公开(公告)号：US07239114B2

公开(公告)日：2007-07-03

申请号：US10521853

申请日：2003-07-16

申请人： Thomas Dürbaum ,  Reinhold Elferich ,  Tobias Tolle

发明人： Thomas Dürbaum ,  Reinhold Elferich ,  Tobias Tolle

IPC分类号： G05F1/613

CPC分类号： H02M3/158 ,  H02M3/1588 ,  H02M2001/0051 ,  Y02B70/1466 ,  Y02B70/1491

摘要： Described herein is a DC/DC down converter which includes a synchronous rectifier, a switching element at its input side, an inductance at its output side and an auxiliary circuit which includes an auxiliary switching element, an auxiliary rectifier and an auxiliary inductance, the auxiliary circuit being coupled to the connection between the synchronous rectifier, the switching element at the input side and the inductance at the output side.

摘要翻译： 这里描述的是DC / DC下变频器，其包括同步整流器，其输入侧的开关元件，其输出侧的电感和包括辅助开关元件，辅助整流器和辅助电感的辅助电路，辅助电感器 电路耦合到同步整流器，输入侧的开关元件和输出侧的电感之间的连接。

公开(公告)号：US07839132B2

公开(公告)日：2010-11-23

申请号：US10534480

申请日：2003-11-05

申请人： Thomas Dürbaum ,  Reinhold Elferich ,  Tobias G. Tolle ,  Jeffery Olsen

发明人： Thomas Dürbaum ,  Reinhold Elferich ,  Tobias G. Tolle ,  Jeffery Olsen

IPC分类号： G05F1/00

CPC分类号： H02M3/158 ,  H02M2003/1566

摘要： A power converter comprising an inductor for receiving energy from a power supply, and connected to the inductor an output capacitor for providing an output voltage. In order to ensure a quick compensation of a reduction of load at the voltage output using few output capacitors, an additional current path is arranged in parallel either to the inductor or to the capacitor, which additional current path can be opened and closed. A current flowing through the additional current path reaches basically immediately a desired value, when the additional current path is opened. Feedback means are moreover provided for opening the additional current path, when the output voltage reaches a predetermined maximum value.

摘要翻译： 一种功率转换器，包括用于从电源接收能量的电感器，并且将电感器连接到用于提供输出电压的输出电容器。 为了确保使用少量输出电容器快速补偿在电压输出端的负载减小，额外的电流路径平行于电感器或电容器，该附加电流路径可以被打开和关闭。 当附加电流路径被打开时，流过附加电流路径的电流基本上达到期望值。 此外，当输出电压达到预定的最大值时，提供反馈装置用于打开附加电流路径。

公开(公告)号：US07141957B2

公开(公告)日：2006-11-28

申请号：US10527854

申请日：2003-09-17

申请人： Tobias Georg Tolle ,  Thomas Dürbaum ,  Reinhold Elferich

发明人： Tobias Georg Tolle ,  Thomas Dürbaum ,  Reinhold Elferich

IPC分类号： G05F1/618

CPC分类号： H02M1/38 ,  H03K17/6871

摘要： In known converter circuits switching losses occur, which are caused by reverse-recovery currents of a freewheeling diode. To reduce said switching losses it is proposed by the invention to drive the switching elements such that, upon switching from the second to the first switching element, the timing is controlled in such a manner that the shoot through currents and the conduction of the freewheeling diode are kept at a low value or, better still, are precluded. As regards the control mechanism, it is proposed to turn on the first switching element later if shoot through currents occur, and to turn on the first switching element sooner if conduction of the freewheeling diode occurs. Here, a time of overlap may be provided during which both switching elements are simultaneously conducting. For the control mechanism, the voltage across a switching element can be used as a measured input value.

摘要翻译： 在已知的转换器电路中，发生由续流二极管的反向恢复电流引起的开关损耗。 为了减少所述开关损耗，本发明提出驱动开关元件，使得在从第二开关元件切换到第一开关元件时，以这样的方式控制时序，使得续流二极管的通过电流和导通 保持在低价值，还是更好地排除。 关于控制机构，如果发生穿越电流，则提出稍后接通第一开关元件，并且如果发生续流二极管的导通，则更快地接通第一开关元件。 这里，可以提供两个开关元件同时导通的重叠时间。 对于控制机构，开关元件两端的电压可以用作测量的输入值。

公开(公告)号：US07579900B2

公开(公告)日：2009-08-25

申请号：US10567396

申请日：2004-08-09

申请人： Thomas Dürbaum

发明人： Thomas Dürbaum

IPC分类号： H01L35/00

CPC分类号： H03K17/0822 ,  H03K17/122 ,  H03K17/145 ,  H03K2017/0806

摘要： Since parallel MOSFETs are usually driven with one gate signal in power applications, the current sharing between the MOSFETs is automatically established with regard to the characteristics of the individual MOSFETs. This may lead to a large non-uniformity of the current distribution between the MOSFETs. According to the present invention, an individual control of the on-resistances of the MOSFETs is provided, which allows for an improved current sharing between paralleled MOSFETs.

摘要翻译： 由于并联MOSFET通常在功率应用中由一个栅极信号驱动，所以MOSFET之间的电流共享关于各个MOSFET的特性自动建立。 这可能导致MOSFET之间的电流分布的大的不均匀性。 根据本发明，提供对MOSFET的导通电阻的单独控制，这允许并联MOSFET之间的电流共享提高。

公开(公告)号：US07408270B2

公开(公告)日：2008-08-05

申请号：US10577980

申请日：2004-10-28

申请人： Thomas Dürbaum ,  Georg Sauerländer ,  Cornelis Johannes Adrianus Schetters

发明人： Thomas Dürbaum ,  Georg Sauerländer ,  Cornelis Johannes Adrianus Schetters

IPC分类号： H02J1/00 ,  H02J3/00

CPC分类号： H02J9/005 ,  H02M3/33561 ,  H02M2001/0032 ,  H02M2001/009 ,  Y02B70/16 ,  Y10T307/297 ,  Y10T307/484 ,  Y10T307/702

摘要： Usually, power supplies are not capable of switching off part of the outputs of a main power supply during stand-by. Due to this, stand-by power supplies are used in addition to operation power supplies. Consistent with an example embodiment, a forward converter is provided, including switches in the rectifier circuit thereof. Due to this, the rectifier circuits may be selectively switched on and off. Advantageously, this may allow that the main outputs of such a forward converter are switched off while on stand-by.

摘要翻译： 通常，电源不能在待机期间关闭主电源的部分输出。 因此，除了操作电源之外，还使用备用电源。 与示例性实施例一致，提供正向转换器，包括其整流电路中的开关。 由此，整流电路可以选择性地接通和断开。 有利地，这可以允许在待机时关闭这种正向转换器的主输出。

公开(公告)号：US07330046B2

公开(公告)日：2008-02-12

申请号：US10570211

申请日：2004-08-20

申请人： Thomas Dürbaum

发明人： Thomas Dürbaum

IPC分类号： G01R31/26

CPC分类号： H03K17/0822 ,  H01L2924/0002 ,  H03K17/122 ,  H03K2017/0806 ,  H01L2924/00

摘要： Power conversion circuits often consist of several MOSFETs operating in parallel. Due to thermal cycling and mechanical operations. MOSFETs or the respective electric connections of the MOSFETs may fail. For certain implementations, a diagnosis circuit for a plurality of parallel MOSFETs predicts or determines a possible failure on the basis of at least one of temperatures of the MOSFETs or gate voltages of the MOSFETs. In some applications, the MOSFETs are monitored to facilitate early determination of failures of the MOSFETs.

摘要翻译： 电源转换电路通常由几个并联工作的MOSFET组成。 由于热循环和机械操作。 MOSFET或MOSFET的相应电连接可能会失败。 对于某些实施方式，用于多个并联MOSFET的诊断电路基于MOSFET的温度或MOSFET的栅极电压中的至少一个来预测或确定可能的故障。 在某些应用中，监视MOSFET以便早期确定MOSFET的故障。

公开(公告)号：US07915991B2

公开(公告)日：2011-03-29

申请号：US10570692

申请日：2004-08-24

申请人： Eberhard Waffenschmidt ,  Thomas Dürbaum

发明人： Eberhard Waffenschmidt ,  Thomas Dürbaum

IPC分类号： H01F5/00

CPC分类号： H05K1/165 ,  H01F1/37 ,  H01F27/2804 ,  H01F41/046 ,  H01F2017/048 ,  H05K2201/086 ,  H05K2201/09063 ,  H05K2203/1572 ,  Y10T29/4902 ,  Y10T29/49073

摘要： Conventional transformers with fractional turns have pre-manufactured cores usually with a complicated structure. According to the present invention, a method is provided of manufacturing a planar transformer where a ferrite polymer compound is laminated to a PCB for forming the core of the transformer. Advantageously, this may allow for the provision of a cheap and robust transformer.

摘要翻译： 具有分数圈的常规变压器具有通常具有复杂结构的预制芯。 根据本发明，提供一种制造平面变压器的方法，其中铁氧体聚合物化合物被层压到用于形成变压器的芯的PCB上。 有利地，这可以允许提供廉价和鲁棒的变压器。

公开(公告)号：US07602229B2

公开(公告)日：2009-10-13

申请号：US10570743

申请日：2004-08-25

申请人： Tobias Georg Tolle ,  Thomas Dürbaum ,  Georg Sauerländer ,  Toni Lopez

发明人： Tobias Georg Tolle ,  Thomas Dürbaum ,  Georg Sauerländer ,  Toni Lopez

IPC分类号： H03K17/72

CPC分类号： H03K17/04163 ,  H03K17/04123 ,  H03K2217/0036

摘要： Resonant gate driver circuits provide for efficient switching of, for example, a MOSFET. However, often an operation of the resonant gate driver circuit does not allow for an application where high switching frequencies are required. According to the present invention, a pre-charging of the inductor of the resonant gate driver circuit is performed. This allows for a highly efficient and fast operation of the MOSFETs.

摘要翻译： 谐振栅极驱动器电路提供了例如MOSFET的有效切换。 然而，通常谐振栅极驱动器电路的操作不允许需要高开关频率的应用。 根据本发明，执行谐振栅极驱动电路的电感器的预充电。 这允许MOSFET的高效率和快速的操作。

公开(公告)号：US07538554B2

公开(公告)日：2009-05-26

申请号：US10596147

申请日：2004-11-24

申请人： Matthias Wendt ,  Thomas Dürbaum ,  Achim Hilgers ,  Rainer Kiewitt ,  Heiko Pelzer

发明人： Matthias Wendt ,  Thomas Dürbaum ,  Achim Hilgers ,  Rainer Kiewitt ,  Heiko Pelzer

IPC分类号： G01V3/00

CPC分类号： G01R33/3692 ,  G01R33/285 ,  G01R33/3628 ,  G01R33/3657

摘要： An MR apparatus has a resonant circuit, which is formed by an MR receiving coil (L1) and a capacitor (C1), and has an electronic control circuit (S) for switching the resonant circuit between two or more operating modes. The invention proposes that the electronic control circuit (S) be connected with a receiving device (L2) for wireless reception of a high-frequency electromagnetic control signal.

摘要翻译： MR装置具有由MR接收线圈（L1）和电容器（C1）形成的谐振电路，并且具有用于在两个或多个操作模式之间切换谐振电路的电子控制电路（S）。 本发明提出，电子控制电路（S）与用于无线接收高频电磁控制信号的接收装置（L2）连接。

公开(公告)号：US07907010B2

公开(公告)日：2011-03-15

申请号：US10552060

申请日：2004-03-25

申请人： Matthias Wendt ,  Iain Mosely ,  F. Javier Esguevillas ,  Thomas Dürbaum ,  Georg Sauerländer ,  Heinz Van Der Broeck

发明人： Matthias Wendt ,  Iain Mosely ,  F. Javier Esguevillas ,  Thomas Dürbaum ,  Georg Sauerländer ,  Heinz Van Der Broeck

IPC分类号： H03F3/217

CPC分类号： H03F3/2173 ,  H03F1/0227 ,  H03F1/304 ,  H03F1/3264 ,  H03F2200/459

摘要： Recently, the use of class-D audio amplifiers has become more and more widespread. In contrast to the generally employed class-AB linear amplification technology, class-D allows for improved efficiency. However, the class-D principle is known for its poor distortion characteristics. According to the present invention a digital amplifier (18) is provided for converting an audio signal to a power output, comprising a ripple suppression circuit (16) for suppressing voltage ripples in a supply voltage supplied to the bridge circuit with (6) at least one pair of switches. The ripple suppression circuit (16) suppresses ripples in the supply voltage supplied to a switch in the bridge circuit (6), which has been found to cause a major part of the distortions in the output signal of the digital amplifier (18).

摘要翻译： 近来，D类音频放大器的使用越来越广泛。 与通常使用的AB类线性放大技术相反，D类允许提高效率。 然而，D类原理由于其差的失真特性而已知。 根据本发明，提供一种数字放大器（18），用于将音频信号转换成功率输出，包括纹波抑制电路（16），用于抑制至少提供至（6）至桥电路的电源电压中的电压波动 一对开关 纹波抑制电路（16）抑制提供给桥式电路（6）中的开关的电源电压中的波纹，其已被发现导致数字放大器（18）的输出信号中的大部分失真。