CN109460138A - A kind of multiphase power supply method of adjustment and device - Google Patents
A kind of multiphase power supply method of adjustment and device Download PDFInfo
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- CN109460138A CN109460138A CN201811311847.6A CN201811311847A CN109460138A CN 109460138 A CN109460138 A CN 109460138A CN 201811311847 A CN201811311847 A CN 201811311847A CN 109460138 A CN109460138 A CN 109460138A
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- multiphase
- temperature
- power supply
- power stage
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/266—Arrangements to supply power to external peripherals either directly from the computer or under computer control, e.g. supply of power through the communication port, computer controlled power-strips
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/28—Supervision thereof, e.g. detecting power-supply failure by out of limits supervision
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3058—Monitoring arrangements for monitoring environmental properties or parameters of the computing system or of the computing system component, e.g. monitoring of power, currents, temperature, humidity, position, vibrations
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Abstract
The invention discloses a kind of multiphase power supply method of adjustment and devices, comprising: periodically obtains respective current information and temperature information respectively from each power stage that multiphase is powered；Judge whether multiphase power supply meets thermal balance according to the temperature information of each power stage；When multiphase power supply is unsatisfactory for thermal balance, the control signal of adjustment output electric current is generated according to the current information of each power stage and temperature information.Technical solution of the present invention can be mutually adjusted for different power supplies phases or different types of power supply, reached heat dissipation equilibrium, improved safety and controllability that multiphase is powered.
Description
Technical field
The present invention relates to computer fields, and more specifically, more particularly to a kind of multiphase power supply method of adjustment and dress
It sets.
Background technique
With the fast development of ic manufacturing technology, the performance of the CPU of server has obtained the raising of highly significant,
But power consumption also quicklys increase simultaneously, and which greatly enhances the requirements of the performance indexes of CPU power supply circuit.Server CPU at present
Power supply all use multiphase power supply technique, therefore the requirement for the electric property of CPU multiphase power supply technique, hot property etc.
It is more and more.Controller in the prior art obtains the output current value of each power stage by electric current sense (sensor), pursues
The electric current of each power stage is completely impartial, and then theoretically the temperature of each power stage is also impartial for electric current equalization.However in practical applications,
Each power supply is mutually usually disposed adjacent in pcb board, and the power supply phase factor two sides in medium position have other power supplies mutually to influence to dissipate
Thermal effect, so its actual temperature can be higher compared with other power stages and inductance, the power supply in two sides mutually radiate it is lower with temperature,
It causes the heat dissipation of each phase unbalanced, leads to the problem of safety and uncontrollable.
Radiate unbalanced problem when for the power supply arranged adjacent of multiphase in the prior art, and there has been no effective solutions at present
Scheme.
Summary of the invention
In view of this, the purpose of the embodiment of the present invention is to propose a kind of multiphase power supply method of adjustment and device, Neng Gouzhen
Mutually or different types of power supply is mutually adjusted to different power supplies, reach that heat dissipation is balanced, improve multiphase power supply safety and can
Controlling.
Based on above-mentioned purpose, the one side of the embodiment of the present invention provides a kind of multiphase power supply method of adjustment, including following
Step:
Timing obtains respective current information and temperature information from each power stage that multiphase is powered respectively；
Judge whether multiphase power supply meets thermal balance according to the temperature information of each power stage；
When multiphase power supply is unsatisfactory for thermal balance, adjustment output is generated according to the current information of each power stage and temperature information
The control signal of electric current.
In some embodiments, obtain current information and temperature information be obtained by the sensor that power stage integrates or
The information is obtained by the sensing circuit being additionally arranged；Wherein, it is mutual for obtaining current information and obtaining the behavior of temperature information
It is independent.
In some embodiments, judge multiphase power supply whether meet thermal balance include judge each power stage temperature whether
Whether the temperature difference of maximum temperature and minimum temperature is no more than scheduled temperature difference threshold value in identical or each power stage.
In some embodiments, control signal is configured to the output current reduction for the power stage for keeping temperature high and/or makes
The output electric current of the low power stage of temperature increases, thus the temperature for making multiphase power is identical or each power stage in maximum temperature with
The temperature difference of minimum temperature is no more than the degree of scheduled temperature difference threshold value.
In some embodiments, the output electric current of each power stage, which has, makes its electrical appliance be able to maintain normal work most
Small value and maximum value, wherein control signal makes the reduction for exporting electric current or increase to be no more than its minimum value and maximum value.
In some embodiments, multiphase power supply is powered to processor.
In some embodiments, control signal is pulse-width signal.
In some embodiments, power stage includes field-effect tube, wherein obtains current information and temperature from field-effect tube
Information simultaneously receives control signal using field-effect tube.
The another aspect of the embodiment of the present invention additionally provides a kind of multiphase power supply adjustment device, comprising:
Processor is connected to the power stage of multiphase power supply；With
Memory, is stored with the program code that processor can be run, and program code executes above-mentioned method when being run
To adjust the working condition for the power stage that multiphase is powered.
The another aspect of the embodiment of the present invention additionally provides a kind of charger, with above-mentioned multiphase power supply adjustment device.
The present invention has following advantageous effects: multiphase power supply method of adjustment provided in an embodiment of the present invention and device,
Respective current information and temperature information are obtained respectively by each power stage that timing is powered from multiphase, according to the temperature of each power stage
Degree information judges whether multiphase power supply meets thermal balance, when multiphase power supply is unsatisfactory for thermal balance, according to the electric current of each power stage
The technical solution of the control signal of information and temperature information generation adjustment output electric current, can be for different power supplies phases or inhomogeneity
The power supply of type is mutually adjusted, and reaches heat dissipation is balanced, and raising multiphase is powered safety and controllability.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Other embodiments are obtained according to these attached drawings.
Fig. 1 is the flow diagram of multiphase provided by the invention power supply method of adjustment；
Fig. 2 is controller-multiphase of multiphase provided by the invention power supply method of adjustment for electrical connection graph；
Fig. 3 is the multiphase power supply-CPU connection figure of multiphase provided by the invention power supply method of adjustment；
Fig. 4 is the detail flowchart of multiphase provided by the invention power supply method of adjustment.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, and reference
The embodiment of the present invention is further described in attached drawing.
It should be noted that all statements for using " first " and " second " are for differentiation two in the embodiment of the present invention
The non-equal entity of a same names or non-equal parameter, it is seen that " first ", " second " do not answer only for the convenience of statement
It is interpreted as the restriction to the embodiment of the present invention, subsequent embodiment no longer illustrates this one by one.
As shown in Fig. 2, server master board CPU power pack is made of polyphase circuit, every one-phase circuit is by input, defeated
Out, control three parts composition；By controller (Controller)+multiple power stages (Power Stage) and input and output electricity
Hold, inductance composition, power stage is integrated with MOSFET, and controller is mutual by the signals such as electric current sense and voltage sense with power stage
Even, controller controls the output of power stage by PWM.It is disposed adjacent on pcb board in each circuitry phase in mode as shown in Figure 3
(i.e. each power stage of Phase0, Phase1, Phase2, Phase3, Phase4, Phase5 and corresponding inductance are in pcb board
It is arranged as the row being mutually close to) in the case where, mutually necessarily heat dissipation is uneven for each power supply.
Based on above-mentioned purpose, the first aspect of the embodiment of the present invention, propose one kind can for different power supplies phases or
The embodiment of the different types of method being mutually adjusted of powering.Shown in fig. 1 is multiphase power supply provided by the invention adjustment side
The flow diagram of the embodiment of method.
The multiphase power supply method of adjustment, comprising the following steps:
Step S101 periodically obtains respective current information and temperature information from each power stage that multiphase is powered respectively；
Step S103 judges whether multiphase power supply meets thermal balance according to the temperature information of each power stage；
Step S105 is raw according to the current information of each power stage and temperature information when multiphase power supply is unsatisfactory for thermal balance
At the control signal of adjustment output electric current.
The embodiment of the present invention passes through the temperature and electric current of each phase of real-time detection, and dynamic is shared in a manner of not fully flowing
Per the load powered all the way, the dynamic current equalizing of each phase was not only realized, but also realize the temperature equalization of each phase, and can preferably improve power supply
The safely and controllably property of circuit.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, Ke Yitong
Computer program is crossed to instruct related hardware and complete, the program can be stored in a computer-readable storage medium,
The program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein, the storage medium can for magnetic disk,
CD, read-only memory (ROM) or random access memory (RAM) etc..The embodiment of the computer program, Ke Yida
The effect identical or similar to corresponding aforementioned any means embodiment.
In some embodiments, obtain current information and temperature information be obtained by the sensor that power stage integrates or
The information is obtained by the sensing circuit being additionally arranged；Wherein, it is mutual for obtaining current information and obtaining the behavior of temperature information
It is independent.
In some embodiments, judge multiphase power supply whether meet thermal balance include judge each power stage temperature whether
Whether the temperature difference of maximum temperature and minimum temperature is no more than scheduled temperature difference threshold value in identical or each power stage.
In some embodiments, control signal is configured to the output current reduction for the power stage for keeping temperature high and/or makes
The output electric current of the low power stage of temperature increases, thus keep the temperature of each power stage identical or each power stage in maximum temperature with
The temperature difference of minimum temperature is no more than the degree of scheduled temperature difference threshold value.
In some embodiments, the output electric current of each power stage, which has, makes its electrical appliance be able to maintain normal work most
Small value and maximum value, wherein control signal makes the reduction for exporting electric current or increase to be no more than its minimum value and maximum value.
Disclosed method is also implemented as the computer program executed by CPU, the calculating according to embodiments of the present invention
Machine program may be stored in a computer readable storage medium.When the computer program is executed by CPU, executes the present invention and implement
The above-mentioned function of being limited in method disclosed in example.Above method step also can use controller and for storing so that controlling
Device realizes that the computer readable storage medium of the computer program of above-mentioned steps function is realized.
In some embodiments, multiphase power supply is powered to processor.
In some embodiments, control signal is pulse-width signal.
In some embodiments, power stage includes field-effect tube, wherein obtains current information and temperature from field-effect tube
Information simultaneously receives control signal using field-effect tube.
Carry out the specific embodiment that the present invention is further explained below according to specific embodiment as shown in Figure 4.In step
S1, controller by the temperature information and current information of temperature sense and each phase of electric current sense real-time detection, electric current sense and
The sense function that temperature sense can be integrated by power stage obtains, and can also be obtained by external sense circuit, the temperature of each phase
Degree sense and electric current sense is independent from each other.In step S2, controller believes collected each phase current information and temperature
Breath compares acquisition, judges the stream effect and temperature equalization of each phase.In step S3, if controller judges that each phase temperature is equal
Weighing apparatus, controller will maintain existing each phase working condition, and continue for obtaining each phase temperature information and current information, be moved
State is adjusted.It can be dropped by pwm signal in step S4 if controller judges certain mutually or the power stage temperature of a few phases is higher
The output power of the low phase or several phases, and continue for obtaining each phase temperature information and current information progress dynamic regulation,
Guarantee that each phase current, until temperature equalization, will not persistently reduce the output work of the phase because certain is mutually overheated under the premise of more balanced
Rate.
Those skilled in the art will also understand is that, the various illustrative steps in conjunction with described in disclosure herein can be by
It is embodied as the combination of electronic hardware, computer software or both.In order to clearly demonstrate this interchangeability of hardware and software,
General description has been carried out to it with regard to the function of various illustrated steps.This function is implemented as software or quilt
It is embodied as hardware to depend on concrete application and be applied to the design constraint of whole system.Those skilled in the art can be for every
Kind concrete application realizes the function in various ways, but this realization decision should not be interpreted as causing a departure from this hair
Bright embodiment scope of disclosure.
The method of adjustment from above-described embodiment as can be seen that multiphase provided in an embodiment of the present invention is powered, by timing from more
Mutually each power stage of power supply obtains respective current information and temperature information respectively, is judged according to the temperature information of each power stage more
Mutually whether power supply meets thermal balance, when multiphase power supply is unsatisfactory for thermal balance, is believed according to the current information of each power stage and temperature
Breath generates the technical solution of the control signal of adjustment output electric current, can for different power supplies mutually or different types of power supply phase into
Row adjustment reaches heat dissipation equilibrium, improves the safety and controllability of multiphase power supply.
It is important to note that each step in each embodiment of above-mentioned multiphase power supply method of adjustment can phase
Mutually intersect, replace, increase, delete, therefore, these reasonable permutation and combination transformation should also be as belonging in multiphase power supply method of adjustment
In protection scope of the present invention, and protection scope of the present invention should not be confined on the embodiment.
Based on above-mentioned purpose, the second aspect of the embodiment of the present invention, propose one kind can for different power supplies phases or
The embodiment of the different types of device being mutually adjusted of powering.Described device includes:
Processor is connected to the power stage of multiphase power supply；With
Memory, is stored with the program code that processor can be run, and program code executes above-mentioned method when being run
To adjust the working condition for the power stage that multiphase is powered.
It can be various electric terminal equipments, such as mobile phone, a number that the embodiment of the present invention, which discloses described device, equipment etc.,
Word assistant (PDA), tablet computer (PAD), smart television etc., are also possible to large-scale terminal device, such as server, therefore this hair
Protection scope disclosed in bright embodiment should not limit as certain certain types of device, equipment.The embodiment of the present invention discloses described
Client can be with the combining form of electronic hardware, computer software or both be applied to any one of the above electric terminal
In equipment.
Computer readable storage medium (such as memory) as described herein can be volatile memory or non-volatile
Memory, or may include both volatile memory and nonvolatile memory.As an example and not restrictive, it is non-easy
The property lost memory may include read-only memory (ROM), programming ROM (PROM), electrically programmable ROM (EPROM), electrically-erasable
Programming ROM (EEPROM) or flash memory.Volatile memory may include random access memory (RAM), which can
To serve as external cache.As an example and not restrictive, RAM can be obtained in a variety of forms, such as synchronous
RAM (DRAM), dynamic ram (DRAM), synchronous dram (SDRAM), double data rate SDRAM (DDR SDRAM), enhancing SDRAM
(ESDRAM), synchronization link DRAM (SLDRAM) and directly Rambus RAM (DRRAM).The storage of disclosed aspect is set
The standby memory for being intended to including but not limited to these and other suitable type.
Based on above-mentioned purpose, in terms of the third of the embodiment of the present invention, propose one kind can for different power supplies phases or
The embodiment of the different types of charger being mutually adjusted of powering.Charger has above-mentioned multiphase power supply adjustment device.
The various exemplary servers in conjunction with described in disclosure herein, which can use, to be designed to execute institute here
The following component of function is stated to realize or execute: general processor, digital signal processor (DSP), specific integrated circuit
(ASIC), field programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hard
Any combination of part component or these components.General processor can be microprocessor, but alternatively, and processor can be with
It is any conventional processors, controller, microcontroller or state machine.Processor also may be implemented as calculating the combination of equipment,
For example, the combination of DSP and microprocessor, multi-microprocessor, one or more microprocessors combination DSP and/or any other
This configuration.
From above-described embodiment as can be seen that multiphase provided in an embodiment of the present invention power supply adjustment device and charger, pass through
Timing obtains respective current information and temperature information from each power stage that multiphase is powered respectively, is believed according to the temperature of each power stage
Breath judges whether multiphase power supply meets thermal balance, when multiphase power supply is unsatisfactory for thermal balance, according to the current information of each power stage
The technical solution that the control signal of adjustment output electric current is generated with temperature information, can be mutually or different types of for different power supplies
Power supply is mutually adjusted, and reaches heat dissipation is balanced, and raising multiphase is powered safety and controllability.
It is important to note that the embodiment of above-mentioned multiphase power supply adjustment device and charger is supplied using the multiphase
The embodiment of electric method of adjustment illustrates the course of work of each module, and those skilled in the art can be it is readily conceivable that will
These module applications are into the other embodiments of multiphase power supply method of adjustment.Certainly, due to multiphase power supply adjustment side
Each step in method embodiment can be intersected, replaces, increases, be deleted, therefore, these reasonable permutation and combination transformation
Power adjustment device in the multiphase and charger should also be as belonging to the scope of protection of the present invention, and should not will be of the invention
Protection scope is confined on the embodiment.
It is exemplary embodiment disclosed by the invention above, it should be noted that in the sheet limited without departing substantially from claim
Under the premise of inventive embodiments scope of disclosure, it may be many modifications and modify.According to open embodiment described herein
The function of claim to a method, step and/or movement be not required to the execution of any particular order.In addition, although the present invention is implemented
Element disclosed in example can be described or be required in the form of individual, but be unless explicitly limited odd number, it is understood that be multiple.
It should be understood that it is used in the present context, unless the context clearly supports exceptions, singular " one
It is a " it is intended to also include plural form.It is to be further understood that "and/or" used herein refers to including one or one
Any and all possible combinations of a above project listed in association.The embodiment of the present invention discloses embodiment sequence number
Description, does not represent the advantages or disadvantages of the embodiments.
It should be understood by those ordinary skilled in the art that: the discussion of any of the above embodiment is exemplary only, not
It is intended to imply that range disclosed by the embodiments of the present invention (including claim) is limited to these examples；In the think of of the embodiment of the present invention
Under road, it can also be combined between the technical characteristic in above embodiments or different embodiments, and exist as described above
Many other variations of the different aspect of the embodiment of the present invention, for simplicity, they are not provided in details.Therefore, all at this
Within the spirit and principle of inventive embodiments, any omission, modification, equivalent replacement, improvement for being made etc. should be included in this hair
Within the protection scope of bright embodiment.
Claims (10)
- The method of adjustment 1. a kind of multiphase is powered, which comprises the following steps:Timing obtains respective current information and temperature information from each power stage that multiphase is powered respectively；Judge whether multiphase power supply meets thermal balance according to the temperature information of each power stage；When multiphase power supply is unsatisfactory for thermal balance, generated according to the current information of each power stage and the temperature information The control signal of adjustment output electric current.
- 2. the method according to claim 1, wherein obtaining the current information and the temperature information to pass through The integrated sensor of the power stage obtains or the sensing circuit by being additionally arranged obtains the information；Wherein, described in acquisition Current information and the behavior for obtaining the temperature information are independent from each other.
- 3. the method according to claim 1, wherein judging whether multiphase power supply meets thermal balance includes that judgement is each Whether the temperature of power stage identical or whether the temperature difference of each power stage maximum temperature and minimum temperature is no more than scheduled temperature Poor threshold value.
- 4. the method according to claim 1, wherein the control signal is configured to the power stage for keeping temperature high The output electric current for exporting current reduction and/or the power stage for keeping temperature low increases, so that the temperature for making multiphase power is identical or each The temperature difference of maximum temperature and minimum temperature is no more than the degree of scheduled temperature difference threshold value in power stage.
- 5. according to the method described in claim 4, it is characterized in that, output electric current described in each power stage, which has, enables its electrical appliance Enough minimum values and maximum value for keeping working normally, wherein the control signal makes the reduction of the output electric current or increases equal No more than its minimum value and maximum value.
- 6. method described in any one of -5 according to claim 1, which is characterized in that the multiphase power supply is supplied processor Electricity.
- 7. method described in any one of -5 according to claim 1, which is characterized in that the control signal is pulsewidth modulation letter Number.
- 8. method described in any one of -5 according to claim 1, which is characterized in that the power stage includes field-effect tube, Wherein, the current information and the temperature information are obtained from the field-effect tube and receives the control using the field-effect tube Signal processed.
- 9. a kind of multiphase power supply adjustment device characterized by comprisingProcessor is connected to the power stage of multiphase power supply；WithMemory, is stored with the program code that processor can be run, and said program code executes such as claim when being run Method described in any one of 1-8 come adjust multiphase power supply power stage working condition.
- 10. a kind of charger, which is characterized in that have multiphase as claimed in claim 9 power supply adjustment device.
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| CN201811311847.6A CN109460138A (en) | 2018-11-06 | 2018-11-06 | A kind of multiphase power supply method of adjustment and device |
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| CN201811311847.6A CN109460138A (en) | 2018-11-06 | 2018-11-06 | A kind of multiphase power supply method of adjustment and device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111176415A (en) * | 2019-12-29 | 2020-05-19 | 浪潮商用机器有限公司 | Double-phase power supply circuit and open circuit detection method |
| CN112467965A (en) * | 2020-10-26 | 2021-03-09 | 苏州浪潮智能科技有限公司 | Temperature control method, device and system of multiphase power supply and storage medium |
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| CN104866054A (en) * | 2014-02-26 | 2015-08-26 | 鸿富锦精密工业（深圳）有限公司 | Polyphase source protection circuit |
| CN107976641A (en) * | 2017-11-16 | 2018-05-01 | 郑州云海信息技术有限公司 | A kind of method tested verification Switching Power Supply multiphase and flowed |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102073364A (en) * | 2009-11-19 | 2011-05-25 | 华硕电脑股份有限公司 | Multi-phase power supply device and current adjustment method thereof |
| CN104866054A (en) * | 2014-02-26 | 2015-08-26 | 鸿富锦精密工业（深圳）有限公司 | Polyphase source protection circuit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111176415A (en) * | 2019-12-29 | 2020-05-19 | 浪潮商用机器有限公司 | Double-phase power supply circuit and open circuit detection method |
| CN112467965A (en) * | 2020-10-26 | 2021-03-09 | 苏州浪潮智能科技有限公司 | Temperature control method, device and system of multiphase power supply and storage medium |
| CN112467965B (en) * | 2020-10-26 | 2022-05-06 | 苏州浪潮智能科技有限公司 | Temperature control method, device and system of multiphase power supply and storage medium |
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Application publication date: 20190312 |