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    • 3. 发明申请
    • LIGHT EMITTING DEVICE CONTROL CIRCUIT WITH DIMMING FUNCTION AND CONTROL METHOD THEREOF
    • 具有调光功能的发光装置控制电路及其控制方法
    • US20150173153A1
    • 2015-06-18
    • US14559927
    • 2014-12-04
    • Leng-Nien HsiuPei-Yuan ChenChien-Yang Chen
    • Leng-Nien HsiuPei-Yuan ChenChien-Yang Chen
    • H05B37/02H05B33/08
    • H05B33/0845H05B33/0815
    • 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.
    • 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。
    • 5. 发明授权
    • Dimming control circuit
    • 调光控制电路
    • US08026676B2
    • 2011-09-27
    • US12327830
    • 2008-12-04
    • Jing-Meng LiuChiawei LiaoLeng-Nien Hsiu
    • Jing-Meng LiuChiawei LiaoLeng-Nien Hsiu
    • G05F1/00H05B37/00
    • H05B33/0848
    • The present invention discloses a dimming control circuit, comprising: an input terminal for receiving an input signal; an analog and digital dimming circuit receiving the input signal, wherein the analog and digital dimming circuit provides an analog dimming function when a voltage level of the input signal is between a predetermined lower limit and a predetermined upper limit, and a digital dimming function when the voltage level of the input signal switches above and below the predetermined lower limit, and wherein the analog and digital dimming circuit generates an analog signal when the voltage level of the input signal is above the predetermined lower limit; and a power circuit for supplying an output current in correspondence to the analog signal generated by the analog and digital dimming circuit.
    • 本发明公开了一种调光控制电路,包括:输入端,用于接收输入信号; 接收输入信号的模拟和数字调光电路,其中当输入信号的电压电平在预定的下限和预定的上限之间时,模拟和数字调光电路提供模拟调光功能,当数字调光功能在 输入信号的电压电平高于和低于预定下限,并且其中当输入信号的电压电平高于预定下限时,模拟和数字调光电路产生模拟信号; 以及用于对应于由模拟和数字调光电路产生的模拟信号提供输出电流的电源电路。
    • 6. 发明申请
    • Dimming Control Circuit
    • 调光控制电路
    • US20100084991A1
    • 2010-04-08
    • US12327830
    • 2008-12-04
    • Jing-Meng LiuChiawei LiaoLeng-Nien Hsiu
    • Jing-Meng LiuChiawei LiaoLeng-Nien Hsiu
    • H05B37/02
    • H05B33/0848
    • The present invention discloses a dimming control circuit, comprising: an input terminal for receiving an input signal; an analog and digital dimming circuit receiving the input signal, wherein the analog and digital dimming circuit provides an analog dimming function when a voltage level of the input signal is between a predetermined lower limit and a predetermined upper limit, and a digital dimming function when the voltage level of the input signal switches above and below the predetermined lower limit, and wherein the analog and digital dimming circuit generates an analog signal when the voltage level of the input signal is above the predetermined lower limit; and a power circuit for supplying an output current in correspondence to the analog signal generated by the analog and digital dimming circuit.
    • 本发明公开了一种调光控制电路,包括:输入端,用于接收输入信号; 接收输入信号的模拟和数字调光电路,其中当输入信号的电压电平在预定的下限和预定的上限之间时,模拟和数字调光电路提供模拟调光功能,当数字调光功能在 输入信号的电压电平高于和低于预定下限,并且其中当输入信号的电压电平高于预定下限时,模拟和数字调光电路产生模拟信号; 以及用于对应于由模拟和数字调光电路产生的模拟信号提供输出电流的电源电路。
    • 8. 发明授权
    • Switching regulator and control circuit and control method thereof
    • 开关调节器及其控制电路及其控制方法
    • US08780587B2
    • 2014-07-15
    • US13674824
    • 2012-11-12
    • Chia-Wei LiaoJing-Meng LiuLeng-Nien HsiuPei-Yuan Chen
    • Chia-Wei LiaoJing-Meng LiuLeng-Nien HsiuPei-Yuan Chen
    • H02M3/335H02M1/42
    • H02M3/33507H02M1/4258Y02B70/126
    • 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.
    • 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。