CN104991615A - Power module and motherboard system - Google Patents
Power module and motherboard system Download PDFInfo
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- CN104991615A CN104991615A CN201510342216.0A CN201510342216A CN104991615A CN 104991615 A CN104991615 A CN 104991615A CN 201510342216 A CN201510342216 A CN 201510342216A CN 104991615 A CN104991615 A CN 104991615A
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- power module
- chip
- mainboard
- resistor
- voltage conversion
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Abstract
The present invention provides a power module and a motherboard system. The power module comprises: a PCB, a voltage converting chip, an input capacitor, an output capacitor, an inductor, a chip peripheral device and a pluggable interface. The voltage converting chip, the input capacitor, the output capacitor, the inductor and the chip peripheral device are all arranged on the PCB. The pluggable interface may be inserted into an external motherboard, and on the PCB, the chip peripheral device and the input capacitor are separately located on two sides of the voltage converting chip. Further, the inductor is located below the voltage converting chip, and the output capacitor is located below the inductor. According to the scheme, artificial workloads of motherboard arrangement can be reduced.
Description
Technical field
The present invention relates to field of computer technology, particularly a kind of power module and a kind of main board system.
Background technology
Along with the progress increasingly of electronic utility, electronic product has goed deep into each market, and provides the voltage conversion operation of power source to become extremely important equally for electronic product.Voltage conversion operation is in the past all in the research and development of products stage, designs power conversion circuit by Power Engineer, then, is connected up, then through Power Engineer inspection, finally on mainboard, complete voltage conversion operation by laying slip-stick artist.Often different special projects, identical circuit, engineers all will carry out the replicate run of repetition, and this adds the workload that slip-stick artist lays on mainboard undoubtedly.
Summary of the invention
The invention provides a kind of power module and a kind of main board system, artificial mainboard can be reduced and lay workload.
A kind of power module, comprising:
Pcb board, voltage conversion chip, input capacitance, output capacitance, inductance, chip periphery device and pluggable interface; Wherein,
Described voltage conversion chip, input capacitance, output capacitance, inductance and chip periphery device are all laid on described pcb board;
Described pluggable interface can insert outside mainboard.
On described pcb board,
Described chip periphery device and described input capacitance lay respectively at the both sides of described voltage conversion chip; And
Described inductance is positioned at the bottom of described voltage conversion chip, and
Described output capacitance is positioned at the bottom of described inductance.
Described chip periphery device comprises: chip periphery capacitance resistance.
Described chip periphery resistance comprises pull-up resistor and pull down resistor.
The output voltage V of described power module
o=V
fb× (R
1+ R
2)/R
1
Wherein, described R1 is the resistance of described pull down resistor;
R2 is the resistance of described pull-up resistor;
Vfb is the magnitude of voltage of the feedback pin of voltage conversion chip.
Described pull-up resistor and pull down resistor are adjustable resistance, are tuning up R2, and when turning R1 down, the output voltage of power module is tuned up; Turning R2 down, when tuning up R1, the output voltage of power module is turned down.
Described pluggable interface is golden finger, and its thickness and width are determined according to default output current size.
A kind of main board system, comprises any one power module above-mentioned, and mainboard, wherein,
Described mainboard comprises interface;
Described power module is plugged on described mainboard by described pluggable interface.
Embodiments provide a kind of power module and a kind of main board system, power module is not directly laid on mainboard, but voltage conversion chip, input capacitance, output capacitance, inductance, chip periphery device to be all arranged on pcb board thus the independent current source modular structure of comprising modules, power module can be plugged on mainboard by pluggable interface.Effectively can reduce Power Engineer and lay the workload of slip-stick artist in server master board design.
Accompanying drawing explanation
Fig. 1 is the structural representation of power module inside in the embodiment of the present invention.
Fig. 2 is the structural representation of main board system in one embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
One embodiment of the invention (being designated as embodiment 1) proposes a kind of power module, see Fig. 1, comprising:
Pcb board 101, voltage conversion chip 102, input capacitance 103, output capacitance 104, inductance 105, chip periphery device 106 and pluggable interface 107; Wherein,
Voltage conversion chip 102, input capacitance 103, output capacitance 104, inductance 105, chip periphery device 106 are all laid on described pcb board 101;
Described pluggable interface 107 can insert outside mainboard.
See Fig. 1, power module is not directly laid on mainboard, but voltage conversion chip, input capacitance, output capacitance, inductance, chip periphery device to be all arranged on pcb board thus the independent current source modular structure of comprising modules, power module can be plugged on mainboard by pluggable interface.Effectively can reduce Power Engineer and lay the workload of slip-stick artist in server master board design.
See Fig. 1, in one embodiment of the invention (being designated as embodiment 2), on described pcb board 101,
Described chip periphery device 106 and described input capacitance 103 lay respectively at the both sides of described voltage conversion chip 102; And
Described inductance 105 is positioned at the bottom of described voltage conversion chip 102, and
Described output capacitance 104 is positioned at the bottom of described inductance 105.
It should be noted that, Fig. 1 is a kind of structure of possible power module, such as comprises each functional module in above-described embodiment 1 and embodiment 2 and laying mode thereof.In the business realizing of reality, also can convert the power module shown in Fig. 1, such as, do not adopt the laying mode shown in Fig. 1, or power module also can comprise other unshowned functional modules etc.
In an embodiment of the invention, can comprise in chip periphery device 106: chip periphery electric capacity and chip periphery resistance, and described chip periphery resistance comprises pull-up resistor and pull down resistor.
In an embodiment of the invention, the output voltage of power module is adjustable.Particularly, output voltage V
o=V
fb× (R
1+ R
2)/R
1
Wherein, described R
1for the resistance of described pull down resistor;
R
2for the resistance of described pull-up resistor;
V
fbfor the magnitude of voltage of the feedback pin of voltage conversion chip;
Wherein, described pull-up resistor and pull down resistor are adjustable resistance, are tuning up R2, and when turning R1 down, the output voltage of power module is tuned up; Turning R2 down, when tuning up R1, the output voltage of power module is turned down.
In an embodiment of the invention, described pluggable interface is golden finger, and its thickness and width are determined according to default output current size.
One embodiment of the invention also proposed a kind of main board system, see Fig. 2, comprises any one power module 201 above-mentioned, and mainboard 202, wherein,
Described mainboard 202 comprises interface;
Described power module 201 is plugged on the interface of described mainboard 202 by pluggable interface.
In an embodiment of the invention, such as, the pluggable interface of mainboard is golden finger, and the interface of mainboard is the slot corresponding with the golden finger in power module.Golden finger on power module is directly inserted in the draw-in groove of mainboard, completes required voltage transitions and to power output.
Each embodiment of the present invention at least has following beneficial effect:
1, power module is not directly laid on mainboard, but voltage conversion chip, input capacitance, output capacitance, inductance, chip periphery device to be all arranged on pcb board thus the independent current source modular structure of comprising modules, power module can be plugged on mainboard by pluggable interface.Effectively can reduce Power Engineer and lay the workload of slip-stick artist in server master board design.
2, all voltage transition elements are integrated on a slice pcb board, and pcb board limit is covered with golden finger, this pcb board vertically can be inserted in the draw-in groove of mainboard by golden finger.The size of the pcb board no matter shared by power module, this kind of power module only can take the space of a mainboard draw-in groove, greatly saves motherboard space.
3, the output voltage of power module is adjustable, by resistance R1 or R2 in change power module backfeed loop, realizes the adjustability of output voltage.
4, independently power module, can realize recycling, avoid power conversion circuit in prior art and be integrated on mainboard, once mainboard is scrapped, and the problem that power conversion circuit is also and then scrapped.
It should be noted that, in this article, the relational terms of such as first and second and so on is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element " being comprised a 〃 〃 〃 〃 〃 〃 " limited by statement, and be not precluded within process, method, article or the equipment comprising described key element and also there is other same factor.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within the scope of protection of the invention.
Claims (8)
1. a power module, is characterized in that, comprising:
Pcb board, voltage conversion chip, input capacitance, output capacitance, inductance, chip periphery device and pluggable interface; Wherein,
Described voltage conversion chip, input capacitance, output capacitance, inductance and chip periphery device are all laid on described pcb board;
Described pluggable interface can insert outside mainboard.
2. power module according to claim 1, is characterized in that, on described pcb board,
Described chip periphery device and described input capacitance lay respectively at the both sides of described voltage conversion chip; And
Described inductance is positioned at the bottom of described voltage conversion chip, and
Described output capacitance is positioned at the bottom of described inductance.
3. power module according to claim 1, is characterized in that, described chip periphery device comprises: chip periphery capacitance resistance.
4. power module according to claim 3, is characterized in that, described chip periphery resistance comprises pull-up resistor and pull down resistor.
5. power module according to claim 4, is characterized in that, the output voltage V of described power module
o=V
fb× (R
1+ R
2)/R
1
Wherein, described R1 is the resistance of described pull down resistor;
R2 is the resistance of described pull-up resistor;
Vfb is the magnitude of voltage of the feedback pin of voltage conversion chip.
6. power module according to claim 5, is characterized in that, described pull-up resistor and pull down resistor are adjustable resistance, are tuning up R2, and when turning R1 down, the output voltage of power module is tuned up; Turning R2 down, when tuning up R1, the output voltage of power module is turned down.
7., according to described power module arbitrary in claim 1 to 6, it is characterized in that, described pluggable interface is golden finger, and its thickness and width are determined according to default output current size.
8. a main board system, is characterized in that, comprises as the power module as described in arbitrary in claim 1 to 7, and mainboard, wherein,
Described mainboard comprises interface;
Described power module is plugged on described mainboard by described pluggable interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510342216.0A CN104991615A (en) | 2015-06-18 | 2015-06-18 | Power module and motherboard system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510342216.0A CN104991615A (en) | 2015-06-18 | 2015-06-18 | Power module and motherboard system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104991615A true CN104991615A (en) | 2015-10-21 |
Family
ID=54303431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510342216.0A Pending CN104991615A (en) | 2015-06-18 | 2015-06-18 | Power module and motherboard system |
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| Country | Link |
|---|---|
| CN (1) | CN104991615A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116204057A (en) * | 2023-05-05 | 2023-06-02 | 深圳市桑格尔科技股份有限公司 | Assembly component in computer server |
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| CN101655731A (en) * | 2008-08-22 | 2010-02-24 | 联想(北京)有限公司 | Switch power supply, computer mainboard and computer |
| CN102360242A (en) * | 2011-10-10 | 2012-02-22 | 浪潮电子信息产业股份有限公司 | Method for realizing modularized power supply of mainboard |
| CN202522996U (en) * | 2012-04-27 | 2012-11-07 | 浪潮电子信息产业股份有限公司 | Low-cost server central processing unit (CPU) power supply module device |
| CN202721605U (en) * | 2012-07-18 | 2013-02-06 | 深圳市杰和科技发展有限公司 | A one-input-and-multi-output power adapter module used for a miniature mainboard |
| CN204129663U (en) * | 2014-07-22 | 2015-01-28 | 中国长城计算机深圳股份有限公司 | A kind of press key locking control circuit and portable mobile terminal |
-
2015
- 2015-06-18 CN CN201510342216.0A patent/CN104991615A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101655731A (en) * | 2008-08-22 | 2010-02-24 | 联想(北京)有限公司 | Switch power supply, computer mainboard and computer |
| CN102360242A (en) * | 2011-10-10 | 2012-02-22 | 浪潮电子信息产业股份有限公司 | Method for realizing modularized power supply of mainboard |
| CN202522996U (en) * | 2012-04-27 | 2012-11-07 | 浪潮电子信息产业股份有限公司 | Low-cost server central processing unit (CPU) power supply module device |
| CN202721605U (en) * | 2012-07-18 | 2013-02-06 | 深圳市杰和科技发展有限公司 | A one-input-and-multi-output power adapter module used for a miniature mainboard |
| CN204129663U (en) * | 2014-07-22 | 2015-01-28 | 中国长城计算机深圳股份有限公司 | A kind of press key locking control circuit and portable mobile terminal |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116204057A (en) * | 2023-05-05 | 2023-06-02 | 深圳市桑格尔科技股份有限公司 | Assembly component in computer server |
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Application publication date: 20151021 |
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