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Patent Agency Ranking
公开(公告)号：US09449546B2
公开(公告)日：2016-09-20
申请号：US14582011
申请日：2014-12-23
Applicant: Chengdu Monolithic Power Systems Co., Ltd.
Inventor： Naixing Kuang , Jiaqi Yu , Yuancheng Ren
CPC classification number: G09G3/32 , G09G2310/0289 , G09G2330/028 , H02M3/158 , H05B33/00 , H05B33/08 , H05B33/0815
Abstract: A LED driver, a LED driving method and a controller for LED driver are discussed in the present invention. The LED driver detects the phase of the input signal which is phase cut by a triac from a pre-E-transformer. The LED driver regulates the current flowing through the LED strings by varying the phase of the input signal.
Abstract translation: 在本发明中讨论了LED驱动器，LED驱动方法和用于LED驱动器的控制器。 LED驱动器检测由前置变压器通过三端双向可控硅开关相位切换的输入信号的相位。 LED驱动器通过改变输入信号的相位来调节流过LED串的电流。
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2.发明授权公开(公告)号：US09429970B2
公开(公告)日：2016-08-30
申请号：US14038671
申请日：2013-09-26
Applicant: Chengdu Monolithic Power Systems Co., Ltd.
Inventor： Naixing Kuang , Jiaqi Yu , Bo Yu
Abstract: A power supply system has a current source configured to provide an output current, a load supplied by the current source, and a current ripple suppression circuit. The current ripple suppression circuit has a first end and a second end, wherein the first end of the current ripple suppression circuit is coupled to the load, and the second end of the current ripple suppression circuit is coupled to a reference ground; wherein the current ripple suppression circuit is configured to suppress the current ripple in the output current and adaptively adjust the output current of the current source at a predetermined current level.
Abstract translation: 电源系统具有被配置为提供输出电流，由电流源提供的负载和电流纹波抑制电路的电流源。 电流纹波抑制电路具有第一端和第二端，其中电流纹波抑制电路的第一端耦合到负载，并且电流纹波抑制电路的第二端耦合到参考地; 其中，所述电流纹波抑制电路被配置为抑制所述输出电流中的电流纹波，并且以预定的电流水平自适应地调节所述电流源的输出电流。
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公开(公告)号：US20150179098A1
公开(公告)日：2015-06-25
申请号：US14582011
申请日：2014-12-23
Applicant: Chengdu Monolithic Power Systems Co., Ltd.
Inventor： Naixing Kuang , Jiaqi Yu , Yuancheng Ren
IPC: G09G3/32
CPC classification number: G09G3/32 , G09G2310/0289 , G09G2330/028 , H02M3/158 , H05B33/00 , H05B33/08 , H05B33/0815
Abstract: A LED driver, a LED driving method and a controller for LED driver are discussed in the present invention. The LED driver detects the phase of the input signal which is phase cut by a triac from a pre-E-transformer. The LED driver regulates the current flowing through the LED strings by varying the phase of the input signal.
Abstract translation: 在本发明中讨论了LED驱动器，LED驱动方法和用于LED驱动器的控制器。 LED驱动器检测由前置变压器通过三端双向可控硅开关相位切换的输入信号的相位。 LED驱动器通过改变输入信号的相位来调节流过LED串的电流。
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公开(公告)号：US20140159693A1
公开(公告)日：2014-06-12
申请号：US14102098
申请日：2013-12-10
Applicant: Chengdu Monolithic Power Systems Co., Ltd.
Inventor： Naixing Kuang , Bo Yu , Jiaqi Yu , Qiaoan Zuo
IPC: H02M3/156
CPC classification number: H02M3/156 , H02M1/42 , H02M2001/0003 , H02M2001/0009 , Y02B70/12 , Y02P80/112
Abstract: A step-down switching mode power supply having: a Buck converter configured to provide power to a load, wherein the Buck converter has a power switch and an energy storage component; a current sense circuit coupled to the power switch to generate a current sense signal; a square circuit configured to generate a first multiply signal indicating the squared value of the input voltage; a multiply circuit configured to generate a product signal based on the first multiply signal and a second multiply signal; a current comparison circuit configured to generate a current comparison signal based on the current sense signal and the product signal; and a logic circuit configured to control the power switch.
Abstract translation: 一种降压开关电源，具有：降压转换器，被配置为向负载提供电力，其中所述降压转换器具有电源开关和能量存储部件; 耦合到所述电源开关的电流感测电路以产生电流检测信号; 配置为生成表示输入电压的平方值的第一乘法信号的平方电路; 配置成基于所述第一乘法信号和第二乘法信号产生乘积信号的乘法电路; 电流比较电路，被配置为基于所述电流检测信号和所述乘积信号产生电流比较信号; 以及配置成控制电源开关的逻辑电路。
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5.发明申请公开(公告)号：US20140085945A1
公开(公告)日：2014-03-27
申请号：US14038671
申请日：2013-09-26
Applicant: Chengdu Monolithic Power Systems Co., Ltd.
Inventor： Naixing Kuang , Jiaqi Yu , Bo Yu
IPC: G05F1/563
Abstract: A power supply system has a current source configured to provide an output current, a load supplied by the current source, and a current ripple suppression circuit. The current ripple suppression circuit has a first end and a second end, wherein the first end of the current ripple suppression circuit is coupled to the load, and the second end of the current ripple suppression circuit is coupled to a reference ground; wherein the current ripple suppression circuit is configured to suppress the current ripple in the output current and adaptively adjust the output current of the current source at a predetermined current level.
Abstract translation: 电源系统具有被配置为提供输出电流，由电流源提供的负载和电流纹波抑制电路的电流源。 电流纹波抑制电路具有第一端和第二端，其中电流纹波抑制电路的第一端耦合到负载，并且电流纹波抑制电路的第二端耦合到参考地; 其中，所述电流纹波抑制电路被配置为抑制所述输出电流中的电流纹波，并且以预定的电流水平自适应地调节所述电流源的输出电流。
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