CN107544654A - External ATX power supply and power supply switching control circuit - Google Patents
External ATX power supply and power supply switching control circuit Download PDFInfo
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- CN107544654A CN107544654A CN201710908661.8A CN201710908661A CN107544654A CN 107544654 A CN107544654 A CN 107544654A CN 201710908661 A CN201710908661 A CN 201710908661A CN 107544654 A CN107544654 A CN 107544654A
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 6
- 239000004065 semiconductor Substances 0.000 claims description 6
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- 238000010586 diagram Methods 0.000 description 5
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- 230000009286 beneficial effect Effects 0.000 description 3
- 230000001934 delay Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
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- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
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Abstract
The present disclosure provides an external ATX power supply comprising: the power supply conversion module is used for converting 12V input into ATX standard power supply voltage and an ATX power supply control signal according to an ATX power supply time sequence; and a power switching module for switching the 12V input to one or more controlled voltages. The present disclosure also provides a power switching control circuit. The external ATX power supply and the power supply switching control circuit can meet various power supply requirements, ATX power supply requirements and other power supply requirements simultaneously, can control power supply, and have certain flexibility.
Description
Technical field
This disclosure relates to power technique fields, and in particular to a kind of external ATX power modules and power supply switching control electricity
Road.
Background technology
With developing rapidly for computer technology, more different demands are it is also proposed to power supply, to meet some customizations
Using.The general ATX powers of in the market are limited, and powerful ATX power supplys price is higher.But in some special electricity
In the application of source, because there are standard ATX mainboards, there are ATX power supply requirements, while demand (such as some expansions for thering are other to power again
Exhibition card).At present, the high-power ATX power supplys of market generally use customization, using modularization output interface, can insert different connect
Mouthful meets the needs of different.Although there is interface limited with certain flexibility but shortcoming, it is impossible to be powered to each interface
Individually control, and it is expensive.
The content of the invention
(1) technical problems to be solved
, can be with present disclose provides a kind of external ATX power supplys and power supply control switching circuit in view of above-mentioned technical problem
Meet a variety of power demands, ATX power supply requirements and other power demands simultaneously, power supply can be controlled, had necessarily
Flexibility.
(2) technical scheme
According to an aspect of this disclosure, there is provided a kind of power supply control switching circuit, including：
Booster circuit, boost and export for 12V to be inputted；
First resistor R1, its first end are connected with the output end of the booster circuit；
First NMOS tube, its drain electrode are connected with the second end of the first resistor R1, its source ground；
Second resistance R2, it is connected with the grid of first NMOS tube；
3rd resistor R3, its first end are connected with the second end of the first resistor R1, and with first NMOS tube
Drain electrode connection；
Electric capacity C1, its first end are connected with the second end of the 3rd resistor R3, the second end ground connection；
Second NMOS tube, its grid are connected with the first end of the electric capacity C1 and connected with the second end of the 3rd resistor R3
Connect, drain electrode connects with 12V inputs, the output-controlled voltage of source electrode.
In some embodiments of the present disclosure, the booster circuit is used to export 12V input boostings for+18V_SB.
In some embodiments of the present disclosure, the source electrode output 12V controlled voltages of second NMOS tube.
In some embodiments of the present disclosure, the power supply control switching circuit also includes, diode, its positive pole with it is described
The drain electrode connection of first NMOS tube, negative pole are connected with the grid of second NMOS tube.
According to another aspect of the disclosure, a kind of external ATX power supplys are additionally provided, including：
Power transfer module, for 12V inputs is electric for ATX standard mains voltages and ATX according to ATX power supplys timing conversion
Source control signal；And
Power supply handover module, for 12V inputs to be switched into one or more controlled voltages.
In some embodiments of the present disclosure, the power supply handover module is used to 12V inputs switching to one or more
Controlled 12V voltages.
In some embodiments of the present disclosure, described external ATX power supplys also include, single Switching Power Supply, for inciting somebody to action
Alternating voltage input is converted to 12V DC voltage output, and 12V DC voltage is supplied into the power transfer module and described
Voltage switching module.
In some embodiments of the present disclosure, the power transfer module includes DC-DC power source chip, for being opened single
The 12V voltages of powered-down source output are ATX standard mains voltages and ATX power control signals according to ATX power supplys timing conversion.
In some embodiments of the present disclosure, the ATX standard mains voltages include+5V ,+3.3V；The ATX power supplys control
Signal processed includes PS_ON# ,+5VSB, PWR_OK.
In some embodiments of the present disclosure, by RC delay pattern control+5V ,+3.3V and the upper electricity of power supply is switched
Sequential.
In some embodiments of the present disclosure, the power supply handover module is switched using relay switching mode or metal-oxide-semiconductor
Mode.
In some embodiments of the present disclosure, the metal-oxide-semiconductor switching mode is that PMOS switching mode or NMOS tube switch
Mode.
In some embodiments of the present disclosure, the power supply handover module includes described power supply control switching circuit.
(3) beneficial effect
It can be seen from the above technical proposal that disclosure external ATX power supplys and power supply control switching circuit at least have
One of following beneficial effect：
(1) disclosure uses power transfer module and power supply handover module, so as to meet ATX power supply requirements and other power supplies
Demand, power supply can be controlled, there is certain flexibility.
(2) disclosure uses the switching mode of NMOS tube using power supply handover module, and cheap, internal resistance is small, and efficiency is more
Height, it is more to replace material.
(3) disclosure control switching circuit makes the parasitic capacitance of grid (Gate) more in NMOS gate connected in parallel diode
Fast release, so that Vgs declines rapidly, realizes and rapidly switches off.
Brief description of the drawings
By the way that shown in accompanying drawing, above and other purpose, the feature and advantage of the disclosure will become apparent from.In whole accompanying drawings
Identical reference indicates identical device.Deliberately accompanying drawing is not drawn by actual size equal proportion scaling, it is preferred that emphasis is show
Go out the purport of the disclosure.
Fig. 1 is according to embodiment of the present disclosure external ATX power supply function frame diagrams.
Fig. 2 is according to embodiment of the present disclosure external ATX power principle block diagrams.
Fig. 3 is according to embodiment of the present disclosure control switching circuit figure.
Embodiment
For the purpose, technical scheme and advantage of the disclosure are more clearly understood, below in conjunction with specific embodiment, and reference
Accompanying drawing, the disclosure is further described.
It should be noted that in accompanying drawing or specification description, similar or identical part all uses identical figure number.It is attached
The implementation for not illustrating or describing in figure, it is form known to a person of ordinary skill in the art in art.In addition, though this
Text can provide the demonstration of the parameter comprising particular value, it is to be understood that parameter is worth accordingly without being definitely equal to, but be able to can connect
The error margin received is similar to be worth accordingly in design constraint.The direction term mentioned in embodiment, such as " on ", " under ",
"front", "rear", "left", "right" etc., only it is the direction of refer to the attached drawing.Therefore, the direction term used is for illustrating not to use
To limit the protection domain of the disclosure.
Present disclose provides a kind of external ATX power supplys.Fig. 1 is according to embodiment of the present disclosure external ATX power supply functions
Frame diagram.As shown in figure 1, the disclosure is powered using the Switching Power Supply of single output, and single 12V output switch power sources, structure letter
Single, cheap, power can be very big；Output interface has a 24 pin ATX power supplys, 4 pin ATX power supplys, 4 pin SATA power supplys, and multiple
6 controlled pin PCIE power supplys.
Fig. 2 is according to embodiment of the present disclosure external ATX power principle block diagrams.As shown in Fig. 2 the external ATX electricity
Source includes：
Power transfer module, for 12V inputs is electric for ATX standard mains voltages and ATX according to ATX power supplys timing conversion
Source control signal；And
Power supply handover module, for 12V inputs to be switched into one or more controlled 12V voltages.
Wherein, described external ATX power modules can also further comprise：Single Switching Power Supply, for by alternating current
Pressure input is converted to 12V DC voltage output, and by power transfer module described in 12V DC control source and the voltage switching
Module.
The power transfer module may include DC-DC power source chip, for 12V to be inputted according to ATX power supply timing requirements
Change out the ATX standard mains voltages such as+5V ,+3.3V ,+5VSB.
Specifically, ATX standards regulation has the power supplys such as+5V ,+3.3V ,+12V, -12V and PS_ON# ,+5VSB, PWR_OK etc.
Power control signal.In the embodiment of the present disclosure, when for upper+12V_IN power supplys, voltage is switched with regard to direct generation+5VSB and power supply
About+18V_SB, and wait PS_ON# signals.When PS_ON# step-downs, power up is opened, there is provided extremely+5V power transfer modules,
+ 3.3V power transfer modules and power supply handover module, and by way of RC delays or CPLD, control+5V ,+3.3V and cut
The electrifying timing sequence of power supply (12V input powers or for switching the 5V that other are produced, 3.3V power supplys) is changed, to meet to require.As+5V
Power module ,+3.3V power modules and power supply handover module it is working properly after, signal working properly can be sent respectively, these
Signal wire is output to PWR_OK signals with after, represents that the ATX power works are normal.
12V inputs can be converted into by the power supply handover module by way of relay switching mode or metal-oxide-semiconductor switching
Controlled 12V comes to each independent module for power supply.The mode of the metal-oxide-semiconductor switching includes the mode and NMOS of PMOS switching
The mode of pipe switching.
In a specific embodiment of the disclosure, using relay switching mode, its principle is simple, control signal and controlled
Signal processed is completely isolated, but volume is larger, expensive, and dash current is larger, may cause input power overcurrent protection.
In a specific embodiment of the disclosure, by the way of PMOS switching.For PMOS, Vgs is that negative pressure can
With conducting, end during Vgs=0, therefore switching off and on for PMOS need not introduce higher voltage, implement easily,
But PMOS, because technique limits, expensive, internal resistance is larger, and efficiency is poor.
Preferably, in a specific embodiment of the disclosure, the switching control for 12V power supplys, switched using NMOS tube
Mode.For NMOS, Vgs is that malleation can just turn on, and is ended during Vgs=0, therefore NMOS switches off and on regard to needing to draw
Enter higher voltage, but NMOS, cheap, internal resistance is small, more efficient, and it is also more to replace material.
The disclosure additionally provides a kind of power supply control switching circuit.Fig. 3 is according to embodiment of the present disclosure power supply switching control
Circuit diagram.As shown in figure 3, the power supply control switching circuit, including：
Booster circuit, for 12V input boostings to be exported for 18V_SB；
First resistor R1, its first end are connected with the output end of the booster circuit；
First NMOS tube, its drain electrode are connected with the second end of the first resistor R1, source ground；
Second resistance R2, it is connected with the grid of first NMOS tube；
3rd resistor R3, its first end are connected with the second end of the first resistor R1, and with first NMOS tube
Drain electrode connection；
Electric capacity C1, its first end are connected with the second end of the 3rd resistor R3, the second end ground connection；
Second NMOS tube, its grid are connected with the first end of the electric capacity C1 and connected with the second end of the 3rd resistor R3
Connect, drain electrode connects with 12V inputs, source electrode output 12V controlled voltages.
Preferably, the control switching circuit also includes：Diode, its positive pole and the drain electrode of first NMOS tube connect
Connect, negative pole is connected with the grid of second NMOS tube.
Specifically, in the ATX power supplys of the disclosure, its power supply handover module may include above-mentioned control switching circuit, by 12V
Input is converted into controlled 12V and come to each independent module for power supply.The booster circuit can use single chip (charge pump
Or cheap simple boost chip) circuit provides high voltage, by 12V_IN boost in voltage to 18V_SB, with the switching to NMOS
Power supply is provided.
It should be noted that the control switching circuit can both use RC delays time to control, CPLD can also be used to control,
Load is opened by different delays successively, reduces dash current.In addition, during in order to turn off, NMOS close it is rapider,
NMOS grid can also an in parallel diode, the parasitic capacitance of grid (Gate) is faster discharged so that Vgs declines rapidly,
Reach the purpose rapidly switched off.
To sum up, present disclose provides a kind of external ATX power supplys and power supply control switching circuit, can meet simultaneously a variety of
Power demands, ATX power supply requirements and other power demands, power supply can be controlled, there is certain flexibility.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the application.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments in the case where not departing from spirit herein or scope.Therefore, the application
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
It should be noted that in accompanying drawing or specification text, the implementation that does not illustrate or describe is affiliated technology
Form known to a person of ordinary skill in the art, is not described in detail in field.In addition, the above-mentioned definition to each element and method is simultaneously
Various concrete structures, shape or the mode mentioned in embodiment are not limited only to, those of ordinary skill in the art can be carried out more to it
Change or replace.
Particular embodiments described above, the purpose, technical scheme and beneficial effect of the disclosure are carried out further in detail
Describe in detail bright, should be understood that the specific embodiment that the foregoing is only the disclosure, be not limited to the disclosure, it is all
Within the spirit and principle of the disclosure, any modification, equivalent substitution and improvements done etc., the guarantor of the disclosure should be included in
Within the scope of shield.
Claims (10)
1. a kind of power supply control switching circuit, including：
Booster circuit, boost and export for 12V to be inputted；
First resistor R1, its first end are connected with the output end of the booster circuit；
First NMOS tube, its drain electrode are connected with the second end of the first resistor R1, its source ground；
Second resistance R2, it is connected with the grid of first NMOS tube；
3rd resistor R3, its first end are connected with the second end of the first resistor R1, and with the drain electrode of first NMOS tube
Connection；
Electric capacity C1, its first end are connected with the second end of the 3rd resistor R3, the second end ground connection；
Second NMOS tube, its grid are connected with the first end of the electric capacity C1 and are connected with the second end of the 3rd resistor R3,
Drain electrode connects with 12V inputs, the output-controlled voltage of source electrode.
2. power supply control switching circuit according to claim 1, wherein, in addition to, diode, its positive pole and described first
The drain electrode connection of NMOS tube, negative pole are connected with the grid of second NMOS tube.
3. a kind of external ATX power supplys, including：
Power transfer module, it is ATX standard mains voltages and ATX power supply controls for 12V to be inputted according to ATX power supplys timing conversion
Signal processed；And
Power supply handover module, for 12V inputs to be switched into one or more controlled voltages.
4. external ATX power supplys according to claim 3, in addition to, single Switching Power Supply, for alternating voltage to be inputted
12V DC voltage output is converted to, and 12V DC voltage is supplied to the power transfer module and the voltage switching mould
Block.
5. external ATX power supplys according to claim 3, wherein, the power transfer module includes DC-DC power source core
Piece, the 12V voltages for single Switching Power Supply to be exported are electric for ATX standard mains voltages and ATX according to ATX power supplys timing conversion
Source control signal.
6. external ATX power supplys according to claim 3, wherein, the ATX standard mains voltages include+5V ,+3.3V；
The ATX power control signals include PS_ON# ,+5VSB, PWR_OK.
7. external ATX power supplys according to claim 6, wherein, by RC delay pattern control+5V ,+3.3V and cut
Change the electrifying timing sequence of power supply.
8. external ATX power supplys according to claim 3, wherein, the power supply handover module uses relay switching side
Formula or metal-oxide-semiconductor switching mode.
9. external ATX power supplys according to claim 8, wherein, the metal-oxide-semiconductor switching mode is PMOS switching mode
Or NMOS tube switching mode.
10. the external ATX power supplys according to any one of claim 3 to 9, wherein, the power supply handover module includes
Power supply control switching circuit as any one of claim 1 to 2.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710908661.8A CN107544654A (en) | 2017-09-29 | 2017-09-29 | External ATX power supply and power supply switching control circuit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710908661.8A CN107544654A (en) | 2017-09-29 | 2017-09-29 | External ATX power supply and power supply switching control circuit |
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| CN201710908661.8A Pending CN107544654A (en) | 2017-09-29 | 2017-09-29 | External ATX power supply and power supply switching control circuit |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108415331A (en) * | 2018-03-13 | 2018-08-17 | 算丰科技（北京）有限公司 | AI deep learnings board and its power source supply method |
| CN108681387A (en) * | 2018-05-16 | 2018-10-19 | 郑州云海信息技术有限公司 | A kind of power panel timing method |
| CN113630022A (en) * | 2021-08-26 | 2021-11-09 | 深圳市瑞声元科技有限公司 | ATX power supply control circuit and ATX power supply device |
| CN113765088A (en) * | 2020-05-28 | 2021-12-07 | Ovh公司 | Power supply assembly and power supply network |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005312218A (en) * | 2004-04-22 | 2005-11-04 | Nec Electronics Corp | Power supply switching circuit and portable electronic equipment |
| CN201097308Y (en) * | 2007-10-30 | 2008-08-06 | 李全忠 | Intelligent 3-in-1 computer power |
| CN203164864U (en) * | 2013-04-11 | 2013-08-28 | 深圳市杰和科技发展有限公司 | Video card timing-sequence power-on control circuit compatible with various ATX (advanced technology extended) power sources |
| CN103887870A (en) * | 2014-03-19 | 2014-06-25 | 青岛海洋地质研究所 | Intelligent power supply management circuit for seabed in-situ observation |
| CN104460930A (en) * | 2014-12-31 | 2015-03-25 | 广东威创视讯科技股份有限公司 | Achieving device of ATX standard power supply |
| CN204721083U (en) * | 2015-06-26 | 2015-10-21 | 天长市富安电子有限公司 | A kind of power supply switch circuit |
| CN206490494U (en) * | 2016-11-11 | 2017-09-12 | 浙江大华技术股份有限公司 | A kind of power transfer device and hardware platform system |
| CN207780713U (en) * | 2017-09-29 | 2018-08-28 | 北京嘉楠捷思信息技术有限公司 | External ATX power supply and power supply switching control circuit |
-
2017
- 2017-09-29 CN CN201710908661.8A patent/CN107544654A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005312218A (en) * | 2004-04-22 | 2005-11-04 | Nec Electronics Corp | Power supply switching circuit and portable electronic equipment |
| CN201097308Y (en) * | 2007-10-30 | 2008-08-06 | 李全忠 | Intelligent 3-in-1 computer power |
| CN203164864U (en) * | 2013-04-11 | 2013-08-28 | 深圳市杰和科技发展有限公司 | Video card timing-sequence power-on control circuit compatible with various ATX (advanced technology extended) power sources |
| CN103887870A (en) * | 2014-03-19 | 2014-06-25 | 青岛海洋地质研究所 | Intelligent power supply management circuit for seabed in-situ observation |
| CN104460930A (en) * | 2014-12-31 | 2015-03-25 | 广东威创视讯科技股份有限公司 | Achieving device of ATX standard power supply |
| CN204721083U (en) * | 2015-06-26 | 2015-10-21 | 天长市富安电子有限公司 | A kind of power supply switch circuit |
| CN206490494U (en) * | 2016-11-11 | 2017-09-12 | 浙江大华技术股份有限公司 | A kind of power transfer device and hardware platform system |
| CN207780713U (en) * | 2017-09-29 | 2018-08-28 | 北京嘉楠捷思信息技术有限公司 | External ATX power supply and power supply switching control circuit |
Non-Patent Citations (2)
| Title |
|---|
| 文和先;: "浅谈ATX型微机电源中的稳压控制电路", 科技创业月刊, no. 07, 10 July 2008 (2008-07-10), pages 151 - 153 * |
| 郑笑风: "一种加固型ATX电源的设计方案", 计算机与数字工程, vol. 30, no. 01, 20 February 2002 (2002-02-20), pages 7 - 12 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108415331A (en) * | 2018-03-13 | 2018-08-17 | 算丰科技（北京）有限公司 | AI deep learnings board and its power source supply method |
| CN108415331B (en) * | 2018-03-13 | 2021-02-09 | 北京比特大陆科技有限公司 | AI deep learning board card and power supply method thereof |
| CN108681387A (en) * | 2018-05-16 | 2018-10-19 | 郑州云海信息技术有限公司 | A kind of power panel timing method |
| CN108681387B (en) * | 2018-05-16 | 2021-06-29 | 郑州云海信息技术有限公司 | Power panel timing method |
| CN113765088A (en) * | 2020-05-28 | 2021-12-07 | Ovh公司 | Power supply assembly and power supply network |
| US11392183B2 (en) | 2020-05-28 | 2022-07-19 | Ovh | Power supply combination for delivering power at multiple voltages |
| US11449113B2 (en) | 2020-05-28 | 2022-09-20 | Ovh | Power supply combination having heterogeneous power supplies |
| US11487334B2 (en) | 2020-05-28 | 2022-11-01 | Ovh | Method and control circuit for controlling delivery of power to one or more servers |
| CN113630022A (en) * | 2021-08-26 | 2021-11-09 | 深圳市瑞声元科技有限公司 | ATX power supply control circuit and ATX power supply device |
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