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1. 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.

2. 发明授权

US09444339B2 DC-DC converter 有权
标题翻译： DC-DC转换器
公开(公告)号：US09444339B2
公开(公告)日：2016-09-13
申请号：US13894394
申请日：2013-05-14
申请人： GREEN SOLUTION TECHNOLOGY CO., LTD.
发明人： Li-Min Lee , Chao Shao , Shian-Sung Shiu , Quan Gan
IPC分类号： H02M3/158 , H02M3/156
CPC分类号： H02M3/158 , H02M3/156 , H02M2003/1566
摘要： A DC-DC converter, adapted to control a converting circuit to convert an input voltage into an output voltage, is disclosed. The converting circuit comprises a switch module and an LC filter, the switch module is coupled to the input voltage, and the LC filter is coupled to the switch module and provides the output voltage. The DC-DC converter comprises a system control circuit, a driver circuit, and an output voltage adjusting circuit. The system control circuit generates a switch control signal according to a reference voltage and a state of the LC filter. The driver circuit controls the switch module according to the switch control signal for adjusting the output voltage in response to the reference voltage. The output voltage adjusting circuit determines whether adjusting the output voltage toward a predetermined adjusting voltage according to an adjusting reference voltage and a detecting voltage indicative of the output voltage.
摘要翻译：公开了一种用于控制转换电路以将输入电压转换为输出电压的DC-DC转换器。转换电路包括开关模块和LC滤波器，开关模块耦合到输入电压，LC滤波器耦合到开关模块并提供输出电压。 DC-DC转换器包括系统控制电路，驱动电路和输出电压调节电路。系统控制电路根据参考电压和LC滤波器的状态产生开关控制信号。驱动器电路根据开关控制信号控制开关模块，用于响应于参考电压来调节输出电压。输出电压调节电路根据调整参考电压和表示输出电压的检测电压来确定是否朝向预定调整电压调节输出电压。

3. 发明授权

US09007041B2 Controller for protectively reducing an output of a converting circuit 有权
标题翻译：用于保护性地减少转换电路的输出的控制器
公开(公告)号：US09007041B2
公开(公告)日：2015-04-14
申请号：US13693990
申请日：2012-12-04
申请人： Green Solution Technology Co., Ltd.
发明人： Li-Min Lee , Chung-Che Yu , Shian-Sung Shiu , Quan Gan
IPC分类号： G05F1/565 , G05F1/595
CPC分类号： G05F1/595 , H02M1/32 , H02M3/156
摘要： A controller for protectively reducing an output of a converting circuit includes a feedback circuit, a logic control circuit, an over-state judgment circuit, and a protection control circuit, is disclosed. The feedback circuit generates a modulation signal according to an output of a converting circuit. The logic control circuit is coupled to the feedback circuit and controls the converting circuit according to the modulation signal for stabilizing the output of the converting circuit. The over-state judgment circuit receives an over-state reference signal and a detecting signal, and generates a protection signal in response to levels of the detecting signal and the over-state reference signal. The protection control circuit is coupled to the logic control circuit and the over-state judgment circuit and controls the logic control circuit to lower the output of the converting circuit when receiving the protection signal.
摘要翻译：公开了一种用于保护性地减小转换电路的输出的控制器，其包括反馈电路，逻辑控制电路，过状态判断电路和保护控制电路。反馈电路根据转换电路的输出产生调制信号。逻辑控制电路耦合到反馈电路，并根据调制信号控制转换电路，以稳定转换电路的输出。过状态判断电路接收过状态参考信号和检测信号，并且响应于检测信号和过度状态参考信号的电平而产生保护信号。保护控制电路耦合到逻辑控制电路和过状态判断电路，并且当接收到保护信号时，控制逻辑控制电路以降低转换电路的输出。

4. 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。

5. 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。

6. 发明授权

US09350347B2 Level shift circuit and DC-DC converter for using the same 有权
标题翻译：电平移位电路和使用其的DC-DC转换器
公开(公告)号：US09350347B2
公开(公告)日：2016-05-24
申请号：US14201917
申请日：2014-03-09
申请人： GREEN SOLUTION TECHNOLOGY CO., LTD.
发明人： Li-Min Lee , Chao Shao , Quan Gan , Yuan Cai
IPC分类号： H03L5/00 , H03K19/00 , H03K19/0185 , H02M3/158
CPC分类号： H03K19/0013 , H02M3/1588 , H03K19/018507 , Y02B70/1466
摘要： A level shift circuit and a DC-DC buck converter controller for using the same are disclosed. The level shift circuit is capable of detecting a state of a converting circuit, and avoids a current leakage when determining that the converting circuit is operating under a light-load. Therefore, the level shift circuit and the DC-DC converting controller provided by the present invention can reduce power consumption under the light-load and have power-saving advantage.
摘要翻译：公开了一种用于使用该电平移位电路和DC-DC降压转换器控制器。电平移位电路能够检测转换电路的状态，并且当确定转换电路在轻负载下操作时避免电流泄漏。因此，本发明提供的电平移动电路和DC-DC转换控制器可以降低轻负载时的功耗并具有省电优点。

7. 发明授权

US09013166B2 DC-DC converter controller 有权
标题翻译： DC-DC转换器控制器
公开(公告)号：US09013166B2
公开(公告)日：2015-04-21
申请号：US13964124
申请日：2013-08-12
申请人： Green Solution Technology Co., Ltd.
发明人： Li-Min Lee , Chao Shao , Quan Gan
IPC分类号： H02M3/156 , H02M1/00
CPC分类号： H02M3/156 , H02M2001/0025
摘要： In a DC-DC converter controller of the present invention, a ramp voltage for compensating a reference voltage is designed to have the same valley value or peak value irrespective of an input voltage and an output voltage of a controlled converting circuit when the controlled converting circuit operates in the steady state. Hence, the DC-DC converter controller of the present invention is capable of controlling the controlled converting circuit to accurately output the output voltage in different applications.
摘要翻译：在本发明的DC-DC转换器控制器中，用于补偿参考电压的斜坡电压被设计成具有相同的谷值或峰值，而与控制转换电路的输入电压和输出电压无关，当控制转换电路在稳定状态下运行。因此，本发明的DC-DC转换器控制器能够控制受控转换电路在不同应用中精确地输出输出电压。

8. 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。

9. 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。

10. 发明授权

US09263945B2 Constant on time control circuit and DC-DC converting circuit 有权
标题翻译：恒定的时间控制电路和DC-DC转换电路
公开(公告)号：US09263945B2
公开(公告)日：2016-02-16
申请号：US13893333
申请日：2013-05-13
申请人： GREEN SOLUTION TECHNOLOGY CO., LTD.
发明人： Li-Min Lee , Chao Shao , Shian-Sung Shiu , Quan Gan
IPC分类号： H02M1/14 , H02M3/158 , H02M3/156 , H02M1/00
CPC分类号： H02M3/1563 , H02M1/143 , H02M3/1588 , H02M2001/0019
摘要： A constant on time control circuit, configured to control a converting circuit to transform an input voltage into a stable output voltage, is disclosed. The constant on time control circuit comprises a comparing circuit and a logic circuit. The comparing circuit compares a reference signal and a voltage signal indicative of the output voltage and accordingly outputs a compared result signal. The logic circuit periodically controls the converting circuit to perform voltage transformation and makes a time period of a duty cycle in every cycle being substantially constant. A start point in time of every cycle is determined according to the compared result signal. The comparing circuit comprises a differential pair, a base current source and an extra current source. The base current source provides a bias current to the differential pair. The extra current source provides a substantial ramp current to one channel in the differential pair.
摘要翻译：公开了一种恒定的时间控制电路，其被配置为控制转换电路以将输入电压转换成稳定的输出电压。恒定的时间控制电路包括比较电路和逻辑电路。比较电路比较参考信号和表示输出电压的电压信号，从而输出比较结果信号。逻辑电路周期性地控制转换电路进行电压变换，并使每个周期中占空比的时间周期基本恒定。根据比较结果信号确定每个周期的起始点。比较电路包括差分对，基极电流源和额外电流源。基极电流源向差分对提供偏置电流。额外的电流源向差分对中的一个通道提供实质的斜坡电流。

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