CN104953649B - A kind of power supply circuit and electronic equipment - Google Patents
A kind of power supply circuit and electronic equipment Download PDFInfo
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- CN104953649B CN104953649B CN201510299760.1A CN201510299760A CN104953649B CN 104953649 B CN104953649 B CN 104953649B CN 201510299760 A CN201510299760 A CN 201510299760A CN 104953649 B CN104953649 B CN 104953649B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
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- Direct Current Feeding And Distribution (AREA)
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Abstract
The embodiment of the invention discloses a kind of power supply circuit and electronic equipment, the power supply circuit includes：Power supply, obtain circuit and processor, power supply is used to be powered for processor, obtaining circuit is used to obtain the operation signal of user input, and the operation signal that will be got is exported to processor, processor is used for detecting whether electronic equipment receives the operation signal of user input in Preset Time or whether the power amplifier in Preset Time inner electronic equipment works, when the power amplifier that processor is not received by the operation signal of user input and electronic equipment in Preset Time does not work, send the first control signal to power supply, first control signal is used to control deenergization to the supply access of processor.Using the embodiment of the present invention, when the power amplifier that electronic equipment is not received by the operation signal of user input and electronic equipment in Preset Time does not work, the processor to electronic equipment is not powered, and reduces the electric quantity consumption of electronic equipment.
Description
Technical field
The present invention relates to electronic circuit field, more particularly to a kind of power supply circuit and electronic equipment.
Background technology
Battery power supply system is widely used in electronic product, and earphone power amplifier generally uses microprocessor
(Micro Controller Unit, MCU) chip come detect the peripheral operation under holding state (such as insert charger, electricity
Music etc. is played in display request, start), perform after MCU detects these peripheral operations or coordinate to complete to be asked appoints
Business, when earphone power amplifier is in holding state, power supply is still powered to MCU, so that electricity is persistently consumed, therefore it is standby
Continued power under state result in unnecessary electric quantity consumption.
The content of the invention
A kind of power supply circuit and electronic equipment are the embodiment of the invention provides, when electronic equipment does not connect in Preset Time
When receiving the power amplifier in the operation signal and electronic equipment of user input and not working, to the processor of electronic equipment not
It is powered, reduces the electric quantity consumption of electronic equipment.
Embodiment of the present invention first aspect provides a kind of power supply circuit, is applied to be used for as the electronics in electronic equipment
Power amplifier in equipment is powered, and the power supply circuit includes power supply, obtains circuit and processor, and it is institute that the power supply is used for
State processor to power, the circuit that obtains is used to obtain the operation signal of user input, and the operation signal that will be got
To the processor, the processor is used to detect whether the electronic equipment receives user input in Preset Time for output
Operation signal or the power amplifier in the electronic equipment in Preset Time whether work, when the processor is in institute
The power amplifier being not received by Preset Time in the operation signal of user input and the electronic equipment is stated not work
When, the first control signal to the power supply is sent, first control signal is used to control to disconnect the power supply to the treatment
The supply access of device.
In the first possible implementation of first aspect, the acquisition circuit is additionally operable in the power supply to described
The supply access of processor obtains the operation signal of user input after disconnecting, the second control letter is obtained according to the operation signal
Number, and second control signal is exported to the power supply, so that the power initiation is powered for the processor, the place
Reason device performs the corresponding operation of the operation signal after being additionally operable to receive the electric energy of the power supply.
With reference to the first possible implementation of first aspect, in second possible implementation of first aspect
In, the power supply circuit also includes bleeder circuit, and the input of the bleeder circuit electrically connects the acquisition circuit, output end point
The power supply and the processor are not electrically connected, described in being obtained according to the operation signal of the acquisition circuit output
Second control signal and the 3rd control signal, and second control signal is exported to the power supply, so that the power supply is opened
Move as the processor is powered, the 3rd control signal is exported to the processor, so that the processor receives institute
The corresponding operation of the 3rd control signal is performed after the electric energy for stating power supply.
With reference to the first possible implementation of first aspect, in the third possible implementation of first aspect
In, the power supply circuit also includes change-over circuit, and described change-over circuit one end electrically connects the power supply, and other end electrical connection is described
Processor, for the electric energy that the power supply is exported to be converted into the electric energy that the processor needs.
With reference to the third possible implementation of first aspect, in the 4th kind of possible implementation of first aspect
In, the change-over circuit turns in DC voltage circuit, low-dropout linear voltage-regulating circuit and electronic switching circuit including DC voltage
At least one or several combination.
With reference to the third possible implementation of first aspect, in the 5th kind of possible implementation of first aspect
In, the change-over circuit also includes Enable Pin, and the Enable Pin of the change-over circuit is used to receive the electric energy of the power supply output, and
The electric energy that the power supply is exported, and will be described under the control of the enable signal used as the enable signal of the change-over circuit
The electric energy of power supply output is converted to the electric energy that the processor needs.
With reference to the first possible implementation of first aspect, in the 6th kind of possible implementation of first aspect
In, the power supply circuit also includes signal processing circuit, and the signal processing circuit is used for the operation signal of user input extremely
Level is changed less or is changed phase or delay process or is extracted hopping edge or extract one of pulse treatment treatment, and will
Operation signal after treatment is used as second control signal.
With reference to the first possible implementation of first aspect, in the 7th kind of possible implementation of first aspect
In, the operation signal for obtaining the user input that circuit is obtained after the supply access of the processor disconnects includes knob
One or more combination in starting-up signal, switch press signal and insertion external power source signal.
With reference to the first possible implementation of first aspect, in the 8th kind of possible implementation of first aspect
In, the operation signal for obtaining the user input that circuit is obtained after the supply access of the processor disconnects includes outside
It is at least one or several in the level signal of generation, the outside level hopping edge signal for producing and the outside pulse signal for producing
Combination.
Embodiment of the present invention second aspect discloses a kind of electronic equipment, and the electronic equipment includes power amplifier, institute
The power supply circuit that electronic equipment is also included in foregoing any implementation is stated, the power supply circuit is used to be the power amplifier
Power supply.
Using the embodiment of the present invention, have the advantages that：The power supply circuit that the present invention is provided, when electronic equipment is pre-
If the power amplifier being not received by the time in the operation signal of user input and electronic equipment does not work, to monitoring
And perform the processor of electronic device exterior operation and stop power supply, and after electronic equipment receives external signal, outside is believed
Number one side enables signal as power supply, goes control to open the power module of processor, processor is on the other hand sent to, to locate
Reason device it is electric after timely respond to and perform corresponding peripheral operation, so as to reduce the electric energy that electronic equipment is persistently consumed.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to wanting needed for embodiment, description
The accompanying drawing for using is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, right
For those of ordinary skill in the art, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings
His accompanying drawing.
Fig. 1 is the structural representation of the first embodiment of power supply circuit provided in an embodiment of the present invention；
Fig. 2 is the structural representation of the second embodiment of power supply circuit provided in an embodiment of the present invention；
Fig. 3 is the structural representation of the 3rd embodiment of power supply circuit provided in an embodiment of the present invention；
Fig. 4 is the structural representation of the fourth embodiment of power supply circuit provided in an embodiment of the present invention；
Fig. 5 is the physical circuit schematic diagram of the 5th embodiment of power supply circuit provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
The power supply circuit of the embodiment of the present invention in processor by using by power supply, acquisition circuit and processor, detecting
When the power amplifier being not received by peripheral operation signal and electronic equipment in a period of time does not work, power supply is controlled
Processor is powered off, the unnecessary electric quantity consumption of electronic equipment is reduced, electric energy has been saved.
It is the structural representation of the first embodiment of power supply circuit provided in an embodiment of the present invention referring to Fig. 1.Such as Fig. 1 institutes
Show, the power supply circuit 1 described in the present embodiment, be applied to be used for as in the electronic equipment in electronic equipment (figure is not marked)
Power amplifier is powered, and the electronic equipment can be earphone in the present embodiment.The power supply circuit 1 include power supply 11,
Obtain circuit 13 and processor 15.The power supply 11 is used to be powered for the processor 15, and the acquisition circuit 13 is used to obtain
The operation signal of user input, and the operation signal that will be got exported to the processor 15, the processor 15 is used
Whether the operation signal of user input or the institute in Preset Time are received in Preset Time in the detecting electronic equipment
State whether the power amplifier in electronic equipment works, when the processor 15 is not received by user in the Preset Time
When power amplifier in the operation signal of input and the electronic equipment does not work, the first control signal to the electricity is sent
Source 11, first control signal is used to control to disconnect supply access of the power supply 11 to the processor 15.
Specifically, the power supply 11 can be external power supply, or battery, when the processor is when described default
Power amplifier in the interior operation signal for receiving user input or the electronic equipment just operationally, the power supply
11 are powered for the processor 15.The power supply 11 provides the mode of power supply to the processor 15, can directly supply
Electricity, or the power supply after intermediate link is processed.When the processor 15 is not received by using in the Preset Time
When power amplifier in the operation signal and the electronic equipment of family input does not work, the power supply 11 disconnects the treatment
The supply access of device 15, to stop being powered to the processor 15.
It should be noted that when the processor 15 received in the Preset Time user input operation signal or
Power amplifier in electronic equipment described in person just operationally, it is described obtain the operation signal that will get of circuit 13 export to
The processor 15, the processor 15 performs the corresponding operation of the operation signal of acquisition circuit 13 input.Work as institute
State the power during processor 15 is not received by the operation signal of user input and the electronic equipment in the Preset Time
When amplifier does not work, on the one hand output is described to the power supply 11 for the operation signal that the acquisition circuit 13 will get
Operation signal is opened the power supply 11 and is powered to the processor 15 as the enable signal of the power supply 11, the opposing party
The operation signal that acquisition circuit 13 described in face will get is exported to the processor 15, so that the processor 15 is being supplied
The corresponding operation of the operation signal is performed after electricity.
It should be noted that in the practical work process of the power supply circuit 1, the processor 15 can be by shell
Interface is connected with the electronic equipment casing, if to be not received by user in the Preset Time defeated for the electronic equipment casing
Power amplifier in the operation signal for entering and the electronic equipment does not work, then the processor 15 sends first control
To the power supply 11, control disconnects supply access of the power supply 11 to the processor 15 to signal processed, to disconnect to the place
Manage the power supply of device 15.
The power supply circuit that the present invention is provided is detecting electronic equipment default by detecting the working condition of electronic equipment
When the power amplifier being not received by time in the operation signal of user input and electronic equipment does not work, cut in time
Power supply of the power-off source to processor, reduces the power consumption of electronic equipment, has effectively saved electric energy.
It is the structural representation of the second embodiment of the power supply circuit for providing of the invention referring to Fig. 2.Retouched in the present embodiment
The power supply circuit 1 stated, is applied to be used to be powered for the power amplifier in the electronic equipment in electronic equipment (figure is not marked),
Electronic equipment described in present embodiment can be earphone.Fig. 2 is that power supply circuit shown in Fig. 1 is further described.Such as Fig. 2
Shown, the power supply circuit 1 includes power supply 11, obtains circuit 13 and processor 15.Wherein, power supply 11 and processor 15 may be referred to
Circuit structure shown in Fig. 1.
It is defeated user to be obtained after the supply access disconnection that circuit 13 is obtained in the power supply 11 to the processor 15
The operation signal for entering, the second control signal is obtained according to the operation signal, and second control signal is exported to described
Power supply 11, so that the power supply 11 starts as the processor 15 is powered, the processor 15 is additionally operable to receive the power supply
The corresponding operation of the operation signal is performed after 11 electric energy.
In implementing, can by the present invention provide power supply circuit 1 in acquisition circuit 13 enclosure interface with it is described
Electronic equipment casing is connected, so that the acquisition circuit 13 is detected and obtain user and is input into by the electronic equipment casing at any time
Operation signal.
Preferably, it is described to obtain the user input of acquisition after the supply access of the processor 15 disconnects of circuit 13
Operation signal can be included but is not limited to：Knob starting-up signal, switch press signal and insertion external power source signal.The operation
The corresponding Action Events of signal can be included but is not limited to：Machine is opened by modes such as knob, button, switches to prepare to play sound
Pleasure part, light source of charger are entered or connected other external power source events, display battery electricity is asked by modes such as touch-switch
Amount or state event and change is asked with the power supply relation of the supply of miscellaneous equipment or state event by the mode such as switching.
It is further preferred that the operation signal for obtaining the acquisition of circuit 13 can be included but is not limited to：The electricity that outside produces
Ordinary mail number, the outside level hopping edge signal for producing and the outside pulse signal for producing.
It is further preferred that the processor 15 can include but is not limited to microprocessor (Micro Controller
Unit, MCU).
The power supply circuit that the present invention is provided is not received by user input detecting electronic equipment in Preset Time
When power amplifier in operation signal and electronic equipment does not work, the power supply cut off the electricity supply in time to processor is reduced
The power consumption of electronic equipment, has effectively saved electric energy, and when power supply is not powered to processor, obtains circuit and obtaining
Get outside operation signal when, the peripheral operation signal that on the one hand will be got as power supply enable signal, startup power supply
To being powered to processor, the operation on the other hand obtaining peripheral operation signal as processor that circuit will get is believed
Number, after processor obtains the electric energy of power supply, the corresponding operation of peripheral operation signal is performed, therefore when power supply does not enter to processor
During row power supply, obtain circuit processor is powered using peripheral operation signal enabling power supply, processor it is electric after can be with
It is normal to perform operation signal.
It is the structural representation of the 3rd embodiment of the power supply circuit for providing of the invention referring to Fig. 3.Retouched in the present embodiment
The power supply circuit 1 stated, is applied to be used to be powered for the power amplifier in the electronic equipment in electronic equipment (figure is not marked),
Electronic equipment described in present embodiment can be earphone.Fig. 3 is that power supply circuit shown in Fig. 1 is further described.Such as Fig. 3
Shown, the power supply circuit 1 includes power supply 11, obtains circuit 13, processor 15 and signal processing circuit 17.Wherein, power supply 11, obtain
Sense circuit 13 and processor 15 may be referred to the circuit structure shown in Fig. 1 or 2.
Signal processing circuit 17 is at least changed level to the operation signal of user input or changes phase or time delay
Process or extract hopping edge or extract one of pulse treatment treatment, and controlled the operation signal after treatment as described second
Signal.
Specifically, the signal processing circuit 17, the input connection acquisition circuit 13, output end one end connection is described
Power supply 11, the other end connects the processor 15, the operation signal that the acquisition circuit 13 is exported is changed into level or is changed
Changeable phases or delay process extract hopping edge or extract one of pulse treatment treatment, and the operation signal after treatment is made
For the second operation signal is exported to the power supply 11, so as to the power supply 11 starts be powered to the processor 15, will grasp
Make signal output to the processor 15 so that the processor 15 perform after the electric energy for receiving the power supply 11 described in obtain
The corresponding operation of operation signal that sense circuit 13 is obtained.
The power supply circuit that the present invention is provided is not received by user input detecting electronic equipment in Preset Time
When power amplifier in operation signal and electronic equipment does not work, the power supply cut off the electricity supply to processor reduces electronics
The power consumption of equipment, has effectively saved electric energy, and when power supply is not powered to processor, and obtaining circuit will get
Peripheral operation signal input is changed level, changes the treatment such as phase to signal processing circuit with to operation signal, will carry out
Operation signal after treatment is on the one hand as the enable signal of power supply, and startup power supply is to being powered to processor, another
Aspect after processor obtains the electric energy of power supply, performs the corresponding operation of peripheral operation signal as the operation signal of processor,
Therefore when power supply is not powered to processor, obtain circuit processor is supplied using peripheral operation signal enabling power supply
Electricity, processor it is electric after can normally perform operation signal.
It is the structural representation of the fourth embodiment of the power supply circuit for providing of the invention referring to Fig. 4.Retouched in the present embodiment
The power supply circuit 1 stated, is applied to be used to be powered for the power amplifier in the electronic equipment in electronic equipment (figure is not marked),
Electronic equipment described in present embodiment can be earphone.Fig. 4 is that power supply circuit shown in Fig. 1 is further described.Such as Fig. 4
Shown, the power supply circuit 1 includes power supply 11, obtains circuit 13, processor 15, bleeder circuit 19 and change-over circuit 111.Wherein,
Power supply 11, acquisition circuit 13 and processor 15 may be referred to the circuit structure shown in Fig. 1 or 2.
The input electrical connection acquisition circuit 13 of the bleeder circuit 19, output end is electrically connected the power supply 11
And the processor 15, for obtaining second control signal according to the operation signal of acquisition circuit 13 output
And the 3rd control signal, and second control signal is exported to the power supply 11, so that it is described that the power supply 11 starts
Processor 15 is powered, and the 3rd control signal is exported to the processor 15 so that the processor 15 receive it is described
The corresponding operation of the 3rd control signal is performed after the electric energy of power supply 11.
Preferably, operation information is not carried in the operation signal that the bleeder circuit 19 exports the acquisition circuit 13
Signal point will carry signal point extremely the described 3rd control letter of operation information to second control signal in operation signal
Number, or, the operation signal that the acquisition circuit 13 is exported is divided into two paths of signals by the bleeder circuit 19 according to preset ratio,
Respectively described second control signal and the 3rd control signal, in implementing, the bleeder circuit 19 can include according to
The first resistor 191 and second resistance 193 of secondary series connection, and the one end of the first resistor 191 connects the power supply 11, the other end connects
The common node of the second resistance 193 and the processor 15 is connect, the one end of the second resistance 193 connects the acquisition circuit
13, the other end connects the common node of the first resistor 191 and the processor 15, by changing the first resistor 191
With the resistance value of the second resistance 193, it is possible to change the intrinsic standoff ratio of the first resistor 191 and the second resistance 193,
So as to change the size of second control signal and the 3rd control signal.
The change-over circuit 111, one end electrically connects the power supply 11, and the other end electrically connects the processor 15, will be described
The electric energy of the output of power supply 11 is converted to the electric energy of the needs of the processor 15.
Preferably, the change-over circuit 111 can be included but is not limited to：DC voltage turns DC voltage circuit (Direct
Current-Direct Current Conversion, DC/DC), low-dropout linear voltage-regulating circuit (Low Dropout
Regulator, LDO) and electronic switching circuit.
It is further preferred that the change-over circuit 111 can also include Enable Pin, the enable of the change-over circuit 111 is terminated
The electric energy of the output of the power supply 11 is received, and the electric energy that the power supply 11 is exported is used as the enable signal of the change-over circuit 111,
The electric energy that the power supply 11 is exported is converted into the electric energy that the processor 15 needs under the control of the enable signal.
The power supply circuit that the present invention is provided is not received by user input detecting electronic equipment in Preset Time
When power amplifier in operation signal and electronic equipment does not work, the power supply cut off the electricity supply to processor reduces electronics
Power consumption under device standby state, has effectively saved electric energy, and when power supply is not powered to processor, obtains circuit
The peripheral operation signal input that will be got carries out partial pressure to bleeder circuit with to operation signal, by partial pressure after second control
Signal processed as power supply enable signal, startup power supply to being powered to processor, by partial pressure after the 3rd control signal
As the operation signal of processor, after processor obtains the electric energy of power supply, the corresponding operation of peripheral operation signal is performed, therefore
When the power supply is not powered to processor, obtains circuit processor is supplied using peripheral operation signal enabling power supply
Electricity, processor it is electric after can normally perform operation signal.
It is the physical circuit schematic diagram of the 5th embodiment of the power supply circuit for providing of the invention referring to Fig. 5.In the present embodiment
Described power supply circuit 1, is applied to be used to be supplied for the power amplifier in the electronic equipment in electronic equipment (figure is not marked)
Electricity, the electronic equipment can be earphone in the present embodiment.As shown in figure 5, the power supply circuit 1 includes power supply 11, obtains
Circuit 13 and processor 15.
TPS63051 is the corresponding chip of power supply 11 (supplying electricity to MCU) in Fig. 5, and MCU is the corresponding chip of processor 15.Outward
The operation signal in portion can include knob power-on event, touch-switch press event and insertion external power source event.
It is to obtain circuit 13 to obtain an external signal for high level for knob power-on event, corresponds in Figure 5
Turn_on ends obtain a high level, and on the one hand the high level signal is gone in short-term by electric capacity C1, diode D3 and resistance R5
11 Enable Pin EN is turned on the power, so that power supply 11 is powered to processor 15, the height electricity that another aspect turn_on ends obtain
Ordinary mail number also can input processor 15, so as to processor 15 report knob power-on event so that processor 15 perform start thing
Part.
For touch-switch press event, (this circuit is actually used in electricity display request, switching supplying power for outside state please
Ask), it is to obtain circuit 13 to obtain a low level external signal, obtain the low level external signal that circuit 13 will get
Signal transacting is carried out, low level signal is transformed into high level signal, touch_on ends corresponded in Figure 5 and obtains an electricity high
It is flat, the high level signal is gone through diode D2 and resistance R5 to turn on the power 11 Enable Pin EN, so that power supply 11 is to processor
15 are powered, and the low level signal that will get of circuit 13 are on the other hand obtained through input processor 15, so as to processor
Event is touched in 15 reports, so that processor 15 performs corresponding operation.
For insertion external power source event, obtain circuit 13 and obtain an external signal for access external power source, in Figure 5
Correspondence Vbus_on ends obtain an external signal for external power supply, obtain circuit 13 and on the one hand the external signal is passed through into two poles
Pipe D1 and resistance R5 go to turn on the power 11 Enable Pin EN, so that power supply 11 is powered to processor 15, on the other hand will be outer
Portion's signal is sent to processor 15, so as to processor 15 report insertion external power source event so that processor 15 perform it is corresponding
Operation.
After processor 15 obtains electric energy starts working, a high level signal is produced to maintain the enable of power supply 11,
Terminating preprocessor 15 with the enable control for ensuring power supply 11 can continue to obtain the power supply of power supply 11.
Using the embodiment of the present invention, that user is not received by Preset Time is defeated electronic equipment is detected for power supply circuit
When power amplifier in the operation signal and electronic equipment that enter does not work, electronics is worked as in the power supply cut off the electricity supply to processor
When equipment receives external signal, processor is powered using external signal startup power supply so that processor obtain it is electric after hold
The corresponding operation of row, so as to when power supply is not powered to processor, processor can also normal work, significantly reduce electronics
The power consumption of equipment.
In sum, using the embodiment of the present invention, when electronic equipment is not received by user input in Preset Time
When power amplifier in operation signal and electronic equipment does not work, to monitoring and perform electronic device exterior operation treatment
Device is stopped power supply, and after electronic equipment receives external signal, external signal on the one hand is enabled into signal as power supply, goes control
System opens the power module of processor, is on the other hand sent to processor, so as to processor it is electric after timely respond to and perform phase
The peripheral operation answered, so as to reduce the electric energy that electronic equipment is persistently consumed.
Above disclosed is only present pre-ferred embodiments, can not limit the right model of the present invention with this certainly
Enclose, one of ordinary skill in the art will appreciate that all or part of flow of above-described embodiment is realized, and will according to right of the present invention
Made equivalent variations are sought, the covered scope of invention is still fallen within.
Claims (8)
1. a kind of power supply circuit, is applied to be used to be powered for the power amplifier in the electronic equipment in electronic equipment, and it is special
Levy and be, the power supply circuit includes power supply, obtains circuit and processor, the power supply is used to be powered for the processor, institute
The operation signal for obtaining circuit for obtaining user input is stated, and the operation signal that will be got is exported to the treatment
Device, the processor be used for detect the electronic equipment whether received in Preset Time user input operation signal or
Whether the power amplifier in the electronic equipment in Preset Time works, when the processor does not have in the Preset Time
When thering is the power amplifier in the operation signal and the electronic equipment for receiving user input not work, the first control is sent
To the power supply, first control signal is used to control to disconnect supply access of the power supply to the processor signal, when
The power that the processor is received in the operation signal or the electronic equipment of user input in the Preset Time is put
Just operationally, the power supply is powered big device for the processor；
The circuit that obtains is additionally operable to obtain user input after the power supply disconnects to the supply access of the processor
Operation signal, the second control signal is obtained according to the operation signal, and second control signal is exported to the power supply,
So that the power initiation is powered for the processor, the processor performs institute after being additionally operable to receive the electric energy of the power supply
State the corresponding operation of operation signal；
The power supply circuit also includes bleeder circuit, and the input of the bleeder circuit electrically connects the acquisition circuit, output end
The power supply and the processor are electrically connected, for obtaining institute according to the operation signal of the acquisition circuit output
The second control signal and the 3rd control signal are stated, and second control signal is exported to the power supply, so that the power supply
Start as the processor is powered, the 3rd control signal is exported to the processor, so that the processor is received
The corresponding operation of the 3rd control signal is performed after the electric energy of the power supply.
2. power supply circuit as claimed in claim 1, it is characterised in that the power supply circuit also includes change-over circuit, described turn
Change circuit on one side and electrically connect the power supply, the other end electrically connects the processor, for the electric energy conversion for exporting the power supply
For the electric energy that the processor needs.
3. power supply circuit as claimed in claim 2, it is characterised in that the change-over circuit turns DC voltage including DC voltage
At least one or several combination in circuit, low-dropout linear voltage-regulating circuit and electronic switching circuit.
4. power supply circuit as claimed in claim 2, it is characterised in that the change-over circuit also includes Enable Pin, the conversion
The Enable Pin of circuit is used to receive the electric energy of power supply output, and the electric energy that the power supply is exported is used as the change-over circuit
Enable signal, and the electric energy that the power supply is exported is converted to what the processor needed under the control of the enable signal
Electric energy.
5. power supply circuit as claimed in claim 1, it is characterised in that the power supply circuit also includes signal processing circuit, institute
State signal processing circuit for level is at least changed to the operation signal of user input or change phase or delay process,
Or extract hopping edge or extract one of pulse treatment treatment, and using the operation signal after treatment as second control signal.
6. power supply circuit as claimed in claim 1, it is characterised in that supply access of the acquisition circuit in the processor
The operation signal of the user input obtained after disconnection includes knob starting-up signal, switch press signal and insertion external power source letter
One or more combination in number.
7. power supply circuit as claimed in claim 1, it is characterised in that supply access of the acquisition circuit in the processor
The operation signal of the user input obtained after disconnection includes the outside level signal for producing, the outside level hopping edge letter for producing
Number and the outside pulse signal for producing at least one or several combination.
8. a kind of electronic equipment, the electronic equipment includes power amplifier, it is characterised in that the electronic equipment is also included such as
Power supply circuit described in any one of claim 1~7 claim, the power supply circuit is used to be supplied for the power amplifier
Electricity.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510299760.1A CN104953649B (en) | 2015-06-03 | 2015-06-03 | A kind of power supply circuit and electronic equipment |
| PCT/CN2016/084742 WO2016192673A1 (en) | 2015-06-03 | 2016-06-03 | Power supply circuit and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510299760.1A CN104953649B (en) | 2015-06-03 | 2015-06-03 | A kind of power supply circuit and electronic equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104953649A CN104953649A (en) | 2015-09-30 |
| CN104953649B true CN104953649B (en) | 2017-06-30 |
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ID=54168103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510299760.1A Active CN104953649B (en) | 2015-06-03 | 2015-06-03 | A kind of power supply circuit and electronic equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104953649B (en) |
| WO (1) | WO2016192673A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104953649B (en) * | 2015-06-03 | 2017-06-30 | 广东欧珀移动通信有限公司 | A kind of power supply circuit and electronic equipment |
| CN112822001B (en) * | 2020-12-31 | 2023-03-14 | 维沃移动通信有限公司 | Control method of electronic equipment and electronic equipment |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5251320A (en) * | 1990-05-25 | 1993-10-05 | International Business Machines Corporation | Power controller for permitting multiple processors to power up shared input/output devices and inhibit power down until all processors have ceased service with the I/O devices |
| KR950005216B1 (en) * | 1993-03-31 | 1995-05-22 | 삼성전자주식회사 | Power saving apparatus for pc |
| CN103376753A (en) * | 2012-04-28 | 2013-10-30 | 鸿富锦精密工业（深圳）有限公司 | Standby wake-up circuit and electronic device |
| CN204156544U (en) * | 2014-06-23 | 2015-02-11 | 刘维洪 | A kind of battery management circuit |
| CN204741298U (en) * | 2015-06-03 | 2015-11-04 | 广东欧珀移动通信有限公司 | Supply circuit and electronic equipment |
| CN104953649B (en) * | 2015-06-03 | 2017-06-30 | 广东欧珀移动通信有限公司 | A kind of power supply circuit and electronic equipment |
-
2015
- 2015-06-03 CN CN201510299760.1A patent/CN104953649B/en active Active
-
2016
- 2016-06-03 WO PCT/CN2016/084742 patent/WO2016192673A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| CN104953649A (en) | 2015-09-30 |
| WO2016192673A1 (en) | 2016-12-08 |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: OPPO Guangdong Mobile Communications Co., Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: Guangdong Opel Mobile Communications Co., Ltd. |