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    POWER SOURCE INTERFACE MODULE WITH COMPACT EMI FILTER
    1.
    发明公开
    POWER SOURCE INTERFACE MODULE WITH COMPACT EMI FILTER 审中-公开
    具有紧凑型EMI滤波器的电源接口模块

    公开(公告)号：EP3235113A1

    公开(公告)日：2017-10-25

    申请号：EP14830422.3

    申请日：2014-12-18

    申请人： Telefonaktiebolaget LM Ericsson (publ)

    发明人： ANDERSSON, Mattias ,  ETSARE, Martin ,  FERM, Per ,  HOFFSTRÖM, Roger ,  PEREZ-URIA, Igor

    IPC分类号： H02M1/12 ,  H02M1/44

    摘要： The invention is directed towards a power source interface module for electronic circuits supplied by power from a power source as well as a power supply arrangement for electronic circuits comprising such a power source interface module. The module comprises a first circuit board carrying components, the first circuit board comprising a number of stacked circuit board layers as well as at least two openings, at least a part of a filter comprising at least one pair of magnetically coupled inductive coils, a core with two core legs, each core leg stretching through a corresponding opening in the circuit board, wherein each coil is wound around a corresponding core leg, the turns of the coils stretch through the circuit board layers, and each layer between an upper outer layer and a lower outer layer comprises at least a part of one turn.

    摘要翻译： 本发明针对用于由电源供电的电子电路供电的电源接口模块以及包括这种电源接口模块的用于电子电路的电源供应装置。 该模块包括承载部件的第一电路板（22），第一电路板（22）包括多个堆叠的电路板层以及至少两个开口（32,34,36,37），至少部分的 包括至少一对磁耦合感应线圈的滤波器，具有两个磁芯腿的磁芯，每个磁芯腿延伸穿过电路板（22）中的对应开口（32,34），其中每个线圈围绕相应的磁芯 腿，线圈的匝圈穿过电路板层，并且上外层和下外层之间的每个层包括一圈的至少一部分（24,26,28,30）。