阅读说明：本技术 一种电感器模块 (Inductor module ) 是由 董文静 于 2019-09-23 设计创作，主要内容包括：本发明公开了一种电感器模块,包括第一电感器,包括第一电感器区域；以及第一电感器区域。第二电感器,包括第二电感器区域。第一电感器区域的第一重叠区域和第二电感器区域的第二重叠区域重叠。第二重叠区域包括至少一个第一磁方向区域和至少一个第二磁方向区域。第一磁方向区域的尺寸和第二磁方向区域的尺寸之间的比率是预定比率,使得第一电感器和第二电感器之间的耦合效应小于或等于预定值。(The invention discloses an inductor module, comprising a first inductor, a second inductor and a third inductor, wherein the first inductor comprises a first inductor area; and a first inductor region. A second inductor comprising a second inductor region. The first overlap region of the first inductor region and the second overlap region of the second inductor region overlap. The second overlapping area includes at least one first magnetic direction area and at least one second magnetic direction area. The ratio between the size of the first magnetic direction region and the size of the second magnetic direction region is a predetermined ratio such that the coupling effect between the first inductor and the second inductor is less than or equal to a predetermined value.)

1. An inductor module, comprising: a first inductor comprising a first inductor region; and a second inductor comprising a second inductor region; wherein a first overlap region of the first inductor region and a second overlap region of the second inductor region overlap, wherein the second overlap region comprises at least one first magnetic direction region and at least one second magnetic direction region; wherein a ratio of a size of the first magnetic direction region to a size of the second magnetic direction region is a predetermined ratio so that a coupling effect between the first inductor and the second inductor is less than or equal to a predetermined value.

2. The inductor module of claim 1, wherein the predetermined value is 0.

3. The inductor module of claim 1, wherein the predetermined ratio is 1.

4. The inductor module of claim 1, wherein the predetermined ratio is a positive rational number other than 1.

5. The inductor module of claim 1, wherein the first overlap region comprises a third overlap region and a fourth overlap region, wherein the third overlap region overlaps at least one of the first magnetic direction region and at least one second magnetic direction region, wherein the fourth overlap region overlaps at least one of the first magnetic direction region and at least one second magnetic direction region.

6. The inductor module of claim 5, wherein the first magnetic direction area overlapping the third overlap area and the second magnetic direction area overlapping the third overlap area have different dimensions.

7. The inductor module of claim 1, wherein the second inductor area is greater than the second overlap area.

8. The inductor module of claim 1, wherein the second overlap region comprises a current input terminal and a current output terminal, wherein a dimension of the second magnetic direction region is smaller than a dimension of the first magnetic direction region closer to the current input terminal and the current output terminal than the first magnetic direction region.

9. An inductor, comprising: an inductor region comprising at least one first magnetic direction region and at least one second magnetic direction region; wherein a ratio between a size of the first magnetic direction area and a size of the second magnetic direction area is a predetermined ratio such that a ratio between a net magnetic flux caused by the first magnetic direction area and a magnetic flux caused by the second magnetic direction is lower than or equal to a predetermined threshold.

Technical Field

The invention relates to the technical field of inductors and inductor modules, in particular to an inductor and an inductor module which are large in overlapping area and low in coupling effect.

Background

Fig. 1A, 1B are schematic diagrams showing a layout of an inductor module for the related art. The inductor module may include more than one inductor, for example, the figures 1A and 1B shown in inductors L _1 and L _2 illustrate the examples of figures 1A and 1B.

The inductors L _1 and L _2 may have an overlap area OA, which causes a coupling effect. The coupling effect is an inductive effect on another inductor by a magnetic field generated by a current flowing through the inductor. Therefore, if a low coupling effect is desired, the overlap area should be minimized. However, if the overlap area is small, the inductor module may occupy a large area.

Disclosure of Invention

It is therefore an object of the present application to provide an inductor module with a large overlap area and low coupling effects.

Another object is to provide an inductor that can adjust the magnetic flux provided by arranging its structure.

One embodiment of the present application provides an inductor module, comprising: a first inductor comprising a first inductor region; and a second inductor. A second inductor comprising a second inductor region. The first overlap region of the first inductor region and the second overlap region of the second inductor region overlap. The second overlapping area includes at least one first magnetic direction area and at least one second magnetic direction area. The ratio between the size of the first magnetic direction region and the size of the second magnetic direction region is a predetermined ratio such that the coupling effect between the first inductor and the second inductor is less than or equal to a predetermined value.

Another embodiment of the present application provides: an inductor, comprising: an inductor region comprising at least one first magnetic direction region and at least one second magnetic direction region. The ratio between the size of the first magnetic direction area and the size of the second magnetic direction area is a predetermined ratio such that the ratio between the net magnetic flux caused by the first magnetic direction area and the magnetic flux caused by the second magnetic direction is low. Or equal to a predetermined threshold.

In view of the above embodiments, the inductor module may have an overlapping area and a low coupling effect. Accordingly, the problems mentioned in the prior art can be solved. In addition, the coupling effect between the two inductors can be controlled by adjusting the structure of the inductors, which makes the inductor module more applicable. In addition, an inductor is provided which can adjust the magnetic flux provided by setting the structure thereof.

These and other objects of the present invention will no doubt become obvious to those of ordinary skill in the art after having read the following detailed description of the preferred embodiments which are illustrated in the various drawing figures and drawings.

Drawings

Fig. 1A, 1B are schematic diagrams showing a layout for a prior art inductor module;

fig. 2A, 2B are schematic diagrams illustrating an inductor module according to an embodiment of the present application;

FIG. 3A, FIG. 3B are schematic diagrams illustrating the operation of the embodiment shown in FIG. 2;

fig. 4A, 4B, 5A, 5B, 6A, 6B, 7A, 7B, 8A, 8B, 9 are schematic diagrams illustrating inductor modules according to other embodiments of the present application;

fig. 10 is a circuit diagram illustrating an exemplary application for an inductor module provided by the present application.

Detailed Description

As shown in fig. 2. In fig. 2A, the inductor module 200 includes a first inductor L _1 and a second inductor L _ 2. The first inductor L _1 comprises a first inductor area IA _1 and the second inductor L _2 comprises a second inductor area IA _ 2. The first overlap area IA _1 of the first inductor area and the second overlap area IA _2 of the second inductor area overlap. Note that the first overlap area and the second overlap area refer to an overlap area 1 of the first inductance zone IA _ and the second inductance zone IA _ 2. However, in order to simplify the drawings, the first overlap region and the second overlap region are not labeled in the drawings.

Further, the second overlap area includes at least one first magnetic direction area MA _1 and at least one second magnetic direction area MA _ 2. Further, a ratio 1 between the first magnetic direction area MA _ of one size and a ratio 2 of the second magnetic direction area MA _ of one size are a predetermined ratio such that a net magnetic flux, where the first magnetic direction area MA _1 and the second magnetic direction area MA _2 are low or equal to a predetermined value due to the first inductor L _ 1. That is, the ratio MA _1 between the areas of the first magnetic direction of the dimension and MA _2 of the second magnetic direction of the dimension are predetermined ratios such that the coupling effect 1 of L _ between the first inductors and the second inductor L _2 are low or equal to a predetermined value.

Please refer to fig. 1. Referring to fig. 3A, the operation of the inductor module 200 shown in fig. 2 is shown. 2A. As shown in fig. 2. Fig. 3A, the direction 1 of the magnetic flux for the first magnetic direction area MA _ is out, depending on the current I. Further, the direction 2 of the magnetic flux for the second magnetic direction area MA _ is, further, the ratio 1 between the first magnetic direction areas MA _ of one size and the second magnetic direction area MA _2 of the size are 1, that is, MA _1 of the first magnetic direction area of the size and 2 of the second magnetic direction area MA _ of the size are the same. Thus, the net magnetic flux, the first magnetic direction area MA _1 and the second magnetic direction area MA _2 is substantially 0, which means that the coupling effect 1 of L _ between the first inductors and the second inductor L _2 is substantially 0.

In addition, in the inductor module 200 shown in fig. 2, the inductor module 200 includes: in fig. 2A, the first magnetic direction area MA _1 and the second magnetic direction area MA _2 are in the form of a shape of 8. in addition, a drawing is shown for the number of coils 200 of the inductor module, however, the inductor module provided by the present application is not limited to the inductor module 200 shown in fig. 2A. For example, the inductor module 210 shown in fig. 2A may include: the 2BS shape has an S shape different from the structure of the inductor module 200 shown in fig. 2A.

In more detail, the current input terminal CI in fig. 3 is set to be the same as the input terminal CI. In fig. 2A, the current input terminal CI is shown in fig. 2A. 2B have different positions. In fig. 1, the number of coils in the first magnetic direction area MA _1 and the second magnetic direction area MA _2 is 2. Fig. 2A and the number 1 for the first magnetic direction area MA _ coil and the second magnetic direction area MA _2 are different in fig. 2B.

Fig. 3B illustrates the operation of the inductor module 210 shown in fig. 2A. As shown in fig. 3B, the direction MA _1 for the magnetic flux in the first magnetic direction region is out. Further, the direction 2 of the magnetic flux for the second magnetic direction area MA _ is, further, the ratio 1 between the first magnetic direction areas MA _ of one size and the MA _2 of the large and small second magnetic direction areas MA _2 are 1, that is, MA _1 of the first magnetic direction areas of one size and MA _2 of the large and small second magnetic direction areas MA _2 are the same. Thus, the net magnetic flux, the first magnetic direction area MA _1 and the second magnetic direction area MA _2 is substantially 0, which means that the coupling effect 1 of L _ between the first inductors and the second inductor L _2 is substantially 0.

Further, the structure 1 of the first inductor L _ is not limited to the illustrated embodiment. Please refer to fig. 2A and fig. 2B. For example, the first inductor L _1 in the embodiment of fig. 1 may be the first inductor L _ 1. 2A has a square shape. However, in the embodiment of fig. 1, the first inductor L _1 is the first inductor L _ 1. Fig. 4A has a shape of 8. In such an embodiment, L _ overlap region 2 of the second inductor is smaller than second inductor area IA _ by 2. That is, certain portions IA _2 of the second inductor area do not overlap 1 with said first inductor area IA _ 2.

Also, in such an embodiment, second inductor region IA _2 includes a plurality of first magnetic direction regions MA _11 and MA _12, and a plurality of second magnetic direction regions MA _21 and MA _ 22. In addition, in such an embodiment, the magnetic flux MA _11 by the area of the first magnetic direction and the magnetic flux MA _22 by the area of the second magnetic direction are neutralized. Similarly, the magnetic flux MA _12 from the area of the first magnetic direction and the magnetic flux MA _21 from the area of the second magnetic direction are neutralized.

Further, in the embodiment of fig. 1, the first inductor L _1 includes a first inductor L _ 1. Fig. 4B includes structure 2 of a second inductor L _ in the same structure as fig. 2B of the illustrated embodiment. That is, in the embodiment of fig. 1, the number of coils for the first inductor L _1 is 0. 4B is more than one. The operation of the inductor module shown in fig. 1 may be performed. Fig. 4B is similar to the inductor module shown in fig. 3A. In fig. 2B, this is omitted here for the sake of brevity.

The embodiment shown in fig. 1 comprises: fig. 4A and 4B can be summarized as follows: a third overlap region is included in the first overlap region L _1 (an embodiment in which the region 11 including the first magnetic direction region MA _ and the second magnetic direction region MA _21 are in fig. 4A and the fourth overlap region (front) — this region includes the first magnetic direction region MA _12 and the second magnetic direction region MA _22 in fig. 4A). The third overlapping region overlaps with the at least one first magnetic direction region and the at least one second magnetic direction region. Also, the fourth overlapping area overlaps at least one of the first magnetic direction areas and at least one of the second magnetic direction areas.

In the above embodiment, the ratio 1 between the first magnetic direction areas MA _ of the size and 2 of the second magnetic direction areas MA _ of the size are 1. However, such a ratio is not limited to 1. The following examples illustrate such a situation. Note that for simplicity of the drawing, some symbols, such as the example diagrams shown in first inductor area IA _1 and second inductor area IA _ 2. Fig. 5A, 5B, 6A, 6B, 7A, 7B, 8A and 8B are not shown.

In the embodiment of fig. 1, fig. 5A, the first magnetic direction area MA _1 is smaller than the second magnetic direction area MA _ 2. Also, in the embodiment of fig. 1, the first magnetic direction area MA _1 is much smaller than the second magnetic direction area MA _2 in fig. 5B. In contrast, in the embodiment of fig. 1, fig. 6A, the first magnetic direction area MA _1 is larger than the second magnetic direction area MA _ 2. Also, in the embodiment of fig. 1, as shown in fig. 6B, the first magnetic direction area MA _1 is much larger than the second magnetic direction area MA _ 2.

The coupling effect is improved for the embodiment shown in fig. 1. Refer to fig. 5A and 5B. The embodiment shown in fig. 6A is weaker than the embodiment shown in fig. 5A. Refer to fig. 5A and 5B. Fig. 6B is a diagram in the illustrated embodiment due to a difference 1 between one size of first magnetic direction area MA _ and a size of 2 of second magnetic direction area MA _. Refer to fig. 5A and 5B. Fig. 6A is 1 and size second magnetic direction regions MA _2 smaller than the difference between the first magnetic direction regions MA _ of one size with respect to the embodiment shown in fig. 1, refer to fig. 5A and 5B. Thus, the coupling effect of the inductor module can be adjusted by 1 and by 2 of the second magnetic direction area MA _ by adjusting the ratio between the sized first magnetic direction areas MA _ to.

Fig. 7A, 7B, refer to fig. 8A and 8B. Fig. 8B shows a ratio of 1 between the first magnetic direction areas MA _ of one size and 2 to 1 of the second magnetic direction areas MA _ of one size in other embodiments. The positive rational numbers outside the illustrated embodiment fig. 7A are similar to the embodiment shown in fig. 6A. However, MA _11 of the size first magnetic direction area is larger than smaller 12 of the size first magnetic direction area MA _ and MA _21 of one size second magnetic direction area is smaller 22 than that of the size second magnetic direction area MA _ in embodiment fig. 7A. Similarly, 11 of the first magnetic direction area MA _ of dimensions is much smaller 12 than the first magnetic direction area MA _ of dimensions, and 21 of one size second magnetic direction area MA _ is much smaller than the size second magnetic direction area in the embodiment of fig. 4A.

In contrast, MA _11 of the first magnetic direction area of one size is larger than the first magnetic direction area of one size by 12, and MA _21 of the second magnetic direction area of one size is larger than that of the second magnetic direction area in the embodiment of fig. 4A, MA _ 2. Similarly, 11 of the first magnetic direction area MA _ of dimensions is much larger 12 than the first magnetic direction area MA _ of dimensions, and 21 of one size second magnetic direction area MA _ is much larger 22 than the size second magnetic direction area MA _ of dimensions in the embodiment of fig. 1.

The coupling effect is improved for the embodiment shown in fig. 1. Refer to fig. 7A and 7B. The embodiment of fig. 7A is weaker than the embodiment shown in fig. 7B. Refer to fig. 7A and 7B. FIG. 8B is a diagram of the embodiment shown due to the difference between the size of the regions of the first magnetic direction MA _11, MA _12 and the size of the regions of the second magnetic direction MA _21, MA _ 22. Refer to fig. 7A and 7B. Fig. 8A is a diagram of the sum dimension MA _21, MA _22 of the regions of MA _11, MA _12 second magnetic directions being smaller than the difference between the sizes of the regions of the first magnetic directions in the illustrated embodiment. Refer to fig. 7A and 7B. Thus, the coupling effect of the inductor module can be adjusted by 1 and by 2 of the second magnetic direction area MA _ by adjusting the ratio between the sized first magnetic direction areas MA _ to.

It will be appreciated that the embodiment shown in fig. 1 is exemplary. Fig. 7A, 7B, refer to fig. 8A and 8B. Fig. 8B can be summarized as: the second overlap area L _2 includes a current input terminal CI and a current output terminal CO (positions of CI and CO may be exchanged). The sizes MA _21, MA _22 of the areas of the second magnetic direction are those closer to the present input terminal CI and the current output terminals COMA _11, MA _12 of the area of the first magnetic direction are smaller (in another embodiment, larger) 11, MA _12 than the size of the area MA _ of the first magnetic direction.

In addition, the embodiment shown in fig. 1 also includes an embodiment. Fig. 7A, 7B, refer to fig. 8A and 8B. Fig. 8B can be summarized as: a third overlap region is included in the first overlap region L _1 (an embodiment in which the region 11 including the first magnetic direction region MA _ and the second magnetic direction region MA _21 are in fig. 7A and the fourth overlap region (front) — this region includes the first magnetic direction region MA _12 and the second magnetic direction region MA _22 in fig. 7A). The third overlapping region overlaps with the at least one first magnetic direction region and the at least one second magnetic direction region. Also, the fourth overlapping area overlaps at least one of the first magnetic direction areas and at least one of the second magnetic direction areas. Furthermore, the first magnetic direction region overlaps the third region (e.g., MA _ overlap 11 in FIG. 7A) and the second magnetic direction region (from MA _21 overlapping the third overlap region in FIG. 7A) has different dimensions.

In the above-described embodiment, the coil number of the first magnetic direction region is the same as the coil number of the second magnetic direction region. For example, fig. 2A shows that the number of coils 1 is 1 for the first magnetic direction area MA _ or the number of coils 2 is 1 for the second magnetic direction area MA _ and fig. 2B shows that the number of coils 1 is 2 for the first magnetic direction area MA _ or the number of coils 2 is 2 for the second magnetic direction area MA _ and the second magnetic direction area MA _ are not limited to the above. However, the number of coils in the first magnetic direction region and the number of coils in the second magnetic direction region may be different.

The number of coils MA _1 is larger than that of coils MA _2 for the first magnetic direction area than that of coils MA _ second magnetic direction area. Therefore, the magnetic flux caused by the first magnetic direction area MA _1 is stronger than the magnetic flux caused by the second magnetic direction area MA _ by 2 even if the magnitude is the same for the first magnetic direction area MA _1 and the size is the same for the second magnetic direction area MA _ 2. Similarly, the magnetic flux 2 of the second magnetic direction area MA _ caused by the same magnetic flux that the first magnetic direction area MA _1 may cause is different by assigning different coil numbers to the first magnetic direction area MA _1 and fig. 10, even though the size of the first magnetic direction area MA _1 and the size for the second magnetic direction area MA _2 are different, which is a circuit diagram showing an exemplary application for the inductor module provided by the present application. As shown in fig. 2. 10, inductors L _1, L _2 are applied to amplifier 1001. The inductors L _1, L _2 may have an overlapping area as shown in the above embodiments. However, the inductor provided by the present application is not limited to application to amplifiers.

Note that the second inductor L2 is not limited to applying 1 to the inductor L _ L. The second inductor L _2 is shown in different embodiments to be summarized as: an inductor, comprising: an inductor region comprising at least one region of a first magnetic direction and at least one region of a second magnetic direction. The ratio between the size of the first magnetic direction area and the size of the second magnetic direction area is a predetermined ratio such that the ratio between the net magnetic flux caused by the first magnetic direction area and the magnetic flux caused by the second magnetic direction is low.

In view of the above embodiments, the inductor module may have an overlapping area and a low coupling effect. Accordingly, the problems mentioned in the prior art can be solved. In addition, the coupling effect between the two inductors can be controlled by adjusting the structure of the inductors, which makes the inductor module more applicable. In addition, an inductor is provided which can adjust the magnetic flux provided by setting the structure thereof.

Those skilled in the art will readily observe that numerous modifications and alterations of the apparatus and method may be made while retaining the teachings of the invention. Accordingly, the above disclosure should be construed as limited only by the metes and bounds of the appended claims.