CN104199535A - Digital power supply device and method - Google Patents
Digital power supply device and method Download PDFInfo
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- CN104199535A CN104199535A CN201410452773.3A CN201410452773A CN104199535A CN 104199535 A CN104199535 A CN 104199535A CN 201410452773 A CN201410452773 A CN 201410452773A CN 104199535 A CN104199535 A CN 104199535A
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Abstract
The invention provides a digital power supply device and method with which digital power faults can be analyzed offline. The device and method involve three power-on branch circuits. In normal work, the first power-on branch circuit charges a super capacitor, and the second power-on branch circuit supplies power to a digital power supply; under the condition that a mainboard power source is powered off, the third power-on branch circuit starts to work, and due to the high-power-density characteristic of the super capacitor, the super capacitor supplies power to all digital power chips and an internal integrated circuit bus I2C through hardware design in an automatic switching mode. Due to the digital power supply device and method, all register information of the digital power can be saved for a period of time even under the condition that no power is supplied to a mainboard, a development person can detach the mainboard during the period of time, the register information of all digital power chips can be read through an I2C input end, and faults can be diagnosed and analyzed offline.
Description
Technical field
The present invention relates to electronic hardware and relate to technology, relate in particular to a kind of digital power electric supply installation and method.
Background technology
Along with the development of digital control technology and the driving of the market demand, digital power is widely used in the high-end products such as server, it has realized the fusion of Digital and analog technology, very strong adaptability and dirigibility is provided, can directly monitor the temperature of power supply, defeated entry/exit electric current, defeated entry/exit voltage etc., the fault status information even information such as time mark can be stored in storer, facilitates fault diagnosis.But in the time that the failure condition of motherboard power supply power-off or off-line produces, due to each chip power-off of digital power, chip internal register cannot be preserved failure message, is therefore difficult to realize the problem points of Positioning Power fault in the situation that of off-line.
Summary of the invention
In order to address the above problem, the present invention proposes a kind of digital power electric supply installation and method, can, under motherboard power supply power-off or off-line case, carry out off-line diagnostic analysis to power fail.
In order to achieve the above object, the present invention proposes a kind of digital power electric supply installation, it is characterized in that, described device comprises the first energising branch road, the second energising branch road, the 3rd energising branch road and energy-storage travelling wave tube.
Described the first energising branch road, in the time that system power supply is powered, is described energy-storage travelling wave tube charging.
Described the second energising branch road, in the time that described system power supply is powered, is described digital power power supply.
Described the 3rd energising branch road, in the time that described system power supply is stopped power supply, is described digital power power supply by described energy-storage travelling wave tube.
Preferably, described energy-storage travelling wave tube is super capacitor Super CAP.
Preferably, described the first energising branch road comprises: the first on-off element (D1), vent diverter (R100) and described Super CAP; The positive pole of described the first on-off element (D1) is connected with system power supply (P3V3), the negative pole of described the first on-off element (D1) is connected with the one end of described (R100), the other end of described (R100) is connected with the positive pole of described Super CAP, the minus earth of described Super CAP.
Preferably, described the second energising branch road comprises: second switch element (D2); The positive pole of described second switch element (D2) is connected with system power supply (P3V3), and the negative pole of described second switch element (D2) is connected with the power supply input end (P3V3_Dual) of digital power.
Preferably, described the 3rd energising branch road comprises: described the 3rd on-off element (D3); The positive pole of described the 3rd on-off element (D3) is connected with the positive pole of described Super CAP, and the negative pole of described the 3rd on-off element (D3) is connected with the power supply input end P3V3_Dual of digital power.
The present invention also proposes a kind of digital power method of supplying power to, it is characterized in that, described method comprises that electric supply installation is set to the first energising branch road, the second energising branch road, the 3rd energising branch road and energy-storage travelling wave tube.
Described the first energising branch road, in the time that system power supply is powered, is described energy-storage travelling wave tube charging.
Described the second energising branch road, in the time of described system power supply power supply, is described digital power power supply.
Described the 3rd energising branch road, in the time that described system power supply is stopped power supply, is described digital power power supply by described energy-storage travelling wave tube.
Preferably, described energy-storage travelling wave tube is super capacitor Super CAP.
Preferably, the step that described the first energising branch road charges to described energy-storage travelling wave tube comprises: the first on-off element (D1) conducting, described system power supply is described Super CAP charging by the first on-off element (D1) and the vent diverter (R100) that connect successively.
Preferably, the step that described the second energising branch road is described digital power power supply comprises: second switch element (D2) conducting; Described system power supply is described digital power power supply by the power supply input end (P3V3_Dual) of described second switch element (D2) and digital power.
Preferably, the step that described the 3rd energising branch road is described digital power power supply comprises: the 3rd on-off element (D3) conducting; Described Super CAP electric discharge is described digital power power supply by the power supply input end P3V3_Dual of described the 3rd on-off element (D3) and digital power.
Compared with prior art, the present invention proposes a kind of digital power electric supply installation and method, described apparatus and method comprise three kinds of energising branch roads.When normal work, the first path branch road is super capacitor charging, and the second energising branch road is digital power power supply; The in the situation that of motherboard power supply power-off, the 3rd energising branch road is started working, and utilizes the high feature of power density of super capacitor, all digital power chips and internal integrate circuit bus I
2the power supply of C, all automatically switches to super capacitor by hardware design and powers.Even if the register information that the invention enables all digital powers also can be preserved a period of time without any power supply in the situation that at mainboard, research staff can during this period of time disassemble mainboard, by internal integrate circuit bus I
2the register information that C input end reads each digital power chip carries out off-line diagnostic analysis to fault, and then rapid orientation problem place.
Brief description of the drawings
Below the accompanying drawing in the embodiment of the present invention is described, the accompanying drawing in embodiment is for a further understanding of the present invention, is used from explanation the present invention with instructions one, does not form limiting the scope of the invention.
Fig. 1 is super capacitor power supply circuit of the present invention;
Fig. 2 is digital power structured flowchart of the present invention;
When Fig. 3 A is normal work, system power supply is super power supply charging, is the mode of operation schematic diagram of digital power power supply;
When Fig. 3 B is system cut-off, super capacitor is digital power and internal integrate circuit bus I
2the mode of operation schematic diagram of C power supply.
Embodiment
For the ease of those skilled in the art's understanding, below in conjunction with accompanying drawing, the invention will be further described, can not be used for limiting the scope of the invention.
Super capacitor development is in recent years also very fast, and more and more miniaturization, more and more cheaper.And it is high to have power density, discharge and recharge the time short, have extended cycle life, the advantage such as operating temperature range is wide.At substituting battery completely of some occasion, and widespread use.
The present invention utilizes the feature of digital power and super capacitor, and both are combined by hardware design.Proposed a kind of digital power electric supply installation and method of supporting off-line analysis digital power fault, described apparatus and method comprise three kinds of energising branch roads, and three kinds of mode of operations are provided respectively.When normal work, the first path branch road is super capacitor charging, and the second energising branch road is digital power power supply; The in the situation that of motherboard power supply power-off, the 3rd energising branch road is started working, and utilizes the high feature of power density of super capacitor, all digital power chips and internal integrate circuit bus I
2the power supply of C, all automatically switches to super capacitor by hardware design and powers.Even if the register information of all like this digital powers in the situation that also can be preserved a period of time without any power supply at mainboard, research staff can during this period of time disassemble mainboard, by internal integrate circuit bus I
2the register information that C input end reads each digital power chip carries out off-line diagnostic analysis to fault, and then rapid orientation problem place.
First-selection, as shown in Figure 1, the present invention proposes a kind of digital power electric supply installation, and described device comprises the first energising branch road, the second energising branch road, the 3rd energising branch road and energy-storage travelling wave tube.
Three kinds of energising branch roads provide respectively three kinds of mode of operations, and three kinds of mode of operations can be with reference to shown in figure 3 particularly.
The first energising branch road, in the time that system power supply is powered, is described energy-storage travelling wave tube charging.
The second energising branch road, in the time that described system power supply is powered, is described digital power power supply.
The 3rd energising branch road, in the time that described system power supply is stopped power supply, is described digital power power supply by described energy-storage travelling wave tube.
Wherein, the first energising branch road comprises: the first on-off element D1, charging current limiter resistance R 100 and super capacitor Super CAP.
Particularly, in this first energising branch road, the positive pole of the first on-off element D1 is connected with system power supply P3V3, and the first negative pole of on-off element D1 and one end of R100 are connected, and the other end of R100 is connected with the positive pole of Super CAP, the minus earth of Super CAP.
As shown in Figure 3A, while normally work, the 3rd energising branch road closure; System power supply P3V3 is Super CAP charging by the first on-off element D1, R100.
The second energising branch road comprises: second switch element D2.
Particularly, in described the second energising branch road, the positive pole of second switch element D2 is connected with system power supply P3V3, and the negative pole of second switch element D2 is connected with the power supply input end P3V3_Dual of digital power.
As shown in Figure 3A, while normally work, the 3rd energising branch road closure; The power supply input end P3V3_Dual of system power supply P3V3 by second switch element D2 and digital power provides the power supply VCC of digital form for digital power.
The 3rd energising branch road comprises: the 3rd on-off element D3.
Particularly, in described the 3rd energising branch road, the positive pole of described the 3rd on-off element D3 is connected with the positive pole of Super CAP, and the negative pole of described the 3rd on-off element D3 is connected with P3V3_Dual.
As shown in Figure 3 B, in the time of mainboard power-off or off-line, the first energising branch road and the second energising branch road closure, the 3rd energising branch road conducting, Super CAP electric discharge, the power supply input end P3V3_Dual that is digital power by the 3rd on-off element D3 and internal integrate circuit bus I
2c power supply.The various chips of digital power are normally worked.As shown in Figure 2, P3V3_Dual is the power supply power to digital power chip and I2C power supply specially.Now, system power supply P3V3 is 0V, because super capacitor is powered to P3V3_Dual by D3, this time digital power and I
2c has electricity.
Preferably, the on-off element in the present invention can be diode, and vent diverter can be charging current limiter resistance.
This digital power electric supply installation can be supported off-line analysis digital power fault, in the time of mainboard power-off or off-line, due to Super CAP power supply, VCC has electricity and exists always, there is no enable signal EN, and the chip of described digital power is in quiescent operation state, current sinking is in uA level, the information of the internal register of chip is saved, and during mainboard power-off or off-line, maintainer uses I
2c analysis tool is connected to I
2on C connector, read the information of the described internal register of each described chip, carry out fault analysis.Where out of jointly can find out after fast.
In addition, the invention allows for a kind of digital power method of supplying power to, described method comprises that electric supply installation is set to the first energising branch road, the second energising branch road, the 3rd energising branch road, and energy-storage travelling wave tube, and three kinds of energising branch roads are worked under three kinds of mode of operations.Three kinds of mode of operations can be with reference to shown in figure 3 particularly.
The first energising branch road, in the time that system power supply is powered, is energy-storage travelling wave tube charging.
The second energising branch road, in the time that system power supply is powered, is digital power power supply.
The 3rd energising branch road, in the time that described system power supply is stopped power supply, is digital power power supply by energy-storage travelling wave tube.
Preferably, this energy-storage travelling wave tube is super capacitor Super CAP.
Wherein, the first energising branch road comprises: the first on-off element D1, charging current limiter resistance R 100 and super capacitor Super CAP.
Particularly, in this first energising branch road, the positive pole of the first on-off element D1 is connected with system power supply P3V3, and the first negative pole of on-off element D1 and one end of R100 are connected, and the other end of R100 is connected with the positive pole of Super CAP, the minus earth of Super CAP.
As shown in Figure 3A, while normally work, the 3rd energising branch road closure; System power supply P3V3 is Super CAP charging by the first on-off element D1, R100.
The second energising branch road comprises: second switch element D2.
Particularly, in described the second energising branch road, the positive pole of second switch element D2 is connected with system power supply P3V3, and the negative pole of second switch element D2 is connected with the power supply input end P3V3_Dual of digital power.
As shown in Figure 3A, while normally work, the 3rd energising branch road closure; The power supply input end P3V3_Dual of system power supply P3V3 by second switch element D2 and digital power provides the power supply VCC of digital form for digital power.
The 3rd energising branch road comprises: the 3rd on-off element D3.
Particularly, in described the 3rd energising branch road, the positive pole of described the 3rd on-off element D3 is connected with the positive pole of Super CAP, and the negative pole of described the 3rd on-off element D3 is connected with P3V3_Dual.
As shown in Figure 3 B, in the time of mainboard power-off or off-line, the first energising branch road and the second energising branch road closure, the 3rd energising branch road conducting, Super CAP electric discharge, the power supply input end P3V3_Dual that is digital power by the 3rd on-off element D3 and internal integrate circuit bus I
2c power supply.The various chips of digital power are normally worked.As shown in Figure 2, P3V3_Dual is the power supply power to digital power chip and I2C power supply specially.Now, system power supply P3V3 is 0V, because super capacitor is powered to P3V3_Dual by D3, this time digital power and I
2c has electricity.
Preferably, the on-off element in the present invention can be diode, and vent diverter can be charging current limiter resistance.
This digital power electric supply installation can be supported off-line analysis digital power fault, in the time of mainboard power-off or off-line, due to Super CAP power supply, VCC has electricity and exists always, there is no enable signal EN, and the chip of described digital power is in quiescent operation state, current sinking is in uA level, the information of the internal register of chip is saved, and during mainboard power-off or off-line, maintainer uses I
2c analysis tool is connected to I
2on C connector, read the information of the described internal register of each described chip, carry out fault analysis.Where out of jointly can find out after fast.
It should be noted that; above-described embodiment understands for the ease of those skilled in the art; be not limited to protection scope of the present invention; do not departing under the prerequisite of inventive concept of the present invention, any apparent replacement and improvement etc. that those skilled in the art make the present invention are all within protection scope of the present invention.
Claims (10)
1. a digital power electric supply installation, is characterized in that, described device comprises the first energising branch road, the second energising branch road, the 3rd energising branch road and energy-storage travelling wave tube;
Described the first energising branch road, in the time that system power supply is powered, is described energy-storage travelling wave tube charging;
Described the second energising branch road, in the time that described system power supply is powered, is described digital power power supply;
Described the 3rd energising branch road, in the time that described system power supply is stopped power supply, is described digital power power supply by described energy-storage travelling wave tube.
2. the method for claim 1, is characterized in that, described energy-storage travelling wave tube is super capacitor Super CAP.
3. method as claimed in claim 1 or 2, is characterized in that, described the first energising branch road comprises: the first on-off element (D1), vent diverter (R100) and described Super CAP; The positive pole of described the first on-off element (D1) is connected with system power supply (P3V3), the negative pole of described the first on-off element (D1) is connected with the one end of described (R100), the other end of described (R100) is connected with the positive pole of described Super CAP, the minus earth of described Super CAP.
4. the method for claim 1, is characterized in that, described the second energising branch road comprises: second switch element (D2); The positive pole of described second switch element (D2) is connected with system power supply (P3V3), and the negative pole of described second switch element (D2) is connected with the power supply input end (P3V3_Dual) of digital power.
5. method as claimed in claim 1 or 2, is characterized in that, described the 3rd energising branch road comprises: described the 3rd on-off element (D3); The positive pole of described the 3rd on-off element (D3) is connected with the positive pole of described Super CAP, and the negative pole of described the 3rd on-off element (D3) is connected with the power supply input end P3V3_Dual of digital power.
6. a digital power method of supplying power to, is characterized in that, described method comprises that electric supply installation is set to the first energising branch road, the second energising branch road, the 3rd energising branch road and energy-storage travelling wave tube;
Described the first energising branch road, in the time that system power supply is powered, is described energy-storage travelling wave tube charging;
Described the second energising branch road, in the time of described system power supply power supply, is described digital power power supply;
Described the 3rd energising branch road, in the time that described system power supply is stopped power supply, is described digital power power supply by described energy-storage travelling wave tube.
7. method as claimed in claim 6, is characterized in that, described energy-storage travelling wave tube is super capacitor Super CAP.
8. the method as described in claim 6 or 7, it is characterized in that, the step that described the first energising branch road charges to described energy-storage travelling wave tube comprises: the first on-off element (D1) conducting, described system power supply is described Super CAP charging by the first on-off element (D1) and the vent diverter (R100) that connect successively.
9. method as claimed in claim 6, is characterized in that, the step that described the second energising branch road is described digital power power supply comprises: second switch element (D2) conducting; Described system power supply is described digital power power supply by the power supply input end (P3V3_Dual) of described second switch element (D2) and digital power.
10. the method as described in claim 6 or 7, is characterized in that, the step that described the 3rd energising branch road is described digital power power supply comprises: the 3rd on-off element (D3) conducting; Described Super CAP electric discharge is described digital power power supply by the power supply input end P3V3_Dual of described the 3rd on-off element (D3) and digital power.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410452773.3A CN104199535A (en) | 2014-09-05 | 2014-09-05 | Digital power supply device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410452773.3A CN104199535A (en) | 2014-09-05 | 2014-09-05 | Digital power supply device and method |
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| CN104199535A true CN104199535A (en) | 2014-12-10 |
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| CN201410452773.3A Pending CN104199535A (en) | 2014-09-05 | 2014-09-05 | Digital power supply device and method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105095058A (en) * | 2015-08-27 | 2015-11-25 | 浪潮电子信息产业股份有限公司 | Design method applied to server offline diagnosis |
| CN108108291A (en) * | 2017-12-25 | 2018-06-01 | 曙光信息产业(北京)有限公司 | A kind of trouble-shooter of server |
| CN108874598A (en) * | 2018-05-24 | 2018-11-23 | 郑州云海信息技术有限公司 | A kind of memory failure information diagnosis system |
| CN113064778A (en) * | 2021-04-08 | 2021-07-02 | 中科可控信息产业有限公司 | Direct-insertion type hard disk backboard, offline diagnosis method thereof and server |
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| US20050285570A1 (en) * | 2004-06-29 | 2005-12-29 | Kumar Pavan M | Providing resilient power to a system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105095058A (en) * | 2015-08-27 | 2015-11-25 | 浪潮电子信息产业股份有限公司 | Design method applied to server offline diagnosis |
| CN108108291A (en) * | 2017-12-25 | 2018-06-01 | 曙光信息产业(北京)有限公司 | A kind of trouble-shooter of server |
| CN108874598A (en) * | 2018-05-24 | 2018-11-23 | 郑州云海信息技术有限公司 | A kind of memory failure information diagnosis system |
| CN113064778A (en) * | 2021-04-08 | 2021-07-02 | 中科可控信息产业有限公司 | Direct-insertion type hard disk backboard, offline diagnosis method thereof and server |
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