Light emitting device control circuit with dimming function and control method thereof
    1.
    发明授权
    Light emitting device control circuit with dimming function and control method thereof 有权
    具有调光功能的发光装置控制电路及其控制方法

    公开(公告)号:US09247601B2

    公开(公告)日:2016-01-26

    申请号:US14559927

    申请日:2014-12-04

    IPC分类号: H05B37/02 H05B33/08

    CPC分类号: H05B33/0845 H05B33/0815

    摘要: The present invention discloses a light emitting device control circuit with dimming function and a control method thereof. The light emitting device control circuit includes: a dimmer circuit, a rectifier and filter circuit, a power converter circuit, and a headroom voltage regulation circuit. The dimmer circuit generates an AC dimming voltage according to an AC voltage. The rectifier and filter circuit generates an input voltage according to the AC dimming voltage. The power converter circuit operates according to a control signal to convert the input voltage to an output voltage which is supplied to a light emitting device circuit. The headroom voltage regulation circuit generates the control signal according to a reference value and a difference between the input voltage and the output voltage, and regulates the difference at a level corresponding to the reference value by a feedback control loop.

    摘要翻译: 本发明公开了一种具有调光功能的发光装置控制电路及其控制方法。 发光器件控制电路包括:调光器电路,整流器和滤波器电路,功率转换器电路和裕量调节电路。 调光电路根据交流电压产生交流调光电压。 整流器和滤波电路根据交流调光电压产生输入电压。 功率转换器电路根据控制信号进行工作,将输入电压转换为提供给发光器件电路的输出电压。 余量调压电路根据参考值和输入电压与输出电压之间的差产生控制信号,并通过反馈控制回路将该差值调整到与参考值相对应的电平。

    LIGHT EMITTING DEVICE CONTROL CIRCUIT WITH DIMMING FUNCTION AND CONTROL METHOD THEREOF
    2.
    发明申请
    LIGHT EMITTING DEVICE CONTROL CIRCUIT WITH DIMMING FUNCTION AND CONTROL METHOD THEREOF 有权
    具有调光功能的发光装置控制电路及其控制方法

    公开(公告)号:US20150173153A1

    公开(公告)日:2015-06-18

    申请号:US14559927

    申请日:2014-12-04

    IPC分类号: H05B37/02 H05B33/08

    CPC分类号: H05B33/0845 H05B33/0815

    摘要: The present invention discloses a light emitting device control circuit with dimming function and a control method thereof. The light emitting device control circuit includes: a dimmer circuit, a rectifier and filter circuit, a power converter circuit, and a headroom voltage regulation circuit. The dimmer circuit generates an AC dimming voltage according to an AC voltage. The rectifier and filter circuit generates an input voltage according to the AC dimming voltage. The power converter circuit operates according to a control signal to convert the input voltage to an output voltage which is supplied to a light emitting device circuit. The headroom voltage regulation circuit generates the control signal according to a reference value and a difference between the input voltage and the output voltage, and regulates the difference at a level corresponding to the reference value by a feedback control loop.

    摘要翻译: 本发明公开了一种具有调光功能的发光装置控制电路及其控制方法。 发光器件控制电路包括:调光器电路,整流器和滤波器电路,功率转换器电路和裕量调节电路。 调光电路根据交流电压产生交流调光电压。 整流器和滤波电路根据交流调光电压产生输入电压。 功率转换器电路根据控制信号进行工作,将输入电压转换为提供给发光器件电路的输出电压。 余量调压电路根据参考值和输入电压与输出电压之间的差产生控制信号,并通过反馈控制回路将该差值调节到与参考值相对应的电平。

    Control circuit and control method of light emitting device circuit
    4.
    发明授权
    Control circuit and control method of light emitting device circuit 有权
    发光器件电路的控制电路和控制方法

    公开(公告)号:US09055649B2

    公开(公告)日:2015-06-09

    申请号:US13974914

    申请日:2013-08-23

    IPC分类号: H05B37/00 H05B33/08

    CPC分类号: H05B33/089 H05B33/0803

    摘要: The present invention discloses a control circuit and a control method of a light emitting device circuit. When the light emitting device circuit is normally connected in normal operation, an output current is regulated to a predetermined current. When the light emitting device circuit is removed, an output voltage is regulated to a predetermined voltage. When the light emitting device circuit is reconnected, the output current is regulated to the predetermined current. The output voltage is at or above a level when the light emitting device circuit is normally connected in normal operation, and the predetermined voltage is lower than this level.

    摘要翻译: 本发明公开了一种发光器件电路的控制电路和控制方法。 当发光装置电路在正常操作中正常连接时,输出电流被调节到预定电流。 当去除发光器件电路时,输出电压被调节到预定电压。 当重新连接发光器件电路时,输出电流被调节到预定电流。 当发光装置电路在正常操作中正常连接时,输出电压等于或高于该电平,并且预定电压低于该电平。

    Switching Regulator and Control Circuit and Control Method Thereof
    5.
    发明申请
    Switching Regulator and Control Circuit and Control Method Thereof 有权
    开关稳压器及其控制电路及其控制方法

    公开(公告)号:US20130169252A1

    公开(公告)日:2013-07-04

    申请号:US13728605

    申请日:2012-12-27

    IPC分类号: G05F1/10

    摘要: The present invention discloses a switching regulator and a control circuit and a control method thereof. The switching regulator generates a compensation signal according to a feedback signal, and generates a driving signal according to the compensation signal, to control a power stage for converting an input voltage to an output voltage. The compensation signal is adjusted according to the input voltage, such that when the input voltage is equal to or lower than a predetermined level, the compensation signal is kept at a predetermined value.

    摘要翻译: 本发明公开了一种开关调节器及其控制电路及其控制方法。 开关调节器根据反馈信号产生补偿信号,并根据补偿信号产生驱动信号,以控制用于将输入电压转换为输出电压的功率级。 根据输入电压调整补偿信号,使得当输入电压等于或低于预定电平时,补偿信号保持在预定值。

    Light emitting device power supply circuit, and light emitting device driver circuit and control method thereof
    7.
    发明授权
    Light emitting device power supply circuit, and light emitting device driver circuit and control method thereof 有权
    发光装置电源电路及发光装置驱动电路及其控制方法

    公开(公告)号:US08710755B2

    公开(公告)日:2014-04-29

    申请号:US13421733

    申请日:2012-03-15

    IPC分类号: H05B37/02

    CPC分类号: H05B33/0815

    摘要: The present invention discloses a light emitting device power supply circuit, a light emitting device driver circuit and a control method thereof. The light emitting device driver circuit is coupled to a tri-electrode AC switch (TRIAC) dimmer circuit, and it controls the brightness of a light emitting device circuit according a rectified dimming signal. The light emitting device driver circuit includes a power stage circuit and a light emitting device control circuit. The light emitting device control circuit generates a switch control signal. The power stage circuit operates at least one power switch thereof according to the switch control signal to generate a latching current for firing the TRIAC dimmer circuit, and the latching current is inputted to the light emitting device circuit.

    摘要翻译: 本发明公开了一种发光装置电源电路,发光装置驱动电路及其控制方法。 发光器件驱动电路耦合到三极交流开关(TRIAC)调光电路,并根据整流调光信号控制发光器件电路的亮度。 发光器件驱动电路包括功率级电路和发光器件控制电路。 发光装置控制电路产生开关控制信号。 功率级电路根据开关控制信号操作其至少一个电源开关,以产生用于触发TRIAC调光电路的锁存电流,并且将锁存电流输入到发光器件电路。

    Switching Regulator and Control Circuit and Control Method Thereof
    8.
    发明申请
    Switching Regulator and Control Circuit and Control Method Thereof 有权
    开关稳压器及其控制电路及其控制方法

    公开(公告)号:US20130114308A1

    公开(公告)日:2013-05-09

    申请号:US13674824

    申请日:2012-11-12

    IPC分类号: H02M3/335

    摘要: The present invention discloses a switching regulator and a control circuit and a control method thereof. The control circuit of the switching regulator, which controls rectified power within a predetermined range, detects an input voltage and an input current to generate a voltage detection signal and a current detection signal respectively, and the voltage detection signal and the current detection signal are multiplied by one the other to generate a power index. The control circuit generates an error signal according to the power index and a reference signal. A low-pass-filter filters a high frequency band in the process. A control signal generation circuit of the control circuit generates a control signal according to the error signal. And a driver circuit of the control circuit generates an operation signal according to the control signal, for switching a power switch to convert the rectified power to an output voltage.

    摘要翻译: 本发明公开了一种开关调节器及其控制电路及其控制方法。 开关调节器的控制电路,其控制在预定范围内的整流功率,检测输入电压和输入电流,分别产生电压检测信号和电流检测信号,并将电压检测信号和电流检测信号相乘 通过另一个来产生权力指数。 控制电路根据功率指标和参考信号产生误差信号。 低通滤波器过滤高频带。 控制电路的控制信号生成电路根据误差信号生成控制信号。 并且控制电路的驱动电路根据控制信号生成操作信号,用于切换电源开关以将整流功率转换为输出电压。

    Control Circuit and Control Method of Light Emitting Device Circuit
    9.
    发明申请
    Control Circuit and Control Method of Light Emitting Device Circuit 有权
    发光装置电路控制电路及控制方法

    公开(公告)号:US20140077703A1

    公开(公告)日:2014-03-20

    申请号:US13974914

    申请日:2013-08-23

    IPC分类号: H05B33/08

    CPC分类号: H05B33/089 H05B33/0803

    摘要: The present invention discloses a control circuit and a control method of a light emitting device circuit. When the light emitting device circuit is normally connected in normal operation, an output current is regulated to a predetermined current. When the light emitting device circuit is removed, an output voltage is regulated to a predetermined voltage. When the light emitting device circuit is reconnected, the output current is regulated to the predetermined current. The output voltage is at or above a level when the light emitting device circuit is normally connected in normal operation, and the predetermined voltage is lower than this level.

    摘要翻译: 本发明公开了一种发光器件电路的控制电路和控制方法。 当发光装置电路在正常操作中正常连接时,输出电流被调节到预定电流。 当去除发光器件电路时,输出电压被调节到预定电压。 当重新连接发光器件电路时,输出电流被调节到预定电流。 当发光装置电路在正常操作中正常连接时,输出电压等于或高于该电平,并且预定电压低于该电平。

    Switching regulator and control circuit and control method thereof
    10.
    发明授权
    Switching regulator and control circuit and control method thereof 有权
    开关调节器及其控制电路及其控制方法

    公开(公告)号:US08780587B2

    公开(公告)日:2014-07-15

    申请号:US13674824

    申请日:2012-11-12

    IPC分类号: H02M3/335 H02M1/42

    摘要: A control circuit of a switching regulator, which controls rectified power within a predetermined range, detects an input voltage and an input current to generate a voltage detection signal and a current detection signal respectively, and the voltage detection signal and the current detection signal are multiplied by one the other to generate a power index. The control circuit generates an error signal according to the power index and a reference signal. A low-pass-filter filters a high frequency band in the process. A control signal generation circuit of the control circuit generates a control signal according to the error signal. And a driver circuit of the control circuit generates an operation signal according to the control signal, for switching a power switch to convert the rectified power to an output voltage.

    摘要翻译: 控制在预定范围内的整流功率的开关调节器的控制电路分别检测输入电压和输入电流以产生电压检测信号和电流检测信号,并将电压检测信号和电流检测信号相乘 通过另一个来产生权力指数。 控制电路根据功率指标和参考信号产生误差信号。 低通滤波器过滤高频带。 控制电路的控制信号生成电路根据误差信号生成控制信号。 并且控制电路的驱动电路根据控制信号生成操作信号,用于切换电源开关以将整流功率转换为输出电压。