CN109254614A - Electronic device, applied to power circuit of the electronic device and associated method - Google Patents
Electronic device, applied to power circuit of the electronic device and associated method Download PDFInfo
- Publication number
- CN109254614A CN109254614A CN201810236097.4A CN201810236097A CN109254614A CN 109254614 A CN109254614 A CN 109254614A CN 201810236097 A CN201810236097 A CN 201810236097A CN 109254614 A CN109254614 A CN 109254614A
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- CN
- China
- Prior art keywords
- circuit
- voltage signal
- efficiency index
- information provision
- electronic device
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
- G05F1/561—Voltage to current converters
Abstract
A kind of power circuit applied to an electronic device, include a control circuit and a power supply circuit, wherein the control circuit is coupled at least circuit in the electronic device, and an information provision is generated according to an at least efficiency index for an at least circuit, wherein the information provision is set comprising an optimum voltage signal, and optimum voltage signal setting is by produced by a Performance Coefficient corresponding to each efficiency index in this at least an efficiency index；The power supply circuit is coupled to the control circuit and an at least circuit, and dynamically provides a voltage signal to an at least circuit according to the information provision.
Description
Technical field
The present invention relates to a kind of power circuits, in particular to a kind of that supplied electricity is dynamically adjusted according to circuit state
Press the power circuit of signal.
Background technique
In general, in electronic device to supply the power circuit of power supply must supply simultaneously power give it is multiple with not
The circuit of congenerous, the voltage signal that traditional power circuit is supplied and the adjustability without height, and due to every kind of electricity
Efficiency that road is most valued is different, such as some circuits pay attention to low noise and some circuit requirement maximum load currents etc., therefore every
The kind required voltage signal of circuit is not identical, when all circuits receive same voltage signal simultaneously, and can not be simultaneously
Optimize the performance of all circuits, for example, when the voltage signal supplied is to optimize in multiple circuits
When the first circuit, therefore the efficiency of second circuit or tertiary circuit will be affected, it is therefore desirable to it is a kind of can be according to circuit kind
Class and state dynamically supply the power circuit of voltage signal.
Summary of the invention
One of the objects of the present invention is to provide a kind of electronic device, applied to the power circuit and phase of the electronic device
Pass method solves the above problems.
An embodiment according to the present invention discloses a kind of power circuit applied to an electronic device, the power circuit packet
Containing a control circuit and a power supply circuit, wherein the control circuit is coupled at least circuit in the electronic device,
And an information provision is generated according to an at least efficiency index for an at least circuit, wherein the information provision includes one best
Voltage signal setting, and optimum voltage signal setting is by corresponding to each efficiency index in this at least an efficiency index
A Performance Coefficient produced by；The power supply circuit is coupled to the control circuit and an at least circuit, and according to this
Information provision dynamically provides a voltage signal to an at least circuit.
An embodiment according to the present invention discloses a kind of method applied to an electronic device, includes: according to this at least one
At least efficiency index of circuit generates an information provision, and wherein the information provision includes optimum voltage signal setting, and
Optimum voltage signal setting is by a Performance Coefficient institute corresponding to each efficiency index in this at least an efficiency index
It generates；And a voltage signal is dynamically provided to an at least circuit according to the information provision.
An embodiment according to the present invention, discloses a kind of electronic device, which includes an at least circuit, a control
Circuit and a power supply circuit, wherein the control circuit is coupled at least circuit in the electronic device, and according to
At least efficiency index of an at least circuit generates an information provision, and wherein the information provision includes an optimum voltage signal
Setting, and optimum voltage signal setting is by an efficiency corresponding to each efficiency index in this at least an efficiency index
Produced by coefficient；The power supply circuit is coupled to the control circuit and an at least circuit, and according to the information provision
A voltage signal is dynamically provided to an at least circuit.
Detailed description of the invention
Fig. 1 is the schematic diagram of electronic device according to an embodiment of the invention.
Fig. 2 is the schematic diagram according to an embodiment of the invention according to efficiency index dynamic provisioning voltage signal.
Symbol description
10 electronic devices
11 power circuits
110 control circuits
120 power supply circuits
130 circuit set
130_1,130_2,130_n circuit
Vsig voltage signal
Co1, Co2, Con Performance Coefficient
PI1, PI2, PIn efficiency index
The t1-t4 time cycle
The setting of Vs_opt optimum voltage signal
Specific embodiment
Some vocabulary has been used in specification and subsequent claim to censure specific element.In fields
Technical staff is, it is to be appreciated that hardware manufacturer may call the same element with different nouns.This specification and subsequent
Claim not by the difference of title as distinguish element in a manner of, but with the difference of element functionally as
The criterion of differentiation.It is an open term in the "comprising" of specification in the whole text and subsequent claim mentioned in, therefore
It should be construed to " including but not limited to ".In addition, " coupling " word includes any direct and indirect electrical connection herein,
Therefore, if it is described herein that a first device is coupled to a second device, then this can be directly electrically connected in by representing the first device
Second device, or be electrically connected indirectly by other devices or connection means to the second device.
Fig. 1 is the schematic diagram of electronic device 10 according to an embodiment of the invention, as shown in Figure 1, electronic device 10 includes
One power circuit 11 and a circuit set 130, wherein power circuit 11 includes a control circuit 110, power supply supply electricity
Road 120, circuit set 130 are made of an at least circuit, in this present embodiment, circuit set 130 include circuit 130_1,
Circuit 130_2, circuit 130_n, wherein n is a positive integer for being greater than 2, it should be noted that, the present invention does not limit circuit set
130 circuit quantities for being included and the wherein type of circuit, for example, circuit 130_1 can be a radio circuit, circuit
130_2 can be an analog circuit, such as an amplifier, the effect that circuit 130_1, circuit 130_2, circuit 130_n most value
Can index it is respectively different, be respectively efficiency index PI1, efficiency index PI2, efficiency index PIn, for example efficiency index
PI1-PIn can be power loss, noise or maximum load current etc., but this is not a limitation of the invention.
Referring again to FIGS. 1, control circuit 110 can be examined initiatively when control circuit 110 is coupled to circuit set 130
Survey or passively receive circuit (such as circuit 130_1, circuit 130_2, the circuit 130_ being currently running in circuit set 130 at this time
N) efficiency index PI1-PIn and providing an information provision Info makes power supply circuit 120 can be with to power supply circuit 120
A voltage signal Vsig is dynamically provided according to information provision Info, wherein information provision Info includes that an optimum voltage signal is set
The information for determining Vs_opt can be buffer setting, control signal or simple switching control, wherein optimum voltage signal
Transmission mode and the information for being included can have different designs according to different embodiments, and the present invention is not limited thereto.Citing
For, when using optimum voltage signal setting Vs_opt to provide voltage signal Vsig when, will effectively by circuit 130_1 most
The efficiency index PI1 (for example, power loss) valued is optimized, and similarly, is set when using different optimum voltage signals
(citing comes the efficiency index PI2 for determining Vs_opt when providing voltage signal Vsig, effectively will most value circuit 130_2
Say, noise) it optimizes.It is noted that in this present embodiment, voltage signal sets the work that may include voltage signal Vsig
Period, frequency, phase, amplitude, voltage strength or voltage supplying mode etc., wherein voltage supplying mode may include that pulse is wide
Spend modulating mode (Pulse Width Modulation, PWM) or pulse frequency modulated mode (Pulse
FrequencyModulation, PFM) etc., but a limitation of this and non-present invention, it only should be noted the original idea of voltage signal Vsig
It is that the efficiency index for most valuing circuit 130_1-130_n optimizes.When circuit 130_1-130_n is run simultaneously, control
Circuit 130 determines optimal electricity according to the efficiency index (PI1~PIn) of needs and the efficiency weight (Co1~Con) given
Setting value Vs_opt is supplied in source.Specifically, when only having circuit 130_1 operation in circuit set 130, control circuit 110 is connect
It receives or detects efficiency index PI1, and obtain setting Vs_opt of the optimum voltage signal corresponding to it, at this time due to there was only a kind of effect
Can index need to pay close attention to, control circuit 110 sets the Performance Coefficient Co1 that arrives corresponding to efficiency index PI1 as 1, and transmits packet
To power supply circuit 120, power supply circuit 120 then leads to information provision Info containing optimum voltage signal setting Vs_opt
The notice for crossing information provision info sets voltage signal Vsig with optimum voltage signal setting Vs_opt, and is sent to circuit
130_1, therefore circuit 130 can be allowed to operate in the state that efficiency index PI1 is best；And working as in circuit set 130 has electricity
At runtime, control circuit 110 receives or detects efficiency index PI1 and PI2, and control circuit 110 can root by road 130_1 and 130_2
According to designer consider or practical application situation sets Performance Coefficient Co1 and Co2 is set separately, such as by Performance Coefficient Co1
Performance Coefficient Co2 is set as 0.3 for 0.7, is obtained most preferably according to efficiency index PI1, PI2 and Performance Coefficient Co1, Co2
Voltage signal set Vs_opt, and transmit include optimum voltage signal setting Vs_opt information provision Info to power supply supply
Circuit 120 is answered, then the voltage signal Vsig of power supply circuit 120 supplied to circuit 130_1 and 130_2 are to be directed to efficiency system
Number Co1 are 0.7 and Performance Coefficient Co2 is 0.3 most workizations as a result, but the present invention is not limited thereto system, Performance Coefficient and most
The component ratio of the setting of voltage signal included in voltage signal Vsig is not limited to identical afterwards, and the present embodiment is only
One example explanation, when n-th of Performance Coefficient is higher, n-th of efficiency index weight of voltage signal Vsig reference is higher.Separately
Outside, it should be noted that, when control circuit 110 obtains multiple efficiency indexs (such as PI1 and PI2), do not limit by control circuit
Performance Coefficient Co1 and Co2 corresponding to 110 settings in real time, electronic device 10 can additionally comprise a storage device and (be not depicted in figure
In 1), wherein the storage device has comparison list in advance, which shows situation and the institute of various efficiency index collocation
Corresponding Performance Coefficient.In addition, it is noted that each efficiency index (such as efficiency index PI1-PIn) optimized electricity can be made
Signal setting is pressed, equally can separately be stored in the storage device, make control circuit 110 can after obtaining efficiency index PI1-PIn
Corresponding voltage signal setting is obtained in the storage device.In addition, in other embodiments, several letters can be predetermined
The option changed, under different situations, to select the voltage signal being more suitble to set in limited option respectively.
Fig. 2 is the schematic diagram according to an embodiment of the invention according to efficiency index dynamic provisioning voltage signal, Yu Benshi
It applies in example, it is assumed that n is positive integer 3, that is, includes circuit 130_1,130_2 and 130_3 in circuit set 130, such as Fig. 2 institute
Show, in time cycle t1, only circuit 130_1 is being run, and control circuit 110 obtains efficiency index PI1 at this time, and sets accordingly
Determining Performance Coefficient Co1 is 1；Then, in time cycle t2, only circuit 130_3 is being run, and control circuit 110 obtains at this time
Efficiency index PI3, and Performance Coefficient Co3 is set accordingly as 1；In time cycle t3, there is circuit 130_1 and 130_2 running,
Control circuit 110 obtains efficiency index PI1 and PI2 at this time, and set (or according to table look-up) Performance Coefficient Co1 as 0.7 and efficiency
Coefficient Co2 is 0.3；In time cycle t4, there are circuit 130_1,130_2 and 130_3 running, at this time control circuit 110
Obtain efficiency index PI1, PI2 and PI3, and set (or according to table look-up) Performance Coefficient Co1 as 0.2, Performance Coefficient Co2 be 0.3
And Performance Coefficient Co3 is 0.5.And control circuit can determine optimal Vs at that time in t1, t2, t3, t4.It is noted that
The length of time cycle t1-t4 shown in Fig. 2 is only example explanation, and physical length depends on the operation conditions of circuit.
Simple to conclude the present invention, the present invention discloses a kind of electronic device and the power circuit applied to the electronic device,
Wherein power circuit can be according to the circuit operation conditions in electronic device and the efficiency index valued come by dynamically adjusting
Whole voltage signal is as far as possible by the optimizing effect of all circuits.
The above description is only a preferred embodiment of the present invention, all equivalent changes done according to the claims in the present invention with repair
Decorations, are all covered by the present invention.
Claims (10)
1. a kind of power circuit applied to an electronic device, includes:
One control circuit, at least circuit being coupled in the electronic device, wherein the control circuit to according to this at least one
At least efficiency index of circuit generates an information provision, and wherein the information provision includes optimum voltage signal setting, and
Optimum voltage signal setting is by a Performance Coefficient institute corresponding to each efficiency index in this at least an efficiency index
It generates；And
One power supply circuit is coupled to the control circuit and an at least circuit, and wherein the power supply circuit is according to this
Information provision dynamically provides a voltage signal to an at least circuit.
2. power circuit as described in claim 1, wherein optimum voltage signal setting comprising a duty cycle, a frequency,
One phase, an amplitude, a voltage strength and a voltage supplying mode.
3. power circuit as described in claim 1, wherein the power supply circuit is set according to the optimum voltage signal to supply
When answering voltage signal, which is set in ratio and the Performance Coefficient shared in the voltage signal to be positively correlated.
4. power circuit as described in claim 1, wherein an at least efficiency index is made an uproar including at least a power loss value, one
Sound value or a maximum load current.
5. a kind of method applied to an electronic device, includes:
An information provision is generated according to an at least efficiency index for an at least circuit, wherein the information provision system includes one best
Voltage signal setting, and optimum voltage signal setting is by corresponding to each efficiency index in this at least an efficiency index
A Performance Coefficient produced
It is raw；And
A voltage signal is dynamically provided to an at least circuit according to the information provision.
6. method as claimed in claim 5, wherein optimum voltage signal setting includes a duty cycle, a frequency, a phase
Position, an amplitude, a voltage strength and a voltage supplying mode.
7. method as claimed in claim 5, wherein being set according to the optimum voltage signal come when supplying voltage signal, this is best
Voltage signal is set in ratio and the Performance Coefficient shared in the voltage signal to be positively correlated.
8. method as claimed in claim 5, wherein an at least efficiency index includes at least a power loss value, a noise figure
An or maximum load current.
9. a kind of electronic device, includes:
An at least circuit；
One control circuit is coupled to an at least circuit, and wherein the control circuit is to according at least the one of an at least circuit
Efficiency index generates an information provision, and wherein the information provision includes optimum voltage signal setting, and the optimum voltage is believed
Number setting is by produced by a Performance Coefficient corresponding to each efficiency index in this at least an efficiency index；And
One power supply circuit is coupled to the control circuit and an at least circuit, and wherein the power supply circuit is according to this
Information provision dynamically provides a voltage signal to an at least circuit.
10. electronic device as claimed in claim 9, wherein optimum voltage signal setting comprising a duty cycle, a frequency,
One phase, an amplitude, a voltage strength and a voltage supplying mode.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201762531886P | 2017-07-13 | 2017-07-13 | |
| US62/531,886 | 2017-07-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109254614A true CN109254614A (en) | 2019-01-22 |
| CN109254614B CN109254614B (en) | 2020-08-07 |
Family
ID=65051362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810236097.4A Active CN109254614B (en) | 2017-07-13 | 2018-03-21 | Electronic device, power supply circuit applied to electronic device and related method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109254614B (en) |
| TW (1) | TWI659588B (en) |
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| US20020029352A1 (en) * | 1998-12-30 | 2002-03-07 | Shekhar Y. Borkar | Software control of transistor body bias in controlling chip parameters |
| CN101917113A (en) * | 2010-08-19 | 2010-12-15 | 苏州佳世达电通有限公司 | Power supply circuit, power supply mode control circuit and control method |
| CN102237032A (en) * | 2010-05-06 | 2011-11-09 | 立锜科技股份有限公司 | Flat panel display, light emitting module for use in flat panel display, and integrated circuit for use in light emitting module |
| CN102904442A (en) * | 2011-07-29 | 2013-01-30 | 瑞昱半导体股份有限公司 | Power supply circuit and power supply method |
| CN103869852A (en) * | 2012-12-18 | 2014-06-18 | 宏碁股份有限公司 | Voltage regulating device and electronic device |
| US9698597B1 (en) * | 2012-11-14 | 2017-07-04 | Atmel Corporation | Adjustable power and system efficiency maximizing scheme using micro-controllers |
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| US6748545B1 (en) * | 2000-07-24 | 2004-06-08 | Advanced Micro Devices, Inc. | System and method for selecting between a voltage specified by a processor and an alternate voltage to be supplied to the processor |
| TWI235553B (en) * | 2004-09-03 | 2005-07-01 | Feature Integration Technology | System for regulating operation performance of electronic device |
| US8362642B2 (en) * | 2007-03-01 | 2013-01-29 | Rambus Inc. | Optimized power supply for an electronic system |
| US20080307240A1 (en) * | 2007-06-08 | 2008-12-11 | Texas Instruments Incorporated | Power management electronic circuits, systems, and methods and processes of manufacture |
| CN102695997A (en) * | 2010-01-05 | 2012-09-26 | 3M创新有限公司 | Method, apparatus, and system for supplying pulsed current to a load |
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2018
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- 2018-03-21 CN CN201810236097.4A patent/CN109254614B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020029352A1 (en) * | 1998-12-30 | 2002-03-07 | Shekhar Y. Borkar | Software control of transistor body bias in controlling chip parameters |
| CN102237032A (en) * | 2010-05-06 | 2011-11-09 | 立锜科技股份有限公司 | Flat panel display, light emitting module for use in flat panel display, and integrated circuit for use in light emitting module |
| CN101917113A (en) * | 2010-08-19 | 2010-12-15 | 苏州佳世达电通有限公司 | Power supply circuit, power supply mode control circuit and control method |
| CN102904442A (en) * | 2011-07-29 | 2013-01-30 | 瑞昱半导体股份有限公司 | Power supply circuit and power supply method |
| US9698597B1 (en) * | 2012-11-14 | 2017-07-04 | Atmel Corporation | Adjustable power and system efficiency maximizing scheme using micro-controllers |
| CN103869852A (en) * | 2012-12-18 | 2014-06-18 | 宏碁股份有限公司 | Voltage regulating device and electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109254614B (en) | 2020-08-07 |
| TW201909512A (en) | 2019-03-01 |
| TWI659588B (en) | 2019-05-11 |
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