common mode noise signal.

    Abstract translation: 一种用于电源的噪声检测电路100,噪声检测电路100包括:阻抗元件110,连接到线路104,用于承载具有噪声信号分量的电源电流,噪声信号包括共模噪声信号和差分 模式噪声信号; 耦合到阻抗元件110并被配置为抑制噪声检测电路110中的差模噪声信号的滤波器元件112; 以及耦合到阻抗元件110或滤波器元件112并被设置为感测共模噪声信号并提供表示共模噪声信号的输出的评估电路140。

    Cascoded semiconductor devices
    5.
    发明授权
    Cascoded semiconductor devices 有权
    Cascoded半导体器件

    公开(公告)号:US09190826B2

    公开(公告)日:2015-11-17

    申请号:US14084441

    申请日:2013-11-19

    Applicant: NXP B.V.

    Inventor: Frans Pansier

    CPC classification number: H02H1/0007 H03K17/0822 H03K17/102 H03K17/567

    Abstract: The invention provides a cascode transistor circuit with a main power transistor and a cascode MOSFET formed as an integrated circuit, packaged to form the cascode transistor circuit. A control and protection circuit is integrated into the integrated circuit together and a storage capacitor provides an energy source to drive the control and protection circuit. A charging circuit is also integrated into the integrated circuit for charging the storage capacitor.

    Abstract translation: 本发明提供了一种共源共栅晶体管电路,其具有形成为集成电路的主功率晶体管和共源共栅MOSFET,被封装形成共源共栅晶体管电路。 控制和保护电路一起集成到集成电路中,并且存储电容器提供能量来驱动控制和保护电路。 充电电路也集成在集成电路中,用于对存储电容器充电。

    Voltage Generator
    6.
    发明申请
    Voltage Generator 有权
    电压发生器

    公开(公告)号:US20140320096A1

    公开(公告)日:2014-10-30

    申请号:US14252877

    申请日:2014-04-15

    Applicant: NXP B.V.

    Inventor: Frans Pansier

    Abstract: The disclosure relates to a voltage generator for providing an output voltage in accordance with a received target signal, the voltage generator comprising: a resonant converter configured to receive an input voltage, the resonant converter comprising: a first switch; a second switch connected in series with the first switch between the input voltage and ground (GND); a resonant tank associated with the second switch; an output capacitor coupled to the resonant tank and configured to provide an output voltage; and a rectifier configured to allow charge to flow in a single direction between the resonant tank and the output capacitor; and a controller configured to receive the target signal and to set an operating parameter of the resonant converter in accordance with a difference between an output value which is related to the output voltage and the target signal.

    Abstract translation: 本公开涉及一种用于根据接收到的目标信号提供输出电压的电压发生器,所述电压发生器包括:谐振转换器,被配置为接收输入电压,所述谐振变换器包括:第一开关; 与输入电压和地(GND)之间的第一开关串联连接的第二开关; 与所述第二开关相关联的谐振槽; 输出电容器,其耦合到所述谐振储能器并且被配置为提供输出电压; 以及整流器,被配置为允许电荷在谐振槽和输出电容器之间沿单个方向流动; 以及控制器,被配置为根据与输出电压相关的输出值和目标信号之间的差异来接收目标信号并设置谐振变换器的工作参数。

    Protection circuit for a cascode switch, and a method of protecting a cascode switch
    7.
    发明授权
    Protection circuit for a cascode switch, and a method of protecting a cascode switch 有权
    用于共源共享开关的保护电路,以及保护共源共享开关的方法

    公开(公告)号:US08670220B2

    公开(公告)日:2014-03-11

    申请号:US13870255

    申请日:2013-04-25

    Applicant: NXP B.V.

    Inventor: Frans Pansier

    CPC classification number: H02H3/24 H03K17/0828 H03K17/567 H03K2017/6875

    Abstract: A circuit arrangement is disclosed comprising: a normally-on transistor (such as a HEMT) having first and second transistor main terminals and a non-insulated control terminal, the non-insulated control terminal being electrically coupled to a ground; a normally-off switch having first and second switch main terminals and a switch control terminal, the normally-off switch being arranged in a cascode configuration with the normally-on transistor, the first switch main terminal being electrically coupled to the second transistor main terminal, the switch control terminal being electrically coupled to the second switch main terminal and to the ground; and a control circuit configured to switch on the normally-off switch in response to the voltage at the first switch main terminal being negative relative to the ground.A method of controlling such a circuit is also disclosed.

    Abstract translation: 公开了一种电路装置,包括:具有第一和第二晶体管主端子和非绝缘控制端子的常开晶体管(例如HEMT),非绝缘控制端子电耦合到地; 具有第一和第二开关主端子和开关控制端子的常开开关,常开开关以常开晶体管的共源共栅配置布置,第一开关主端子电耦合到第二晶体管主端子 所述开关控制端子电耦合到所述第二开关主端子和所述地; 以及控制电路,被配置为响应于所述第一开关主端子处的电压相对于地而为负,来接通所述常开开关。 还公开了一种控制这种电路的方法。

    Noise sensor
    9.
    发明授权
    Noise sensor 有权
    噪音传感器

    公开(公告)号:US09506969B2

    公开(公告)日:2016-11-29

    申请号:US14591685

    申请日:2015-01-07

    Applicant: NXP B.V.

    Abstract: A common mode noise sensor with a single amplification path is disclosed. The common mode noise sensor includes first and second terminals for receiving respective first and second signals from a power supply, an amplifier stage connected to the first and second terminals and having an output and a resistor network connected to the amplifier stage. The resistor network is arranged such that the output of the amplifier stage is configured to provide an output signal in which a differential mode noise in the first and second signals is suppressed in preference to a common mode noise in the first and second signals.

    Abstract translation: 公开了具有单个放大路径的共模噪声传感器。 共模噪声传感器包括用于从电源接收相应的第一和第二信号的第一和第二端子,连接到第一和第二端子并具有连接到放大器级的输出和电阻网络的放大器级。 电阻网络被布置成使得放大器级的输出被配置为提供输出信号,其中优先于第一和第二信号中的共模噪声来抑制第一和第二信号中的差模噪声。

    Voltage generator
    10.
    发明授权
    Voltage generator 有权
    电压发生器

    公开(公告)号:US09467048B2

    公开(公告)日:2016-10-11

    申请号:US14252877

    申请日:2014-04-15

    Applicant: NXP B.V.

    Inventor: Frans Pansier

    Abstract: The disclosure relates to a voltage generator for providing an output voltage in accordance with a received target signal, the voltage generator comprising: a resonant converter configured to receive an input voltage, the resonant converter comprising: a first switch; a second switch connected in series with the first switch between the input voltage and ground (GND); a resonant tank associated with the second switch; an output capacitor coupled to the resonant tank and configured to provide an output voltage; and a rectifier configured to allow charge to flow in a single direction between the resonant tank and the output capacitor; and a controller configured to receive the target signal and to set an operating parameter of the resonant converter in accordance with a difference between an output value which is related to the output voltage and the target signal.

    Abstract translation: 本公开涉及一种用于根据接收到的目标信号提供输出电压的电压发生器,所述电压发生器包括:谐振转换器,被配置为接收输入电压,所述谐振变换器包括:第一开关; 与输入电压和地(GND)之间的第一开关串联连接的第二开关; 与所述第二开关相关联的谐振槽; 输出电容器,其耦合到所述谐振储能器并且被配置为提供输出电压; 以及整流器,被配置为允许电荷在谐振槽和输出电容器之间沿单个方向流动; 以及控制器,被配置为根据与输出电压相关的输出值和目标信号之间的差异来接收目标信号并设置谐振变换器的工作参数。

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