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1.发明申请CONTROL CIRCUIT OF CURRENT MODE DC-DC CONVERTER AND CONTROL METHOD OF CURRENT MODE DC-DC CONVERTER 有权电流模式DC-DC转换器的控制电路和电流模式DC-DC转换器的控制方法公开(公告)号：US20080111530A1
公开(公告)日：2008-05-15
申请号：US11936933
申请日：2007-11-08
IPC分类号： G05F1/10
CPC分类号： H02M3/156 , H02M2001/0009
摘要： To provide a control circuit of a current mode DC-DC converter, a current mode DC-DC converter and a control method thereof having excellent high-speed responsiveness with respect to fluctuations in output voltage. The control circuit of the current mode DC-DC converter serves as a DC-DC converter 1 that controls a peak value of a coil current and comprises a window comparator that detects whether an output voltage VOUT is within a predetermined voltage range including a target voltage, and a peak current setting unit that sets a peak current setting value of a coil current to a lower limit value or an upper limit value in response to a high or low voltage level of the output voltage VOUT, in the case that the output voltage VOUT is not within the predetermined voltage range including the target voltage.
摘要翻译： 提供电流模式DC-DC转换器的控制电路，电流模式DC-DC转换器及其控制方法，其具有相对于输出电压波动的优异的高速响应性。 电流模式DC-DC转换器的控制电路充当DC-DC转换器1，其控制线圈电流的峰值，并且包括窗口比较器，其检测输出电压VOUT是否在包括目标电压的预定电压范围内 以及峰值电流设定单元，其在输出电压的情况下，将线圈电流的峰值电流设定值设定为响应于输出电压VOUT的高或低电压电平的下限值或上限值 VOUT不在包括目标电压的预定电压范围内。
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2.发明授权DC-DC converter with control circuit capable of generating step-up and step-down signals 有权具有能产生升压和降压信号的控制电路的DC-DC转换器公开(公告)号：US06731099B2
公开(公告)日：2004-05-04
申请号：US10083592
申请日：2002-02-27
申请人： Koichi Inatomi , Ryuta Nagai
发明人： Koichi Inatomi , Ryuta Nagai
IPC分类号： G05F1613
CPC分类号： H02M3/1588 , Y02B70/1466
摘要： A control circuit of a DC—DC converter including a switch circuit, which outputs a step-down control signal or a step-up control signal in response to a switching signal, and a switching signal generation circuit, which is connected to the switch circuit to generate the switching signal using a duty setting signal. The switching signal generation circuit decreases the number of external terminals in a semiconductor device having the control circuit.
摘要翻译： 一种DC-DC转换器的控制电路，包括响应于切换信号输出降压控制信号或升压控制信号的开关电路和连接到开关电路的开关信号产生电路 以使用占空比设定信号来产生开关信号。 切换信号发生电路减少具有控制电路的半导体器件中的外部端子的数量。
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3.发明授权Control circuit for power supply including a detection circuit and a regulation circuit for regulating switching timing 有权用于电源的控制电路包括检测电路和用于调节切换定时的调节电路公开(公告)号：US08988052B2
公开(公告)日：2015-03-24
申请号：US13088328
申请日：2011-04-15
CPC分类号： H02M3/156 , H02M3/1588 , H02M2001/0032 , Y02B70/1466 , Y02B70/16
摘要： A control circuit for controlling a power supply including a first switch and a second switch coupled in series between a first potential and a second potential. The control circuit includes a detection circuit that detects a magnitude relation of a voltage value at a node between the first and second switches and a reference value during a period in which the first switch and the second switch are inactivated. The detection circuit generates a control signal corresponding to the magnitude relation. A regulation circuit regulates a switching timing of the second switch in response to the control signal to decrease a difference between the voltage value at the node and the reference value.
摘要翻译： 一种用于控制包括在第一电位和第二电位之间串联耦合的第一开关和第二开关的电源的控制电路。 控制电路包括检测电路，其检测在第一开关和第二开关之间的节点处的电压值的大小关系和在第一开关和第二开关被停用的时段期间的参考值。 检测电路产生对应于幅度关系的控制信号。 调节电路响应于控制信号来调节第二开关的开关定时，以减小节点处的电压值与参考值之间的差。
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公开(公告)号：US08698465B2
公开(公告)日：2014-04-15
申请号：US13088328
申请日：2011-04-15
IPC分类号： G05F1/59
摘要： A control circuit for controlling a power supply including a first switch and a second switch coupled in series between a first potential and a second potential. The control circuit includes a detection circuit that detects a magnitude relation of a voltage value at a node between the first and second switches and a reference value during a period in which the first switch and the second switch are inactivated. The detection circuit generates a control signal corresponding to the magnitude relation. A regulation circuit regulates a switching timing of the second switch in response to the control signal to decrease a difference between the voltage value at the node and the reference value.
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公开(公告)号：US07936156B2
公开(公告)日：2011-05-03
申请号：US12136579
申请日：2008-06-10
IPC分类号： G05F1/40
CPC分类号： H02M3/1588 , Y02B70/1466
摘要： A first power supply line and having a first conductivity type a second transistor coupled between the first transistor and a second power supply line, and having the first conductivity type an output unit driving a first control signal causing the first transistor to become conductive, based on a drive voltage, and outputting the first control signal to the first transistor and a boot strap circuit including a capacitor having a first end coupled to a node of the first transistor and the second transistor and supplying the output unit with the drive voltage based on the capacitor, wherein an electric potential of the first end is reduced before the first transistor becomes conductive.
摘要翻译： 第一电源线并具有第一导电类型，第二晶体管耦合在第一晶体管和第二电源线之间，并且具有第一导电类型，驱动第一控制信号使第一晶体管导通的输出单元基于 驱动电压，并且将第一控制信号输出到第一晶体管，以及引导电路，其包括具有耦合到第一晶体管和第二晶体管的节点的第一端的电容器，并且基于该第一晶体管提供驱动电压 电容器，其中在所述第一晶体管导通之前所述第一端的电位减小。
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6.发明申请CONTROL CIRCUIT FOR SYNCHRONOUS RECTIFIER-TYPE DC-DC CONVERTER, SYNCHRONOUS RECTIFIER-TYPE DC-DC CONVERTER AND CONTROL METHOD THEREOF 有权同步整流器型DC-DC转换器，同步整流器型DC-DC转换器的控制电路及其控制方法公开(公告)号：US20080111531A1
公开(公告)日：2008-05-15
申请号：US11937818
申请日：2007-11-09
IPC分类号： G05F1/10
CPC分类号： H02M3/1588 , Y02B70/1466
摘要： To provide a control circuit for a synchronous rectifier-type DC-DC converter, a synchronous rectifier-type DC-DC converter and a control method thereof in which, in a light load state and a no-load state, an output voltage can be dropped to thus prevent an overshoot state from continuing. A synchronous rectifier-type DC-DC converter 10 and a control circuit 20A thereof comprising a first switching element FET1 that is made conductive when power is accumulated in an induction element L1, and a second switching element FET2 that is made conductive when power accumulated in induction element L1 is supplied to a load, also comprises a detecting unit COMP2 that detects that a value of an output voltage VOUT of the synchronous rectifier-type DC-DC converter 10A is a predetermined voltage value that is higher than a target voltage value, and control units COMP1 and OR1 that maintain the second switching element FET2 in a conductive state after discharge of the power accumulated in the induction element L1 is finished, based on the detection results of the detecting unit COMP2.
摘要翻译： 为了提供同步整流型DC-DC转换器的控制电路，同步整流型DC-DC转换器及其控制方法，其中在轻负载状态和空载状态下，输出电压可以是 从而防止过冲状态继续。 同步整流型DC-DC转换器10及其控制电路20A包括当在感应元件L 1中蓄电时导通的第一开关元件FET1和导通的第二开关元件FET2 当感应元件L 1中蓄积的功率被提供给负载时，还包括检测单元COMP2，该检测单元COMP2检测同步整流型DC-DC转换器10A的输出电压VOUT的值是预定的电压值， 高于目标电压值，并且在积累在感应元件L 1中的功率放电之后将第二开关元件FET 2维持在导通状态的控制单元COMP 1和OR 1基于检测的检测结果而完成 单位COMP 2。
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7.发明授权公开(公告)号：US08314599B2
公开(公告)日：2012-11-20
申请号：US12479014
申请日：2009-06-05
申请人： Ryuta Nagai
发明人： Ryuta Nagai
CPC分类号： H02M3/156
摘要： A DC-DC converter has an error amplifier, a first control unit and an oscillator. The error amplifier amplifies an error voltage between an output voltage and a set voltage, the output voltage being outputted from an inductance element by feeding an input voltage to an inductance element in a predetermined cycle. The first control unit controls the output voltage to a set voltage by causing a switching operation of a switch element in response to an output of the error amplifier, the switch element forming a path for input voltage feed to the inductance. The oscillator generates a periodical signal at the time of switching the switch element. The oscillator handles an oscillation cycle as a short cycle in comparison to any prior cycles, in response to a drop in the output voltage from the set voltage by an amount equivalent to a first voltage value or more.
摘要翻译： DC-DC转换器具有误差放大器，第一控制单元和振荡器。 误差放大器放大输出电压和设定电压之间的误差电压，通过以预定的周期将输入电压馈送到电感元件，从电感元件输出输出电压。 第一控制单元通过响应于误差放大器的输出而导致开关元件的开关操作来将输出电压控制为设定电压，开关元件形成用于输入电压馈送到电感的路径。 振荡器在切换开关元件时产生周期性信号。 响应于来自设定电压的输出电压的下降等于第一电压值或更多的量，振荡器与任何先前的周期相比较，处理作为短周期的振荡周期。
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8.发明授权DC-DC converter, power supply voltage supplying method, and power supply voltage supplying system 有权DC-DC转换器，电源电压供给方式和电源电压供给系统公开(公告)号：US07916503B2
公开(公告)日：2011-03-29
申请号：US12055437
申请日：2008-03-26
IPC分类号： H02M3/335
摘要： According to one aspect of the invention, a DC-DC converter including a soft-start function of a soft start in response to a soft-start signal, comprises: a detection circuit that detects whether the soft-start signal is active at an end of a soft-start operation; and an output voltage control circuit that controls an output voltage based on detection result of the detection circuit.
摘要翻译： 根据本发明的一个方面，一种DC-DC转换器，包括响应于软启动信号的软启动的软启动功能，包括：检测电路，用于检测软启动信号在末端是否有效 的软启动操作; 以及输出电压控制电路，其基于检测电路的检测结果来控制输出电压。
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公开(公告)号：US20080303500A1
公开(公告)日：2008-12-11
申请号：US12136579
申请日：2008-06-10
IPC分类号： G05F1/00
CPC分类号： H02M3/1588 , Y02B70/1466
摘要： A first power supply line and having a first conductivity type a second transistor coupled between the first transistor and a second power supply line, and having the first conductivity type an output unit driving a first control signal causing the first transistor to become conductive, based on a drive voltage, and outputting the first control signal to the first transistor and a boot strap circuit including a capacitor having a first end coupled to a node of the first transistor and the second transistor and supplying the output unit with the drive voltage based on the capacitor, wherein an electric potential of the first end is reduced before the first transistor becomes conductive.
摘要翻译： 第一电源线并具有第一导电类型，第二晶体管耦合在第一晶体管和第二电源线之间，并且具有第一导电类型，驱动第一控制信号使第一晶体管导通的输出单元基于 驱动电压，并且将第一控制信号输出到第一晶体管，以及引导电路，其包括具有耦合到第一晶体管和第二晶体管的节点的第一端的电容器，并且基于该第一晶体管提供驱动电压 电容器，其中在所述第一晶体管导通之前所述第一端的电位减小。
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10.发明申请DC-DC CONVERTER, POWER SUPPLY VOLTAGE SUPPLYING METHOD, AND POWER SUPPLY VOLTAGE SUPPLYING SYSTEM 有权直流 - 直流转换器，电源电压供应方式和电源电压供应系统公开(公告)号：US20080238394A1
公开(公告)日：2008-10-02
申请号：US12055437
申请日：2008-03-26
IPC分类号： G05F1/59
摘要： According to one aspect of the invention, a DC-DC converter including a soft-start function of a soft start in response to a soft-start signal, comprises: a detection circuit that detects whether the soft-start signal is active at an end of a soft-start operation; and an output voltage control circuit that controls an output voltage based on detection result of the detection circuit.
摘要翻译： 根据本发明的一个方面，一种DC-DC转换器，包括响应于软启动信号的软启动的软启动功能，包括：检测电路，用于检测软启动信号在末端是否有效 的软启动操作; 以及输出电压控制电路，其基于检测电路的检测结果来控制输出电压。
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