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1. 发明申请

US20140266111A1 MULTIPHASE CONVERTER CONTROLLER WITH CURRENT BALANCE 有权
标题翻译：具有电流平衡的多相转换器控制器
公开(公告)号：US20140266111A1
公开(公告)日：2014-09-18
申请号：US13845117
申请日：2013-03-18
申请人： GREEN SOLUTION TECHNOLOGY CO., LTD.
发明人： Li-Min Lee , Quan Gan , Shian-Sung Shiu , Chao Shao
IPC分类号： H02M3/156
CPC分类号： H02M3/1584
摘要： A multiphase converter controller with current balance, configured to control a plural converting circuit to commonly supply an output voltage, is disclosed. The multiphase converter controller comprises a feedback circuit, a fixed on-time circuit, and a multiphase logical circuit. The feedback circuit detects the output voltage to generate a feedback control signal. The fixed on-time circuit generates an on-time signal according to the feedback control signal, and a pulse width of the on-time signal is determined according to a single timer. The multiphase logical circuit chooses a corresponding converting circuit, generates a phase signal according to a sequence of the feedback control signal and controls the corresponding converting circuit according to the on-time signal. Wherein, the fixed on-time circuit determines a correction value according to currents of the plural converting circuit and the phase signal, so as to correct the pulse width of the on-time signal.
摘要翻译：公开了一种具有电流平衡的多相转换器控制器，其被配置为控制多个转换电路以共同地提供输出电压。多相转换器控制器包括反馈电路，固定导通时间电路和多相逻辑电路。反馈电路检测输出电压以产生反馈控制信号。固定导通时间电路根据反馈控制信号产生接通时间信号，并且根据单个定时器确定接通时间信号的脉冲宽度。多相逻辑电路选择相应的转换电路，根据反馈控制信号的顺序产生相位信号，并根据接通时间信号控制相应的转换电路。其中，固定导通时间电路根据多个转换电路的电流和相位信号确定校正值，以校正接通时间信号的脉冲宽度。

2. 发明申请

US20140103896A1 DC TO DC BUCK CONVERTING CONTROLLER WITH PROGRAMMABLE ON-TIME PERIOD UNIT 有权
标题翻译：直流到直流转矩控制器与可编程的时间段单元
公开(公告)号：US20140103896A1
公开(公告)日：2014-04-17
申请号：US14109964
申请日：2013-12-18
申请人： GREEN SOLUTION TECHNOLOGY CO., LTD.
发明人： Li-Min Lee , Chung-Che Yu , Shian-Sung Shiu , Chao Shao , Quan Gan
IPC分类号： H02M3/156
CPC分类号： H02M3/156 , H02M3/158 , H02M3/1588 , H02M2001/0022 , H02M2001/0025 , Y02B70/1466
摘要： A programmable on-time period of a DC to DC buck converting controller is adjusted according to a level of a preset output voltage or a reference signal. Therefore, the DC to DC buck converting controller of the present invention is suitable for any applications with different requests of output voltages or different operating mode.
摘要翻译： DC-DC降压转换控制器的可编程导通时间段根据预设输出电压或参考信号的电平进行调整。因此，本发明的DC-DC降压转换控制器适用于具有不同输出电压或不同工作模式要求的任何应用。

3. 发明授权

US09780671B2 Power coversion apparatus 有权
公开(公告)号：US09780671B2
公开(公告)日：2017-10-03
申请号：US15259070
申请日：2016-09-08
申请人： GREEN SOLUTION TECHNOLOGY CO., LTD.
发明人： Chia-Ming Chan , Desi Pan , Shian-Sung Shiu , Li-Min Lee
IPC分类号： H02M3/335 , H02M1/08 , H02M1/00
CPC分类号： H02M3/33507 , H02M1/08 , H02M3/158 , H02M3/33561 , H02M2001/0009 , H02M2001/009
摘要： A power conversion apparatus including a power converter, a first output port, a second output port, a load detection circuit and an output selection circuit is provided. The power converter generates a first and a second output voltages having different voltage specification. The first and the second output ports respectively provide the received output voltages to a back end. The load detection circuit is coupled with the power converter and the second output port and detects a load requirement of a load connected to the second output port to generate a load detection signal. The power converter generates a first switch control signal according to the load detection signal to control the output selection circuit, such that the output selection circuit provides one of the first and the second output voltages in response to the first switch control signal.

4. 发明申请

US20170093292A1 POWER COVERSION APPARATUS 有权
公开(公告)号：US20170093292A1
公开(公告)日：2017-03-30
申请号：US15259070
申请日：2016-09-08
申请人： GREEN SOLUTION TECHNOLOGY CO., LTD.
发明人： Chia-Ming Chan , Desi Pan , Shian-Sung Shiu , Li-Min Lee
IPC分类号： H02M3/335 , H02M1/08
CPC分类号： H02M3/33507 , H02M1/08 , H02M3/158 , H02M3/33561 , H02M2001/0009 , H02M2001/009
摘要： A power conversion apparatus including a power converter, a first output port, a second output port, a load detection circuit and an output selection circuit is provided. The power converter generates a first and a second output voltages having different voltage specification. The first and the second output ports respectively provide the received output voltages to a back end. The load detection circuit is coupled with the power converter and the second output port and detects a load requirement of a load connected to the second output port to generate a load detection signal. The power converter generates a first switch control signal according to the load detection signal to control the output selection circuit, such that the output selection circuit provides one of the first and the second output voltages in response to the first switch control signal.

5. 发明授权

US09407147B2 Multiphase converter controller with current balance 有权
标题翻译：具有电流平衡的多相转换器控制器
公开(公告)号：US09407147B2
公开(公告)日：2016-08-02
申请号：US13845117
申请日：2013-03-18
申请人： GREEN SOLUTION TECHNOLOGY CO., LTD.
发明人： Li-Min Lee , Quan Gan , Shian-Sung Shiu , Chao Shao
IPC分类号： H02M3/156 , H02M3/158
CPC分类号： H02M3/1584
摘要： A multiphase converter controller with current balance, configured to control a plural converting circuit to commonly supply an output voltage, is disclosed. The multiphase converter controller comprises a feedback circuit, a fixed on-time circuit, and a multiphase logical circuit. The feedback circuit detects the output voltage to generate a feedback control signal. The fixed on-time circuit generates an on-time signal according to the feedback control signal, and a pulse width of the on-time signal is determined according to a single timer. The multiphase logical circuit chooses a corresponding converting circuit, generates a phase signal according to a sequence of the feedback control signal and controls the corresponding converting circuit according to the on-time signal. Wherein, the fixed on-time circuit determines a correction value according to currents of the plural converting circuit and the phase signal, so as to correct the pulse width of the on-time signal.
摘要翻译：公开了一种具有电流平衡的多相转换器控制器，其被配置为控制多个转换电路以共同地提供输出电压。多相转换器控制器包括反馈电路，固定导通时间电路和多相逻辑电路。反馈电路检测输出电压以产生反馈控制信号。固定导通时间电路根据反馈控制信号产生接通时间信号，并且根据单个定时器确定接通时间信号的脉冲宽度。多相逻辑电路选择相应的转换电路，根据反馈控制信号的顺序产生相位信号，并根据接通时间信号控制相应的转换电路。其中，固定导通时间电路根据多个转换电路的电流和相位信号确定校正值，以校正接通时间信号的脉冲宽度。

6. 发明授权

US09293989B2 DC to DC buck converting controller with programmable on-time period unit 有权
标题翻译： DC到DC降压转换控制器，具有可编程的导通时间单位
公开(公告)号：US09293989B2
公开(公告)日：2016-03-22
申请号：US14109964
申请日：2013-12-18
申请人： GREEN SOLUTION TECHNOLOGY CO., LTD.
发明人： Li-Min Lee , Chung-Che Yu , Shian-Sung Shiu , Chao Shao , Quan Gan
IPC分类号： H02M3/156 , H02M3/158 , H02M1/00
CPC分类号： H02M3/156 , H02M3/158 , H02M3/1588 , H02M2001/0022 , H02M2001/0025 , Y02B70/1466
摘要： A programmable on-time period of a DC to DC buck converting controller is adjusted according to a level of a preset output voltage or a reference signal. Therefore, the DC to DC buck converting controller of the present invention is suitable for any applications with different requests of output voltages or different operating mode.
摘要翻译： DC-DC降压转换控制器的可编程导通时间段根据预设输出电压或参考信号的电平进行调整。因此，本发明的DC-DC降压转换控制器适用于具有不同输出电压或不同工作模式要求的任何应用。

7. 发明授权

US09107271B2 LED driving circuit 有权
标题翻译： LED驱动电路
公开(公告)号：US09107271B2
公开(公告)日：2015-08-11
申请号：US14158873
申请日：2014-01-20
申请人： GREEN SOLUTION TECHNOLOGY CO., LTD.
发明人： Shian-Sung Shiu , Chia-Ming Chan , Ying Wang
IPC分类号： G05F1/00 , H05B33/08
CPC分类号： H05B33/089 , H05B33/0827 , Y02B20/341
摘要： A LED (Light-Emitting Diode) driving circuit including at least one light-emitting unit and a protection detecting circuit, is provided. Each light-emitting unit includes an LED string coupled to a driving voltage, a current regulator and a transistor. The current regulator is coupled to a corresponding LED string and controls a current flowing therethrough. The transistor is coupled between the LED string and the current regulator. The protection detecting circuit generates a clamping reference level signal to a control terminal of the at least one transistor and is coupled to a connection node of the at least one transistor and the at least one LED string. When a voltage of any connection node is higher than a preset protection value, the protection detecting circuit decreases the clamping reference value to reduce or cut off the current of the at least one LED string.
摘要翻译：提供了包括至少一个发光单元和保护检测电路的LED（发光二极管）驱动电路。每个发光单元包括耦合到驱动电压的LED串，电流调节器和晶体管。电流调节器耦合到相应的LED串并且控制流过其中的电流。晶体管耦合在LED串和电流调节器之间。保护检测电路产生钳位参考电平信号到至少一个晶体管的控制端，并且耦合到至少一个晶体管和至少一个LED串的连接节点。当任何连接节点的电压高于预设保护值时，保护检测电路减小钳位参考值以减少或切断至少一个LED串的电流。

8. 发明授权

US09923467B2 Multiphase converting controller 有权
公开(公告)号：US09923467B2
公开(公告)日：2018-03-20
申请号：US13854968
申请日：2013-04-02
申请人： GREEN SOLUTION TECHNOLOGY CO., LTD.
发明人： Li-Min Lee , Quan Gan , Shian-Sung Shiu
IPC分类号： H02M3/158 , H02M1/00
CPC分类号： H02M3/1584 , H02M2001/0032 , H02M2003/1586 , Y02B70/16
摘要： A multiphase converting controller, adapted to control a plural converting circuits coupled to an input voltage to commonly supply an output voltage, is disclosed. The multiphase converting controller comprises a feedback control circuit, an on-time control circuit, and a multiphase logic control circuit. The feedback control circuit determines a conduction starting point in time according to the output voltage and accordingly generates a conduction signal. The on-time control circuit determines a conduction time period. The multiphase logic control circuit controls the plural converting circuit in sequence in accordance to the conduction signal and the conduction time period. The on-time control circuit adjusts a length of the conduction time period according to a mode signal.

9. 发明授权

US09575499B2 Low-dropout voltage regulator 有权
标题翻译：低压差稳压器
公开(公告)号：US09575499B2
公开(公告)日：2017-02-21
申请号：US14803133
申请日：2015-07-20
申请人： GREEN SOLUTION TECHNOLOGY CO., LTD.
发明人： Li-Min Lee , Zhong-Wei Liu , Shian-Sung Shiu , Ying-Ying Yang
IPC分类号： G05F1/575
CPC分类号： G05F1/575
摘要： The invention is directed to a low-dropout voltage regulator (LDO), including a power transistor, a driving stage circuit, a feedback circuit, a bias power source and an auxiliary reference current generation circuit. The power transistor is controlled by a driving signal to convert an input voltage into an output voltage. The feedback circuit generates a feedback voltage according to the output voltage. The driving stage circuit generates the driving signal according to the feedback voltage and the reference voltage. The bias power source provides a bias current. The auxiliary reference current generation circuit is configured to sample an output current, adjust the sampled output current to generate an adjustment current by means of mapping and superpose the adjustment current onto the bias current to generate a reference current to control drive capability of the driving stage circuit.
摘要翻译：本发明涉及一种包括功率晶体管，驱动级电路，反馈电路，偏置电源和辅助参考电流产生电路的低压差稳压器（LDO）。功率晶体管由驱动信号控制，以将输入电压转换为输出电压。反馈电路根据输出电压产生反馈电压。驱动级电路根据反馈电压和参考电压产生驱动信号。偏置电源提供偏置电流。辅助参考电流产生电路被配置为对输出电流进行采样，通过映射并调整采样的输出电流以产生调节电流，并将调整电流叠加到偏置电流上以产生参考电流以控制驱动级的驱动能力电路。

10. 发明授权

US09543833B2 Constant on time controller 有权
标题翻译：恒定时间控制器
公开(公告)号：US09543833B2
公开(公告)日：2017-01-10
申请号：US14254905
申请日：2014-04-17
申请人： GREEN SOLUTION TECHNOLOGY CO., LTD.
发明人： Shian-Sung Shiu , Chao Shao , Li-Min Lee
IPC分类号： H02M3/156 , H02M1/00
CPC分类号： H02M3/156 , H02M2001/0022
摘要： The present invention provides a constant on time controller packaged in one single package for controlling a buck converting circuit to convert an input voltage into an output voltage. The constant on time controller includes an input voltage detecting circuit, an on-time determining circuit and a driving circuit. The input voltage detecting circuit receives a bootstrap voltage to generate an input voltage detecting signal indicative of the input voltage. The on-time determining circuit receives the input voltage detecting signal and generates an on-time signal in response to the input voltage detecting signal and the output voltage. The driving circuit controls the buck converting circuit according to the n-time signal.
摘要翻译：本发明提供了一个恒定的时间控制器，其封装在一个单个封装中，用于控制降压转换电路以将输入电压转换为输出电压。恒定的时间控制器包括输入电压检测电路，导通时间确定电路和驱动电路。输入电压检测电路接收自举电压以产生表示输入电压的输入电压检测信号。导通时间确定电路接收输入电压检测信号，并根据输入电压检测信号和输出电压产生接通时间信号。驱动电路根据n次信号控制降压转换电路。

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