SINGLE-ENDED DC TO AC POWER INVERTER
    1.
    发明申请
    SINGLE-ENDED DC TO AC POWER INVERTER 失效
    单端直流到交流电源逆变器

    公开(公告)号:US20080174251A1

    公开(公告)日:2008-07-24

    申请号:US12036778

    申请日:2008-02-25

    IPC分类号: H05B37/02 H02M7/537

    CPC分类号: H05B41/2821 H05B41/2824

    摘要: An inverter comprising a low-side switching element in series with a first primary winding; a high-side switching element in series with a second primary winding, where the combination of the low-side switching element and first primary winding is connected in parallel with the combination of the high-side switching element and the second primary winding; and a clamping capacitor having one terminal connected to the first primary winding and having a second terminal connected to the second primary winding. Other embodiments are described and claimed.

    摘要翻译: 一种逆变器,包括与第一初级绕组串联的低侧开关元件; 高侧开关元件与第二初级绕组串联的高侧开关元件,其中低侧开关元件和第一初级绕组的组合与高侧开关元件和第二初级绕组的组合并联连接; 以及钳位电容器,其具有连接到所述第一初级绕组的一个端子,并且具有连接到所述第二初级绕组的第二端子。 描述和要求保护其他实施例。

    Single-ended DC to AC power inverter
    2.
    发明授权
    Single-ended DC to AC power inverter 失效
    单端直流至交流电源逆变器

    公开(公告)号:US07915833B2

    公开(公告)日:2011-03-29

    申请号:US12036778

    申请日:2008-02-25

    IPC分类号: H05B37/02

    CPC分类号: H05B41/2821 H05B41/2824

    摘要: An inverter comprising a low-side switching element in series with a first primary winding; a high-side switching element in series with a second primary winding, where the combination of the low-side switching element and first primary winding is connected in parallel with the combination of the high-side switching element and the second primary winding; and a clamping capacitor having one terminal connected to the first primary winding and having a second terminal connected to the second primary winding. Other embodiments are described and claimed.

    摘要翻译: 一种逆变器,包括与第一初级绕组串联的低侧开关元件; 高侧开关元件与第二初级绕组串联的高侧开关元件,其中低侧开关元件和第一初级绕组的组合与高侧开关元件和第二初级绕组的组合并联连接; 以及钳位电容器,其具有连接到所述第一初级绕组的一个端子,并且具有连接到所述第二初级绕组的第二端子。 描述和要求保护其他实施例。

    Power systems for driving light emitting diodes and associated methods of control
    3.
    发明授权
    Power systems for driving light emitting diodes and associated methods of control 有权
    用于驱动发光二极管的电力系统和相关联的控制方法

    公开(公告)号:US08907592B2

    公开(公告)日:2014-12-09

    申请号:US13048730

    申请日:2011-03-15

    IPC分类号: H05B37/02 H05B33/08

    摘要: Embodiments of LED driver circuits and the associated methods are disclosed herein. In one embodiment, the LED driver circuit comprises a switch-mode converter, a controller, a feedback circuit, and a gating circuit. The feedback circuit includes a current balance circuit. The gating circuit is responsive to both a current feedback signal and a voltage feedback signal and is configured to select one of them as the feedback signal.

    摘要翻译: LED驱动器电路和相关方法的实施例在此公开。 在一个实施例中,LED驱动器电路包括开关模式转换器,控制器,反馈电路和门控电路。 反馈电路包括电流平衡电路。 门控电路响应于电流反馈信号和电压反馈信号,并且被配置为选择它们中的一个作为反馈信号。

    Power converters and associated methods of control
    4.
    发明授权
    Power converters and associated methods of control 有权
    电源转换器和相关的控制方法

    公开(公告)号:US08164218B2

    公开(公告)日:2012-04-24

    申请号:US12505399

    申请日:2009-07-17

    IPC分类号: H02J1/10 G05F1/577

    摘要: SIMO power converters and associated methods of control are disclosed herein. In one embodiment, a method of converting a signal input signal into multiple output signals includes supplying power to a plurality of output terminals based on a signal input signal, detecting a voltage at individual output terminals, determining an arithmetic relationship between the detected voltages of the output terminals, and adjusting the power supplied to the plurality of output terminals based at least in part on the determined arithmetic relationship between the detected voltages of the output terminals.

    摘要翻译: 本文公开了SIMO功率转换器和相关联的控制方法。 在一个实施例中,将信号输入信号转换为多个输出信号的方法包括基于信号输入信号向多个输出端子供电,检测各个输出端子处的电压,确定检测到的电压的算术关系 输出端子,并且至少部分地基于所确定的输出端子的检测电压之间的算术关系来调整提供给多个输出端子的功率。

    DUAL ENDED DRIVER CIRCUIT FOR LCD BACKLIGHT AND THE METHOD THEREOF
    6.
    发明申请
    DUAL ENDED DRIVER CIRCUIT FOR LCD BACKLIGHT AND THE METHOD THEREOF 审中-公开
    用于LCD背光的双端驱动电路及其方法

    公开(公告)号:US20100302288A1

    公开(公告)日:2010-12-02

    申请号:US12787974

    申请日:2010-05-26

    IPC分类号: G09G5/10

    CPC分类号: H05B41/2825

    摘要: A dual ended driver circuit for a LCD backlight is disclosed. The circuit comprises a master board and a slave board, which provides a first output drive signal and a second output drive signal to either end of a lamp set, respectively. The circuit only uses one control chip to synchronize and make symmetrical the first output drive signal and the second output drive signal.

    摘要翻译: 公开了一种用于LCD背光的双端驱动电路。 该电路包括主板和从属板,其分别向灯组的任一端提供第一输出驱动信号和第二输出驱动信号。 该电路仅使用一个控制芯片来同步和对准第一个输出驱动信号和第二个输出驱动信号。

    Switching mode power supply with primary side control
    7.
    发明授权
    Switching mode power supply with primary side control 有权
    开关电源具有初级侧控制

    公开(公告)号:US08576588B2

    公开(公告)日:2013-11-05

    申请号:US13016592

    申请日:2011-01-28

    IPC分类号: H02M3/335

    CPC分类号: H05B33/0815

    摘要: The present technology are directed to switching mode power supplies with primary side control. In one embodiment, the switching mode power supply provides an equivalent current signal which represents a load current. The equivalent current signal is then used to control a switching circuit in the switching mode power supply.

    摘要翻译: 本技术涉及具有初级侧控制的开关电源。 在一个实施例中,开关模式电源提供表示负载电流的等效电流信号。 然后,等效电流信号用于控制开关电源中的开关电路。

    Methods and apparatus for driving discharge lamps
    8.
    发明授权
    Methods and apparatus for driving discharge lamps 失效
    用于驱动放电灯的方法和装置

    公开(公告)号:US08159141B2

    公开(公告)日:2012-04-17

    申请号:US12510089

    申请日:2009-07-27

    IPC分类号: H05B37/02 H05B39/04 H05B41/36

    CPC分类号: H05B41/2827 H05B41/3925

    摘要: Methods and apparatus for driving discharge lamps are disclosed herein. In one embodiment, a method for driving a discharge lamp includes generating a switching signal to drive a discharge lamp, monitoring a working status of the discharge lamp, and determining whether the discharge lamp is operating abnormally based at least in part on the monitored working status. The method also includes decreasing a duty cycle of the switching signal when the discharge lamp is determined to operate abnormally.

    摘要翻译: 本文公开了用于驱动放电灯的方法和装置。 在一个实施例中,用于驱动放电灯的方法包括产生切换信号以驱动放电灯,监视放电灯的工作状态,以及至少部分地基于所监视的工作状态来确定放电灯是否异常运行 。 该方法还包括当放电灯被确定为异常运行时,减小开关信号的占空比。

    METHODS AND APPARATUS FOR DRIVING DISCHARGE LAMPS
    9.
    发明申请
    METHODS AND APPARATUS FOR DRIVING DISCHARGE LAMPS 失效
    驱动放电灯的方法和装置

    公开(公告)号:US20100072906A1

    公开(公告)日:2010-03-25

    申请号:US12510089

    申请日:2009-07-27

    IPC分类号: H05B37/02

    CPC分类号: H05B41/2827 H05B41/3925

    摘要: Methods and apparatus for driving discharge lamps are disclosed herein. In one embodiment, a method for driving a discharge lamp includes generating a switching signal to drive a discharge lamp, monitoring a working status of the discharge lamp, and determining whether the discharge lamp is operating abnormally based at least in part on the monitored working status. The method also includes decreasing a duty cycle of the switching signal when the discharge lamp is determined to operate abnormally.

    摘要翻译: 本文公开了用于驱动放电灯的方法和装置。 在一个实施例中,用于驱动放电灯的方法包括产生切换信号以驱动放电灯,监视放电灯的工作状态,以及至少部分地基于所监视的工作状态来确定放电灯是否异常运行 。 该方法还包括当放电灯被确定为异常运行时,减小开关信号的占空比。

    Light emitting diode driver systems and associated methods of control
    10.
    发明授权
    Light emitting diode driver systems and associated methods of control 有权
    发光二极管驱动器系统及相关方法的控制

    公开(公告)号:US09035566B2

    公开(公告)日:2015-05-19

    申请号:US13048699

    申请日:2011-03-15

    IPC分类号: H05B37/02 H05B33/08

    CPC分类号: H05B33/0818 H05B33/0848

    摘要: Light emitting diode (LED) dimming and driver systems and associated methods of control are disclosed herein. In one embodiment, a system comprises a PFC stage and an LED driver stage. The LED driver stage comprises an isolated converter and a controller responsive to a dimming signal to dim LED strings for backlight. The controller also regulates an output current of the isolated converter.

    摘要翻译: 本文公开了发光二极管(LED)调光和驱动器系统及相关的控制方法。 在一个实施例中,系统包括PFC级和LED驱动级。 LED驱动器级包括隔离转换器和响应于调光信号的控制器以使用于背光的LED灯串变暗。 控制器还调节隔离转换器的输出电流。