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公开(公告)号：US08710815B2
公开(公告)日：2014-04-29
申请号：US13160308
申请日：2011-06-14
IPC分类号： G05F1/575
CPC分类号： H02M3/156 , H02M2001/0032 , Y02B70/16
摘要： The present invention discloses a voltage regulator, and a control circuit and a control method therefor. The method for controlling a voltage regulator comprises: receiving a dynamic voltage identification signal which instructs the voltage regulator to change its output voltage to a target voltage, and generating a compensation signal to shorten an interval for the output voltage of the voltage regulator to reach the target voltage.
摘要翻译： 本发明公开了一种电压调节器及其控制电路及其控制方法。 用于控制电压调节器的方法包括：接收动态电压识别信号，其指示电压调节器将其输出电压改变到目标电压，并产生补偿信号以缩短电压调节器的输出电压的间隔以达到 目标电压。
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2.发明授权Enhanced phase control circuit and method for a multiphase power converter 有权用于多相电力转换器的增强型相位控制电路和方法公开(公告)号：US09461544B2
公开(公告)日：2016-10-04
申请号：US13447563
申请日：2012-04-16
CPC分类号： H02M3/1584 , H02M2001/0048 , Y02B70/1491
摘要： A multiphase power converter has a plurality of phase circuits, each of which provides a phase current when being active. During single-phase operation of the multiphase power converter, an enhanced phase control circuit and method monitor the summation of the phase currents, and when the summation becomes higher than a threshold, switch the multiphase power converter to a higher power zone to increase the number of active phases. A high efficiency and high reliability multiphase power converter is thus accomplished.
摘要翻译： 多相功率转换器具有多个相电路，每个相电路在有效时提供相电流。 在多相功率变换器的单相工作过程中，增强型相位控制电路和方法来监控相电流的相加，并且当总和高于阈值时，将多相功率转换器切换到较高的功率区以增加数量 的活跃阶段。 从而实现了高效率和高可靠性的多相功率转换器。
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公开(公告)号：US20120235659A1
公开(公告)日：2012-09-20
申请号：US13420201
申请日：2012-03-14
申请人： Wei-Jhih WEN , Ting-Hung WANG , Chia-Jung LEE , Shang-Ying CHUNG
发明人： Wei-Jhih WEN , Ting-Hung WANG , Chia-Jung LEE , Shang-Ying CHUNG
IPC分类号： G05F1/10
CPC分类号： H02M3/156 , H02M2001/0022
摘要： A control circuit for a switching voltage regulator is disclosed, having a charging circuit, a discharging circuit, and a charging-discharging control circuit. The charging circuit generates a charging current according to the input voltage and the output voltage of the switching voltage regulator for charging a capacitor. The discharging circuit generates a discharging current according to the output voltage of the switching voltage regulator for discharging the capacitor. The charging-discharging control circuit configures the charging circuit, the discharging circuit, and the switching voltage regulator according to the voltage of the capacitor for providing a control signal to configure the switching voltage regulator.
摘要翻译： 公开了一种用于开关电压调节器的控制电路，其具有充电电路，放电电路和充放电控制电路。 充电电路根据用于对电容器充电的开关电压调节器的输入电压和输出电压产生充电电流。 放电电路根据用于放电电容器的开关电压调节器的输出电压产生放电电流。 充放电控制电路根据用于提供控制信号的电容器的电压来配置充电电路，放电电路和开关稳压器，以配置开关电压调节器。
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4.发明申请Current mode switching regulator and control circuit and control method thereof 审中-公开电流模式开关调节器及其控制电路及其控制方法公开(公告)号：US20120098514A1
公开(公告)日：2012-04-26
申请号：US13065571
申请日：2011-03-24
申请人： Ting-Hung Wang , Chia-Jung Lee
发明人： Ting-Hung Wang , Chia-Jung Lee
IPC分类号： G05F1/618
CPC分类号： H02M3/156
摘要： The present invention discloses a current mode switching regulator, a control circuit of a switching regulator, and a control method of a switching regulator. The switching regulator includes a power stage driven by a driver voltage outputted from a driver circuit. And the power stage switches at least one power transistor to convert an input voltage to an output voltage. The present invention generates an error signal according to a feedback signal related to the output voltage, and adjusts an operation voltage supplied to the driver circuit according to the error signal.
摘要翻译： 本发明公开了一种电流模式开关调节器，开关调节器的控制电路和开关调节器的控制方法。 开关调节器包括由驱动器电路输出的驱动器电压驱动的功率级。 并且功率级切换至少一个功率晶体管以将输入电压转换为输出电压。 本发明根据与输出电压有关的反馈信号产生误差信号，根据误差信号调整提供给驱动电路的工作电压。
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5.发明申请Multi-phase switching regulator and driver circuit and control method thereof 审中-公开多相开关稳压器及其驱动电路及其控制方法公开(公告)号：US20120086418A1
公开(公告)日：2012-04-12
申请号：US12931189
申请日：2011-01-27
申请人： Chia-Jung Lee , Yuan-Huang Cheng , Ting-Hung Wang
发明人： Chia-Jung Lee , Yuan-Huang Cheng , Ting-Hung Wang
IPC分类号： G05F1/00
CPC分类号： H02M3/1584 , H02M1/36
摘要： The present invention discloses a multi-phase switching regulator, and a driver circuit and a control method thereof. The multi-phase switching regulator includes: at least two power stages each having at least one switching power transistor which switches to convert a common input voltage to a common output voltage according to PWM signals generated by corresponding PWM controllers, respectively; a feedback circuit, generating a feedback signal according to the output voltage; a current balance circuit, generating a current balance signal according to the currents of the power stages and a phase off signal to distribute current loading among the active power stages; and a soft shutdown control circuit, generating a soft shutdown control signal according to the phase off signal to gradually change the duty of a PWM signal corresponding to a power stage, so as to softly shut down the power stage to avoid a voltage undershoot.
摘要翻译： 本发明公开了一种多相开关调节器及其驱动电路及其控制方法。 多相开关调节器包括：至少两个功率级，每个功率级具有至少一个开关功率晶体管，其分别根据相应的PWM控制器产生的PWM信号来切换公共输入电压到公共输出电压; 反馈电路，根据输出电压产生反馈信号; 电流平衡电路，根据功率级的电流产生电流平衡信号和相位关闭信号，以在有功功率级之间分配电流负载; 和软关断控制电路，根据相位关闭信号产生软关断控制信号，逐渐改变对应于功率级的PWM信号的占空比，以便软抑制功率级以避免电压下冲。
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公开(公告)号：US20120062189A1
公开(公告)日：2012-03-15
申请号：US12928539
申请日：2010-12-14
申请人： Ting-Hung Wang , Chia-Jung Lee
发明人： Ting-Hung Wang , Chia-Jung Lee
IPC分类号： G05F1/10
CPC分类号： H02M3/156 , H02M2001/0009
摘要： The present invention discloses a switching regulator, and a control circuit and method for controlling a switching regulator. The switching regulator includes a power stage driven by a driver voltage outputted from a driver circuit. The present invention detects an input current to generate an input current detection signal, and adjusts an operation voltage supplied to the driver circuit according to the input current detection signal.
摘要翻译： 本发明公开了一种开关调节器，以及用于控制开关调节器的控制电路和方法。 开关调节器包括由驱动器电路输出的驱动器电压驱动的功率级。 本发明检测输入电流以产生输入电流检测信号，并根据输入电流检测信号调整提供给驱动电路的工作电压。
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公开(公告)号：US20090230932A1
公开(公告)日：2009-09-17
申请号：US12382017
申请日：2009-03-06
申请人： Ting-Hung Wang , Chia-Jung Lee , Liang-Pin Tai
发明人： Ting-Hung Wang , Chia-Jung Lee , Liang-Pin Tai
IPC分类号： G05F1/10
CPC分类号： H02M3/1584 , H02M2003/1566
摘要： A per-phase quick response generation circuit generates a quick response signal to determine a quick response pulse to be inserted into a pulse width modulation signal of the corresponding phase. The quick response pulse will force the upper power switch of the corresponding phase on to increase the current supply ability during load transition. A multi-phase voltage regulator with the quick response generation circuit can have different quick response pulse widths for the interleaved phases, so as to decrease the current imbalance period of the voltage regulator after load transition.
摘要翻译： 每相快速响应发生电路产生快速响应信号以确定要插入相应相位的脉宽调制信号的快速响应脉冲。 快速响应脉冲将强制相应相位的上电源开关增加负载转换期间的电流供应能力。 具有快速响应发生电路的多相电压调节器可以对交错相位具有不同的快速响应脉冲宽度，从而减小负载转换后电压调节器的电流不平衡周期。
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8.发明申请Multi-phase switching regulator and driver circuit and control method thereof 失效多相开关稳压器及其驱动电路及其控制方法公开(公告)号：US20120176105A1
公开(公告)日：2012-07-12
申请号：US13134035
申请日：2011-05-26
IPC分类号： G05F1/10
CPC分类号： H02M3/1584 , H02M2003/1586
摘要： The present invention discloses a multi-phase switching regulator, a driver circuit of a multi-phase switching regulator, and a control method of a multi-phase switching regulator. The multi-phase switching regulator includes: at least two power stages, switching power transistors in the power stages to convert an input voltage to an output voltage according to pulse width modulation (PWM) signals generated by corresponding PWM controllers respectively; and a current balance circuit, generating a current balance signal according to the current of the corresponding power stage and a phase adjustment signal to averagely distribute current over the active power stages. In the present invention, the gain of the current balance circuit is adjustable, to avoid or reduce output voltage overshoot and undershoot when the phase number changes, while the current balance function is still achieved in normal operation.
摘要翻译： 本发明公开了一种多相开关调节器，多相开关调节器的驱动电路以及多相开关调节器的控制方法。 多相开关稳压器包括：至少两个功率级，功率级中的开关功率晶体管，分别根据相应PWM控制器产生的脉冲宽度调制（PWM）信号将输入电压转换成输出电压; 以及电流平衡电路，根据相应功率级的电流产生电流平衡信号和相位调整信号，以平均分配有功功率级上的电流。 在本发明中，电流平衡电路的增益是可调节的，以避免或减少相位数变化时的输出电压过冲和下冲，同时在正常操作中仍然实现电流平衡功能。
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公开(公告)号：US08159805B2
公开(公告)日：2012-04-17
申请号：US12453447
申请日：2009-05-12
申请人： Chieh-Min Feng , Ting-Hung Wang
发明人： Chieh-Min Feng , Ting-Hung Wang
IPC分类号： H02H3/22
CPC分类号： H02M3/156
摘要： A quick response mechanism for a switching power system includes a detector and an adjustor connected to the detector. The detector is configured to directly monitor the drop of the output voltage of the switching power system so that a quick response could be immediately triggered when a load transient occurs. The adjustor is configured to adjust the duration of the quick response, thereby preventing the output voltage from undershoot or ringback.
摘要翻译： 用于开关电源系统的快速响应机构包括检测器和连接到检测器的调节器。 检测器被配置为直接监视开关电源系统的输出电压的下降，使得当负载瞬变发生时可以立即触发快速响应。 调整器配置为调整快速响应的持续时间，从而防止输出电压下冲或回铃。
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公开(公告)号：US08063617B2
公开(公告)日：2011-11-22
申请号：US12382017
申请日：2009-03-06
申请人： Ting-Hung Wang , Chia-Jung Lee , Liang-Pin Tai
发明人： Ting-Hung Wang , Chia-Jung Lee , Liang-Pin Tai
IPC分类号： G05F1/00
CPC分类号： H02M3/1584 , H02M2003/1566
摘要： A per-phase quick response generation circuit generates a quick response signal to determine a quick response pulse to be inserted into a pulse width modulation signal of the corresponding phase. The quick response pulse will force the upper power switch of the corresponding phase on to increase the current supply ability during load transition. A multi-phase voltage regulator with the quick response generation circuit can have different quick response pulse widths for the interleaved phases, so as to decrease the current imbalance period of the voltage regulator after load transition.
摘要翻译： 每相快速响应发生电路产生快速响应信号以确定要插入相应相位的脉宽调制信号的快速响应脉冲。 快速响应脉冲将强制相应相位的上电源开关增加负载转换期间的电流供应能力。 具有快速响应发生电路的多相电压调节器可以对交错相位具有不同的快速响应脉冲宽度，从而减小负载转换后电压调节器的电流不平衡周期。
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