CN109613969A - SSD power supply circuit, capacitance management method, system, device and storage medium - Google Patents
SSD power supply circuit, capacitance management method, system, device and storage medium Download PDFInfo
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- CN109613969A CN109613969A CN201811504788.4A CN201811504788A CN109613969A CN 109613969 A CN109613969 A CN 109613969A CN 201811504788 A CN201811504788 A CN 201811504788A CN 109613969 A CN109613969 A CN 109613969A
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- power supply
- voltage
- standby electric
- electric capacitor
- standby
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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
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/28—Supervision thereof, e.g. detecting power-supply failure by out of limits supervision
Abstract
This application discloses management method, system, device and the storage mediums of a kind of standby electric capacitor of SSD, are applied in SSD power supply circuit, comprising: shutdown boost module and voltage reduction module；Switching tube is connected, is discharged using detection resistance standby electric capacitor；The voltage that standby electric capacitor is monitored using comparator obtains the voltage of standby electric capacitor by the electric discharge duration of first voltage to second voltage；According to detection resistance and electric discharge duration, the capacitance of standby electric capacitor is calculated.The present invention utilizes detection resistance and switching tube in SSD power supply circuit to calculate for the capacitance of electric capacitor, it can be obtained accurate results of measuring by simple operations, improve the reliability of standby electricity, SSD power supply circuit control method is simple, all kinds of devices wherein used are common generally, cost is relatively low, it occupies little space, flexible layout has the stronger market competitiveness.Correspondingly, disclosed herein as well is a kind of SSD power supply circuits.
Description
Technical field
The present invention relates to data storage hardware design field, in particular to a kind of SSD power supply circuit, capacitance management method,
System, device and storage medium.
Background technique
Solid state hard disk (Solid State Drives, abbreviation SSD) is a kind of data storage medium, generally includes master control core
Piece (controller), flash memory (Flash) cache (DRAM) and other related devices.Wherein, cache chip then can after a power failure
Lose the information saved in the chips.The reliability requirement that enterprise-level SSD stores data is higher, it usually needs has power down guarantor
When protective function, i.e. SSD external power supply exception, the data in caching can be transferred in non-volatile flash chip in time,
Need SSD that can maintain the power supply of itself short time at this time.In general, design has the bulky capacitor of storage electric energy in SSD, work as external electrical
When the power down of source, it can be powered by capacitor to SSD inside chip, data is enable smoothly to move on to flash chip from caching transfer.
Due to capacitor performance can as time goes by, environmental change and change, in SSD life cycle, capacitor may
Since charge and discharge number is excessive, environment temperature height etc. is factor ageing, to the problem of capacity decline occur, if capacitance declines
To a certain extent, it is likely that the data in cache chip are transferred in flash memory after can not supporting external power supply power down.If
Capacitor is managed using dedicated power management chip, then needs to occupy area on higher hardware cost and plate.
Therefore, how to provide a kind of scheme of solution above-mentioned technical problem is that current those skilled in the art need to solve
Problem.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of SSD power supply circuit, capacitance management method, system, device and
Storage medium.Its concrete scheme is as follows:
A kind of management method of the standby electric capacitor of SSD, is applied in SSD power supply circuit, the SSD power supply circuit includes and bears
Connected external power supply is carried, first end is connect by boost module with the external power supply, first end passes through voltage reduction module and institute
The standby electric capacitor for stating load connection, second end ground connection, the comparator being connected with the first end of the standby electric capacitor, with switching tube string
Detection resistance after connection, in parallel with the standby electric capacitor；The management method includes:
Turn off boost module and voltage reduction module；
The switching tube is connected, is discharged using the detection resistance the standby electric capacitor；
The voltage that the standby electric capacitor is monitored using the comparator obtains the voltage of the standby electric capacitor by first voltage
To the electric discharge duration of second voltage；
According to the detection resistance and the electric discharge duration, the capacitance of the standby electric capacitor is calculated.
Preferably, the process of the shutdown boost module and voltage reduction module, specifically includes:
Turn off the voltage reduction module；
The boost module is enabled, makes the external power supply to the standby electric capacitor charging；
The voltage that the standby electric capacitor is monitored using the comparator, when the voltage of the standby electric capacitor rises to described the
One voltage turns off the boost module.
Preferably, the comparator is specially hysteresis loop comparator.
Preferably, the management method further include:
When the external power supply exception, the boost module is turned off, the voltage reduction module is enabled, to utilize the standby electricity electricity
Hold and passes through the voltage reduction module to the load supplying.
Preferably, the management method further include:
Monitor the voltage of the standby electric capacitor；
When the voltage drops to tertiary voltage, the voltage reduction module is turned off.
Correspondingly, the invention also discloses a kind of SSD power supply circuits, comprising:
The outer external power supply being connected with load；
First end is connect by boost module with the external power supply, first end is connected by voltage reduction module and the load
It connects, the standby electric capacitor of second end ground connection；
The comparator being connected with the first end of the standby electric capacitor；
Detection resistance after connecting with switching tube, in parallel with the standby electric capacitor.
Preferably, the external power supply that the external power supply is connected specifically by first diode and the load；
The standby electric capacitor is specially that first end passes through the voltage reduction module and the second diode and the load connection
Standby electricity capacitor；
The anode of the first diode is connect with the external power supply, and cathode and the load connect；
The anode of second diode is connect with the voltage reduction module, and cathode and the load connect.
Correspondingly, be applied in SSD power supply circuit the invention discloses a kind of management system of the standby electric capacitor of SSD, it is described
SSD power supply circuit include with the external power supply that is connected of load, first end pass through boost module connect with the external power supply, first
End is connected by the standby electric capacitor of voltage reduction module and the load connection, second end ground connection with the first end of the standby electric capacitor
Comparator, the detection resistance after connecting with switching tube, in parallel with the standby electric capacitor；The management system includes:
Action module is connected the switching tube, utilizes the detection resistance pair for turning off boost module and voltage reduction module
The standby electric capacitor electric discharge；
Monitoring modular obtains the standby electric capacitor for monitoring the voltage of the standby electric capacitor using the comparator
Voltage by first voltage to second voltage electric discharge duration；
Computing module, for calculating the capacitance of the standby electric capacitor according to the detection resistance and the electric discharge duration.
Correspondingly, the invention discloses a kind of managing devices of the standby electric capacitor of SSD, comprising:
Memory, for storing standby electric capacitance management program；
Processor realizes the management of the standby electric capacitor of SSD as described above when for executing the standby electric capacitance management program
The step of method.
Correspondingly, being stored with standby electric capacitance management on the readable storage medium storing program for executing the invention discloses a kind of storage medium
Program, the standby electric capacitance management program realize the management method of the standby electric capacitor of SSD as described above when being executed by processor
Step.
The invention discloses a kind of management methods of the standby electric capacitor of SSD, are applied in SSD power supply circuit, the SSD power supply
Circuit includes the external power supply being connected with load, and first end is connect by boost module with the external power supply, first end passes through
The standby electric capacitor of voltage reduction module and the load connection, second end ground connection, compared with the first end of the standby electric capacitor is connected
Device, the detection resistance after connecting with switching tube, in parallel with the standby electric capacitor；The management method includes: shutdown boost module
And voltage reduction module；The switching tube is connected, is discharged using the detection resistance the standby electric capacitor；It is supervised using the comparator
The voltage for surveying the standby electric capacitor obtains the voltage of the standby electric capacitor by the electric discharge duration of first voltage to second voltage；Root
According to the detection resistance and the electric discharge duration, the capacitance of the standby electric capacitor is calculated.
Wherein, the present invention is passed through using the capacitance of detection resistance and the standby electric capacitor of switching tube measuring and calculating in SSD power supply circuit
Simple operations can be obtained accurate results of measuring, improve the reliability of standby electricity, SSD power supply circuit control method is simple, wherein using
All kinds of devices arrived are common generally, cost is relatively low, occupy little space, and flexible layout has the stronger market competitiveness.
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
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of structural topology figure of SSD power supply circuit in the embodiment of the present invention；
Fig. 2 is a kind of step flow chart of the management method of the standby electric capacitor of SSD in the embodiment of the present invention；
Fig. 3 is a kind of structure distribution figure of the management system of the standby electric capacitor of SSD in the embodiment of the present invention；
Fig. 4 is a kind of structure distribution figure of the managing device of the standby electric capacitor of SSD in the embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Solid state hard disk (Solid State Drives, abbreviation SSD) is a kind of data storage medium, generally includes master control core
Piece (controller), flash memory (Flash) cache (DRAM) and other related devices.Wherein, cache chip then can after a power failure
Lose the information saved in the chips.The reliability requirement that enterprise-level SSD stores data is higher, it usually needs has power down guarantor
When protective function, i.e. SSD external power supply exception, the data in caching can be transferred in non-volatile flash chip in time,
Need SSD that can maintain the power supply of itself short time at this time.In general, design has the bulky capacitor of storage electric energy in SSD, work as external electrical
When the power down of source, it can be powered by capacitor to SSD inside chip, data is enable smoothly to move on to flash chip from caching transfer.
Due to capacitor performance can as time goes by, environmental change and change, in SSD life cycle, capacitor may
Since charge and discharge number is excessive, environment temperature height etc. is factor ageing, to the problem of capacity decline occur, if capacitance declines
To a certain extent, it is likely that the data in cache chip are transferred in flash memory after can not supporting external power supply power down.If
Capacitor is managed using dedicated power management chip, then needs to occupy area on higher hardware cost and plate.
The present invention utilizes detection resistance and switching tube in SSD power supply circuit to calculate for the capacitance of electric capacitor, by simple
Operation can be obtained accurate results of measuring, improve the reliability of standby electricity, and SSD power supply circuit control method is simple, wherein use
All kinds of devices are common generally, cost is relatively low, occupy little space, and flexible layout has the stronger market competitiveness.
The embodiment of the invention discloses the management methods of the standby electric capacitor C of SSD a kind of, are applied in SSD power supply circuit, described
SSD power supply circuit is shown in Figure 1, including with the load external power supply S that is connected of L, first end pass through boost module 11 with it is described
The standby electric capacitor C that external power supply S connection, first end are connect by voltage reduction module 12 with the load L, second end is grounded, with institute
State the connected comparator COMP of standby electric capacitor C first end, the detection electricity after connecting with switching tube K, in parallel with the standby electricity capacitor C
Hinder R.
Further, the external power supply that the external power supply S is connect specifically by first diode D1 with the load L
S；The standby electricity capacitor C is specially that first end is connect by the voltage reduction module 12 and the second diode D2 with the load L
Standby electricity capacitor C；The anode of first diode D1 is connect with the external power supply S, and cathode is connect with the load L；Two or two pole
The anode of pipe D2 is connect with the voltage reduction module 12, and cathode is connect with the load L.In addition, boost module 11 and standby electric capacitor C
First end between can also be connected by current-limiting resistance R0, avoid boost module 11 to electricity in the charging process of standby electric capacitor C
Big situation is flowed through to occur.
Wherein, the management method is shown in Figure 2, comprising:
S11: shutdown boost module 11 and voltage reduction module 12；
It is understood that also just having turned off standby electricity capacitor C and external electrical when shutdown boost module 11 and voltage reduction module 12
Source S, the access for loading L.
S12: being connected the switching tube K, is discharged using the detection resistance R the standby electricity capacitor C；
S13: monitoring the voltage of the standby electric capacitor C using the comparator COMP, obtains the voltage of the standby electric capacitor C
By the electric discharge duration of first voltage to second voltage；
It is understood that when comparator COMP monitoring voltage, encounter during dropping under voltage such as first voltage or
After the specific voltage value point such as second voltage the output voltage signal of comparator COMP jumps, and is determined with the time of jump
The duration of electric discharge.
Voltage persistently reduces in the discharge process of standby electricity capacitor C, can directly set first voltage as boost module 11
Output voltage, because external power supply S charges to standby electricity capacitor C before being not turned off boost module 11, standby electricity capacitor C is being full of
Voltage when electric is determined as the output voltage of boost module 11, and at the time of switching tube K is connected, that is, voltage arrives in discharge process
At the time of up to first voltage, it is not required to when first voltage, comparator are reached by the voltage that comparator COMP monitors standby electric capacitor C again
COMP only need to send signal when the voltage of standby electric capacitor C drops to second voltage, a length of when so as to obtain electric discharge
Moment is connected to the duration for receiving comparator COMP signal in switching tube K.
S14: according to the detection resistance R and the electric discharge duration, the capacitance of the standby electric capacitor C is calculated.
It is understood that the capacitance of standby electricity capacitor C is calculated according to conventional Calculation Method, need to utilize detection therebetween
Resistance R, electric discharge two duration, first voltage and second voltage state values.
When having executed above-mentioned steps, after the capacitance for obtaining standby electric capacitor C, then restore the normal work mould of SSD power supply circuit
Formula specifically includes:
S15: turning off the switching tube K, enables the boost module 11 and the voltage reduction module 12.
At this point, standby electricity capacitor C restores standby electricity condition in SSD power supply circuit, external power supply S be can continue to load L power supply.
The present embodiment is suitable for enterprise-level SSD product, can realize SSD by simple circuit design and control flow
Standby electricity and capacitance detecting improve the standby electric reliability of SSD.
The invention discloses a kind of management methods of the standby electric capacitor of SSD, are applied in SSD power supply circuit, the SSD power supply
Circuit includes the load that external power supply is connected with the external power supply, and first end is connected by boost module and the external power supply
It connects, the standby electric capacitor that first end is grounded by voltage reduction module and the load connection, second end, first with the standby electric capacitor
The connected comparator in end, the detection resistance after connecting with switching tube, in parallel with the standby electric capacitor；The management method includes:
Turn off boost module and voltage reduction module；The switching tube is connected, is discharged using the detection resistance the standby electric capacitor；It utilizes
The comparator monitors the voltage of the standby electric capacitor, obtains the voltage of the standby electric capacitor by first voltage to second voltage
Electric discharge duration；According to the detection resistance and the electric discharge duration, the capacitance of the standby electric capacitor is calculated.
Wherein, the present invention is passed through using the capacitance of detection resistance and the standby electric capacitor of switching tube measuring and calculating in SSD power supply circuit
Simple operations can be obtained accurate results of measuring, improve the reliability of standby electricity, SSD power supply circuit control method is simple, wherein using
All kinds of devices arrived are common generally, cost is relatively low, occupy little space, and flexible layout has the stronger market competitiveness.
The embodiment of the invention discloses a kind of management methods of the standby electric capacitor of specific SSD, relative to a upper embodiment, originally
Embodiment has made further instruction and optimization to technical solution.It is specific:
The process of boost module 11 and voltage reduction module 12 is turned off described in step S11, comprising:
S111: the voltage reduction module 12 is turned off；
S112: enabling the boost module 11, and the external power supply S is made to charge the standby electricity capacitor C；
S113: monitoring the voltage of the standby electric capacitor C using the comparator COMP, when the voltage of the standby electric capacitor C
The first voltage is risen to, the boost module 11 is turned off.
Specifically, comparator COMP is specially hysteresis loop comparator in the present embodiment, according to its transmission characteristic, hair can be designed
The logic for the number of delivering letters are as follows: rise to first voltage and send beginning timing signal, drop to second voltage and send stopping timing signal.
In the present embodiment, standby electricity capacitor C first charges to first voltage by boost module 11, then starts to be discharged to the second electricity
Pressure；Other than this voltage change, first voltage and second voltage can also be set for two in the discharge process of standby electric capacitor C
A voltage value point, the signal sending logic needs of comparator COMP are adjusted correspondingly at this time.
The embodiment of the invention discloses a kind of management methods of the standby electric capacitor of specific SSD, relative to a upper embodiment, originally
Embodiment has made further instruction and optimization to technical solution.
Specifically, the management method further include:
When the external power supply S exception, the boost module 11 is turned off, the voltage reduction module 12 is enabled, described in utilizing
Standby electricity capacitor C is powered by the voltage reduction module 12 to the load L.
Voltage reduction module 12 is enabled at this time, and standby electricity capacitor C is made to execute standby Electricity Functional to load L power supply；Need to turn off boosting mould
Block 11 avoids the influence of external power supply S.
It is understood that external power supply S passes through decompression to standby electricity capacitor C charging, standby electricity capacitor C by boost module 11
When 12 pairs of load L power supplies of module, switching tube K is in off-state, and standby electricity capacitor C will not be discharged by detection resistance R.
Further, the management method further include:
Monitor the voltage of the standby electric capacitor C；
When the voltage drops to tertiary voltage, the voltage reduction module 12 is turned off.
Specifically, the tertiary voltage is the electric discharge lower limit value of standby electric capacitor C.
Correspondingly, the embodiment of the invention also discloses a kind of SSD power supply circuit, it is shown in Figure 1, comprising:
The external power supply S being connect with load L；
First end is connect by boost module 11 with the external power supply S, first end is born by voltage reduction module 12 with described
Carry the standby electric capacitor C of L connection, second end ground connection；
The comparator COMP being connected with the standby electric capacitor C first end；
Detection resistance R after connecting with switching tube K, in parallel with the standby electricity capacitor C.
Through this embodiment, external power supply S may be implemented to load L power supply, standby electricity capacitor C to load L power supply, external electrical
Source S can also realize the function that the capacitance of standby electric capacitor C is calculated in foregoing embodiments to conventional funcs such as standby electricity capacitor C chargings.
Specifically, the switching tube K in the present embodiment, which can be IGBT pipe, metal-oxide-semiconductor or triode etc., arbitrarily may be implemented electricity
Control the element of switch.
In certain embodiments, the external power supply S is connect specifically by first diode D1 with the load L
External power supply S；The standby electricity capacitor C is specially that first end is born by the voltage reduction module 12 and the second diode D2 with described
Carry the standby electric capacitor C of L connection；
The anode of first diode D1 is connect with the external power supply S, and cathode is connect with the load L；
The anode of second diode D2 is connect with the voltage reduction module 12, and cathode is connect with the load L.
It is understood that first diode D1 and the second diode D2 mainly play a part of to prevent electric current from flowing backward, avoid
The situation for forming short circuit when loading L short circuit between external power supply S and voltage reduction module 12 occurs.
Further, the voltage that voltage reduction module 12 exports is compared with the voltage for being lower than external power supply S, if boost module 11 and drop
Die block 12 is all enabled, and when external power supply S and voltage reduction module 12 can power to load L, external power supply S is preferentially to load L
Power supply.
In addition, can also connect by current-limiting resistance R0 between boost module 11 and the first end of standby electric capacitor C, avoid rising
The situation excessive to electric current in the charging process of standby electric capacitor C of die block 11 occurs.
Correspondingly, being applied in SSD power supply circuit, institute the invention discloses the management system of the standby electric capacitor C of SSD a kind of
State that SSD power supply circuit is shown in Figure 1, including external power supply S connect with load L, first end passes through boost module 11 and institute
State external power supply S connection, the standby electric capacitor C that first end is connect by voltage reduction module 12 with the load L, second end is grounded, with
The connected comparator COMP of the standby electric capacitor C first end, the detection after connecting with switching tube K, in parallel with the standby electricity capacitor C
Resistance R；The management system is shown in Figure 3, comprising:
Action module 21 is connected the switching tube K, utilizes the inspection for turning off boost module 11 and voltage reduction module 12
Measuring resistance R discharges to the standby electricity capacitor C；
Monitoring modular 22 obtains the standby electricity for monitoring the voltage of the standby electric capacitor C using the comparator COMP
The voltage of capacitor C by first voltage to second voltage electric discharge duration；
Computing module 23, for calculating the appearance of the standby electric capacitor C according to the detection resistance R and the electric discharge duration
Value.
Wherein, the present invention is passed through using the capacitance of detection resistance and the standby electric capacitor of switching tube measuring and calculating in SSD power supply circuit
Simple operations can be obtained accurate results of measuring, improve the reliability of standby electricity, SSD power supply circuit control method is simple, wherein using
All kinds of devices arrived are common generally, cost is relatively low, occupy little space, and flexible layout has the stronger market competitiveness.
In certain embodiments, the action module 21 is specifically used for:
Turn off the voltage reduction module 12；
The boost module 11 is enabled, the external power supply S is made to charge the standby electricity capacitor C；
The voltage that the standby electric capacitor C is monitored using the comparator COMP, when the voltage of the standby electric capacitor C rises to
The first voltage turns off the boost module 11.
In certain embodiments, the comparator is specially hysteresis loop comparator.
In certain embodiments, action module 21 is also used to:
When the external power supply S exception, the boost module 11 is turned off, the voltage reduction module 12 is enabled, described in utilizing
Standby electricity capacitor C is powered by the voltage reduction module 12 to the load L.
Specifically, action module 21 is used for: when the voltage of standby electric capacitor C drops to tertiary voltage, turning off the decompression mould
Block 12.
It is understood that the movement of the voltage of the standby electric capacitor C of monitoring is still completed by monitoring modular 22.
Correspondingly, the invention discloses a kind of managing device of the standby electric capacitor of SSD, it is shown in Figure 4, including processor 31
With memory 32；Wherein, it is realized when the processing 31 executes the standby electric capacitance management program saved in the memory 32 following
Step:
Turn off boost module and voltage reduction module；
The switching tube is connected, is discharged using the detection resistance the standby electric capacitor；
The voltage that the standby electric capacitor is monitored using the comparator obtains the voltage of the standby electric capacitor by first voltage
To the electric discharge duration of second voltage；
According to the detection resistance and the electric discharge duration, the capacitance of the standby electric capacitor is calculated.
Wherein, the present invention is passed through using the capacitance of detection resistance and the standby electric capacitor of switching tube measuring and calculating in SSD power supply circuit
Simple operations can be obtained accurate results of measuring, improve the reliability of standby electricity, SSD power supply circuit control method is simple, wherein using
All kinds of devices arrived are common generally, cost is relatively low, occupy little space, and flexible layout has the stronger market competitiveness.
In some specific embodiments, when the processor 31 executes the subprogram saved in the memory 32, tool
Following steps may be implemented in body:
Turn off the voltage reduction module；
The boost module is enabled, makes the external power supply to the standby electric capacitor charging；
The voltage that the standby electric capacitor is monitored using the comparator, when the voltage of the standby electric capacitor rises to described the
One voltage turns off the boost module.
In some specific embodiments, the comparator is specially hysteresis loop comparator.
In some specific embodiments, when the processor 31 executes the subprogram saved in the memory 32, tool
Following steps may be implemented in body:
When the external power supply exception, the boost module is turned off, the voltage reduction module is enabled, to utilize the standby electricity electricity
Hold and passes through the voltage reduction module to the load supplying.
In some specific embodiments, when the processor 31 executes the subprogram saved in the memory 32, tool
Following steps may be implemented in body:
Monitor the voltage of the standby electric capacitor；
When the voltage drops to tertiary voltage, the voltage reduction module is turned off.
Further, the SSD in the present embodiment can also include: for the managing device of electric capacitor
Input interface 33, for obtaining the standby electric capacitance management program of extraneous importing, and the standby electric capacitance tube that will acquire
Reason program is saved into the memory 32, can be also used for the various instructions and parameter that obtain extraneous terminal device transmission, and
It is transmitted in processor 31, so that processor 31 is handled accordingly using above-mentioned various instructions and parametric evolving.In the present embodiment,
The input interface 33 can specifically include but be not limited to USB interface, serial line interface, speech input interface, fingerprint input interface,
Hard disk reads interface etc..
Output interface 34, the various data for generating processor 31 are exported to coupled terminal device, so as to
The various data of the generation of processor 31 can be got in other terminal devices being connected with output interface 34.In the present embodiment,
The output interface 34 can specifically include but be not limited to USB interface, serial line interface etc..
Communication unit 35 connects for establishing telecommunication between the managing device and external server of the standby electric capacitor of SSD
It connects, in order to which image file can be mounted in external server by the managing device of the standby electric capacitor of SSD.In the present embodiment, lead to
News unit 35 can specifically include but be not limited to the remote communication unit based on wireless communication technique or wire communication technology.
Keyboard 36, the various parameters data or instruction inputted and tapping keycap in real time for obtaining user.
Display 37, the relevant information for the management process to the standby electric capacitor of SSD carries out real-time display, in order to user
The administrative situation of the standby electric capacitor of current SSD is understood in time.
Mouse 38 can be used for assisting user input data and simplify the operation of user.Pass through above-mentioned keyboard 36, display
37 and mouse 38, the control of a variety of management modes of electric capacitor standby to SSD may be implemented in system manager.
Correspondingly, being stored with standby electric capacitance management on the readable storage medium storing program for executing the invention discloses a kind of storage medium
Program, the standby electric capacitance management program realize the management method of the standby electric capacitor of SSD as described above when being executed by processor
Step.
Turn off boost module and voltage reduction module；
The switching tube is connected, is discharged using the detection resistance the standby electric capacitor；
The voltage that the standby electric capacitor is monitored using the comparator obtains the voltage of the standby electric capacitor by first voltage
To the electric discharge duration of second voltage；
According to the detection resistance and the electric discharge duration, the capacitance of the standby electric capacitor is calculated.
Wherein, the present invention is passed through using the capacitance of detection resistance and the standby electric capacitor of switching tube measuring and calculating in SSD power supply circuit
Simple operations can be obtained accurate results of measuring, improve the reliability of standby electricity, SSD power supply circuit control method is simple, wherein using
All kinds of devices arrived are common generally, cost is relatively low, occupy little space, and flexible layout has the stronger market competitiveness.
In some specific embodiments, when the subprogram stored in the readable storage medium storing program for executing is executed by processor, tool
Following steps may be implemented in body:
Turn off the voltage reduction module；
The boost module is enabled, makes the external power supply to the standby electric capacitor charging；
The voltage that the standby electric capacitor is monitored using the comparator, when the voltage of the standby electric capacitor rises to described the
One voltage turns off the boost module.
In some specific embodiments, the comparator is specially hysteresis loop comparator.
In some specific embodiments, when the subprogram stored in the readable storage medium storing program for executing is executed by processor, tool
Following steps may be implemented in body:
When the external power supply exception, the boost module is turned off, the voltage reduction module is enabled, to utilize the standby electricity electricity
Hold and passes through the voltage reduction module to the load supplying.
In some specific embodiments, when the subprogram stored in the readable storage medium storing program for executing is executed by processor, tool
Following steps may be implemented in body:
Monitor the voltage of the standby electric capacitor；
When the voltage drops to tertiary voltage, the voltage reduction module is turned off.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
Above to a kind of SSD power supply circuit provided by the present invention, capacitance management method, system, device and storage medium
It is described in detail, used herein a specific example illustrates the principle and implementation of the invention, the above reality
The explanation for applying example is merely used to help understand method and its core concept of the invention；Meanwhile for the general technology of this field
Personnel, according to the thought of the present invention, there will be changes in the specific implementation manner and application range, in conclusion this theory
Bright book content should not be construed as limiting the invention.
Claims (10)
1. a kind of management method of the standby electric capacitor of SSD, which is characterized in that be applied in SSD power supply circuit, the SSD power supply electricity
Road includes the external power supply being connected with load, and first end is connect by boost module with the external power supply, first end passes through drop
The standby electric capacitor of die block and the load connection, second end ground connection, the comparator being connected with the first end of the standby electric capacitor,
Detection resistance after connecting with switching tube, in parallel with the standby electric capacitor；The management method includes:
Turn off the boost module and the voltage reduction module；
The switching tube is connected, is discharged using the detection resistance the standby electric capacitor；
The voltage that the standby electric capacitor is monitored using the comparator obtains the voltage of the standby electric capacitor by first voltage to the
The electric discharge duration of two voltages；
According to the detection resistance and the electric discharge duration, the capacitance of the standby electric capacitor is calculated.
2. management method according to claim 1, which is characterized in that the process of the shutdown boost module and voltage reduction module,
It specifically includes:
Turn off the voltage reduction module；
The boost module is enabled, makes the external power supply to the standby electric capacitor charging；
The voltage that the standby electric capacitor is monitored using the comparator, when the voltage of the standby electric capacitor rises to first electricity
Pressure, turns off the boost module.
3. management method according to claim 2, which is characterized in that
The comparator is specially hysteresis loop comparator.
4. management method according to any one of the claim 1 to 3, which is characterized in that further include:
When the external power supply exception, the boost module is turned off, the voltage reduction module is enabled, with logical using the standby electric capacitor
The voltage reduction module is crossed to the load supplying.
5. management method according to claim 4, which is characterized in that further include:
Monitor the voltage of the standby electric capacitor；
When the voltage drops to tertiary voltage, the voltage reduction module is turned off.
6. a kind of SSD power supply circuit characterized by comprising
The external power supply being connected with load；
First end connect by boost module with the external power supply, first end is connected by voltage reduction module with the load, the
The standby electric capacitor of two ends ground connection；
The comparator being connected with the first end of the standby electric capacitor；
Detection resistance after connecting with switching tube, in parallel with the standby electric capacitor.
7. SSD power supply circuit according to claim 6, which is characterized in that
The external power supply that the external power supply is connected specifically by first diode and the load；The standby electric capacitor is specific
Pass through the standby electric capacitor of the voltage reduction module and the second diode and the load connection for first end；
The anode of the first diode is connect with the external power supply, and cathode and the load connect；
The anode of second diode is connect with the voltage reduction module, and cathode and the load connect.
8. a kind of management system of the standby electric capacitor of SSD, which is characterized in that be applied in SSD power supply circuit, the SSD power supply electricity
Road include with the load of the external power supply that is connected of load and external power supply connection, first end pass through boost module with it is described
External power supply connection, first end are by voltage reduction module and the standby electric capacitor for loading connection, second end ground connection, with described for electricity
The connected comparator of the first end of capacitor, the detection resistance after connecting with switching tube, in parallel with the standby electric capacitor；The management
System includes:
For turning off boost module and voltage reduction module the switching tube is connected, using the detection resistance to described in action module
Standby electricity capacitor electric discharge；
Monitoring modular obtains the voltage of the standby electric capacitor for monitoring the voltage of the standby electric capacitor using the comparator
By the electric discharge duration of first voltage to second voltage；
Computing module, for calculating the capacitance of the standby electric capacitor according to the detection resistance and the electric discharge duration.
9. a kind of managing device of the standby electric capacitor of SSD characterized by comprising
Memory, for storing standby electric capacitance management program；
Processor realizes the standby electricity of the SSD as described in any one of claim 1 to 5 when for executing the standby electric capacitance management program
The step of management method of capacitor.
10. a kind of storage medium, which is characterized in that standby electric capacitance management program is stored on the readable storage medium storing program for executing, it is described
Standby electricity capacitance management program realizes the manager of the standby electric capacitor of the SSD as described in any one of claim 1 to 5 when being executed by processor
The step of method.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811504788.4A CN109613969A (en) | 2018-12-10 | 2018-12-10 | SSD power supply circuit, capacitance management method, system, device and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811504788.4A CN109613969A (en) | 2018-12-10 | 2018-12-10 | SSD power supply circuit, capacitance management method, system, device and storage medium |
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