-
公开(公告)号：US20110121653A1
公开(公告)日：2011-05-26
申请号：US12782533
申请日：2010-05-18
CPC分类号： H02J1/10 , H02J7/00 , H02J7/0068 , H02J7/34 , H02M3/156 , Y10T307/625
摘要： A system may include an electronic device configured to consume a supply current; an AC to DC adapter configured to be coupled to the electronic device, wherein the AC to DC adapter has a maximum rated output current; a battery configured to be coupled to the electronic device; DC to DC converter configured to be coupled to the battery and the electronic device; and a controller configured to couple the AC to DC adapter to the electronic device, the controller further configured to couple the DC to DC converter to the battery and the electronic device when the supply current exceeds the maximum rated output current of the AC to DC adapter.
摘要翻译： 系统可以包括被配置为消耗供电电流的电子设备; 配置为耦合到所述电子设备的AC至DC适配器，其中所述AC至DC适配器具有最大额定输出电流; 被配置为耦合到所述电子设备的电池; 配置为耦合到电池和电子设备的DC至DC转换器; 以及控制器，被配置为将AC耦合到DC适配器到电子设备，所述控制器还被配置为当电源电流超过AC至DC适配器的最大额定输出电流时，将DC耦合到DC转换器到电池和电子设备 。
-
公开(公告)号：US08350532B2
公开(公告)日：2013-01-08
申请号：US13042267
申请日：2011-03-07
IPC分类号： H02J7/04
CPC分类号： H01H47/00 , G06F1/263 , H02J4/00 , H02J7/0068 , H02M1/08 , H03K17/6874 , Y10T307/625 , Y10T307/696 , Y10T307/747
摘要： A power management system includes a first switch, a second switch, and a controller coupled to the first and second switches. The first switch has a first transfer terminal. The second switch has a second transfer terminal. The controller controls power conversion by turning on a third switch periodically. The first and second transfer terminals and a third transfer terminal of the third switch are coupled to a common node. The resistance between the first transfer terminal and the common node, the resistance between the second transfer terminal and the common node, and the resistance between the third transfer terminal and the common node are substantially equal to zero.
-
公开(公告)号：US06359796B2
公开(公告)日：2002-03-19
申请号：US09886910
申请日：2001-06-21
IPC分类号： H02H710
CPC分类号： H02M3/1584 , H02M2001/0045
摘要： An active transient-control circuit included in a power supply responds swiftly to changes occurring in the output-power voltage produced by a power converter to reduce transient changes in the output-power voltage caused by sudden, substantial changes in the electrical current drawn by the load. To respond in this way, when the output-power voltage has a magnitude less than a lower pre-established-voltage threshold, the active transient-control circuit supplies electrical energy directly to the load from the input electrical power thereby augmenting output electrical power supplied to the load by the power converter. Correspondingly, when the output-power voltage has a magnitude that exceeds an upper pre-established-voltage threshold, the active transient-control circuit draws electrical energy directly from the output of the power converter.
摘要翻译： 包括在电源中的主动瞬态控制电路迅速响应由功率转换器产生的输出功率电压中发生的变化，以减少由于由电源转换器产生的电流的突然的显着变化而导致的输出功率电压的瞬变 加载。 为了以这种方式进行响应，当输出功率电压具有小于较低的预建立电压阈值的幅度时，有源瞬态控制电路将电能从输入电力直接提供给负载，从而增加所提供的输出电力 由电力转换器负载。 相应地，当输出功率电压具有超过上限建立电压阈值的上限值时，有源瞬变控制电路直接从功率转换器的输出端吸取电能。
-
公开(公告)号：US08737099B2
公开(公告)日：2014-05-27
申请号：US13184327
申请日：2011-07-15
IPC分类号： H02M3/24
CPC分类号： H02M1/40 , H02M3/33507 , H02M2001/0022
摘要： In a controller for a power converter, a control terminal can provide a control signal to control a power converter. A cycle of the control signal includes a first time interval and a second time interval. The control circuitry can increase a primary current flowing through a primary winding of transformer circuitry and a secondary current flowing through a secondary winding of the transformer circuitry in the first time interval, and can terminate the increasing of the primary current in the second time interval. The control circuitry can also control the first time interval to be inversely proportional to an input voltage provided to the primary winding.
摘要翻译： 在功率转换器的控制器中，控制终端可以提供控制信号来控制功率转换器。 控制信号的周期包括第一时间间隔和第二时间间隔。 控制电路可以增加流过变压器电路的初级绕组的初级电流和在第一时间间隔内流过变压器电路的次级绕组的次级电流，并且可以在第二时间间隔内终止初级电流的增加。 控制电路还可以将第一时间间隔控制成与提供给初级绕组的输入电压成反比。
-
5.发明授权公开(公告)号：US08179105B2
公开(公告)日：2012-05-15
申请号：US12435537
申请日：2009-05-05
申请人： Laszlo Lipcsei
发明人： Laszlo Lipcsei
IPC分类号： G05F1/613
CPC分类号： H02M3/1588 , H02M2001/0009 , Y02B70/1466
摘要： A power converter can include a high-side switch coupled to a power supply terminal and selectively coupled to ground via a conduction path. During an on state duration, the high-side switch can be enabled and the conduction path can be disabled. During an off state duration, the high-side switch can be disabled and the conduction path can be enabled. During a skip state duration, the high-side switch and the conduction path both can be disabled. A controller coupled to the high-side switch can control the on state duration and the skip state duration based on a current reference. The controller can further generate a first control signal for controlling the high-side switch and the conduction path according to the on state duration and the skip state duration, and adjust an output current of the power converter to the current reference according to the first control signal.
摘要翻译： 功率转换器可以包括耦合到电源端子并且经由导电路径选择性地耦合到地的高侧开关。 在导通状态期间，可以使能高侧开关，并且可以禁用导通路径。 在关闭状态持续时间期间，可以禁用高侧开关，并且可以使能导通路径。 在跳过状态期间，高侧开关和导通路径都可以被禁用。 耦合到高侧开关的控制器可以基于当前参考来控制导通状态持续时间和跳过状态持续时间。 控制器可以进一步根据导通状态持续时间和跳过状态持续时间产生用于控制高侧开关和导通路径的第一控制信号，并且根据第一控制将功率转换器的输出电流调整为电流基准 信号。
-
公开(公告)号：US07656684B2
公开(公告)日：2010-02-02
申请号：US12111502
申请日：2008-04-29
申请人： Laszlo Lipcsei , Catalin Popovici
发明人： Laszlo Lipcsei , Catalin Popovici
IPC分类号： H02M3/335 , H02M3/24 , H02M7/5387
CPC分类号： H02M3/3376 , H02M3/33592 , H02M2001/0074 , Y02B70/1475
摘要： The present disclosure is directed towards a method for power conversion. The method may include controlling a first rectifier switch coupled to one end of a secondary winding of a transformer via a first control signal. The method may further include controlling a first low side switch via said first control signal, said first low side switch and a first high side switch coupled in series along a first path of a full bridge circuit, a first node located between said first high side switch and said first low side switch. The method may also include controlling a second rectifier switch coupled to an opposite end of said secondary winding via a second control signal. The method may additionally include controlling a second low side switch via said second control signal, said second low side switch and a second high side switch coupled in series along a second path of said full bridge circuit, a second node located between said second high side switch and said second low side switch, wherein said primary winding is coupled between said first node and said second node. Of course additional embodiments are also within the scope of the present disclosure.
摘要翻译： 本公开涉及一种用于功率转换的方法。 该方法可以包括经由第一控制信号来控制耦合到变压器的次级绕组的一端的第一整流器开关。 该方法还可以包括经由所述第一控制信号，所述第一低侧开关和沿全桥电路的第一路径串联耦合的第一高侧开关来控制第一低侧开关，位于所述第一高侧开关 开关和第一个低侧开关。 该方法还可以包括通过第二控制信号来控制耦合到所述次级绕组的相对端的第二整流开关。 该方法可以另外包括经由所述第二控制信号，所述第二低侧开关和沿所述全桥电路的第二路径串联耦合的第二高侧开关来控制第二低侧开关，位于所述第二高侧开关之间的第二节点 开关和所述第二低侧开关，其中所述初级绕组耦合在所述第一节点和所述第二节点之间。 当然，另外的实施例也在本公开的范围内。
-
公开(公告)号：US07202650B2
公开(公告)日：2007-04-10
申请号：US11269951
申请日：2005-11-09
IPC分类号： G05F1/40
CPC分类号： H02M3/156 , H02M3/157 , H02M3/1582 , H02M3/1588 , H02M2001/0009 , H02M2001/0012 , Y02B70/1466
摘要： A DC to DC converter to convert an input voltage to an output voltage. The DC to DC converter may include a pair of switches including a high side switch and a low side switch, an inductor coupled to the pair of switches; and a controller. The controller may be configured to estimate a zero crossing of an inductor current through the inductor without directly measuring said inductor current. An associated method is also provided.
摘要翻译： DC-DC转换器，用于将输入电压转换为输出电压。 DC到DC转换器可以包括一对开关，其包括高侧开关和低侧开关，耦合到所述一对开关的电感器; 和控制器。 控制器可以被配置为估计通过电感器的电感器电流的零交叉，而不直接测量所述电感器电流。 还提供了相关联的方法。
-
公开(公告)号：US20070040538A1
公开(公告)日：2007-02-22
申请号：US11502904
申请日：2006-08-11
申请人： Laszlo Lipcsei , Sorin Hornet
发明人： Laszlo Lipcsei , Sorin Hornet
IPC分类号： G05F1/00
CPC分类号： H02M1/143 , H02M3/1588 , Y02B70/1466
摘要： The DC/DC converter according to one embodiment includes a switch, an inductor, a capacitor, a resistor, and a voltage divider. The switch is coupled to the input voltage. The inductor is used for coupling the first switch to an output node of the DC/DC converter so as to generate the output voltage at the output node. The capacitor is coupled to the output voltage. The resistor is coupled to the capacitor in series, and is coupled to ground. The voltage divider is coupled across the capacitor so as to reduce the zero frequency of the DC/DC converter.
摘要翻译： 根据一个实施例的DC / DC转换器包括开关，电感器，电容器，电阻器和分压器。 开关耦合到输入电压。 电感用于将第一开关耦合到DC / DC转换器的输出节点，以在输出节点产生输出电压。 电容器耦合到输出电压。 电阻器串联耦合到电容器，并耦合到地。 分压器耦合在电容器两端，以便降低DC / DC转换器的零频率。
-
公开(公告)号：US20060203526A1
公开(公告)日：2006-09-14
申请号：US11379128
申请日：2006-04-18
申请人： Laszlo Lipcsei
发明人： Laszlo Lipcsei
IPC分类号： H02M3/24
CPC分类号： H02M3/156 , H02M1/15 , H02M3/1584 , H02M2003/1586
摘要： A DC to DC converter includes a comparator, a driver, and a pair of switches. The comparator compares the output voltage with a reference voltage signal and generates a PWM signal. The driver drives the switches so as to force the output voltage to follow the reference signal. In a multiphase architecture, two or more such converter circuits are incorporated to minimize the output voltage ripple and further reduce the recovery time. In a two-phase architecture, two reference signals are phase-shifted by 180 degrees. In an N-phase architecture, the reference signals are phase-shifted by 360/N degrees.
摘要翻译： DC-DC转换器包括比较器，驱动器和一对开关。 比较器将输出电压与参考电压信号进行比较，并产生PWM信号。 驱动器驱动开关，以迫使输出电压跟随参考信号。 在多相架构中，并入两个或多个这样的转换器电路以最小化输出电压纹波并进一步减少恢复时间。 在两相架构中，两个参考信号相移180度。 在N相结构中，参考信号相移360度/ N度。
-
公开(公告)号：US07031174B2
公开(公告)日：2006-04-18
申请号：US10648085
申请日：2003-08-26
申请人： Laszlo Lipcsei
发明人： Laszlo Lipcsei
IPC分类号： H02M7/44
CPC分类号： H02M3/156 , H02M1/15 , H02M3/1584 , H02M2003/1586
摘要： A DC-to-DC converter includes a comparator, a driver, and a pair of switches. The comparator compares the output voltage with a reference voltage signal and generates a PWM signal. The driver drives the switches so as to force the output voltage to follow the reference signal. In a multiphase architecture, two or more such converter circuits are incorporated to minimize the output voltage ripple and further reduce the recovery time. In a two-phase architecture, two reference signals are phase-shifted by 180 degrees. In an N-phase architecture, the reference signals are phase-shifted by 360/N degrees.
摘要翻译： DC-DC转换器包括比较器，驱动器和一对开关。 比较器将输出电压与参考电压信号进行比较，并产生PWM信号。 驱动器驱动开关，以迫使输出电压跟随参考信号。 在多相架构中，并入两个或多个这样的转换器电路以最小化输出电压纹波并进一步减少恢复时间。 在两相架构中，两个参考信号相移180度。 在N相结构中，参考信号相移360度/ N度。
-
-
-
-
-
-
-
-
-
搜索结果
80 条记录 (耗时 0.021 秒)
