CN206162381U - Power consumption control circuit and wearing electron -like product - Google Patents
Power consumption control circuit and wearing electron -like product Download PDFInfo
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- CN206162381U CN206162381U CN201621225198.4U CN201621225198U CN206162381U CN 206162381 U CN206162381 U CN 206162381U CN 201621225198 U CN201621225198 U CN 201621225198U CN 206162381 U CN206162381 U CN 206162381U
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Abstract
The utility model discloses a power consumption control circuit and wearing electron -like product, including energy -storage capacitor, main power circuit and control circuit, energy -storage capacitor passes through on there is the conventional line of leakage current to system circuit in the electric current branch connection when the standby, use the electric loading in the main power circuit connected system circuit, for providing operating voltage with the electric loading, control circuit communicates when system circuit gets into standby state electric current branch, for energy -storage capacitor charges, the effective recycling of realization standby leakage current to after system circuit changes over to running state over to, cut off electric current branch and control energy -storage capacitor pass through main power circuit to with the electric loading power supply, realized retrieving recycling of the energy from this, compensated partly electric energy because of system's stand -by power consumption loss to reduce total power consumption of electronic product, the standby and the live time of extension electronic product especially are fit for using in the wearing electron -like product that the size is limited, battery capacity is less.
Description
Technical field
The utility model belongs to system circuit design technical field, is to be related to one kind for control system work(specifically
The circuit design of consumption.
Background technology
With the fast development and rapid popularization of wearing electronic product, integrated function is got in wearing electronic product
Come more, the peripheral components such as different types of sensor, functional chip are more and more incorporated into system schema so that even
Connect the peripheral chip of carry on the communication bus of main control chip more and more.These peripheral chips are by communication bus and master control
During chip connection communication, in order to ensure the stability of signal transmission, it usually needs connect pull-up circuit in each bus, such as
Shown in Fig. 1, for example, system power supply VDD is connected to by pull-up resistor R, the current potential of high level signal is stable unified
On VDD current potentials, it is to avoid signal is in transmitting procedure because being there is mistake by noise jamming.
Using the system design for connecting pull-up circuit on communication bus, although asking for stable signal transmission can be solved
Topic, but, in order to ensure response speed, the resistance of pull-up resistor R can not arrange too much, and this results in electronic product standby
When communication bus on can exist microampere order system electric leakage.Also, as the peripheral chip of carry on communication bus gradually increases,
System electric leakage also can gradually increase, and the stand-by power consumption that electronic product is caused then increases therewith.
Additionally, the power supply terminal of most of functional chips is all to be connected to system power supply, reception system by supply line
The operating voltage that power supply is provided.It is to reduce system power dissipation when electronic product is standby, these functional chips are often in not work
Make state.But, system power supply is yet suffered from standby period, and this results in the system leakage that microampere order is still had in supply line
Electricity is present.Also, with being continuously increased for the quantity for dressing the functional chip that electronic product is internally integrated, this system electric leakage
Also gradually increasing, the stand-by power consumption that electronic product is caused then increases therewith.
The increase of product stand-by power consumption, causing the electricity of system consumption increases, but is limited by due to dressing electronic product
Configuration design, the volume of its internal battery for being used can not be too big, and the electrical power storage ability of battery is low, thus day by day increases
Stand-by power consumption can undoubtedly cause the continuous shortening of product work time so that user needs when in use frequent charge, seriously
Have impact on the experience of user.
Based on this, system power dissipation how is reduced, extend the standby and working time of product, be to dress electronic product at present
One of subject matter for facing.
The content of the invention
The utility model proposes a kind of power control circuit for the electronic product that there is system electric leakage, by system
The leakage current that setting storage capacitor is produced to product when standby in circuit carries out recycling, it is possible thereby to compensate a part
Because of the electric energy of system standby power consumption penalty, to extend the cruising time of electronic product.
To solve above-mentioned technical problem, the utility model is employed the following technical solutions and is achieved：
The utility model proposes in one aspect a kind of power control circuit, including storage capacitor, main power circuit and
Control circuit；The storage capacitor is connected to the conventional line that circuit system has leakage current when standby by electric current branch
On；Use electric loading in the main power circuit connection system circuit, to provide operating voltage with electric loading；Wherein, the storage
Energy electric capacity is connected to the main power circuit by discharge line；The control circuit circuit system enter holding state when,
The described electric current branch of connection, makes the leakage current in the conventional line be sent to described energy storage electricity via the electric current branch
Hold, be that the storage capacitor charges；After circuit system proceeds to running status, the control circuit cuts off the electric current branch simultaneously
The discharge line is connected, is discharged to the main power circuit by the storage capacitor, be the electricity consumption load supplying.
Further, there is the conventional line of leakage current when the power control circuit also includes and is connected to described standby
In first switch, the second switch being connected in the electric current branch and the 3rd switch being connected in the discharge line；
Wherein, the control circuit passes through the control first switch break-make to change the on off operating mode of the conventional line, by control
The second switch break-make is made to change the on off operating mode of the electric current branch, by controlling the 3rd switch on and off to change
The on off operating mode of the discharge line.
Preferably, the first switch and the 3rd switch preferably adopt N-channel MOS pipe, are referred to as the first N-channel MOS
Pipe and the second N-channel MOS pipe, the second switch preferably adopts P-channel metal-oxide-semiconductor, referred to as the first P-channel metal-oxide-semiconductor；By described
The source electrode of one N-channel MOS pipe and drain electrode are connected in the conventional line, by the source electrode of the first P-channel metal-oxide-semiconductor and drain electrode
In being connected to the electric current branch, the source electrode of the second N-channel MOS pipe and drain electrode are connected in the discharge line；It is logical
Cross the control circuit output and enable signal all the way and be transmitted separately to the grid of the first N-channel MOS pipe, the second N-channel MOS pipe
The grid of grid and the first P-channel metal-oxide-semiconductor；When circuit system is standby, it is low level to put the enable signal, controls a N
Channel MOS tube and the second N-channel MOS pipe end, the first P-channel metal-oxide-semiconductor saturation conduction, are charged with controlling the storage capacitor；
After circuit system proceeds to running status, it is high level to put the enable signal, controls the first N-channel MOS pipe and the 2nd N
Channel MOS tube saturation conduction, the first P-channel metal-oxide-semiconductor cut-off to control the storage capacitor electric discharge, and connects the conventional line
Road, it is ensured that circuit system normally runs.
In order that being fed back to the voltage stabilization of main power circuit by storage capacitor, the utility model is preferably in the power consumption
Mu balanced circuit is further set in control circuit, and the described discharge line of connection receives the electricity of the storage capacitor electric discharge output
Can, and carry out after voltage stabilizing process, exporting to described main power circuit；Wherein, main electricity is provided with the main power circuit
Source, the main power circuit exports the electric energy of the storage capacitor release after circuit system proceeds to running status, first, is institute
Electricity consumption load supplying is stated, after storage capacitor electric discharge terminates, the main power source is automatically switched to and is supplied for the electric loading
Electricity.
In order to realize storage capacitor preferential discharge, the utility model is additionally provided with the main power circuit and supplies electricity output
End, the 3rd N-channel MOS pipe and the second P-channel metal-oxide-semiconductor, by the output end of the mu balanced circuit respectively with the 3rd N-channel
The grid correspondence of the grid, drain electrode and the second P-channel metal-oxide-semiconductor of metal-oxide-semiconductor connects, and the source electrode of the second P-channel metal-oxide-semiconductor is connected
The main power source is connect, the drain electrode of the second P-channel metal-oxide-semiconductor and the source electrode of the 3rd N-channel MOS pipe are connected to described confession electricity output
End, by the power supply output end operating voltage needed for the use electric loading is exported, or the power supply output end is connected
To voltage conversion circuit, the operating voltage needed for the output use electric loading is changed by voltage conversion circuit, to meet system
Respectively with the need for electricity of electric loading in circuit.
Further, the control circuit connects peripheral chip by communication bus, and the conventional line is to be connected to
State the pull-up circuit on communication bus；And/or, into off position when being provided with some standby in the circuit system
Functional chip, the conventional line is the supply line of the power supply terminal for connecting the functional chip.
The utility model also proposed a kind of wearing electronic product at another aspect, including circuit system, storage capacitor,
Main power circuit and control circuit；The storage capacitor is connected to circuit system and there is leakage current when standby by electric current branch
Conventional line on；Use electric loading in the main power circuit connection system circuit, to provide operating voltage with electric loading；Its
In, the storage capacitor is connected to the main power circuit by discharge line；The control circuit is entered in circuit system and treated
During machine state, the described electric current branch of connection makes the leakage current in the conventional line be sent to institute via the electric current branch
The storage capacitor stated, is that the storage capacitor charges；After circuit system proceeds to running status, the control circuit cut-out is described
Electric current branch simultaneously connects the discharge line, is discharged to the main power circuit by the storage capacitor, is that the electricity consumption is born
Carry power supply.
Compared with prior art, advantage of the present utility model and good effect are：Exist when the utility model is directed to standby
System electric leakage electronic product propose a kind of control circuit that recycling is carried out to leakage current, by it is standby when cause
The leakage current that system power dissipation increases is reclaimed, and the circuit system for product itself is powered, it is possible thereby to compensate it is a part of because
The electric energy of system standby power consumption penalty, to reduce the total power consumption of electronic product, lifts the service efficiency of electric energy, extends electronics and produces
The standby and use time of product.Power control circuit simple structure of the present utility model, the area for taking pcb board is little, especially fits
Conjunction is applied in the less wearing electronic product of size-constrained, battery capacity, to extend the cruising time of the electronic product,
Improve the experience of user.
After the detailed description of the utility model embodiment is read in conjunction with the accompanying, other features of the present utility model and advantage
Will become clearer from.
Description of the drawings
Fig. 1 is a kind of circuit theory diagrams of embodiment of the pull-up circuit being connected in prior art on communication bus；
Fig. 2 is a kind of circuit theory diagrams of embodiment of the power control circuit that the utility model is proposed；
Fig. 3 is a kind of circuit theory diagrams of embodiment of main power circuit in Fig. 2.
Specific embodiment
Specific embodiment of the present utility model is described in more detail below in conjunction with the accompanying drawings.
There is the electronic product of leakage current when the present embodiment is directed to standby in circuit system, it is proposed that a kind of power consumption control electricity
Road, by the leakage current produced when standby to circuit system recycling is carried out, to reducing setting for system power dissipation
Meter purpose.In order to realize effective recovery of standby leakage current, the present embodiment sets up storage in the existing system circuit of electronic product
Can electric capacity, and circuit system be connected to by electric current branch exist when standby on the conventional line of leakage current, in system standby
When, electric leakage is streamed to described storage capacitor by the described electric current branch of connection, is that the storage capacitor charges, and realizes system
Effective recovery of system leakage current.After system proceeds to running status, the described electric current branch of cut-out, and connect putting for storage capacitor
Electrical circuit, the electric energy that storage capacitor is stored is discharged, and is exported by main power circuit and is used electric loading into circuit system
Power supply, is electricity consumption load supplying, the stand-by power consumption that thus just can compensate for due to leakage current and produce, to realize to total system power consumption
Effective control, reaches energy-saving control effect.
With reference to Fig. 2, Fig. 3, the physical circuit design and its operation principle to the power control circuit of the present embodiment is entered
Row is elaborated.
As shown in Fig. 2 pull-up electricity of the present embodiment to be connected on the communication bus between main control chip and peripheral chip
Illustrate as a example by the conventional line that there is leakage current when road is standby（Certainly, the main control chip can also be control circuit
In other chips being connected with peripheral chip by communication bus, the present embodiment do not carry out concrete restriction to this）.The communication
Bus is preferably universal serial bus, such as I2C buses, spi bus etc., Fig. 2 is with I2Illustrate as a example by C buses.Main control chip passes through
I2It is the stability for improving signal transmission, in data/address bus SDA and clock bus SCL when C buses are with peripheral chip connection communication
On be connected to pull-up circuit, for example, data/address bus SDA is connected to system power supply VDD, clock bus by pull-up resistor R1
SCL is connected to system power supply VDD by pull-up resistor R2, and pull-up resistor R1 and system power supply VDD constitute the first pull-up circuit, on
Pull-up resistor R2 and system power supply VDD constitute the second pull-up circuit.In order to institute can be cut off when circuit system enters holding state
The pull-up circuit stated, the present embodiment sets up first switch in first pull-up circuit and the second pull-up circuit respectively, for example
The N-channel MOS pipe Q11 being connected in the first pull-up circuit and N-channel MOS pipe Q21 being connected in the second pull-up circuit, definition
The N-channel MOS pipe Q11 and N-channel MOS pipe Q21 be the first N-channel MOS pipe, drain respectively pass through pull-up resistor R1,
R2 is connected to system power supply VDD, and source electrode is correspondingly connected to data/address bus SDA and clock bus SCL, on described first
Puller circuit and the second pull-up circuit carry out break-make control.
The external impressed current branch on the pull-up circuit, and storage capacitor C1, C2 are connected to by the electric current branch.For
Break-make control is carried out to the electric current branch, the present embodiment sets up second switch in the electric current branch, as shown in fig. 2
First P-channel metal-oxide-semiconductor Q12, Q22.Specifically, the source electrode of the first P-channel metal-oxide-semiconductor Q12/Q22 can be connected on described
Puller circuit, specifically can be connected between the first N-channel MOS pipe Q11/Q12 and pull-up resistor R1/R2, by the first P-channel MOS
The drain electrode of pipe Q12, Q22 is correspondingly connected to the positive pole of storage capacitor C1, C2, by the minus earth of storage capacitor C1, C2, by control
The first P-channel metal-oxide-semiconductor Q12, Q22 on or off is made, to change the charging and discharging state of storage capacitor C1, C2.
For the use electric loading being supplied to the electric energy stored in storage capacitor C1, C2 in circuit system, to realize reclaiming
The recycling of electric energy, the present embodiment is also associated between the positive pole of storage capacitor C1, C2 and the main power circuit of system
Discharge line.The 3rd switch can further be connected in the discharge line, such as the second N-channel MOS pipe shown in Fig. 2
Q13, Q23, to realize that the break-make to the discharge line is controlled.Specifically, can by the second N-channel MOS pipe Q13,
The drain electrode of Q23 is correspondingly connected to the positive pole of storage capacitor C1, C2, and source electrode is connected to main power circuit, by controlling the second N-channel
Metal-oxide-semiconductor Q13, Q23 saturation conduction, to connect the discharge loop of storage capacitor C1, C2, the electricity that will be stored in storage capacitor C1, C2
Can discharge to main power circuit.
In order to ensure being discharged by storage capacitor C1, C2 to the voltage stabilization of main power circuit, the present embodiment is preferably in storage
Mu balanced circuit is set up between the positive pole and main power circuit of energy electric capacity C1, C2, storage capacitor C1, C2 are exported by mu balanced circuit
Electric energy carry out after voltage stabilizing process, then transmit to described main power circuit, for being supplied with electric loading in for circuit system
Electricity.
By the first N-channel MOS pipe Q11, Q21, first P-channel metal-oxide-semiconductor Q12, Q22 and the second N-channel MOS pipe Q13,
The grid of Q23 is respectively connecting to the control circuit in system, for example, is connected to described main control chip, defeated by main control chip
The enable signal V for going outENControl the accurate break-make of each road metal-oxide-semiconductor.In order to save the interface resource of main control chip, the present embodiment adopts N
, used as first switch, P-channel metal-oxide-semiconductor Q12, Q22 is used as second switch, N-channel MOS pipe Q13, Q23 for channel MOS tube Q11, Q21
As the 3rd switch, the grid of each road metal-oxide-semiconductor is connected into the same I/O port all the way of main control chip, exported using main control chip
Road pulse enables signal VENAccurate switch control rule can be realized to each road metal-oxide-semiconductor.
Specifically, when main control chip detects system into holding state, the enable letter of its I/O port output is put
Number VENFor low level, first N-channel MOS pipe Q11, Q21 and second N-channel MOS pipe Q13, Q23 cut-offs are controlled then, in cut-out
Puller circuit and discharge line, and first P-channel metal-oxide-semiconductor Q12, Q22 saturation conduction is controlled, connection electric current branch makes pull-up circuit
The leakage current of middle generation is transmitted to storage capacitor C1, C2 via first P-channel metal-oxide-semiconductor Q12, Q22, is that storage capacitor C1, C2 fill
Electricity, realizes effective recovery of standby leakage current.
When main control chip detect system by it is standby proceed to normal operating condition when, put the enable letter of its described I/O port output
Number VENFor high level, first N-channel MOS pipe Q11, Q21 saturation conduction is controlled then, connects pull-up circuit, make main control chip with
Peripheral chip can be with proper communication, while controlling first P-channel metal-oxide-semiconductor Q12, Q22 cut-offs, the described electric current branch of cut-out ties
The charging process of beam storage capacitor C1, C2, and second N-channel MOS pipe Q13, Q23 saturation conduction is controlled, discharge line is connected, will
The electric energy that storage capacitor C1, C2 are recovered to when standby is transmitted to main power circuit by first P-channel metal-oxide-semiconductor Q12, Q22, is to be
Electricity consumption load supplying in system.
Additionally, for the conventional line that there is system electric leakage when other are standby in circuit system, such as some functional chips
Work, but its power supply terminal are not needed when standby due to being connected to system power supply, therefore in the power supply of its connection system power supply
Also can there is standby leakage current on circuit.In order to will be standby when the leakage current that produces carry out recycling as much as possible, this
Embodiment exists when other in addition to above-mentioned communication bus are standby and is also equipped with such as Fig. 2 institutes on the conventional line of system electric leakage
The power control circuit for showing, makes up the energy ezpenditure of system main power source, to greatest extent using the standby leakage being recovered to
Reduce system power dissipation.
In order that the electric energy stored in storage capacitor C1, C2 can be released after circuit system proceeds to start running status
Finish, in order to recovery system leak electricity to greatest extent when next standby, the present embodiment designs described storage capacitor C1, C2
Discharge in advance after circuit system proceeds to start running status, after the electric energy release stored in storage capacitor C1, C2 terminates, then
Switch to the original main power source of system to power.
To reach above-mentioned control purpose, the present embodiment is additionally provided with the 3rd N-channel MOS pipe in the power control circuit
Q14 and the second P-channel metal-oxide-semiconductor Q15, as shown in Figure 3.The input of mu balanced circuit is connected into the positive pole of storage capacitor C1, C2,
The grid of the output end of mu balanced circuit grid, drain electrode and the second P-channel metal-oxide-semiconductor Q15 respectively with the 3rd N-channel MOS pipe Q14
Correspondence connection, the main power source source electrode of the second P-channel metal-oxide-semiconductor Q15 being connected in main power circuit, the second P-channel MOS
The drain electrode of pipe Q15 and the source electrode of the 3rd N-channel MOS pipe Q14 are connected to the output end vo ut that powers.Its operation principle is：When being
System circuit from it is standby proceed to start running status when, due to storing electric energy in storage capacitor C1, C2, therefore by mu balanced circuit
The current potential of output is height, and this high level acts on the grid of the 3rd N-channel MOS pipe Q14 and the second P-channel metal-oxide-semiconductor Q15, and then
Control the 3rd N-channel MOS pipe Q14 saturation conductions, the second P-channel metal-oxide-semiconductor Q15 cut-offs, so as to export mu balanced circuit voltage stabilizing
Electric energy is transmitted to power supply output end vo ut, for for the electricity consumption load supplying in circuit system.When storage in storage capacitor C1, C2
At the end of the electric energy deposited discharges（That is, the cathode voltage of storage capacitor C1, C2 is less than the input voltage range required by mu balanced circuit
Lower limit when）, the voltage exported by mu balanced circuit is low, and now the 3rd N-channel MOS pipe Q14 ends, the second P-channel MOS
Pipe Q15 saturation conductions, so as to switch to main power source to the power supply output end vo ut output power supplies.
If the dc source exported by mu balanced circuit and main power source disclosure satisfy that in circuit system respectively with the use of electric loading
Electric demand, then the power supply output end vo ut can be connected directly to the power supply terminal of each use electric loading, be each to use electric loading
Operating voltage needed for it is provided.If the dc source exported by mu balanced circuit and main power source can not meet and all use electric loading
Need for electricity, then the power supply output end vo ut can be connected to voltage conversion circuit, by voltage conversion circuit change
The operating voltage needed for each use electric loading is exported, to meet the need for electricity of each use electric loading.
In the present embodiment, the first N-channel MOS pipe Q11, Q21, the first P-channel metal-oxide-semiconductor Q12, Q22, the 2nd N ditches
Road metal-oxide-semiconductor Q13, Q23, the 3rd N-channel MOS pipe Q14 and the second P-channel metal-oxide-semiconductor Q15 can also have on-off action using other
Switch element carry out the specific design of power control circuit, the present embodiment is not limited in above citing.
The present embodiment is directed to multibus, the portable type electronic product of many peripheral chips, for example, dress electronic product etc., carries
A kind of control strategy of leakage current recycling is gone out, the leakage current produced during by system standby is reclaimed and is being
Recycled after system operation, so as to effectively improve the electric energy service efficiency of electronic product, extend the standby of product and make
Use the time.
Certainly, described above is not that, to restriction of the present utility model, the utility model is also not limited to the example above,
Change, remodeling, addition or replacement that those skilled in the art are made in essential scope of the present utility model,
Also protection domain of the present utility model should be belonged to.
Claims (10)
1. a kind of power control circuit, it is characterised in that include：
Storage capacitor, it passes through electric current branch and is connected to circuit system to exist when standby on the conventional line of leakage current；
Main power circuit, the use electric loading in its connection system circuit, to provide operating voltage with electric loading；Wherein, the storage
Energy electric capacity is connected to the main power circuit by discharge line；
Control circuit, it connects described electric current branch, in making the conventional line when circuit system enters holding state
Leakage current is sent to described storage capacitor via the electric current branch, is that the storage capacitor charges；Proceed in circuit system
After running status, the control circuit cuts off the electric current branch and connects the discharge line, by the storage capacitor to
The main power circuit electric discharge, is the electricity consumption load supplying.
2. power control circuit according to claim 1, it is characterised in that also include：
First switch, it exists in the conventional line of leakage current when being connected to described standby；
Second switch, it is connected in the electric current branch；
3rd switch, it is connected in the discharge line；
Wherein, the control circuit is led to by controlling the first switch break-make to change the on off operating mode of the conventional line
Cross the on off operating mode for controlling the second switch break-make to change the electric current branch, by control the 3rd switch on and off with
Change the on off operating mode of the discharge line.
3. power control circuit according to claim 2, it is characterised in that the first switch and the 3rd switch are N
Channel MOS tube, respectively the first N-channel MOS pipe and the second N-channel MOS pipe, the second switch is the first P-channel metal-oxide-semiconductor；
The source electrode of the first N-channel MOS pipe and drain electrode are connected in the conventional line, the source electrode of the first P-channel metal-oxide-semiconductor and
Drain electrode is connected in the electric current branch, and the source electrode of the second N-channel MOS pipe and drain electrode are connected in the discharge line；
The control circuit output enables all the way signal and is transmitted separately to the grid of the first N-channel MOS pipe, the second N-channel MOS pipe
Grid and the first P-channel metal-oxide-semiconductor grid；When circuit system is standby, it is low level to put the enable signal, controls first
N-channel MOS pipe and the second N-channel MOS pipe end, the first P-channel metal-oxide-semiconductor saturation conduction, are charged with controlling the storage capacitor；
After circuit system proceeds to running status, it is high level to put the enable signal, controls the first N-channel MOS pipe and the 2nd N
Channel MOS tube saturation conduction, the first P-channel metal-oxide-semiconductor cut-off, to control the storage capacitor electric discharge.
4. power control circuit according to any one of claim 1 to 3, it is characterised in that also include：
Mu balanced circuit, the described discharge line of its connection receives the electric energy of the storage capacitor electric discharge output, and carries out at voltage stabilizing
After reason, export to described main power circuit；
Wherein, main power source is provided with the main power circuit, the main power circuit proceeds to running status in circuit system
Afterwards, the electric energy of the storage capacitor release is exported first, is the electricity consumption load supplying, treat that the storage capacitor electric discharge terminates
Afterwards, the main power source is automatically switched to for the electricity consumption load supplying.
5. power control circuit according to claim 4, it is characterised in that be additionally provided with confession in the main power circuit
Electricity output end, the 3rd N-channel MOS pipe and the second P-channel metal-oxide-semiconductor, the output end of the mu balanced circuit respectively with the 3rd N ditches
The grid correspondence of the grid, drain electrode and the second P-channel metal-oxide-semiconductor of road metal-oxide-semiconductor connects, and the source electrode of the second P-channel metal-oxide-semiconductor connects
The main power source is connect, the drain electrode of the second P-channel metal-oxide-semiconductor and the source electrode of the 3rd N-channel MOS pipe are connected to described confession electricity output
End.
6. power control circuit according to claim 5, it is characterised in that in the power supply output end connection system circuit
Use electric loading, export the operating voltage needed for the use electric loading.
7. power control circuit according to claim 5, it is characterised in that the power supply output end connection voltage conversion electricity
Road, the operating voltage being converted into via voltage conversion circuit by the power supply of output end output of powering needed for the use electric loading
Afterwards, it is the electricity consumption load supplying.
8. power control circuit according to any one of claim 1 to 3, it is characterised in that the control circuit passes through
Communication bus connects peripheral chip, and the conventional line is the pull-up circuit being connected on the communication bus.
9. power control circuit according to any one of claim 1 to 3, it is characterised in that in the circuit system
Into the functional chip of off position when being provided with some standby, the conventional line is the power supply for connecting the functional chip
The supply line of terminal.
10. a kind of wearing electronic product, including circuit system, it is characterised in that be additionally provided with as appointed in claim 1 to 9
Power control circuit described in one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621225198.4U CN206162381U (en) | 2016-11-15 | 2016-11-15 | Power consumption control circuit and wearing electron -like product |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621225198.4U CN206162381U (en) | 2016-11-15 | 2016-11-15 | Power consumption control circuit and wearing electron -like product |
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| CN206162381U true CN206162381U (en) | 2017-05-10 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106339066A (en) * | 2016-11-15 | 2017-01-18 | 歌尔科技有限公司 | Power consumption control method, circuit and wearable electronic product |
| CN109951179A (en) * | 2017-12-19 | 2019-06-28 | 炬芯（珠海）科技有限公司 | A kind of on/off circuit |
| CN110277821A (en) * | 2019-05-17 | 2019-09-24 | 青岛海信移动通信技术股份有限公司 | A kind of wearable charging unit and chargeable smart machine |
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2016
- 2016-11-15 CN CN201621225198.4U patent/CN206162381U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106339066A (en) * | 2016-11-15 | 2017-01-18 | 歌尔科技有限公司 | Power consumption control method, circuit and wearable electronic product |
| CN106339066B (en) * | 2016-11-15 | 2023-10-20 | 歌尔科技有限公司 | Power consumption control method, circuit and wearable electronic product |
| CN109951179A (en) * | 2017-12-19 | 2019-06-28 | 炬芯（珠海）科技有限公司 | A kind of on/off circuit |
| CN109951179B (en) * | 2017-12-19 | 2022-12-23 | 炬芯科技股份有限公司 | Startup and shutdown circuit |
| CN110277821A (en) * | 2019-05-17 | 2019-09-24 | 青岛海信移动通信技术股份有限公司 | A kind of wearable charging unit and chargeable smart machine |
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