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    Switch-mode power supply, control circuit and associated dimming method
    1.
    发明授权
    Switch-mode power supply, control circuit and associated dimming method 有权
    开关电源，控制电路及相关调光方式

    公开(公告)号：US09232606B2

    公开(公告)日：2016-01-05

    申请号：US13683904

    申请日：2012-11-21

    申请人： Naixing Kuang

    发明人： Naixing Kuang

    IPC分类号： H05B37/02 ,  H05B33/08

    CPC分类号： H05B37/02 ,  H05B33/0815 ,  H05B33/0848 ,  Y02B20/346

    摘要： A switch-mode power supply and associated control circuit for a light-emitting device are disclosed. The switch-mode power supply having a first switch which is turned ON or OFF by a control signal. The control circuit having an error amplifier, a minimum-off time control circuit and a logic circuit, wherein the error amplifier is configured to provide a compensation signal based on a dimming signal and a feedback signal. The minimum-off time control circuit is configured to provide a minimum-off time control signal to adjust a minimum-off time period of the first switch based on the compensation signal. The logic circuit is configured to provide the control signal based on the minimum-off time control signal.

    摘要翻译： 公开了一种用于发光器件的开关电源和相关控制电路。 开关电源具有通过控制信号接通或断开的第一开关。 控制电路具有误差放大器，最小关断时间控制电路和逻辑电路，其中误差放大器被配置为基于调光信号和反馈信号提供补偿信号。 最小关断时间控制电路被配置为提供最小关闭时间控制信号，以基于补偿信号来调整第一开关的最小关闭时间段。 逻辑电路被配置为基于最小关断时间控制信号提供控制信号。

    LED DRIVER AND THE METHOD THEREOF
    2.
    发明申请
    LED DRIVER AND THE METHOD THEREOF 有权
    LED驱动器及其方法

    公开(公告)号：US20130020945A1

    公开(公告)日：2013-01-24

    申请号：US13550912

    申请日：2012-07-17

    申请人： Naixing Kuang ,  Haigang Cao ,  Zhijun Ye

    发明人： Naixing Kuang ,  Haigang Cao ,  Zhijun Ye

    IPC分类号： H05B37/02

    CPC分类号： H05B33/0815 ,  H05B33/0845

    摘要： A LED driver comprising: a power switch; a transformer comprising a primary winding coupled to the power switch, a secondary winding and a third winding; a current sense circuit configured to sense a current flowing through the power switch and generates a current sense signal; a zero cross detecting circuit configured to detect a current flowing through the secondary winding, and generates a zero cross detecting signal; a compensation circuit configured to compensate the current sense signal based on the current flowing through the third winding; a control circuit configured to receive the compensated current sense signal and the zero cross detecting signal, and wherein the control circuit generates a control signal to control the power switch.

    摘要翻译： 一种LED驱动器，包括：电源开关; 变压器，包括耦合到所述电源开关的初级绕组，次级绕组和第三绕组; 电流感测电路，被配置为感测流过电源开关的电流并产生电流感测信号; 零交叉检测电路，被配置为检测流过次级绕组的电流，并产生零交叉检测信号; 补偿电路，被配置为基于流过所述第三绕组的电流补偿所述电流感测信号; 控制电路，被配置为接收经补偿的电流检测信号和过零检测信号，并且其中控制电路产生控制信号以控制电源开关。

    Power converters and associated methods of control
    3.
    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

    申请人： Naixing Kuang ,  Lei Du ,  Junming Zhang ,  Yuancheng Ren

    发明人： Naixing Kuang ,  Lei Du ,  Junming Zhang ,  Yuancheng Ren

    IPC分类号： H02J1/10 ,  G05F1/577

    CPC分类号： H02M3/158 ,  H02M2001/009 ,  Y10T307/414 ,  Y10T307/50

    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。

    LED driver and the method thereof
    5.
    发明授权
    LED driver and the method thereof 有权
    LED驱动器及其方法

    公开(公告)号：US08970122B2

    公开(公告)日：2015-03-03

    申请号：US13550912

    申请日：2012-07-17

    申请人： Naixing Kuang ,  Haigang Cao ,  Zhijun Ye

    发明人： Naixing Kuang ,  Haigang Cao ,  Zhijun Ye

    IPC分类号： H05B37/02 ,  H05B33/08

    CPC分类号： H05B33/0815 ,  H05B33/0845

    摘要： A LED driver comprising: a power switch; a transformer comprising a primary winding coupled to the power switch, a secondary winding and a third winding; a current sense circuit configured to sense a current flowing through the power switch and generates a current sense signal; a zero cross detecting circuit configured to detect a current flowing through the secondary winding, and generates a zero cross detecting signal; a compensation circuit configured to compensate the current sense signal based on the current flowing through the third winding; a control circuit configured to receive the compensated current sense signal and the zero cross detecting signal, and wherein the control circuit generates a control signal to control the power switch.

    摘要翻译： 一种LED驱动器，包括：电源开关; 变压器，包括耦合到所述电源开关的初级绕组，次级绕组和第三绕组; 电流感测电路，被配置为感测流过电源开关的电流并产生电流感测信号; 零交叉检测电路，被配置为检测流过次级绕组的电流，并产生零交叉检测信号; 补偿电路，被配置为基于流过所述第三绕组的电流补偿所述电流感测信号; 控制电路，被配置为接收经补偿的电流检测信号和过零检测信号，并且其中控制电路产生控制信号以控制电源开关。

    Multi-mode dimming circuit
    6.
    发明授权
    Multi-mode dimming circuit 有权
    多模式调光电路

    公开(公告)号：US08604710B2

    公开(公告)日：2013-12-10

    申请号：US13224893

    申请日：2011-09-02

    申请人： Bo Yu ,  Yuancheng Ren ,  Lei Du ,  Naixing Kuang ,  Zhijiang Yang

    发明人： Bo Yu ,  Yuancheng Ren ,  Lei Du ,  Naixing Kuang ,  Zhijiang Yang

    IPC分类号： H05B37/02

    CPC分类号： H05B33/0845 ,  H05B33/0815 ,  H05B41/3927 ,  Y02B20/346

    摘要： The present disclosure discloses a multi-mode dimming circuit configurable to operate in a first dimming mode, a second dimming mode and a third dimming mode. The present disclosure also discloses separate dimming circuits for respectively realize the three dimming modes. In one embodiment the multi-mode dimming circuit may comprise a first input terminal, a second input terminal, a third input terminal, an output terminal, a resistive device, an oscillation circuit and a pulse width modulation (PWM) circuit. Users may flexibly configure the multi-mode dimming circuit to operate in one of the three different dimming modes by varying the external devices and/or signals coupled to each of the first, second and third input terminals.

    摘要翻译： 本公开公开了一种多模式调光电路，其可配置为在第一调光模式，第二调光模式和第三调光模式中操作。 本公开还公开了用于分别实现三个调光模式的单独的调光电路。 在一个实施例中，多模式调光电路可以包括第一输入端，第二输入端，第三输入端，输出端，电阻器件，振荡电路和脉冲宽度调制（PWM）电路。 用户可以通过改变耦合到第一，第二和第三输入端子中的每一个的外部设备和/或信号来灵活地将多模式调光电路配置为以三种不同的调光模式之一工作。

    SWITCH-MODE POWER SUPPLY, CONTROL CIRCUIT AND ASSOCIATED DIMMING METHOD
    7.
    发明申请
    SWITCH-MODE POWER SUPPLY, CONTROL CIRCUIT AND ASSOCIATED DIMMING METHOD 有权
    开关电源，控制电路及相关调试方法

    公开(公告)号：US20130134894A1

    公开(公告)日：2013-05-30

    申请号：US13683904

    申请日：2012-11-21

    申请人： Naixing KUANG

    发明人： Naixing KUANG

    IPC分类号： H05B37/02

    CPC分类号： H05B37/02 ,  H05B33/0815 ,  H05B33/0848 ,  Y02B20/346

    摘要： A switch-mode power supply and associated control circuit for a light-emitting device are disclosed. The switch-mode power supply having a first switch which is turned ON or OFF by a control signal. The control circuit having an error amplifier, a minimum-off time control circuit and a logic circuit, wherein the error amplifier is configured to provide a compensation signal based on a dimming signal and a feedback signal. The minimum-off time control circuit is configured to provide a minimum-off time control signal to adjust a minimum-off time period of the first switch based on the compensation signal. The logic circuit is configured to provide the control signal based on the minimum-off time control signal.

    摘要翻译： 公开了一种用于发光器件的开关电源和相关控制电路。 开关电源具有通过控制信号接通或断开的第一开关。 所述控制电路具有误差放大器，最小关断时间控制电路和逻辑电路，其中所述误差放大器被配置为基于调光信号和反馈信号提供补偿信号。 最小关断时间控制电路被配置为提供最小关闭时间控制信号，以基于补偿信号来调整第一开关的最小关闭时间段。 逻辑电路被配置为基于最小关断时间控制信号提供控制信号。

    MULTI-MODE DIMMING CIRCUIT
    8.
    发明申请
    MULTI-MODE DIMMING CIRCUIT 有权
    多模式调光电路

    公开(公告)号：US20120056552A1

    公开(公告)日：2012-03-08

    申请号：US13224893

    申请日：2011-09-02

    申请人： Bo Yu ,  Yuancheng Ren ,  Lei Du ,  Naixing Kuang ,  Zhijiang Yang

    发明人： Bo Yu ,  Yuancheng Ren ,  Lei Du ,  Naixing Kuang ,  Zhijiang Yang

    IPC分类号： H05B37/02

    CPC分类号： H05B33/0845 ,  H05B33/0815 ,  H05B41/3927 ,  Y02B20/346

    摘要： The present disclosure discloses a multi-mode dimming circuit configurable to operate in a first dimming mode, a second dimming mode and a third dimming mode. The present disclosure also discloses separate dimming circuits for respectively realize the three dimming modes. In one embodiment the multi-mode dimming circuit may comprise a first input terminal, a second input terminal, a third input terminal, an output terminal, a resistive device, an oscillation circuit and a pulse width modulation (PWM) circuit. Users may flexibly configure the multi-mode dimming circuit to operate in one of the three different dimming modes by varying the external devices and/or signals coupled to each of the first, second and third input terminals.

    摘要翻译： 本公开公开了一种多模式调光电路，其可配置为在第一调光模式，第二调光模式和第三调光模式中操作。 本公开还公开了用于分别实现三个调光模式的单独的调光电路。 在一个实施例中，多模式调光电路可以包括第一输入端，第二输入端，第三输入端，输出端，电阻器件，振荡电路和脉冲宽度调制（PWM）电路。 用户可以通过改变耦合到第一，第二和第三输入端子中的每一个的外部设备和/或信号来灵活地将多模式调光电路配置为以三种不同的调光模式之一工作。

    CIRCUITRY FOR DRIVING LIGHT EMITTING DIODES AND ASSOCIATED METHODS
    9.
    发明申请
    CIRCUITRY FOR DRIVING LIGHT EMITTING DIODES AND ASSOCIATED METHODS 有权
    用于驱动发光二极管的电路和相关方法

    公开(公告)号：US20110234122A1

    公开(公告)日：2011-09-29

    申请号：US13069283

    申请日：2011-03-22

    申请人： Bo Yu ,  Yuancheng Ren ,  Lei Du ,  Naixing Kuang ,  Zhishun Li

    发明人： Bo Yu ,  Yuancheng Ren ,  Lei Du ,  Naixing Kuang ,  Zhishun Li

    IPC分类号： H05B37/02

    CPC分类号： H05B33/0827 ,  G09G3/3406

    摘要： Circuitry and methods for driving a plurality of LED strings are disclosed herein. In one embodiment, the circuitry comprises a plurality of current regulating circuits electrically coupled to the LED strings and are configured to regulate a current flowing through the LED strings. At least two control circuits are coupled to the current regulating circuits and are configured to generate a control signal according to terminal voltages of the corresponding current regulating circuits. A voltage converter is electrically coupled to the LED strings and to the at least two control circuits, and is configured to regulate the DC driving voltage according to the at least two control signals.

    摘要翻译： 本文公开了用于驱动多个LED串的电路和方法。 在一个实施例中，电路包括电耦合到LED串的多个电流调节电路，并且被配置为调节流过LED串的电流。 至少两个控制电路耦合到电流调节电路，并且被配置为根据相应的电流调节电路的端子电压产生控制信号。 电压转换器电耦合到LED串和至少两个控制电路，并且被配置为根据至少两个控制信号来调节DC驱动电压。