LED driver controller
    1.
    发明授权
    LED driver controller 失效
    LED驱动控制器

    公开(公告)号:US08384304B2

    公开(公告)日:2013-02-26

    申请号:US12861549

    申请日:2010-08-23

    IPC分类号: H05B37/02

    CPC分类号: H05B33/0815 H05B33/0809

    摘要: A novel LED driver controller, including: an auto-gain control unit, having an input end coupled to an input voltage signal which is derived from a line voltage, and an output end for providing a normalized signal; a comparator, used to perform voltage comparison on the normalized signal and a current sensing signal to generate a turn-off signal, wherein the turn-off signal will change state from inactive to active when the current sensing signal reaches the normalized signal; and a driving circuit, having a set input end, a reset input end, and an output end, the set input end being coupled to a turn-on signal, the reset input end being coupled to the turn-off signal, the output end being used for providing a gating signal.

    摘要翻译: 一种新颖的LED驱动器控制器,包括:自动增益控制单元,具有耦合到从线电压导出的输入电压信号的输入端和用于提供归一化信号的输出端; 用于对归一化信号进行电压比较的比较器和用于产生关断信号的电流感测信号,其中当电流感测信号达到归一化信号时,关断信号将从非活动状态改变为有效; 以及具有设定输入端,复位输入端和输出端的驱动电路,所述输入端与接通信号耦合,所述复位输入端耦合到所述关断信号,所述输出端 用于提供门控信号。

    Power conversion controller having a novel power factor correction mechanism using line voltage normalization
    2.
    发明授权
    Power conversion controller having a novel power factor correction mechanism using line voltage normalization 失效
    电力转换控制器具有使用线电压归一化的新型功率因数校正机构

    公开(公告)号:US08541990B2

    公开(公告)日:2013-09-24

    申请号:US12953219

    申请日:2010-11-23

    IPC分类号: G05F1/70 G05F5/00

    摘要: A power conversion controller having a novel power factor correction mechanism, including: a normalization unit, used to generate a normalized signal according to a line voltage by multiplying the line voltage with a normalizing gain, wherein the normalizing gain is proportional to the reciprocal of the amplitude of the line voltage; a reference current generation unit, coupled to the normalization unit to generate a reference current signal by performing an arithmetic operation, wherein the arithmetic operation involves the normalized signal; and a gate drive signal generation unit, used to generate a gate drive signal, wherein the duty of the gate drive signal is determined by a voltage comparison of the reference current signal and a current sensing signal.

    摘要翻译: 一种具有新型功率因数校正机构的功率转换控制器,包括:归一化单元,用于根据线电压通过将线电压乘以归一化增益来产生归一化信号,其中归一化增益与 线电压幅值; 参考电流产生单元,其耦合到所述归一化单元,以通过执行算术运算来产生参考电流信号,其中所述算术运算涉及所述归一化信号; 以及用于产生栅极驱动信号的栅极驱动信号生成单元,其中栅极驱动信号的占空比由参考电流信号和电流感测信号的电压比较确定。

    LED driver circuit
    3.
    发明授权
    LED driver circuit 失效
    LED驱动电路

    公开(公告)号:US08193733B2

    公开(公告)日:2012-06-05

    申请号:US12849965

    申请日:2010-08-04

    IPC分类号: H05B37/02

    摘要: A novel LED driver circuit, including: a current regulation circuit, having a first end and a second end, wherein a first current is flowing into the second end, and a voltage difference between the first end and the second end is generated in response to the first current; a transistor, coupled with the first end and second end of the current regulation circuit; a bias network, having a first end and a second end, the second end being coupled with the transistor; and a LED module, having at least two connection nodes, wherein the connection node at one end of the LED module is coupled to a line voltage, the connection node at the other end of the LED module is coupled to the transistor, and one of the at least two connection nodes is coupled with the first end of the bias network.

    摘要翻译: 一种新颖的LED驱动器电路,包括:电流调节电路,具有第一端和第二端,其中第一电流流入第二端,并且响应于第一端和第二端产生第一端和第二端之间的电压差 第一流; 与电流调节电路的第一端和第二端耦合的晶体管; 偏置网络,具有第一端和第二端,所述第二端与所述晶体管耦合; 以及具有至少两个连接节点的LED模块,其中所述LED模块的一端处的所述连接节点耦合到线路电压,所述LED模块的另一端处的所述连接节点耦合到所述晶体管,并且所述LED模块中的一个 所述至少两个连接节点与所述偏置网络的第一端耦合。

    ELECTRONIC BALLAST WITH DIMMING CONTROL FROM POWER LINE SENSING
    4.
    发明申请
    ELECTRONIC BALLAST WITH DIMMING CONTROL FROM POWER LINE SENSING 失效
    电子镇流器,具有来自电源线感测的调光控制

    公开(公告)号:US20110012536A1

    公开(公告)日:2011-01-20

    申请号:US12505731

    申请日:2009-07-20

    IPC分类号: H05B41/36

    CPC分类号: H05B41/3925 H05B37/0263

    摘要: The present invention discloses an electronic ballast with dimming control from power line sensing for a fluorescent lamp, comprising: a control voltage generator, used to generate a control voltage according to a switching count of a power line; an oscillator, used to generate an oscillating signal, wherein the oscillating signal is of a fixed frequency and has a rising voltage portion and a falling voltage portion; and a comparator, used to generate a high side gating signal according to voltage comparison of the oscillating signal and the control voltage.

    摘要翻译: 本发明公开了一种具有调光控制功能的电子镇流器,其特征在于包括:控制电压发生器,用于根据电力线的开关量产生控制电压; 用于产生振荡信号的振荡器,其中所述振荡信号是固定频率并具有上升电压部分和下降电压部分; 和比较器,用于根据振荡信号和控制电压的电压比较产生高端选通信号。

    ELECTRONIC BALLAST WITH DIMMING CONTROL FROM POWER LINE SENSING
    5.
    发明申请
    ELECTRONIC BALLAST WITH DIMMING CONTROL FROM POWER LINE SENSING 失效
    电子镇流器,具有来自电源线感测的调光控制

    公开(公告)号:US20100277102A1

    公开(公告)日:2010-11-04

    申请号:US12434017

    申请日:2009-05-01

    IPC分类号: H05B41/36

    CPC分类号: H05B41/3921 Y10S315/04

    摘要: The present invention discloses an electronic ballast with dimming control from power line sensing for a fluorescent lamp, comprising: a line switching sensing circuit, used to generate a switching sensing signal by performing a voltage comparison operation on a DC voltage, and generate a reset signal according to the off time of the power line; a dimming voltage generator, used to generate a dimming voltage according to a count of the switching sensing signal; and a phase-controlled non-overlapping driver, used to generate a high side driving signal and a low side driving signal for delivering a lamp current according to the dimming voltage, wherein the dimming voltage is used to generate a phase, and the phase is used to generate the lamp current.

    摘要翻译: 本发明公开了一种电子镇流器,其具有来自荧光灯的电力线感测的调光控制,包括:线路切换检测电路,用于通过对直流电压进行电压比较运算产生开关感测信号,并产生复位信号 根据电力线的关闭时间; 调光电压发生器,用于根据开关感测信号的计数产生调光电压; 以及用于产生高侧驱动信号的相位控制非重叠驱动器和用于根据调光电压传送灯电流的低侧驱动信号,其中调光电压用于产生相位,相位是 用于产生灯电流。

    Electronic ballast with dimming control from power line sensing
    6.
    发明授权
    Electronic ballast with dimming control from power line sensing 失效
    电子镇流器,具有电源线感测的调光控制

    公开(公告)号:US08067904B2

    公开(公告)日:2011-11-29

    申请号:US12505731

    申请日:2009-07-20

    IPC分类号: H05B41/36

    CPC分类号: H05B41/3925 H05B37/0263

    摘要: The present invention discloses an electronic ballast with dimming control from power line sensing for a fluorescent lamp, comprising: a control voltage generator, used to generate a control voltage according to a switching count of a power line; an oscillator, used to generate an oscillating signal, wherein the oscillating signal is of a fixed frequency and has a rising voltage portion and a falling voltage portion; and a comparator, used to generate a high side gating signal according to voltage comparison of the oscillating signal and the control voltage.

    摘要翻译: 本发明公开了一种具有调光控制功能的电子镇流器,其特征在于包括:控制电压发生器,用于根据电力线的开关量产生控制电压; 用于产生振荡信号的振荡器,其中所述振荡信号是固定频率并具有上升电压部分和下降电压部分; 和比较器,用于根据振荡信号和控制电压的电压比较产生高端选通信号。

    Electronic ballast with dimming control from power line sensing
    7.
    发明授权
    Electronic ballast with dimming control from power line sensing 失效
    电子镇流器,具有电源线感测的调光控制

    公开(公告)号:US07982413B2

    公开(公告)日:2011-07-19

    申请号:US12434017

    申请日:2009-05-01

    IPC分类号: H05B37/02

    CPC分类号: H05B41/3921 Y10S315/04

    摘要: The present invention discloses an electronic ballast with dimming control from power line sensing for a fluorescent lamp, comprising: a line switching sensing circuit, used to generate a switching sensing signal by performing a voltage comparison operation on a DC voltage, and generate a reset signal according to the off time of the power line; a dimming voltage generator, used to generate a dimming voltage according to a count of the switching sensing signal; and a phase-controlled non-overlapping driver, used to generate a high side driving signal and a low side driving signal for delivering a lamp current according to the dimming voltage, wherein the dimming voltage is used to generate a phase, and the phase is used to generate the lamp current.

    摘要翻译: 本发明公开了一种电子镇流器,其具有来自荧光灯的电力线感测的调光控制,包括:线路切换检测电路,用于通过对直流电压进行电压比较运算产生开关感测信号,并产生复位信号 根据电力线的关闭时间; 调光电压发生器,用于根据开关感测信号的计数产生调光电压; 以及用于产生高侧驱动信号的相位控制非重叠驱动器和用于根据调光电压传送灯电流的低侧驱动信号,其中调光电压用于产生相位,相位是 用于产生灯电流。

    Electronic ballast with dimming control from power line sensing
    8.
    发明授权
    Electronic ballast with dimming control from power line sensing 失效
    电子镇流器,具有电源线感测的调光控制

    公开(公告)号:US07999495B2

    公开(公告)日:2011-08-16

    申请号:US12432895

    申请日:2009-04-30

    IPC分类号: H05B41/36

    CPC分类号: H05B41/3921

    摘要: The present invention discloses an electronic ballast with dimming control from power line sensing for a fluorescent lamp, comprising: a line switching sensing circuit, used to generate a switching sensing signal by performing a voltage comparison operation on a DC voltage; an oscillating signal gating unit, used to gate an oscillating signal with a pulse signal to generate a gated oscillating signal, wherein the pulse width of the pulse signal is generated according to the switching sensing signal; and a non-overlapping driver, used to generate a high side driving signal and a low side driving signal according to the gated oscillating signal.

    摘要翻译: 本发明公开了一种电子镇流器,具有从荧光灯的电力线感测调光控制的电子镇流器,包括:线路切换检测电路,用于通过对直流电压进行电压比较运算来产生开关感测信号; 振荡信号门控单元,用于利用脉冲信号对振荡信号进行选通以产生门控振荡信号,其中根据切换感测信号产生脉冲信号的脉冲宽度; 以及不重叠驱动器,用于根据门控振荡信号产生高侧驱动信号和低侧驱动信号。

    Electronic ballast with dimming control from power line sensing
    9.
    发明授权
    Electronic ballast with dimming control from power line sensing 失效
    电子镇流器,具有电源线感测的调光控制

    公开(公告)号:US07999494B2

    公开(公告)日:2011-08-16

    申请号:US12432865

    申请日:2009-04-30

    IPC分类号: H05B41/36

    CPC分类号: H05B41/3925

    摘要: The present invention discloses an electronic ballast with dimming control from power line sensing for a fluorescent lamp, comprising: a line switching sensing circuit, used to generate a switching sensing signal by performing a voltage comparison operation on a DC voltage, and generate a reset signal according to the off time of the power line; a control voltage generator, used to generate a control voltage according to the count of said switching sensing signal; a voltage controlled oscillator, used to generate an oscillating signal according to the control voltage; and a non-overlapping driver, used to generate a high side driving signal and a low side driving signal according to the oscillating signal.

    摘要翻译: 本发明公开了一种电子镇流器,其具有来自荧光灯的电力线感测的调光控制,包括:线路切换检测电路,用于通过对直流电压进行电压比较运算产生开关感测信号,并产生复位信号 根据电力线的关闭时间; 控制电压发生器,用于根据所述开关感测信号的计数产生控制电压; 压控振荡器,用于根据控制电压产生振荡信号; 以及不重叠的驱动器,用于根据振荡信号产生高侧驱动信号和低侧驱动信号。

    ELECTRONIC BALLAST WITH DIMMING CONTROL FROM POWER LINE SENSING
    10.
    发明申请
    ELECTRONIC BALLAST WITH DIMMING CONTROL FROM POWER LINE SENSING 失效
    电子镇流器,具有来自电源线感测的调光控制

    公开(公告)号:US20100277100A1

    公开(公告)日:2010-11-04

    申请号:US12432865

    申请日:2009-04-30

    IPC分类号: H05B41/36

    CPC分类号: H05B41/3925

    摘要: The present invention discloses an electronic ballast with dimming control from power line sensing for a fluorescent lamp, comprising: a line switching sensing circuit, used to generate a switching sensing signal by performing a voltage comparison operation on a DC voltage, and generate a reset signal according to the off time of the power line; a control voltage generator, used to generate a control voltage according to the count of said switching sensing signal; a voltage controlled oscillator, used to generate an oscillating signal according to the control voltage; and a non-overlapping driver, used to generate a high side driving signal and a low side driving signal according to the oscillating signal.

    摘要翻译: 本发明公开了一种电子镇流器,其具有来自荧光灯的电力线感测的调光控制,包括:线路切换检测电路,用于通过对直流电压进行电压比较运算产生开关感测信号,并产生复位信号 根据电力线的关闭时间; 控制电压发生器,用于根据所述开关感测信号的计数产生控制电压; 压控振荡器,用于根据控制电压产生振荡信号; 以及不重叠的驱动器,用于根据振荡信号产生高侧驱动信号和低侧驱动信号。