CN104656866B - Electric power management circuit, power-supply management system and Circuit management method - Google Patents
Electric power management circuit, power-supply management system and Circuit management method Download PDFInfo
- Publication number
- CN104656866B CN104656866B CN201410589413.8A CN201410589413A CN104656866B CN 104656866 B CN104656866 B CN 104656866B CN 201410589413 A CN201410589413 A CN 201410589413A CN 104656866 B CN104656866 B CN 104656866B
- Authority
- CN
- China
- Prior art keywords
- power
- decoding circuit
- circuit
- power supply
- source modes
- Prior art date
- 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.)
- Expired - Fee Related
Links
Landscapes
- Power Sources (AREA)
Abstract
Embodiment of the disclosure is related to a kind of electric power management circuit, power-supply management system and method for managing power supply.Electric power management circuit includes: the first decoding circuit；Multiple electric source modes registers；And second decoding circuit；Wherein at least one of the first predetermined logic and the second predetermined logic be can be programmed.Since the first decoding circuit and/or the second decoding circuit can be programmed, so not needing to different electric source modes and/or different number of power consumption device independent design logic circuit, the complexity for reducing circuit design enhances the versatility of circuit and reduces the cost of product in turn.
Description
Cross reference to related applications
This application claims the equity for the U.S. Provisional Patent Application Serial No. 61/906,070 that on November 19th, 2013 submits,
Entire contents are all incorporated herein by reference.
Technical field
Embodiment of the disclosure is related to field of microprocessors, the in particular to electricity of application processor or microprocessor (MCU)
Power management circuits, embodiment of the disclosure further relate to a kind of power-supply management system and Circuit management method.
Background technique
Continuous improvement with people to electronic functionalities level requirement, powder consumption of electronic equipment are also constantly increasing.With
Paradoxically, the size of electronic equipment is but constantly reducing, and the working time is also constantly extending, the power supply system of electronic equipment
Reason under the overall leadership faces the increasing pressure.In general, power-supply management system is connected with multiple power consumption device, for filling to power consumption
Offer voltage is provided.Power consumption device is, for example, CPU, memory, I/O interface, USB interface, peripheral equipment etc..On the one hand, different
Power consumption device usually requires different driving voltages, and the driving power of different applications or MCU model may also be different, for example,
As illustrative examples, CPU supply voltage is 1.2V；I/O pin voltage is 3.3V, and USB supply voltage is 5V etc..Another party
Face, in order to save electric power, electronic equipment needs to operate in different modes, and in the exemplary embodiment, electronic equipment is for example
There are three operating mode, normal mode, idle mode, sleep pattern etc., in different modes, different power consumption device works
Make or do not work, to save electric power.Therefore, for power management, the application processor of system on chip (SoC) or insertion
Microsever chip needs to support multiple electric source modes.
Fig. 1 illustrates a kind of traditional power management state machine and interrelated logic.As shown in Figure 1, power management system
System tool is there are three electric source modes PM0-PM2, logic 1, the logic that each electric source modes PM0, PM1, PM2 pass through respective independent design
2, logic 3 and the input 1-3 that is connected corresponding to each logic 1-3 realize respective electric source modes switching, as shown by arrows in figure
Electric source modes switching, sequence switches in the way of PM0-PM1-PM2-PM0, and PM0, PM1, PM2- rise to be realized most using logic 4
Whole output.
Traditional power management logic has following problem.Each electric source modes (PM0, PM1, PM2) have oneself independent
The logic (logic 1, logic 2, logic 3) of design, the switching between each electric source modes are realized using the logic of independent design.This
Kind conventional power source management logic has specificity, only can be suitably used for the power management with particular power source mode.For example, Fig. 1 institute
The logic circuit shown only can be suitably used for the power management of three electric source modes, when the number of electric source modes changes, such as
The number of electric source modes from three be changed to four when, then entire logic must be redesigned.This is resulted in as a electronic equipment
The Power Management Unit of exploitation cannot be directly used in the electronic equipment that another money has different electrical power mode.On the other hand, this
Kind conventional power source management logic is fixed, once after logical design is good, it can only be switched over according to specific mode, example
Such as, in logic circuit shown in Fig. 1, power supply switch mode can only switch in the way of PM0-PM1-PM2-PM0.This
It is not flexible to allow for circuit-mode switching, if it is desired to switch over according to other different order, then must redesign
Entire circuit.This leads to the poor universality of product, needs to carry out overlapping development, wastes a large amount of manpower and material resources.In addition, being each
Electric source modes design independent logic, and it is long that this naturally results in product development cycle, at high cost.This allows for developing one kind can
It is common to the power management of different electrical power mode and is capable of the electric power management circuit of free switching electric source modes as needed
Demand becomes urgent.
Summary of the invention
In consideration of it, the first purpose of the disclosure is to provide a kind of electric power management circuit, the above-mentioned prior art can reduce
In one or more aspect the problem of.
According to the one side of the disclosure, a kind of electric power management circuit is provided, comprising: the first decoding circuit has multiple defeated
Enter end and multiple output ends, for believing the multiple power supply requirements received on the multiple input terminal according to the first predetermined logic
Number multiple M signals are transformed into, and are exported respectively by the multiple output end；Multiple electric source modes registers, often
A electric source modes register has an input terminal and an output end, and the multiple electric source modes register is used for institute
The multiple M signal for stating the output of the first decoding circuit is deposited respectively；And second decoding circuit, have multiple defeated
Entering end and multiple output ends, the multiple input terminal is connect with the corresponding output end of the multiple electric source modes register respectively,
Second decoding circuit is used for the multiple intermediate letter that will be received on the multiple input terminal according to the second predetermined logic
Number multiple power control signals are transformed into, and are exported respectively by the multiple output end；Wherein described first is predetermined
At least one of logic and second predetermined logic are can be programmed.
According to one embodiment of the disclosure, first decoding circuit and second decoding circuit are disposable volume
The programmable logic array that journey uses.
According to one embodiment of the disclosure, electric power management circuit further includes internal feedback loop, and the internal feedback is returned
Road arises from each output end of the multiple electric source modes register and terminates in the respective input of first decoding circuit.
According to one embodiment of the disclosure, electric power management circuit further includes feed-forward loop, and the feed-forward loop will be described
At least one of multiple power supply requirement signals are connected to the input terminal of second decoding circuit.
According to one embodiment of the disclosure, one or more electric source modes registers more than actual needs number are covered
It covers.
According to one embodiment of the disclosure, in second decoding circuit more than one of number actually required or
Multiple output ends are masked.
According to another aspect of the present disclosure, a kind of power-supply management system is provided, comprising: Power Management Unit above-mentioned；With
And power regulator, there is multiple input terminals and multiple voltage output ends；Wherein, second decoding circuit is the multiple defeated
Outlet is connected respectively to provide multiple power supply controls to the power regulator with the corresponding input terminal of the power regulator
Signal processed；Wherein, multiple input terminals of the Power Management Unit are as the input terminal of the power-supply management system to receive
Power supply requirement signal, output end of the multiple voltage output end of the power regulator as the power-supply management system；
Wherein, the power regulator is configured in response to the power control signal from the Power Management Unit and output phase is answered
Voltage.
According to one embodiment of the disclosure, power-supply management system further includes multiple switch, each of described switch
It connects with corresponding power consumption device to be powered and is configured in response to the power control signal and on-off.
According to another aspect of the present disclosure, a kind of method for managing power supply is provided, comprising: compile using according to the first predetermined logic
Multiple power supply requirement signals are transformed into multiple M signals by the first decoding circuit of journey；Utilize multiple electric source modes register pairs
The multiple M signal is deposited respectively；And utilization will be posted according to the second decoding circuit that the second predetermined logic programs
The multiple M signal deposited is transformed into multiple power control signals and is used as output.
According to one embodiment of the disclosure, method for managing power supply further includes that will post in the multiple electric source modes register
At least one of multiple M signals deposited feed back to the respective input of first decoding circuit.
According to one embodiment of the disclosure, method for managing power supply further include by the multiple power supply requirement signal extremely
A few feedforward is to second decoding circuit as input.
According to one embodiment of the disclosure, method for managing power supply further includes will be more than one or more of actual needs number
A electric source modes register masking.
According to one embodiment of the disclosure, method for managing power supply further includes by being more than in fact in second decoding circuit
The one or more output ends masking for the number that border needs.
Using the electric power management circuit and power-supply management system of the application, since the first decoding circuit and/or second decode
Circuit can be programmed, and not need to use different electric source modes and/or different number of power consumption device independent design logic circuit
Family haves no need to change the hardware configuration of circuit, can be with only by being programmed to the first decoding circuit and/or the second decoding circuit
The switching of the electric source modes of arbitrary finite number and/or the power supply of any number of power consumption device are realized according to the requirement of equipment,
The complexity for reducing circuit design enhances the versatility of circuit and reduces the cost of product in turn.
Detailed description of the invention
Now embodiment of the disclosure will be described with reference to appended attached drawing only by way of example, in which:
Fig. 1 schematically illustrates a kind of traditional power management state machine and interrelated logic；
Fig. 2 schematically illustrates the electric power management circuit of one embodiment according to the disclosure；
Fig. 3 schematically illustrates electric power management circuit according to another embodiment of the present disclosure；
Fig. 4 schematically illustrates the power-supply management system of one embodiment according to the disclosure；
Fig. 5 schematically illustrates the implementation of any of first and second decoding circuits；And
Fig. 6 schematically illustrates the flow chart of the method for managing power supply of one embodiment according to the disclosure.
Specific embodiment
Now embodiment of the disclosure is specifically described in conjunction with attached drawing.It should be noted that similar in attached drawing
Component or functional unit may use same number mark.Appended attached drawing is intended only to illustrate embodiment of the disclosure.
Those skilled in the art can obtain choosing from the description below on the basis of without departing from disclosure spirit and scope for skill
Art scheme.
Embodiment of the present disclosure relates generally to a kind of electric power management circuit suitable for power-supply management system.It is general and
Speech, electronic equipment are arranged the power-supply management system that the power consumption device of promising electronic equipment is powered, power-supply management system according to
The difference of electronic equipment and with multiple voltage output modes (for example, N, N are 2 or more integer).In every kind of electric source modes
Under, power-supply management system is that different number of power consumption device (integer that for example, M, M are 2 or more) is powered.The disclosure
Electric power management circuit is designed to (or external in response to the power supply requirement signal that issues from multiple power consumption device or other devices
Input signal) and export to control the power control signal (or output signal) of multiple power consumption device power supplies.
For example, voltage output mode there are four types of electronic equipment (such as computer, notebook, mobile phone an etc.) tools,
For example, the first operating mode (PM0), the second operating mode (PM1), idle mode (PM2), sleep pattern (PM3)；And electricity
Sub- equipment shares 5 power consumption device, such as CPU, memory, the first to the 3rd I/O peripheral unit, these devices are for example referred to as
Power consumption device [0]-[4]).Such as at idle mode (PM2), power-supply management system is that 2 devices are powered, and is for example, consumed
Electric installation [0]-[1] power supply, without not powering to power consumption device [2]-[4].Such as at the first operating mode (PM0), power supply
Management system is that 4 devices are powered, and for example, power consumption device [0]-[3] power, without not powering to power consumption device [4].
At idle mode (PM2), from electric power management circuit output signal [1,1,0,0,0].If necessary to change from idle mode (PM2)
Become the first operating mode (PM0), then desirably electric power management circuit according to the request signal of change pattern utilize electric source modes
Output signal is changed to [1,1,1,1,0] from [1,1,0,0,0] by the logic of circuit, and idle mode (PM2) can be realized to
The change of one operating mode (PM0).Those skilled in the art is it should be understood that above-mentioned output signal is only exemplary
, those skilled in the art can be transformed into other output signal types.
Pass through above-mentioned example, it is to be understood that the working method of the electric power management circuit of the disclosure.According to the power supply of the disclosure
Management circuit can be realized the free switching of electric source modes.According to the electric power management circuit of the disclosure, even if the number of electric source modes
Mesh arbitrarily changes and/or the number of power consumption device arbitrarily changes, do not need the physical structure to electric power management circuit do it is any
In the case where change, designer can by circuit programmable unit freely program realization desirably electric source modes oneself
By switching.
Embodiment of the disclosure is described in detail with reference to the accompanying drawing.Fig. 2 schematically illustrates one according to the disclosure
The electric power management circuit of embodiment.As shown in Fig. 2, according to the electric power management circuit 10 of the disclosure, comprising: the first decoding circuit
100, there is multiple input terminals and multiple output ends, for multiple by what is received on multiple input terminals according to the first predetermined logic
Power supply requirement signal is transformed into multiple M signals, and is exported respectively by multiple output ends；Multiple electric source modes are posted
Storage 300, each electric source modes register 300 have an input terminal and an output end, multiple electric source modes registers 300
Multiple M signals for exporting to the first decoding circuit 100 are deposited respectively；Second decoding circuit 200 has multiple
Input terminal and multiple output ends, multiple input terminals are connect with the corresponding output end of multiple electric source modes registers 300 respectively, and second
Decoding circuit 200 is used to that the multiple M signals received on multiple input terminals to be transformed into multiple electricity according to the second predetermined logic
Source controls signal, and is exported respectively by multiple output ends；Wherein in the first predetermined logic and the second predetermined logic
At least one is can be programmed.
As shown in Figure 2, the input terminal of the first decoding circuit 100 and output end respectively with power supply requirement signal and power supply mould
Formula register 300 is connected.The input terminal and output end of second decoding circuit 200 respectively with electric source modes register 300 and power supply
Signal is controlled to be connected.First decoding circuit 100 and the second decoding circuit 200 are patrolled according to the first predetermined logic and second are predetermined respectively
It collects and signal is handled.
At least one of first predetermined logic and the second predetermined logic are can be programmed.Being in the first predetermined logic can
In the case where programming, as previously described, because the input terminal and output end of the first decoding circuit 100 respectively with power supply requirement signal and
Electric source modes register 300 is connected, therefore for the electronic equipment of different electrical power mode, if the power supply mould of electronic equipment
The number of formula changes (i.e. the numerical value of N changes), and designer only needs to compile the first decoding circuit 100 again
Journey only needs to change the first predetermined logic, haves no need to change the physical structure of the first decoding circuit.With existing skill
It compares in art, do not need to redesign independent logic for each electric source modes and is being designed each as the prior art
Need to redesign the switch logic between electric source modes after logic, designer only needs to the defeated of the first decoding circuit 100
The relationship entered between output is reprogramed, and the free switching of electric source modes can be realized.Similarly, in the second predetermined logic
Be in programmable situation, as previously mentioned, the input terminal and output end of the second decoding circuit 200 respectively with electric source modes register
(the i.e. numerical value of M in the case that 300 are connected with power control signal, therefore the number of the power consumption device of electronic equipment changes
Change), designer only needs to reprogram the second decoding circuit 200, i.e., it is pre- only to need to change first
Determine logic, haves no need to change the physical structure of the second decoding circuit 200.Compared in the prior art, do not need to be terrible
Power supply output to the end redesigns independent logic, since the relationship between the input and output of the second decoding circuit 200 is
Programmable, designer only needs to reprogram the relationship between 200 input and output of the second decoding circuit, Ji Keshi
The output control of existing any number of power consumption device.
According to one embodiment of the disclosure, the first decoding circuit 100 and the second decoding circuit 200 are one time programming
The programmable logic array (PAL) used.The programmable logic array (PAL) used due to this one time programming is this field
Known to technical staff, its detailed description is omitted.One is embodied as in the first decoding circuit 100 and the second decoding circuit 200
In the case where the programmable logic array that secondary property programming uses, any change is done not needing the physical structure to electric power management circuit
In the case where change, it is only necessary to the first predetermined logic and the second predetermined logic be changed independently, the number of electric source modes can be met
Arbitrarily change the requirement arbitrarily changed with the number of power consumption device.
Fig. 3 schematically illustrates electric power management circuit according to another embodiment of the present disclosure.In Fig. 3 and Fig. 2
The same or similar appended drawing reference indicates the same or similar component.Electric power management circuit shown in Fig. 3 and power supply shown in Fig. 2
It is roughly the same to manage circuit, only illustrates its difference.
According to one embodiment of the disclosure, Power Management Unit 10 ' including the first decoding circuit 100 ', second in addition to translating
It further include internal feedback loop 400, internal feedback loop 400 arises from more other than code circuit 200 ', electric source modes register 300 '
Each output end of a electric source modes register 300 ' and the respective input for terminating in the first decoding circuit 100 '.Internal feedback
At least one of the M signal deposited in electric source modes register 300 ' is fed back to the first decoding circuit 100 ' by circuit 400
Input terminal.Compared with embodiment shown in Fig. 2, in the case that Power Management Unit further includes internal feedback loop 400,
The flexibility of mode change can be further changed.In the embodiment shown in Figure 2, in the case where being not provided with feedback loop,
The mode changeover condition of Power Management Unit can be set to scheduled mode；And work as and use in situation shown in Fig. 3, power supply pipe
The pattern switching of reason unit, which can according to need, is freely programmed setting by designer.
As shown, the input terminal and output end of the first decoding circuit 100 ' except respectively with power supply requirement signal and power supply mould
Except formula register 300 ' is connected, the signal deposited in electric source modes register 300 ' is also fed back to the first decoding circuit 100 '
Input terminal, it is possible thereby to which the state of electric source modes register 300 ' is effectively fed back to the first decoding circuit 100 '.Design
Person can effectively utilize the logic that the first predetermined logic is set freely from the mode of electric source modes register 300 '.In a reality
It applies in example, the M signal deposited in multiple electric source modes registers 300 is all fed back to the input terminal of the first decoding circuit, by
This can further enrich the condition of pattern switching.
According to one embodiment of the disclosure, Power Management Unit further include be connected with multiple electric source modes registers when
Clock circuit 500, clock loop 500 are configured to provide mutually corresponding for will deposit in multiple electric source modes registers 300 '
M signal feeds back to the control signal of the input terminal of the first decoding circuit 100.In one embodiment, by clock loop
500 can realize the access to register using the clock inside power-supply management system, and in turn deposit multiple electric source modes
The current electric source modes deposited in device 300 feed back to the first decoding circuit.The clock loop 500 being connected in register 300
Be for those skilled in the art it is well known, omission it is illustrated.
According to one embodiment of the disclosure, at least one of multiple power supply requirement signals are also linked directly to second and translate
The input terminal of code circuit 200 '.In the power management of certain specific applications, it may be necessary to using power supply requirement signal directly come
Control power output signal.Circuit in this embodiment can effectively meet this requirement.Further, since the second decoding
Circuit 200 ' is freely programmable, therefore designer can freely configure from power supply requirement signal and/or other input letters
Logical relation number between output signal, significantly improves circuit layout efficiency.
According to one embodiment of the disclosure, one or more electric source modes registers more than actual needs number are covered
It covers.Electric source modes register is preset as to multiple, the number of electric source modes register preferably more than actually required, it is such
Benefit is to have no need to change the physical structure of the first and/or second decoding circuit, and the electric source modes that same specification can be realized are posted
Flexible deployment of the storage between different electrical power mode and different number of power consumption device；It only needs to post extra electric source modes
Storage masking, without programming and configuring.On the other hand, those skilled in the art in electric source modes it is contemplated that deposit
When the number of device is less than electric source modes register actually required, manufacturer can also increase electric source modes register, to meet
Specific requirement.Certainly, manufacturer it is also contemplated that reduce electric source modes register number, with control cost or meet specifically answer
It is required that.
The one or more more than number actually required according to one embodiment of the disclosure, in the second decoding circuit
Output end is masked.It according to actual needs, can will be more when the number of the output end of the second decoding circuit is more than predetermined demand
Remaining output end masking.
Embodiment of the disclosure further relates to a kind of power-supply management system.Fig. 4 schematically illustrates one according to the disclosure
The power-supply management system of a embodiment, comprising: Power Management Unit 10；And power regulator 20, have multiple input terminals and
Multiple voltage output ends；Wherein, multiple output ends of the second decoding circuit respectively with the corresponding input terminal of power regulator 20
It is connected to provide multiple power control signals to power regulator；Wherein, multiple input terminal conducts of Power Management Unit 10
The input terminal of power-supply management system is to receive power supply requirement signal, and multiple voltage output ends of power regulator 20 are as power supply
The output end of management system；Wherein, power regulator 20 is configured in response to the control of the power supply from Power Management Unit 10
Signal and export corresponding voltage.
Multiple voltage output modes that power regulator 20 has for the power supply of multiple power consumption device, power regulator 20 are matched
It is set in response to the power control signal from Power Management Unit 10 and exports different voltage output modes.Power management system
System can be realized technical effect identical with Power Management Unit 10, and its detailed description is omitted.In the example of fig. 4,30
Such as indicate CPU；40 for example indicate memory；50 for example indicate I/O and peripheral unit.It is of course also possible to include that other power consumptions fill
It sets.The output end of Power Management Unit 10 is configured for the power supply of control power consumption device, from the output of Power Management Unit 10
Control signal can be used directly or indirectly in control power consumption device power supply and power-off.In embodiment of the disclosure, due to
First decoding circuit and/or the second decoding circuit are programmable, therefore can neatly program according to actual needs from power management
The number of the control signal of the output of unit 10, the physical structure without changing circuit.
According to one embodiment of the disclosure, power-supply management system further includes for controlling the multiple of corresponding output voltage
Switch, multiple switch in response to Power Management Unit output signal and on-off.In the example of fig. 4, it schematically illustrates
Switch 301,401,501.
Fig. 5 schematically illustrates the typical implementation of programmable decoding circuit.Certain this implementation is only
It is only that illustratively, those skilled in the art is contemplated that other modes to realize the programmable of decoding circuit.
In the example shown in the series of figures, show by NAND gate and nor gate realization combinational logic circuit, wherein input and
Logic between output can arbitrarily be programmed setting by designer.For example, in embodiment in figure,
OUTPUT0=A0+！A1+A2+A3
OUTPUT1=A0+A1+A2+A3
It is that gate level netlist is by above-mentioned logical transition
NAND gate NAND (OUTPUT0, node0, node1)；
Nor gate NOR (node0, A0,！A1)；
Nor gate NOR (node1, A2, A3)；
NAND gate NAND (OUTPUT2, node2, node3)；
Nor gate NOR (node2, A0, A1)；
Nor gate NOR (node3, A2, A3)；
And then basic MOS circuit can be obtained.Above-mentioned example is only a kind of example for realizing programmable logic, it is intended to be illustrated defeated
It is specific to realize can to carry out completely flexible combination by input signal A0, A1, A2, A3 by signal OUTPUT0 and OUTPUT1 out
Circuit requirement.It is this using combinational logic realize input and output between it is programmable be technological means commonly used in the art, omit
It is illustrated.Those skilled in the art it should be understood that technical staff after reading teachings of the present application, by this field
Other programmable implementations of the prior art are applied to the disclosure.
Embodiment of the disclosure further relates to a kind of method for managing power supply.Fig. 6 schematically illustrates one according to the disclosure
The method for managing power supply of a embodiment.Method for managing power supply includes: S101 using translating according to first that the first predetermined logic programs
Multiple power supply requirement signals are transformed into multiple M signals by code circuit；S102 using multiple electric source modes register pairs it is multiple in
Between signal deposited respectively；S103 utilize the second decoding circuit for being programmed according to the second predetermined logic by deposited it is multiple in
Between signal be transformed into multiple power control signals be used as output.
Method for managing power supply according to an embodiment of the present disclosure is the method for front electric power management circuit.According to this
In the method for managing power supply of disclosed embodiment, the first decoding circuit can be programmed according to the first predetermined logic.Therefore, different electrical power
For the electronic equipment of mode, if the number of the electric source modes of electronic equipment changes, designer haves no need to change
The physical structure of one decoding circuit, it is only necessary to which the first decoding circuit is reprogramed.Do not need as the prior art that
Sample is that each electric source modes redesign independent logic and need weight after having designed each logic as the prior art
Switch logic between new design electric source modes.In method for managing power supply according to an embodiment of the present disclosure, the second decoding electricity
Road can be programmed according to the second predetermined logic.Similarly, in the case where the second predetermined logic is programmable situation, even if electronic equipment
The number of power consumption device changes, and designer haves no need to change the physical structure of the second decoding circuit 200, it is only necessary to
Two decoding circuits are reprogramed.Power supply output last in order to obtain as the prior art is not needed to redesign
Independent logic, designer only need to reprogram the relationship between 200 input and output of the second decoding circuit
Realize the output control of any number of power consumption device.
It, can be right according to the method for managing power supply of the disclosure described in different embodiments as discussed previously with respect to electric power management circuit
There are following several deformations with answering.According to one embodiment of the disclosure, the first decoding circuit and the second decoding circuit are primary
Property the programmable logic array that uses of programming.According to one embodiment of the disclosure, method for managing power supply further includes by multiple electricity
At least one of multiple M signals deposited in source module register feed back to the respective input of the first decoding circuit.Root
According to one embodiment of the disclosure, method for managing power supply further includes by least one of multiple power supply requirement signals feedforward to the
Two decoding circuits are as input.According to one embodiment of the disclosure, to the first decoding circuit and the programming of the second decoding circuit
Above-mentioned steps are executed before.
According to one embodiment of the disclosure, method for managing power supply further includes will be more than one or more of actual needs number
A electric source modes register masking.According to one embodiment of the disclosure, method for managing power supply further includes by the second decoding circuit
In more than number actually required one or more output ends shelter.According to one embodiment of the disclosure, to first
Above-mentioned steps are executed before or after decoding circuit and the programming of the second decoding circuit.
Similarly, the embodiment of these methods can be obtained equally about technical effect described in electric power management circuit.For
It avoids repeating, omission illustrates it.
Pass through the introduction gone out given in above description and relevant drawings, many modifications of the disclosure described herein
It will be recognized by disclosure those skilled in the relevant art with other embodiment.Therefore, it should be understood that, the disclosure
Embodiment is not limited to disclosed specific embodiment, and modification and other embodiment are intended to be included in this
Within scope of disclosure.In addition, although above description and relevant drawings are in certain example combination forms of component and/or function
Example embodiment is described under background, it will be appreciated that, component can be provided by alternate embodiment
And/or the different combinations of function are without departing from the scope of the present disclosure.On this point, for example, with explicitly described above
Other combining forms of different component and/or function be also expected within the scope of the present disclosure.Although here
Using concrete term, but they are only used with general and descriptive meaning and are not intended to and are limited.
Claims (14)
1. a kind of electric power management circuit, comprising:
First decoding circuit has multiple input terminals and multiple output ends, and being used for will be the multiple defeated according to the first predetermined logic
Enter multiple power supply requirement signals for receiving on end and be transformed into multiple M signals, and respectively by the multiple output end into
Row output；
Multiple electric source modes registers, each electric source modes register has an input terminal and an output end, described
The multiple M signal that multiple electric source modes registers are used to export first decoding circuit is deposited respectively；With
And
Second decoding circuit, have multiple input terminals and multiple output ends, the multiple input terminal respectively with the multiple power supply
The corresponding output end of mode register connects, and second decoding circuit is used for the multiple input according to the second predetermined logic
The multiple M signal received on end is transformed into multiple power control signals, and passes through the multiple output end respectively
It is exported；
Wherein at least one of first predetermined logic and second predetermined logic be can be programmed.
2. electric power management circuit according to claim 1, wherein first decoding circuit and second decoding circuit
It is the programmable logic array that one time programming uses.
3. electric power management circuit according to claim 2 further includes internal feedback loop, the internal feedback loop is arised from
Each output end of the multiple electric source modes register and the respective input for terminating in first decoding circuit.
4. electric power management circuit according to claim 3 further includes feed-forward loop, the feed-forward loop is by the multiple electricity
At least one of source desired signal is connected to the input terminal of second decoding circuit.
5. electric power management circuit described in any one of -4 according to claim 1, wherein more than actual needs one of number or
Multiple electric source modes registers are masked.
6. electric power management circuit described in any one of -4 according to claim 1, wherein being more than in second decoding circuit
One or more output ends of number actually required are masked.
7. a kind of power-supply management system, comprising:
Electric power management circuit according to claim 1 to 6；And
Power regulator has multiple input terminals and multiple voltage output ends；
Wherein, the multiple output end of second decoding circuit input terminal phase corresponding with the power regulator respectively
Connect to provide multiple power control signals to the power regulator；
Wherein, multiple input terminals of the electric power management circuit are as the input terminal of the power-supply management system to receive power supply
Desired signal, output end of the multiple voltage output end of the power regulator as the power-supply management system；
Wherein, the power regulator is configured in response to the power control signal from the electric power management circuit and exports
Corresponding voltage.
8. power-supply management system according to claim 7 further includes multiple switch, each of described switch with it is corresponding
Power consumption device to be powered connect and be configured in response to the power control signal and on-off.
9. a kind of method for managing power supply, comprising:
Multiple power supply requirement signals are transformed into multiple intermediate letters using the first decoding circuit programmed according to the first predetermined logic
Number；
It is deposited respectively using multiple the multiple M signals of electric source modes register pair；And make a reservation for using according to second
The multiple M signal deposited is transformed into multiple power control signals as defeated by the second decoding circuit of programming in logic
Out；
Wherein at least one of first predetermined logic and second predetermined logic are reprogrammed.
10. method for managing power supply according to claim 9, wherein first decoding circuit and the second decoding electricity
Road is the programmable logic array that one time programming uses.
11. method for managing power supply according to claim 10 further includes that will deposit in the multiple electric source modes register
At least one of multiple M signals feed back to the respective input of first decoding circuit.
12. method for managing power supply according to claim 11, further include by the multiple power supply requirement signal at least
One feedforward is to second decoding circuit as input.
13. the method for managing power supply according to any one of claim 9-12, further including will be more than actual needs number
One or more electric source modes register maskings.
14. the method for managing power supply according to any one of claim 9-12, further including will be in second decoding circuit
More than number actually required one or more output ends shelter.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361906070P | 2013-11-19 | 2013-11-19 | |
| US61/906,070 | 2013-11-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104656866A CN104656866A (en) | 2015-05-27 |
| CN104656866B true CN104656866B (en) | 2019-01-18 |
Family
ID=53248111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410589413.8A Expired - Fee Related CN104656866B (en) | 2013-11-19 | 2014-10-28 | Electric power management circuit, power-supply management system and Circuit management method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104656866B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105573457A (en) * | 2016-01-18 | 2016-05-11 | 合肥联宝信息技术有限公司 | Universal computer power management system |
| TWI697841B (en) * | 2018-12-18 | 2020-07-01 | 新唐科技股份有限公司 | Control circuit and method for fast setting power mode |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1796937A (en) * | 2004-12-21 | 2006-07-05 | 财团法人工业技术研究院 | Power supply managerial approach for computer system in use for vehicle |
| CN101689106A (en) * | 2007-06-12 | 2010-03-31 | 松下电器产业株式会社 | Multiprocessor control device, multiprocessor control method, and multiprocessor control circuit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7583104B2 (en) * | 2006-12-12 | 2009-09-01 | Microchip Technology Incorporated | Maintaining input and/or output configuration and data state during and when coming out of a low power mode |
-
2014
- 2014-10-28 CN CN201410589413.8A patent/CN104656866B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1796937A (en) * | 2004-12-21 | 2006-07-05 | 财团法人工业技术研究院 | Power supply managerial approach for computer system in use for vehicle |
| CN101689106A (en) * | 2007-06-12 | 2010-03-31 | 松下电器产业株式会社 | Multiprocessor control device, multiprocessor control method, and multiprocessor control circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104656866A (en) | 2015-05-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101510730B (en) | Switching power converter and system for controlling a plurality of switching power converters | |
| CN203350757U (en) | Device and system for regulating multimode voltage through feedback | |
| US9979282B2 (en) | Charge pump for low power consumption apparatus and associated methods | |
| EP2110936B1 (en) | Autonomous control of multiple supply voltage generators for display drivers. | |
| CN104904107A (en) | Electrical circuit for powering consumer electronic devices | |
| WO2016073645A1 (en) | Configurable power management integrated circuit | |
| KR20050071692A (en) | Power converter circuitry and method | |
| KR20050070131A (en) | Power converter circuitry and method | |
| WO2012177861A2 (en) | Power management for an electronic device | |
| WO2018165111A1 (en) | An operating point controller for circuit regions in an integrated circuit | |
| CN104656866B (en) | Electric power management circuit, power-supply management system and Circuit management method | |
| CN103728896A (en) | Method and device for controlling power-on sequence of multiple channels of power supplies | |
| Lee et al. | VRCon: Dynamic reconfiguration of voltage regulators in a multicore platform | |
| CN114144746A (en) | Digitally coordinated dynamically adaptable clock and voltage supply apparatus and method | |
| CN107544654A (en) | External ATX power supply and power supply switching control circuit | |
| CN100410844C (en) | Equipment and method for providing measured power transitions in a computing unit | |
| CN207926553U (en) | A kind of multifunction switch controller | |
| CN100555788C (en) | The implement device of multi-voltage monitoring and protective circuit and method | |
| Asghari-Moghaddam et al. | VR-scale: Runtime dynamic phase scaling of processor voltage regulators for improving power efficiency | |
| Mileiko et al. | A Non-volatile State Retention Unit for Multi-storage Energy Management in Transient Systems | |
| CN101520649A (en) | Extensible and programmable power management integrated circuit system | |
| US7996987B2 (en) | Single footprint family of integrated power modules | |
| CN102236570A (en) | Method for soft shutdown of loongson blade | |
| CN201215625Y (en) | Expandable and programmable integrated circuit system for electric power management | |
| CN118696487A (en) | Hybrid buck converter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190118 Termination date: 20191028 |