CN110413036A - Adjust the device and electronic equipment of voltage - Google Patents
Adjust the device and electronic equipment of voltage Download PDFInfo
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- CN110413036A CN110413036A CN201810393135.7A CN201810393135A CN110413036A CN 110413036 A CN110413036 A CN 110413036A CN 201810393135 A CN201810393135 A CN 201810393135A CN 110413036 A CN110413036 A CN 110413036A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/625—Regulating voltage or current wherein it is irrelevant whether the variable actually regulated is ac or dc
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Abstract
The present embodiments relate to technical field of power management, disclose a kind of device and electronic equipment for adjusting voltage, which includes: power module, the first chip and the second chip；Power module includes signal feedback end and voltage output end, and the first chip includes first voltage input terminal and the first signal output end, and the second chip includes second voltage input terminal, the first signal input part and second signal output end；Voltage output end connects first voltage input terminal and second voltage input terminal；First signal output end connects the first signal input part；Second signal output end connection signal feedback end；Second chip receives the first indication signal of the instruction first voltage that the first chip is sent；The weighted sum for calculating first voltage and second voltage obtains tertiary voltage, and the second indication signal of tertiary voltage is indicated to signal feedback output；The voltage that power module is exported according to tertiary voltage adjustment；The power consumption of chip can be reduced under the premise of reducing cost overhead.
Description
Technical field
The present invention relates to technical field of power management more particularly to a kind of devices and electronic equipment for adjusting voltage.
Background technique
Adaptive voltage scaling (Adaptive Voltage Scaling, AVS) is a kind of effective power management techniques.
AVS is by monitoring hardware according to certain strategy adjustment frequency, and the working condition based on load is adaptively adjusted voltage, can
Load is set to further decrease the power consumption of 30-70%.One very big feature of AVS technology is that it can not influence system function
Reduce system power dissipation while with indices.
Currently, the AVS function of using on chip substantially uses the form of digital interface, i.e., dynamically by digital interface
Adjust the voltage of power supply.AVS function mainly uses on high-power chip at present, and each chip configures an AVS power supply.And
In actual use, when an equipment has multiple small-power chips to need using AVS function, it is necessary to multiple AVS power supplys are configured,
I.e. each small-power chip configures an AVS power supply.It thus needs to increase printed circuit board (PrintedCircuit
Board, PCB) area, in order to arrange these AVS power supplys, equipment cost increases more.
The defect of above-mentioned technical proposal is at high cost.Therefore, it is necessary to the schemes of the reduction chip power-consumption of Low-cost.
Summary of the invention
The application provides a kind of device and electronic equipment for adjusting voltage, can drop under the premise of reducing cost overhead
The power consumption of low chip.
This application provides a kind of devices for adjusting voltage for first aspect, comprising:
Power module and multiple chips；
The multiple chip includes the first chip and the second chip；
The power module includes signal feedback end and voltage output end, and first chip includes first voltage input terminal
With the first signal output end, second chip includes that second voltage input terminal, the first signal input part and second signal are defeated
Outlet；
The voltage output end connects the first voltage input terminal and the second voltage input terminal；First letter
Number output end connects first signal input part；The second signal output end connects the signal feedback end；
Second chip, for receiving the first instruction letter from first chip from first signal input part
Number, first indication signal indicates first voltage；The weighted sum for calculating the first voltage and second voltage obtains third electricity
Pressure, and the second indication signal is exported from the second signal output end to the signal feedback end, second indication signal refers to
Show the tertiary voltage；
The power module, for receiving second indication signal from the signal feedback end, and according to the third
Voltage adjusts the voltage exported from the voltage output end.
The power module can adjust the voltage output end according to the indication signal from second chip and export
Voltage.First chip and the available information relevant to system load of second chip, and according to these letters
Breath calculates current system load；Then, the voltage of required voltage or required adjustment is determined according to the system load calculated, and
The next stage chip that corresponding signal sends to the power module or connects to it is generated to send.That is, described
One chip and second chip can indicate that the power module adjusts the power module according to the voltage requirements of oneself
The voltage of voltage output end output.AVS function refers to adaptive voltage scaling function, that is, is adaptively adjusted the defeated of power module
Voltage out.The power module is that the voltage that first chip and second chip provide is identical, i.e., the described voltage output
Hold the voltage exported to the first voltage input terminal and the second voltage input terminal identical.The power module can integrate
The voltage requirements of first chip and second chip adjust the output voltage of the power module, and then meet the two
The voltage requirements of chip.It is appreciated that the device of the adjustment voltage includes at least two chips, first chip is described
The upper level chip of second chip, first chip and second chip are connected by cascade mode.The power supply
Module can be an independent power supply, i.e., only multiple cascade chips are powered, not the dress to adjust voltage
Other elements in setting provide electric energy.
In the application, multiple chips share a power module, and are fed back needed for these chips using cascade mode
The voltage requirements of voltage, these comprehensive chips of the power module adjust output voltage to realize AVS function；Power supply mould can be reduced
The quantity of block, and reduce equipment cost.
In an optional implementation, the multiple chip further include:
Third chip；
The third chip includes tertiary voltage input terminal and third signal output end, and first chip further includes second
Signal input part；
The voltage output end connects the tertiary voltage input terminal, third signal output end connection second letter
Number input terminal；
The third chip, for exporting third indication signal from the third signal output end to first chip,
The third indication signal indicates the 4th voltage；First chip calculates the weighted sum of the 4th voltage and the 5th voltage,
The first voltage is obtained, and is believed from first signal output end to first signal input part output, first instruction
Number.
The device of the adjustment voltage may include three chips, i.e., described first chip, second chip and institute
State third chip；First chip is the upper level chip of second chip, and the third chip is first chip
Upper level chip.It is appreciated that the device of the adjustment voltage may include three or three or more chips, the third core
Piece is first order chip, and second chip is afterbody chip, and first chip is positioned at the third chip and institute
State the chip between the second chip.It may include at least one chip between the third chip and second chip.The application
In, the quantity for the chip that the unlimited device for setting the tone whole voltage includes.4th voltage is voltage needed for the third chip
Value or the voltage value of required adjustment；5th voltage is voltage value or the voltage of required adjustment needed for first chip
Value.It is appreciated that its upper level core can be calculated in any level-one chip between first order chip and afterbody chip
The weighted sum of the voltage value of the voltage value of piece instruction and voltage value or required adjustment needed for it, and by indication signal to
Its next stage chip is sent.
In an optional implementation, the tertiary voltage is voltage value needed for the multiple chip；
The power module is adjusted to the tertiary voltage specifically for the voltage for exporting the voltage output end.
In this implementation, it is powered by a power module for multiple chips, and according to needed for multiple chips
Voltage value adjust its output voltage；It realizes simple.
In an optional implementation, first chip includes the first feedback module, and second chip includes
Second feedback module；The output end of first feedback module connects first signal output end；The first signal input
End connects the first input end of second feedback module, and it is defeated that the output end of second feedback module connects the second signal
Outlet；
First feedback module, for determining described first according to the performance requirement and environmental parameter of first chip
Voltage；First indication signal is generated, and is exported from the output end of first feedback module to second chip；
Second feedback module, for determining described second according to the performance requirement and environmental parameter of second chip
Voltage；First indication signal is received by first signal input part；Calculate the first voltage and second electricity
The weighted sum of pressure obtains the tertiary voltage；Generate second indication signal, and from the output end of second feedback module
It exports to the signal feedback end of the power module.
Performance requirement can be system load, the i.e. load of the first chip or the second chip；It is also possible to chip according to working as
The performance that the chip of preceding system load prediction is needed in subsequent time period, i.e. the first chip or the second chip are in subsequent time period
The performance needed.Environmental parameter may include the temperature of chip, clock frequency of chip interior etc..
In this implementation, the first chip and the second chip can be true according to respective performance requirement and environmental parameter
Fixed respective required voltage, and fed back, to meet respective voltage requirements；Multiple chips can be realized using a power supply
AVS function, realize simple.
In an optional implementation, described device further include: the first hardware performance monitor and the second hardware
It can monitor；The output end of the first hardware performance monitor connects the input terminal of first feedback module；Described second
The output end of hardware performance monitor connects the second input terminal of second feedback module；
The first hardware performance monitor, for monitoring the performance requirement and environmental parameter of first chip, and it is defeated
Out to the input terminal of first feedback module；
The second hardware performance monitor, for monitoring the performance requirement and environmental parameter of second chip, and it is defeated
Out to the second input terminal of second feedback module.
The first hardware performance monitor is together with first integrated chip, and second hardware performance monitors
Device is together with second integrated chip.Alternatively, the first hardware performance monitor and first feedback module are integrated
Together, and the second hardware performance monitor is integrated with second feedback module.Alternatively, first hardware
Network Performance Monitor is together with first integrated chip, and the second hardware performance monitor and second feedback module
It integrates.The hardware performance monitor can be hardware performance monitoring circuit.The hardware performance monitor, is used for
The control of AVS closed loop voltage.First feedback module can be according to described the first of the first hardware performance monitor offer
The performance information of chip determines optimal supply voltage, to realize the performance level reached needed for first chip；Described
The performance information for second chip that two feedback modules can be provided according to the second hardware performance monitor determines best
Supply voltage, to realize the performance level reached needed for second chip.
In this implementation, the performance requirement and environmental parameter of chip are monitored by hardware performance monitor, in order to
Voltage needed for feedback module determines chip can quickly and accurately detect the performance requirement and environmental parameter of chip.
In an optional implementation, the tertiary voltage is the voltage value adjusted needed for the multiple chip；
The power module, specifically for increasing or decreasing the electricity of the voltage output end output according to the tertiary voltage
Pressure.
In this implementation, it is powered by a power module for multiple chips, and according to needed for multiple chips
The voltage value of adjustment adjusts the voltage of its output；It realizes simple.
In an optional implementation, first chip includes third feedback module, and second chip includes
4th feedback module；The output end of the third feedback module connects first signal output end；The first signal input
End connects the first input end of the 4th feedback module, and it is defeated that the output end of the 4th feedback module connects the second signal
Outlet；
The third feedback module, for calculating the output voltage of the power module and the difference of the first preset voltage,
Obtain the first voltage；First indication signal is generated, and is exported by first signal output end to described second
Chip；First preset voltage is the preset operating voltage of first chip；
4th feedback module, for calculating the output voltage of the power module and the difference of the second preset voltage,
Obtain the second voltage；First indication signal is received by the first input end；Calculate the first voltage and institute
The weighted sum for stating second voltage obtains the tertiary voltage；Second indication signal is generated, and defeated by the second signal
Outlet is exported to the power module；Second preset voltage is the preset operating voltage of second chip.
In this implementation, the voltage adjusted needed for the first chip and the second chip are fed back respectively, so that power supply mentions
The voltage of confession meets the preset operating voltage of each chip, realizes simple.
In an optional implementation, the input terminal of the third feedback module connects the first voltage input
End；Second input terminal of the 4th feedback module connects the second voltage input terminal；
The third feedback module, is also used to detect the output voltage of the power module；
4th feedback module, is also used to detect the output voltage of the power module.
The third feedback module and the 4th feedback module include voltage detection unit, and voltage detection unit can
Detect the output voltage of power supply.Specifically, the voltage that the third feedback module and the 4th feedback module respectively contain
Detection unit or voltage detecting circuit are used to detect the output voltage of the power supply.
In this implementation, third feedback module and the 4th feedback module can detecte the output voltage of voltage, into
And feed back the voltage for needing to adjust.
In an optional implementation, the first voltage is voltage value needed for first chip；Described
Two voltages are voltage value needed for second chip；
The power module is adjusted to the tertiary voltage specifically for the voltage for exporting the voltage output end.
Optionally, voltage value needed for first chip is minimum operating voltage needed for first chip；It is described
Voltage value needed for second chip is minimum operating voltage needed for second chip.
In this implementation, first chip and the second chip determine respectively required minimum operating voltage, can
To reduce power consumption.
In an optional implementation, the first voltage is the voltage value adjusted needed for first chip；Institute
Stating second voltage is the voltage value adjusted needed for second chip；
The power module increases or decreases the third electricity specifically for the voltage for exporting the voltage output end
Pressure.
In this implementation, the voltage that first chip and the second chip adjust needed for determining respectively, can be fast
The voltage of velocity modulation economize on electricity source module output.
In an optional implementation, first indication signal and second indication signal are simulation letter
Number；The amplitude of first indication signal and the first voltage are positively correlated；The amplitude of second indication signal and described the
Three voltages are positively correlated；
Alternatively, first indication signal and second indication signal are digital signal, first indication signal
In include the first voltage, include the tertiary voltage in second indication signal.
Optionally, first signal output end is connected by system bus with first signal input part；It is described
First chip sends first indication signal to second chip by system bus.
In this implementation, it is fed back by analog signal, and indicates required voltage with the height of analog signal
Size is realized simple；It is fed back by digital signal, can more accurately adjust the voltage of power module output, precision is high.
Second aspect, this application provides a kind of electronic equipment, which includes above-mentioned first aspect or above-mentioned
Device in any implementation of one side.
In the application, electronic equipment is that multiple chips are powered by a power supply, and Lai Shixian AVS function can subtract
The quantity of few power supply, and reduce equipment cost.
The third aspect, this application provides a kind of computer readable storage medium, the computer storage medium is stored with
Computer program, the computer program include program instruction, described program instruction when being executed by the second chip described in second
Chip executes the operation that the weighted sum of first voltage and second voltage is calculated in above-mentioned first aspect.
Detailed description of the invention
In order to illustrate more clearly of the technical solution in the application, will make below to required in the application or background technique
Attached drawing is illustrated.
Fig. 1 is the structural schematic diagram of a kind of electronic equipment provided by the embodiments of the present application；
Fig. 2-6 is the schematic diagram of the device of adjustment voltage provided by the embodiments of the present application.
Specific embodiment
In existing technical solution, if a chip needs to realize AVS function, which needs to possess an independence
Power module be powered.That is, each chip requires one solely if multiple chips are needed using AVS function
Vertical power module is powered.This mode needs greater number of power module, higher cost.In addition, a fairly large number of
Power supply will increase the area of pcb board.Therefore, it is necessary to the schemes of the reduction chip power-consumption of Low-cost.
Fig. 1 is the structural schematic diagram of a kind of electronic equipment provided in an embodiment of the present invention.As shown in Figure 1, electronic equipment 100
The power module 132 for including: chipset 131 and being powered for chipset 131.It include multiple chips, institute in chipset 131
Multiple chips are stated to connect in cascaded fashion.In Fig. 1 with the chipset 131 include four chips 131-1,131-2,131-3 and
131-4；For chip 131-1,131-2,131-3 and 131-4 are successively cascaded.In the specific implementation, can only be wrapped in chipset 131
Two chips are included, also may include three or more chips.Power module 132 is multiple cascades that chipset 131 includes
Chip be powered.Multiple cascade chips that chipset 131 includes can be independent from each other chip, i.e., functionally not
Association；It is also possible to the chip that is mutually related, i.e., some functions are realized in multiple chip cooperations.Power module 132 and chipset 131
It can be placed on cloth on one piece of pcb board of the electronic equipment 100.
Power module 132 can correspondingly adjust it according to the global voltage demand for multiple chips that chipset 132 includes
The voltage exported to chipset 132.
The electronic equipment 100 can also include processor, memory, communication interface, peripheral system etc..The wherein electricity
Source module 132 and the chipset 131 may be constructed the device of adjustment voltage, i.e. electronic equipment in Fig. 1 includes the tune in Fig. 2
The device of whole voltage.
It should be appreciated that electronic equipment 100 is only an example provided in an embodiment of the present invention, also, electronic equipment 100 can
With more or fewer components, two or more components can be combined, or there can be the different configurations of component to realize.
Fig. 2 shows the schematic diagrames of the device of adjustment voltage provided by the embodiments of the present application.As shown in Fig. 2, the present embodiment
Described in adjust voltage device, comprising: power module 10 and multiple chips 200；The power module 10 includes adaptive
Voltage adjusts AVS function；
The multiple chip 200 includes the first chip 20 and the second chip 30；
Above-mentioned power module 10 includes signal feedback end 101 and voltage output end 102, and above-mentioned first chip 20 includes first
Voltage input end 201 and the first signal output end 202, above-mentioned second chip 30 include second voltage input terminal 301, the first signal
Input terminal 302 and second signal output end 303；
Above-mentioned voltage output end 102 connects above-mentioned first voltage input terminal 201 and above-mentioned second voltage input terminal 301；
Above-mentioned first signal output end 202 connects above-mentioned first signal input part 302；Above-mentioned second signal output end 303 connects above-mentioned
Signal feedback end 101.Power module 10 can correspondingly adjust voltage output end 102 according to the signal that signal feedback end 101 is fed back
The voltage of output.First signal output end 202 connects by corresponding pin or passes through bus with the first signal input part 302
It is connected.First indication signal can be module by signal, be also possible to digital signal.
As shown in Fig. 2, the device of the adjustment voltage in the application can realize following voltage adjustment operations:
2001, the second chip 30, for receiving the from first chip 20 from first signal output end 202
One indication signal, first indication signal indicate first voltage.
The first voltage is voltage needed for first chip 20.
2002, the second chip 30 calculates the weighted sum of the first voltage and second voltage, obtains tertiary voltage, and from institute
It states second signal output end 303 and exports the second indication signal to the signal feedback end 101, second indication signal indicates institute
State tertiary voltage.
The second voltage is voltage needed for second chip 30.
2003, power module 10 receives second indication signal from the signal feedback end 101, and according to the third
Voltage adjusts the voltage exported from the voltage output end 102.
Optionally, first indication signal and second indication signal are analog signal.First chip 20 and
It is connected between two chips 30 by corresponding pin, i.e. the pin of the first signal output end 202 and the first signal input part 302
Pin is connected, and the first chip 20 transmits first indication signal to the second chip 30 by the first signal output end 202.Second
It is connected between chip 20 and power module 10 by corresponding pin, i.e. the pin of second signal output end 303 and signal feedback
The pin at end 101 is connected, and the second chip 30 feeds back the second instruction letter to power module 10 by second signal output end 303
Number.
Optionally, first indication signal and second indication signal are digital signal.The of first chip 20
The signal feedback end 101 of one signal output end 202, the second signal output end 303 of the second chip 30 and power module 10 is equal
Connect bus；First chip 20 transmits first indication signal to the second chip 30 by bus, i.e. the first chip 20 is from the
First indication signal is transmitted to bus by one signal output end 202, the second chip 30 by the first signal input part 302 from
Bus obtains first indication signal；Second chip 30 transmits second indication signal to power module 10 by bus,
That is second indication signal is transmitted to bus by second signal output end 303 by the second chip 30, and power module 10 passes through
Signal feedback end 101 obtains second indication signal from bus.
Above-mentioned first voltage and the corresponding weight coefficient of above-mentioned second voltage can be different.
Above-mentioned second chip 30 can preset above-mentioned first voltage and the corresponding weight coefficient of above-mentioned second voltage,
That is the corresponding weight coefficient of voltage needed for the corresponding weight coefficient of voltage needed for the first chip 20 and the second chip 30.Above-mentioned second
Preset above-mentioned first chip 20 of chip 30 weight coefficient corresponding with voltage needed for above-mentioned second chip 30 can be solid
Definite value can also be adjusted according to actual needs.For example, the corresponding weight coefficient of voltage needed for the first chip 20 is a,
The corresponding weight coefficient of voltage needed for second chip 30 is b, and first voltage needed for the first chip 20 is A, 30 institute of the second chip
The second voltage needed is B, then second chip 30 calculates the weighting of first voltage A He second voltage B using following formula
With: C=a × A+b × B.Wherein, C is the first voltage A being calculated and the weighted sum of second voltage B, i.e. third electricity
Pressure；A, b are weighting coefficient, and meet a+b=1.
The device of adjustment voltage in the application can also be achieved following voltage adjustment operations:
Step 1: the first chip 20 passes through first signal input part 302 of first signal output end 202 to the second chip 30
Third indication signal is exported, above-mentioned third indication signal indicates the 4th voltage adjusted needed for above-mentioned first chip 20.
Step 2: the second chip 30 calculates the weighted sum of above-mentioned 4th voltage and the 5th voltage, the 6th voltage is obtained, and to
Power module 10 exports the 4th indication signal.4th indication signal indicates above-mentioned 6th voltage.
Step 3: power module 10 increases or decreases the voltage of the output of voltage output end 102 according to the 6th voltage.On
Stating the 5th voltage is the voltage adjusted needed for above-mentioned second chip 30.
Power module 10 increases or decreases the voltage of the output of voltage output end 102 according to the 6th voltage, that is to say, that
The sum of voltage and the 6th voltage that power module 10 exported the voltage output end 102 originally are used as the voltage output end
The voltage exported after 102 adjustment.
It is assumed that the 6th voltage is -1V, then the voltage that power module 10 exports voltage output end 102 reduces by 1 volt (V).
It is assumed that the 6th voltage is 1V, then the voltage that power module 10 exports voltage output end 102 improves 1V.In other words, if voltage
The voltage that output end 102 exported originally is 15V, it is assumed that the 6th voltage is -1V, then power module 10 is former by voltage output end 102
Come the sum of voltage 15V exported and the 6th voltage -1V, i.e. 14V, as the voltage exported after the voltage output end 102 adjustment.
It is assumed that the 6th voltage be 1V, then the voltage 15V and the 6th voltage 1V that power module 10 exported voltage output end 102 originally it
With i.e. 16V, as the voltage exported after the voltage output end 102 adjustment.
Above-mentioned second chip 30 can preset above-mentioned 4th voltage and the corresponding weight coefficient of above-mentioned 5th voltage,
That is the corresponding weight of voltage adjusted needed for the corresponding weight coefficient of voltage and the second chip 30 that are adjusted needed for the first chip 20
Coefficient.Adjustment needed for the voltage and above-mentioned second chip 30 that are adjusted needed for preset above-mentioned first chip 20 of above-mentioned second chip 30
The corresponding weight coefficient of voltage can be fixed value, can also be adjusted according to actual needs.For example, first
The corresponding weight coefficient of voltage adjusted needed for chip 20 is m, the corresponding weight coefficient of voltage adjusted needed for the second chip 30
For n, the 4th voltage adjusted needed for the first chip 20 is C, and the 5th voltage adjusted needed for the second chip 30 is D, then this second
Chip 30 calculates the weighted sum of the 4th voltage C and the 5th voltage D: E=m × C+n × D using following formula.Wherein, E is
The weighted sum for the 4th voltage C and the 5th voltage D being calculated, i.e. tertiary voltage；M, n are weighting coefficient, and meet m+n
=1.
In the application, multiple chips share a power supply, and voltage needed for feeding back these chips using cascade mode,
The voltage requirements of these comprehensive chips of the power supply adjust output voltage to realize AVS function；The quantity of power supply can be reduced, and is dropped
Low equipment cost.
Fig. 3 shows another schematic diagram of the device of adjustment voltage provided by the embodiments of the present application, is to Fig. 2 shown device
Further refinement.As shown in figure 3, the first chip 20 includes the first feedback module 40, the second chip 30 includes the second feedback mould
Block 50；The output end 401 of first feedback module 40 connects the first signal output end 202；First signal of the second chip 30 is defeated
Enter the first input end 501 that end 302 connects second feedback module 50, the output end 502 of second feedback module 50 connects
State second signal output end 303.
The performance requirement and environmental parameter of available first chip 20 of first feedback module 40, and according to the first chip 20
Performance requirement and environmental parameter determine above-mentioned first voltage；Generate above-mentioned first indication signal, and from the first feedback module 40
The output of output end 401 to above-mentioned second chip 30.The performance requirement of available second chip 30 of second feedback module 50 and
Environmental parameter, and above-mentioned second voltage is determined according to the performance requirement and environmental parameter of the second chip 30；Believe by above-mentioned first
Number input terminal 302 receives above-mentioned first indication signal；The weighted sum for calculating above-mentioned first voltage and above-mentioned second voltage, obtains
State tertiary voltage；Above-mentioned second indication signal is generated, and from the output of the output end 502 of the second feedback module 50 to above-mentioned power supply mould
The signal feedback end 101 of block 10.
In this embodiment, each chip by the inclusion of feedback module determine the voltage needed for it, and generate corresponding
Indication signal is realized simple.
Fig. 4 shows the another schematic diagram of the device of adjustment voltage provided by the embodiments of the present application, is to Fig. 3 shown device
Further refinement.As shown in figure 4, the device further include: the first hardware performance monitor 60 and the second hardware performance monitor
70；The output end 601 of first hardware performance monitor 60 connects the input terminal 402 of the first feedback module 40；Second hardware performance
The output end 701 of monitor 70 connects the second input terminal 503 of above-mentioned second feedback module 50.
First hardware performance monitor 60 for monitoring the performance requirement and environmental parameter of the first chip 20, and exports extremely
The input terminal 402 of first feedback module 40, in order to which the first feedback module 40 determines above-mentioned first voltage；Second hardware performance prison
Device 70 is controlled, for monitor the performance requirement and environmental parameter of the second chip 30, and output is second defeated to the second feedback module 50
Enter end 503, in order to which the second feedback module 50 determines above-mentioned second voltage.
Optionally, the first hardware performance monitor 60 is integrated with the first chip 20, and the second hardware performance monitors
Device 70 is integrated with the second chip 30.Optionally, the first hardware performance monitor 60 is integrated in the first feedback module 40
Together, and the second hardware performance monitor 70 is integrated with the second feedback module 50.Optionally, the first hardware performance monitors
Device 60 is integrated with the first chip 20, and the second hardware performance monitor 70 is integrated with the second feedback module 30.
The performance information for the first chip 20 that first feedback module 40 can be provided according to the first hardware performance monitor 60,
Optimal supply voltage is determined, to realize the performance level reached needed for above-mentioned first chip 20.Second feedback module 50 can be with
According to the performance information for above-mentioned second chip 30 that the second hardware performance monitor 70 provides, optimal supply voltage is determined, with
Realize the performance level reached needed for above-mentioned second chip 30.
In this embodiment, the performance requirement and environmental parameter of chip are monitored, by hardware performance monitor in order to anti-
Voltage needed for feedback module determines chip, can quickly and accurately detect the performance requirement and environmental parameter of chip.
Fig. 5 shows the another schematic diagram of the device of adjustment voltage provided by the embodiments of the present application, is to Fig. 2 shown device
Further refinement.As shown in figure 5, the first chip 20 includes third feedback module 80, the second chip 30 includes the 4th feedback mould
Block 90；The input terminal 801 of the connection third feedback module 80 of first voltage input terminal 201；The output end 802 of third feedback module 80
Connect the first signal output end 202；First signal input part 302 connects the first input end 901 of the 4th feedback module 90；4th
The output end 902 of feedback module 90 connects second signal output end 303；Second voltage input terminal 301 connects the 4th feedback module
90 the second input terminal 903.
Optionally, the circuit of the first chip 20 and the built-in detection input voltage of the second chip 30, i.e. detection power module
The circuit of 10 output voltage, and the voltage that will test is exported respectively to third feedback module 80 and the 4th feedback module 90.
Optionally, third feedback module 80 can detecte the voltage of the first voltage input terminal 201 of the first chip 20.4th
Feedback module 90 can detecte the voltage of the second voltage input terminal 301 of the second chip 30.Specifically, 80 He of third feedback module
The circuit of the built-in detection input voltage of 4th feedback module 90.Due to first voltage input terminal 201 and second voltage input terminal
301 are all connected with the voltage output end 102 of power module 10.Therefore, the voltage of the second voltage input terminal 301 of the second chip 30 and
The voltage of the first voltage input terminal 201 of first chip 20 is the output voltage of power supply 10.That is, third feedback module
80 and the 4th feedback module 90 can detecte the output voltage of power module 10.Third feedback module 80 available first is pre-
Set voltage, available second preset voltage of the 4th feedback module 90.
Third feedback module 80 is obtained for calculating the output voltage of power module 10 and the difference of the first preset voltage
Above-mentioned 4th voltage；Above-mentioned third indication signal is generated, and exports and passes through 202 to the second chip 30 of the first signal output end；On
Stating the first preset voltage is the preset operating voltage of above-mentioned first chip 20.
4th feedback module 90 is obtained for calculating the output voltage of power module 10 and the difference of the second preset voltage
Above-mentioned 5th voltage；Above-mentioned third indication signal is received by first input end 901；Calculate above-mentioned 4th voltage and the above-mentioned 5th
The weighted sum of voltage obtains above-mentioned 6th voltage；Above-mentioned 4th indication signal is generated, and defeated by second signal output end 303
Out to power module 10；Above-mentioned second preset voltage is the preset operating voltage of above-mentioned second chip 30.
As shown in figure 5, the device can realize following voltage adjustment operations:
5001, third feedback module 80 calculates the output voltage of power module 10 and the difference of the first preset voltage, obtains
4th voltage generates the third indication signal of the 4th voltage of instruction, and exports to the second chip 30.
5002, the 4th feedback module 90 calculates the output voltage of power module 10 and the difference of the second preset voltage, obtains
Above-mentioned 5th voltage；Above-mentioned third indication signal is received by the first signal input part 302 of the second chip 30；Calculate above-mentioned
The weighted sum of four voltages and above-mentioned 5th voltage obtains above-mentioned 6th voltage；Generate the 4th instruction letter of the 6th voltage of instruction
Number, and export to power module 10.
5003, the output voltage of voltage output end 102 is increased or decreased above-mentioned 6th voltage by power module 10.
In this embodiment, the lowest reliable operating voltage that the first chip 20 is set when leaving the factory is the above-mentioned first preset electricity
Pressure；The lowest reliable operating voltage that second chip 30 is set when leaving the factory is above-mentioned second preset voltage.
Multiple chips 200 in the device of adjustment voltage provided by the embodiments of the present application may include two or more
Chip.Fig. 6 shows the another schematic diagram of the device of adjustment voltage provided by the embodiments of the present application.Fig. 6 is on the basis of Fig. 2
It increases and the cascade third chip of the first chip 20.As shown in fig. 6, multiple chips 200 further include: third chip 110；
Third chip 110 includes tertiary voltage input terminal 111 and third signal output end 112, and the first chip 20 further includes
Second signal input terminal 203；
Voltage output end 102 connects the tertiary voltage input terminal 111, and third signal output end 112 connects second signal
Input terminal 203；
Third chip 110, it is described for exporting third indication signal from third signal output end 112 to the first chip 20
Third indication signal indicates the 4th voltage；First chip 20 calculates the weighted sum of the 4th voltage and the 5th voltage, obtains institute
State first voltage.
4th voltage is voltage value needed for third chip 110, and the 5th voltage is needed for the first chip 20
Voltage value.Alternatively, the 4th voltage is the voltage value adjusted needed for third chip 110, the 5th voltage is the first chip
The voltage value adjusted needed for 20.
The device of adjustment voltage in the mode and Fig. 2 of the device adjustment voltage of adjustment voltage provided in an embodiment of the present invention
The mode for adjusting voltage is identical, and I will not elaborate.It is appreciated that no matter multiple chips 200 include how many cascade chips,
The voltage of the output of power module 10 can be adjusted by the way of in Fig. 2.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in various equivalent modifications or replace
It changes, these modifications or substitutions should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with right
It is required that protection scope subject to.
Claims (10)
1. a kind of device for adjusting voltage characterized by comprising
Power module and multiple chips；
The multiple chip includes the first chip and the second chip；
The power module includes signal feedback end and voltage output end, and first chip includes first voltage input terminal and
One signal output end, second chip include second voltage input terminal, the first signal input part and second signal output end；
The voltage output end connects the first voltage input terminal and the second voltage input terminal；First signal is defeated
Outlet connects first signal input part；The second signal output end connects the signal feedback end；
Second chip, for receiving the first indication signal from first chip from first signal input part,
First indication signal indicates first voltage；The weighted sum for calculating the first voltage and second voltage, obtains tertiary voltage,
And the second indication signal is exported from the second signal output end to the signal feedback end, second indication signal indicates institute
State tertiary voltage；
The power module, for receiving second indication signal from the signal feedback end, and according to the tertiary voltage
Adjust the voltage exported from the voltage output end.
2. the apparatus according to claim 1, which is characterized in that the multiple chip further include:
Third chip；
The third chip includes tertiary voltage input terminal and third signal output end, and first chip further includes second signal
Input terminal；
The voltage output end connects the tertiary voltage input terminal, and it is defeated that the third signal output end connects the second signal
Enter end；
The third chip, it is described for exporting third indication signal from the third signal output end to first chip
Third indication signal indicates the 4th voltage；First chip calculates the weighted sum of the 4th voltage and the 5th voltage, obtains
The first voltage.
3. device according to claim 1 or 2, which is characterized in that the tertiary voltage is needed for the multiple chip
Voltage value；
The power module is adjusted to the tertiary voltage specifically for the voltage for exporting the voltage output end.
4. device according to claim 3, which is characterized in that first chip includes the first feedback module, and described the
Two chips include the second feedback module；The output end of first feedback module connects first signal output end；Described
One signal input part connects the first input end of second feedback module, described in the output end connection of second feedback module
Second signal output end；
First feedback module determines first electricity for the performance requirement and environmental parameter according to first chip
Pressure；First indication signal is generated, and is exported from the output end of first feedback module to second chip；
Second feedback module determines second electricity for the performance requirement and environmental parameter according to second chip
Pressure；First indication signal is received by first signal input part；Calculate the first voltage and the second voltage
Weighted sum, obtain the tertiary voltage；Second indication signal is generated, and defeated from the output end of second feedback module
Out to the signal feedback end of the power module.
5. device according to claim 4, which is characterized in that described device further include: the first hardware performance monitor and
Second hardware performance monitor；The output end of the first hardware performance monitor connects the input of first feedback module
End；The output end of the second hardware performance monitor connects the second input terminal of second feedback module；
The first hardware performance monitor for monitoring the performance requirement and environmental parameter of first chip, and exports extremely
The input terminal of first feedback module；
The second hardware performance monitor for monitoring the performance requirement and environmental parameter of second chip, and exports extremely
Second input terminal of second feedback module.
6. device according to claim 1 or 2, which is characterized in that the tertiary voltage is to adjust needed for the multiple chip
Whole voltage value；
The power module, specifically for increasing or decreasing the voltage of the voltage output end output according to the tertiary voltage.
7. device according to claim 6, which is characterized in that first chip includes third feedback module, and described
Two chips include the 4th feedback module；The output end of the third feedback module connects first signal output end；Described
One signal input part connects the first input end of the 4th feedback module, described in the output end connection of the 4th feedback module
Second signal output end；
The third feedback module is obtained for calculating the output voltage of the power module and the difference of the first preset voltage
The first voltage；First indication signal is generated, and is exported by first signal output end to second chip；
First preset voltage is the preset operating voltage of first chip；
4th feedback module is obtained for calculating the output voltage of the power module and the difference of the second preset voltage
The second voltage；First indication signal is received by the first input end；Calculate the first voltage and described
The weighted sum of two voltages obtains the tertiary voltage；Second indication signal is generated, and passes through the second signal output end
It exports to the power module；Second preset voltage is the preset operating voltage of second chip.
8. device according to claim 7, which is characterized in that the input terminal connection described first of the third feedback module
Voltage input end；Second input terminal of the 4th feedback module connects the second voltage input terminal；
The third feedback module, is also used to detect the output voltage of the power module；
4th feedback module, is also used to detect the output voltage of the power module.
9. according to claim 1 to device described in 8 any one, which is characterized in that first indication signal and described
Two indication signals are analog signal；The amplitude of first indication signal and the first voltage are positively correlated；Described second refers to
The amplitude and the tertiary voltage for showing signal are positively correlated；
Alternatively, first indication signal and second indication signal are digital signal, wrapped in first indication signal
The first voltage is included, includes the tertiary voltage in second indication signal.
10. a kind of electronic equipment characterized by comprising the device of adjustment voltage as described in any one of claim 1 to 9.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104104233A (en) * | 2014-04-29 | 2014-10-15 | 浙江大学 | Small high voltage power supply module capable of rapidly discharging electricity and continuously regulating voltage |
| CN204188793U (en) * | 2014-09-10 | 2015-03-04 | 深圳市星龙科技股份有限公司 | A kind of little analog quantity electric energy meter and digitalized electrical energy meter calibration equipment |
| CN204214960U (en) * | 2014-09-10 | 2015-03-18 | 深圳市星龙科技股份有限公司 | A kind of device detected for merge cells |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104104233A (en) * | 2014-04-29 | 2014-10-15 | 浙江大学 | Small high voltage power supply module capable of rapidly discharging electricity and continuously regulating voltage |
| CN204188793U (en) * | 2014-09-10 | 2015-03-04 | 深圳市星龙科技股份有限公司 | A kind of little analog quantity electric energy meter and digitalized electrical energy meter calibration equipment |
| CN204214960U (en) * | 2014-09-10 | 2015-03-18 | 深圳市星龙科技股份有限公司 | A kind of device detected for merge cells |
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