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公开(公告)号：US09882405B2
公开(公告)日：2018-01-30
申请号：US14486860
申请日：2014-09-15
Applicant: Chengdu Monolithic Power Systems Co., Ltd.
Inventor： Min Xu , Jielin Zhang , Xiaoli Kong , Yuancheng Ren
CPC classification number: H02J7/0068 , H02J7/0063 , H02J9/061 , Y10T307/625
Abstract: A power bank having an input terminal; an output terminal; a battery; a bidirectional switch circuit coupled between the battery and the output terminal of the power bank; and a select circuit coupled between the input terminal and the output terminal of the power bank; wherein when the input terminal is wired up with a power source, and the load is powered by the power source, and meanwhile, the battery is charged by the power source via the select circuit and the bidirectional switch circuit; when the input terminal is disconnected from the power source, the load is powered by the battery via the bidirectional switch circuit.
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公开(公告)号：US09479046B2
公开(公告)日：2016-10-25
申请号：US14222451
申请日：2014-03-21
Applicant: Chengdu Monolithic Power Systems Co., Ltd.
Inventor： Sicong Lin , Yiqing Jin , Yuancheng Ren , Junming Zhang
CPC classification number: H02M1/4225 , H02M1/40 , H02M1/42 , Y02B70/126 , Y02P80/112
Abstract: A PFC circuit includes: a switching circuit having a power switch; an on time control circuit for controlling an on time period of the power switch; a first off time control circuit; a second off time control circuit; and a logic circuit selectively controls the power switch working under CCM or DCM; when working under CCM, the first off time control circuit controls an off time period of the power switch and when working under DCM, the second off time control circuit controls the off time period of the power switch.
Abstract translation: PFC电路包括：具有电源开关的开关电路; 用于控制电源开关的接通时间段的准时控制电路; 第一关断时间控制电路; 第二关闭时间控制电路; 并且逻辑电路选择性地控制在CCM或DCM下工作的电源开关; 当在CCM下工作时，第一关闭时间控制电路控制电源开关的关闭时间段，并且在DCM下工作时，第二关断时间控制电路控制电源开关的关闭时间段。
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公开(公告)号：US09431845B2
公开(公告)日：2016-08-30
申请号：US14092856
申请日：2013-11-27
Applicant: Chengdu Monolithic Power Systems Co., Ltd.
Inventor： Min Xu , Zhengui Bai , Xiaoqing Li , Yuancheng Ren
CPC classification number: H02J7/007 , H02J7/0052 , H02J7/0072 , H02J2007/0059 , H02M3/158 , H02M2001/0009
Abstract: A switching charger having a control circuit configured to provide a control signal; a power stage turned ON and OFF by the control signal; an inductor coupled between the power stage and a load; and an output capacitor coupled in parallel with the load; a current sense circuit integrated to the control circuit to sense a current flowing through the power stage.
Abstract translation: 一种开关充电器，具有配置成提供控制信号的控制电路; 功率级通过控制信号接通和断开; 耦合在功率级和负载之间的电感器; 以及与负载并联耦合的输出电容器; 集成到控制电路的电流感测电路，以感测流过功率级的电流。
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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：US20140153301A1
公开(公告)日：2014-06-05
申请号：US13931749
申请日：2013-06-28
Applicant: Chengdu Monolithic Power Systems Co., Ltd.
Inventor： Siran Wang , Yike Li , Kun Yi , Yuancheng Ren , Junming Zhang , En Li
CPC classification number: G01R19/175 , G01R31/42
Abstract: An AC signal detector having: a rectify circuit having a first input terminal and a second input terminal configured to receive an AC signal, and an output terminal configured to provide a rectified signal based on the AC signal; a detecting circuit having an input terminal coupled to the output terminal of the rectify circuit to receive the rectified signal, and an output terminal configured to provide a square signal based on the rectified signal; and an unplug indicate circuit having an input terminal coupled to the detecting circuit to receive the square signal, and an output terminal configured to provide an unplug indicate signal based on the square signal.
Abstract translation: 一种AC信号检测器，具有：具有第一输入端和被配置为接收AC信号的第二输入端的整流电路，以及输出端，被配置为基于所述AC信号提供整流信号; 检测电路，其具有耦合到整流电路的输出端以接收整流信号的输入端子，以及输出端子，被配置为基于整流信号提供平方信号; 以及拔出指示电路，其具有耦合到所述检测电路的输入端子以接收所述平方信号，以及输出端子，被配置为基于所述平方信号提供拔出指示信号。
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Patent Agency Ranking
公开(公告)号：US20130301311A1
公开(公告)日：2013-11-14
申请号：US13889286
申请日：2013-05-07
Applicant: CHENGDU MONOLITHIC POWER SYSTEMS CO., LTD.
Inventor： Siran Wang , Junming Zhang , Yuancheng Ren
IPC: H02M3/335
CPC classification number: H02M3/33515 , H02M3/33507 , H02M3/33523
Abstract: A switching mode power supply, having: an input port; an output port; an energy storage component and a pair of power switches coupled between input port and the output port; an error amplifier configured to generate an amplified error signal based on the feedback signal and the reference signal; an error comparator configured to generate a frequency control signal based on the amplified error signal and the first sawtooth signal; a peak current generator configured to generate a peak current signal based on the frequency control signal; a peak current comparator configured to generate a current limit signal based on the peak current signal and the current sense signal; and a logic circuit configured to generate a switching signal to control the power switches based on the frequency control signal and the current limit signal.
Abstract translation: 一种开关模式电源，具有：输入端口; 输出端口 耦合在输入端口和输出端口之间的能量存储部件和一对电源开关; 误差放大器，被配置为基于所述反馈信号和所述参考信号产生放大的误差信号; 误差比较器，被配置为基于放大的误差信号和第一锯齿波信号产生频率控制信号; 峰值电流发生器，被配置为基于所述频率控制信号产生峰值电流信号; 峰值电流比较器，被配置为基于峰值电流信号和电流检测信号产生限流信号; 以及逻辑电路，被配置为基于所述频率控制信号和所述电流限制信号产生开关信号以控制所述功率开关。
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公开(公告)号：US09577514B2
公开(公告)日：2017-02-21
申请号：US14327219
申请日：2014-07-09
Applicant: Chengdu Monolithic Power Systems Co., Ltd.
Inventor： Siran Wang , Yike Li , Kun Yi , Yuancheng Ren , Junming Zhang , En Li
CPC classification number: H02M1/4258 , Y02B70/126
Abstract: A peak sample circuit for AC voltage, including: a rectifier coupled to receive an AC voltage and to rectify the AC voltage to generate a rectified signal; a delay circuit coupled to receive the rectified signal and to delay the rectified signal to generate a delayed rectified signal; a comparison circuit coupled to receive the delayed rectified signal and to generate a square signal based on the comparison of the rectified signal and the delayed rectified signal; and a sample output circuit coupled to receive the rectified signal, wherein the sample output circuit samples the rectified signal under the control of the square signal and provides a peak sample signal representative of the peak value of the AC voltage.
Abstract translation: 一种用于AC电压的峰值采样电路，包括：整流器，被耦合以接收AC电压并且对AC电压进行整流以产生整流信号; 延迟电路，被耦合以接收整流信号并延迟整流信号以产生延迟整流信号; 比较电路，其耦合以接收延迟整流信号，并且基于整流信号与延迟整流信号的比较产生平方信号; 以及耦合以接收整流信号的采样输出电路，其中所述采样输出电路在所述平方信号的控制下对所述整流信号进行采样，并提供表示所述AC电压的峰值的峰值采样信号。
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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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公开(公告)号：US09201102B2
公开(公告)日：2015-12-01
申请号：US13931749
申请日：2013-06-28
Applicant: Chengdu Monolithic Power Systems Co., Ltd.
Inventor： Siran Wang , Yike Li , Kun Yi , Yuancheng Ren , Junming Zhang , En Li
IPC: G01R19/15 , H02H7/125 , G01R19/175 , G01R31/42
CPC classification number: G01R19/175 , G01R31/42
Abstract: An AC signal detector having: a rectify circuit having a first input terminal and a second input terminal configured to receive an AC signal, and an output terminal configured to provide a rectified signal based on the AC signal; a detecting circuit having an input terminal coupled to the output terminal of the rectify circuit to receive the rectified signal, and an output terminal configured to provide a square signal based on the rectified signal; and an unplug indicate circuit having an input terminal coupled to the detecting circuit to receive the square signal, and an output terminal configured to provide an unplug indicate signal based on the square signal.
Abstract translation: 一种AC信号检测器，具有：具有第一输入端和被配置为接收AC信号的第二输入端的整流电路，以及输出端，被配置为基于所述AC信号提供整流信号; 检测电路，其具有耦合到整流电路的输出端以接收整流信号的输入端子，以及输出端子，被配置为基于整流信号提供平方信号; 以及拔出指示电路，其具有耦合到所述检测电路的输入端子以接收所述平方信号，以及输出端子，被配置为基于所述平方信号提供拔出指示信号。
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公开(公告)号：US09093909B2
公开(公告)日：2015-07-28
申请号：US13889286
申请日：2013-05-07
Applicant: Chengdu Monolithic Power Systems Co., Ltd.
Inventor： Siran Wang , Junming Zhang , Yuancheng Ren
CPC classification number: H02M3/33515 , H02M3/33507 , H02M3/33523
Abstract: A switching mode power supply, having: an input port; an output port; an energy storage component and a pair of power switches coupled between input port and the output port; an error amplifier configured to generate an amplified error signal based on the feedback signal and the reference signal; an error comparator configured to generate a frequency control signal based on the amplified error signal and the first sawtooth signal; a peak current generator configured to generate a peak current signal based on the frequency control signal; a peak current comparator configured to generate a current limit signal based on the peak current signal and the current sense signal; and a logic circuit configured to generate a switching signal to control the power switches based on the frequency control signal and the current limit signal.
Abstract translation: 一种开关模式电源，具有：输入端口; 输出端口 耦合在输入端口和输出端口之间的能量存储部件和一对电源开关; 误差放大器，被配置为基于所述反馈信号和所述参考信号产生放大的误差信号; 误差比较器，被配置为基于放大的误差信号和第一锯齿波信号产生频率控制信号; 峰值电流发生器，被配置为基于所述频率控制信号产生峰值电流信号; 峰值电流比较器，被配置为基于峰值电流信号和电流检测信号产生限流信号; 以及逻辑电路，被配置为基于所述频率控制信号和所述电流限制信号产生开关信号以控制所述功率开关。
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