CN108879844A - A kind of power supply unit, method of supplying power to and electronic equipment - Google Patents
A kind of power supply unit, method of supplying power to and electronic equipment Download PDFInfo
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- CN108879844A CN108879844A CN201810717119.9A CN201810717119A CN108879844A CN 108879844 A CN108879844 A CN 108879844A CN 201810717119 A CN201810717119 A CN 201810717119A CN 108879844 A CN108879844 A CN 108879844A
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- interface
- power supply
- management chip
- power
- switch
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000002093 peripheral effect Effects 0.000 claims description 36
- 230000005611 electricity Effects 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 230000000875 corresponding effect Effects 0.000 description 63
- 238000010586 diagram Methods 0.000 description 11
- 230000002596 correlated effect Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Classifications
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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
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
-
- H02J7/008—
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4278—Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Power Sources (AREA)
Abstract
This application provides a kind of power supply unit, method of supplying power to and electronic equipments, the power supply unit includes supplying cell, the first power supply circuit with power management chip and the second power supply circuit with charger management chip, wherein, when meeting the first condition of power supply, the corresponding interface power supply of first power supply circuit by the power management chip at least one interface, when meeting the second condition of power supply, the second power supply circuit is powered using the corresponding interface of charger management chip at least one interface.It can be seen that, with be only capable of in the prior art by power management chip interface is powered in the way of compared with, the application has also expanded the second power supply circuit and has powered using the charger management chip in the second power supply circuit to interface, to share the load of power management chip, its power management pressure is reduced, while the requirement to power management chip and its included inductance can also be reduced.
Description
Technical field
The invention belongs to the power-supply service technical field of equipment more particularly to a kind of power supply units, method of supplying power to and electronics
Equipment.
Background technique
Type-C is a kind of connecting interface of USB (Universal Serial Bus, universal serial bus) interface, can be claimed
For Type-C interface, can be inserted into regardless of tow sides, size is about that 8.3mm × 2.5mm can be supported as other interfaces
The functions such as charging, data transmission, the display output of USB standard.
Currently, when the Type-C interface in equipment such as notebooks accesses Type C peripheral hardware (such as Type C USB flash disk, Type C ear
Machine etc.) after, specific 5V power management chip, that is, PMIC (Power Management IC, the power management for utilizing device systems end
Integrated circuit) it is powered to it.However, in equipment type C interface increase, device systems end 5V power management core
The load of piece is increasing, increases the power management pressure of the chip, at the same also can to system end 5V power management chip and
The requirement of its included inductance is higher and higher, such as, it is desirable that PMIC and its inductance overcurrent capability with higher etc., to increase
The cost consumption and PCB (Printed Circuit Board, printed circuit board) area of PMIC are added.
Summary of the invention
In view of this, the application's is designed to provide a kind of power supply unit, method of supplying power to and electronic equipment, it is intended to overcome
The above problem reduces the load of system end PMIC, and then reduces the cost consumption and PCB surface product of PMIC.
For this purpose, the application is disclosed directly below technical solution：
A kind of power supply unit, for powering at least one interface, the power supply unit includes：
Supplying cell；
First power supply circuit is connected between the interface and the supplying cell at least one described interface, including with
The power management chip that the supplying cell is connected, for passing through the power management core when meeting the first condition of power supply
The corresponding interface power supply of the piece at least one described interface；
Second power supply circuit is connected between the interface and the supplying cell at least one described interface, including with
The charger management chip that the supplying cell is connected, for passing through charger management core when meeting the second condition of power supply
The corresponding interface power supply of the piece at least one described interface.
Above-mentioned apparatus, it is preferred that first power supply circuit further includes at least one power switch；
The power management chip pass through each power switch at least one described power switch respectively with it is described extremely
The each interface lacked in an interface is connected, for being established by cable by least one described confession when meeting the first condition of power supply
The corresponding interface power supply of the respective switch of the Central Shanxi Plain in an ON state at least one described interface.
Above-mentioned apparatus, it is preferred that second power supply circuit further includes：
At least one enabled switching group each includes the first enabled switch and the second enabled switch in enabled switching group；
Controller is connected to any one or more in the charger management chip and at least one described power switch
Between switch, and the controller by a corresponding enabled switching group at least one described enabled switching group and it is described extremely
A corresponding switch in a few power switch is connected；The first enabled switch in a corresponding enabled switching group connects
It is connected between corresponding charge switch and the power management chip, and is connected with the controller；Described corresponding one enabled
The second enabled switch in switching group is connected between the corresponding charge switch and the charger management chip, and with it is described
Controller is connected；
The controller is used for when meeting the first condition of power supply, enables the first enabled switch in corresponding enabled switching group
In an ON state, the second enabled switch is in an off state, so that using the power management chip to described at least one
The corresponding interface power supply in a interface；And for when meeting the second condition of power supply, the in corresponding enabled switching group is enabled
In an ON state, the first enabled switch is in an off state two enabled switches, so that utilizing the charger management chip
The corresponding interface from OTG function in progress at least one described interface power supply.
Above-mentioned apparatus, it is preferred that further include：
At least one charging circuit, the corresponding charging circuit of each interface；
Each charging circuit includes a charge switch, and the charge switch is connected to the phase at least one described interface
It answers between interface and the charger management chip, the charge switch has adapter access on the interface corresponding to it
When connect so that adapter is charged by the voltage conversion function of the charger management chip to the supplying cell.
Above-mentioned apparatus, it is preferred that described to fill when having adapter access on the either interface at least one described interface
Electric appliance managing chip is also powered to the power management chip, is connect so that the power management chip is based on adapter to each
Confession electricity.
Above-mentioned apparatus, preferably：
First condition of power supply includes：The one of any of the following conditions need to be met：Appointing at least one described interface
One interface couple in adapter, alternatively, the non-couple in adapter of total interface at least one described interface and it is described at least one
It is not connected with having peripheral hardware access on the corresponding interface of second power supply circuit in interface；
Second condition of power supply includes：The non-couple in adapter of total interface at least one described interface, and it is described
There is peripheral hardware access on the corresponding interface being connected at least one interface with second power supply circuit.
Above-mentioned apparatus, it is preferred that the power switch, charge switch, the first enabled switch and the second enabled switch are mos
Pipe.
A kind of method of supplying power to, for being powered using power supply unit at least one interface；The power supply unit includes：Power supply
Battery；First power supply circuit is connected between the interface and the supplying cell at least one described interface, including with it is described
The power management chip that supplying cell is connected；Second power supply circuit, the interface being connected at least one described interface and institute
It states between supplying cell, including the charger management chip being connected with the supplying cell；
The method of supplying power to includes：
When meeting the first condition of power supply, pass through the power management chip accordingly connecing at least one described interface
Confession electricity；
It is corresponding at least one described interface by the charger management chip when meeting the second condition of power supply
Interface power supply.
The above method, it is preferred that it is described when meeting the first condition of power supply, by the power management chip to it is described extremely
The corresponding interface power supply in a few interface, including：
Either interface couple in adapter at least one described interface, alternatively, the institute at least one described interface
Have on the corresponding interface for being not connected with second power supply circuit in the non-couple in adapter of interface and at least one described interface outside having
If when access, being powered by the corresponding interface of the power management chip at least one described interface；
Correspondingly, described when meeting the second condition of power supply, using charger management chip to it is described at least one connect
The corresponding interface power supply in mouthful, including：
The non-couple in adapter of total interface at least one described interface, and at least one described interface with it is described
When having peripheral hardware access on the corresponding interface that the second power supply circuit is connected, using charger management chip to it is described at least one connect
The corresponding interface power supply in mouthful.
A kind of electronic equipment, including：At least one interface and such as described in any item power supply units of claim 1-7.
According to above scheme it is found that power supply unit provided by the present application, including supplying cell, with power management chip
First power supply circuit and the second power supply circuit with charger management chip, wherein when meeting the first condition of power supply,
The corresponding interface power supply of one power supply circuit by the power management chip at least one interface, is meeting the second power supply item
When part, the second power supply circuit is powered using the corresponding interface of charger management chip at least one interface.It can be seen that with
Be only capable of in the prior art by power management chip interface is powered in the way of compare, the application also expanded second power supply
Circuit is simultaneously powered using the charger management chip in the second power supply circuit to interface, to share power management chip
Load, reduces its power management pressure, while can also reduce the requirement to power management chip and its included inductance.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of structural schematic diagram of power supply unit embodiment one provided by the present application；
Fig. 2 is the circuit structure diagram of the power supply unit of electronic equipment in the prior art；
Fig. 3 is a kind of structural schematic diagram of power supply unit embodiment two provided by the present application；
Fig. 4 is a kind of structural schematic diagram of power supply unit embodiment three provided by the present application；
Fig. 5 is a kind of flow diagram of method of supplying power to example IV provided by the present application；
Fig. 6 is the structural schematic diagram of a kind of electronic equipment embodiment five provided by the present application.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
This application provides a kind of power supply unit, method of supplying power to and electronic equipments, for reducing the power supply pipe of electronic equipment
The load for managing chip, mitigates the power management pressure of power management chip, below by the confession by multiple embodiments to the application
Electric installation, method of supplying power to and electronic equipment are illustrated.
It is a kind of structural schematic diagram of power supply unit embodiment one provided by the present application with reference to Fig. 1, which can answer
For in the electronic equipments such as notebook, and it is specifically used at least one interface for including to electronic equipment power supply, described at least one
A interface can include but is not limited to all types of interfaces for being used to access peripheral hardware of electronic equipment, such as accessing Type C U
Type C interface of all types of Type C peripheral hardwares such as disk, Type C earphone etc..It next will be mainly right by taking Type C interface as an example
Application scheme is illustrated.
As shown in Figure 1, in the present embodiment, the power supply unit includes：
Supplying cell 11.
The supplying cell 11 can be the internal battery of the electronic equipments such as notebook, such as nickel-cadmium cell (NiCd) or ni-mh
Battery (NiMH) etc. has the function of electric power storage of charging, can set in the case where electronic equipment does not access external power supply to electronics
Standby each functional component power supply.
First power supply circuit 12 is connected between the interface and the supplying cell 11 at least one described interface, packet
The power management chip 121 being connected with the supplying cell 11 is included, first power supply circuit 12 is for meeting the first confession
When electric condition, powered by the corresponding interface of the power management chip 121 at least one described interface.
Specifically, the power management chip 121 in first power supply circuit 12 may connect at least one described interface
In each interface and the supplying cell 11 between, with it is any in the prior art under the conditions of by power management chip to each
The mode that a interface is powered distinguishes, and in the application, only when meeting the first condition of power supply, just passes through the power supply
The corresponding interface power supply of the managing chip 121 at least one interface of electronic equipment.
Wherein, first condition of power supply can be the condition according to set by actual service logic demand, this first
The setting purpose of condition of power supply is：Under the premise of can satisfy the power demands of interface, mitigate the power management chip
121 load, and then reduce the power management pressure of power management chip 121.Therefore, first condition of power supply can be set
To can show that the load of power management chip 121 is not up to the correlated condition of the upper limit, it is such as currently accessed the interface quantity of peripheral hardware
Not up to set amount threshold (as only a Type C interface accessed Type C peripheral hardware, load pressure is smaller, so as to
Directly powered by power management chip) etc.；Or the interface with power demands has only accessed the first power supply circuit 12, does not connect
Enter second power supply circuit of the application etc. (in such cases, can only be powered, so as to be determined as that this connects using power management chip
Mouth meets the first condition of power supply).First condition of power supply can by technical staff when carrying out product design according to demand voluntarily
It determines, the present embodiment does not limit to the content of first condition of power supply.
Second power supply circuit 13 is connected between the interface and the supplying cell 11 at least one described interface, packet
The charger management chip 131 being connected with the supplying cell 11 is included, second power supply circuit 13 is for meeting second
When condition of power supply, powered using the corresponding interface of charger management chip 131 at least one described interface.
Charger management chip is as its name suggests for example above-mentioned for the internal battery to electronic equipment in the prior art
Supplying cell 11 carry out Charge Management, by taking notebook as an example, refering to what is shown in Fig. 2, charger management chip is (i.e. in Fig. 2
Charger it) is generally used for the 20V direct current that adapter accesses being converted to 6.5~8.8V direct current and is supplied to notebook
Internal battery (Battery), so that the internal battery for notebook charges, meanwhile, it is transported in notebook os starting
In the case where row, it is also used to convert resulting 6.5~8.8V direct current and is supplied to power management chip (PMIC), subsequent power
6.5~8.8V direct current is converted to 5V direct current based on its voltage conversion function and realized to equipment power supply by managing chip.
It is distinguished with the prior art, the application is proposed by improving to charger management chip, and is specifically led to
The expansion power supply management function in charger management chip is crossed, so that the charger management chip is in addition to can be used in charging
Management, additionally it is possible to for being powered management to part of appliance, so as to (electric based on equipment using the charger management chip
The electricity in pond) part of appliance is powered, the load of power management chip is shared with this.
In consideration of it, the charger management chip 131 in the application is also equipped with the phase at least one above-mentioned interface
The power supply management function of answering interface to be powered.
In specific implementation, the second power supply circuit 13 corresponding to the charger management chip 131 can be connected to described
Between one or more interfaces at least one interface, for being supplied by described second when meeting the second condition of power supply
The corresponding interface power supply of the charger management chip 131 at least one described interface in circuit 13, shares power supply with this
The load pressure of managing chip 121.Second condition of power supply equally can be according to set by actual service logic demand
Condition, and its set purpose it is identical as the setting purpose of the first condition of power supply, be in the power demands that can satisfy interface
Under the premise of, mitigate the load of the power management chip 121, and then reduce the power management pressure of power management chip 121.
To which second condition of power supply can be the condition to match with first condition of power supply, and such as can be can show that electricity
The load of source control chip 121 has reached the correlated condition of the upper limit (the interface quantity as being currently accessed peripheral hardware has reached setting
Amount threshold, so that the charger management chip 131 that the second power supply circuit 13 can be used for the interface beyond amount threshold supplies
Electricity) etc..
According to above scheme it is found that power supply unit provided in this embodiment, including supplying cell, there is power management chip
The first power supply circuit and the second power supply circuit with charger management chip, wherein when meeting the first condition of power supply,
The corresponding interface power supply of first power supply circuit by the power management chip at least one interface, is meeting the second power supply
When condition, the second power supply circuit is powered using the corresponding interface of charger management chip at least one interface.It can be seen that
Be only capable of in the prior art by power management chip interface is powered in the way of compared with, the application also expanded second confession
Circuit is simultaneously powered using the charger management chip in the second power supply circuit to interface, to share power management chip
Load, reduce its power management pressure, while the requirement to power management chip and its included inductance can also be reduced.
It is a kind of structural schematic diagram of power supply unit embodiment two provided by the present application with reference to Fig. 3, the present embodiment continues pair
The power supply unit is described in further detail, as shown in figure 3, first power supply circuit 12 of the power supply unit further include to
A few power switch 122；
The power management chip 121 pass through each power switch at least one described power switch 122 respectively with
Each interface at least one described interface is connected, for when meeting the first condition of power supply, by it is described at least one
The corresponding interface power supply of the respective switch at least one described interface in power switch 122 in an ON state.
As shown in figure 3, second power supply circuit 13 further includes：
At least one enabled switching group 132 each includes that the first enabled switch 1321 and second make in enabled switching group
It can switch 1322；
Controller 133 is connected to the charger management chip 131 and appointing at least one described power switch 122
Between one or more switch, and the controller 133 is made by corresponding one at least one described enabled switching group 132
Energy switching group is connected to the corresponding switch at least one described power switch 122；Described corresponding one enabled switch
The first enabled switch 1321 in group is connected between corresponding charge switch and the power management chip 121, and with the control
Device 133 processed is connected；The second enabled switch 1322 in a corresponding enabled switching group is connected to the phase inductive charging and opens
It closes between the charger management chip 131, and is connected with the controller 133；
The controller 133 is used for when meeting the first condition of power supply, and first enabled in corresponding enabled switching group enables
In an ON state, the second enabled switch 1322 is in an off state switch 1321, so that utilizing the power management chip
121 the corresponding interface power supply at least one described interface；And for when meeting the second condition of power supply, enabling accordingly to make
In an ON state, the first enabled switch 1321 is in an off state the second enabled switch 1322 in energy switching group, so that
Using OTG (On-The-Go, the in progress) function of the charger management chip 131 at least one described interface
The corresponding interface power supply.
Wherein, include at least one described power switch 122 and at least one described enabled switching group 132 the
One enabled switch 1321, second enables switch 1322, can be but not limited to mos pipe.
The present embodiment by be arranged in the second power supply circuit 13 controller 133 and it is described at least one enabled open
The enabled switch 1322 of the first enabled switch 1321, second that pass group 132 includes may make and meet the first condition of power supply or the
In the case where two conditions of power supply, the ON/OFF of the described first enabled switch 1321 is enabled using the controller 133, simultaneously
The off/on for enabling the described second enabled switch 1322, realizes and utilizes the power management core in first power supply circuit 12
Piece 121 is powered to interface or is powered using the power management chip 131 in second power supply circuit 13 to interface.Specifically
Ground, when meeting above-mentioned first condition of power supply, for example, being not up to setting in the interface quantity that electronic equipment is currently accessed peripheral hardware
In the case where amount threshold, using first in enabled switching group corresponding to the enabled interface for accessing peripheral hardware of controller 133
Enabled switch connection, the second enabled switch OFF, so that power switch and the power supply corresponding to the interface of access peripheral hardware
Connection between managing chip 121 is connected, and then the interface power supply by power management chip 121 to access peripheral hardware.
Alternatively, a certain interface in access peripheral hardware has only accessed first power supply circuit and has not accessed second power supply
In the case where circuit, in order to meet the power demands of the interface, the corresponding power switch of the interface can be directly connected, so as to get profit
It is powered with the power management chip 121 in the first power supply circuit 12 to the interface.
And when meeting above-mentioned second condition of power supply, for example, the interface quantity in current accessed peripheral hardware has reached setting
Amount threshold on the basis of, continue to have accessed on an idle interface not only peripheral hardware (as but accessed on an idle Type C interface
Type C peripheral hardware), then it can enable that the interface is corresponding enabled to be opened using controller 133 for interface of the new access peripheral hardware
The first enabled switch OFF, the second enabled switch connection in the group of pass, make the corresponding power switch of the interface and second with this
The connection of charger management chip chamber in power supply circuit is connected, and then is powered using charger management chip to the interface.Or
Person can be from working as if interface of the new access peripheral hardware has only accessed the first power supply circuit 12 (not connected second power supply circuit 13)
In the preceding each interface being powered using power management chip 121, selects while having accessed the first, second power supply circuit
(or multiple) interface, and carry out accordingly making can control by enabled switching group to selected interface, so that by institute
(or multiple) the interface switching at runtime chosen is to be powered using the charger management chip 131 of the second power supply circuit 13, together
When, for newly accessing the interface of peripheral hardware, since it has only accessed the first power supply circuit 12, thus, it can directly utilize the first power supply
Power supply power supply chip 121 in circuit 12 is powered to it.
In practical application, at least partly interface access the second power supply electricity at least one described interface may be selected to be
Road 13 enables to supply using the charger management chip 131 of second power supply circuit 13 to interface whenever necessary
Electricity shares the load of power management chip 121 with this, reduces its power management pressure, so reduce to power management chip and
The requirement of its included inductance.
When it is implemented, can be by the related switch control instruction collection based on first condition of power supply, the second condition of power supply
And the control function based on the switching control instruction collection is integrated in the existing embedded controller of electronic equipment (such as notebook)
In (EC, embedded controller), and it can be added in the embedded controller simultaneously and enable to open corresponding at least one set of
At least one set of pass group 132 makes to can control pin (EN_Q1 that EC includes in such as Fig. 3, EN_Q2), to set using electronics with this
EC in standby realizes that the first power supply circuit 12 when being powered between at least one interface, the dynamic the second power supply circuit 13 are cut
Change function.Certainly, in the application other embodiments, institute can also be realized using the form of additional setting independent control chip
The function of controller 133 is stated, the present embodiment is not limited thereto.
It, specifically, can base when being powered using the charger management chip 131 in the second power supply circuit 13 to interface
In the voltage conversion function of charger management chip 131, the respective counts for being provided supplying cell 11 by charger management chip 131
Threshold voltage is converted to the supply voltage of numerical value needed for interface, and then is supplied to interface, realizes and powers to interface.It is with notebook
Example, in general, 6.5~8.8V direct current that Notebook Battery provides need to be converted to 5V direct current by charger management chip 131
Electricity, and then the supply voltage of 5V is provided to interface.
The present embodiment in the second power supply circuit by being arranged the controller and at least one described enabled switching group
Including the first enabled switch, the second enabled switch, may make that from the first power supply circuit, the second power supply circuit be automatically interface
Selection or switching at runtime meet the power supply circuit of control logic, by using the charger management chip in the second power supply circuit to
Interface power supply, can effectively share the load of power management chip in the first power supply circuit, reduce its power management pressure, and then drop
The low requirement to power management chip and its included inductance.
In the next embodiment three of the application, as shown in figure 4, the power supply unit can also be filled including at least one
Circuit 14, the corresponding charging circuit of each interface；
Each charging circuit includes a charge switch 141, and the charge switch 141 is connected at least one described interface
In the corresponding interface and the charger management chip 131 between, the charge switch 141 is for interface corresponding to it
Connection when having adapter access, so that adapter is by the voltage conversion function of the charger management chip 131 to described
Supplying cell 11 charges.
The charge switch 141 can equally be but not limited to mos pipe.
As it was noted above, the charger management chip 131 can be used for for example above-mentioned confession of the internal battery to electronic equipment
Battery 11 carries out Charge Management, and the most basic function of charger management chip is belonged in the function quintessence.Specifically, when in institute
State at least one interface one of couple in adapter when charging to electronic equipment, the charger management chip can be based on
131 voltage conversion function is converted to the voltage for the respective value that adapter provides needed for the supplying cell of electronic equipment
Charging voltage, such as by taking notebook as an example, in general, the 20V that need to be provided adapter by the charger management chip 131 is straight
6.5~8.8V direct current needed for galvanic electricity is converted to supplying cell 11 is charged with realizing to supplying cell 11.
Wherein, if the system of electronic equipment has been turned on and runs when the supplying cell 11 to electronic equipment charges,
Then the charger management chip 131 can also while will convert resulting 6.5~8.8V direct current and be supplied to power management chip
121, so that power management chip 121 may make to be directly based upon external power supply and be powered to equipment.
Wherein, electronic equipment couple in adapter equipment is powered using external power supply and/or to device battery into
In the case where row charging, that is, using the Charge Management function of charger management chip 131, it is preferred that can not
The power supply management function of reusing charger management chip 131 is powered to interface, that is to say, that in such cases, can preferentially be led to
Power management chip 121 is crossed to be powered at least one described interface.
In such cases, illustratively, first condition of power supply can be set as：It need to meet any in the following conditions
One of：Either interface couple in adapter at least one described interface, alternatively, the total interface at least one described interface
It is not connected with having peripheral hardware access on the corresponding interface of second power supply circuit in non-couple in adapter and at least one described interface；
Matchingly, second condition of power supply can be set as：Total interface at least one described interface does not connect
Enter adapter, and has peripheral hardware access on the corresponding interface being connected at least one described interface with second power supply circuit.
Reference table 1, table 1 are to be shown based on above-mentioned the first set condition of power supply, the second condition of power supply for Fig. 3 or Fig. 4
Power supply unit circuit diagram out, exemplary one provided group are used for each switch (the first enabled switch Q1, the second enabled switch
Q2, charge switch Q3) carry out switch control control logic.
Table 1
Wherein, for the port B interface (i.e. Type-C B) in Fig. 3 or Fig. 4, since the interface has only accessed
One power supply circuit 12, thus, when in the case where the interface having peripheral hardware (non-adapter) access, default uses the first power supply circuit
12 power management chip 121 is powered.
Here, it should be noted that merely exemplary show at least one described interface of Fig. 3 and Fig. 4 is 2 interfaces
In the case of, a kind of possible circuit diagram of the power supply unit, in specific implementation, the quantity of the interface obviously be can be
More quantity, and be not limited to that one of interface is only accessed second power supply circuit 13 in specific implementation.
In the present embodiment, both it can pass through the charger management chip in the case where electronic equipment couple in adapter
Charge Management function charge to device battery, and can be filled in the case where meeting the second condition of power supply by described
The power supply management function of electric appliance managing chip is powered to interface, so as to effectively share electronic equipment power management chip it is negative
It carries, reduces its power management pressure, thereby reduce the requirement to power management chip and its included inductance.
It is a kind of method of supplying power to that the embodiment of the present application four provides on the basis of above-mentioned power supply unit with reference to Fig. 5, such as schemes
Shown in 5, the method for supplying power to includes the following steps：
Step 101, when meeting the first condition of power supply, through the power management chip at least one described interface
The corresponding interface power supply.
Wherein, first condition of power supply can be the condition according to set by actual service logic demand, this first
The setting purpose of condition of power supply is：Under the premise of can satisfy the power demands of interface, mitigate the power management chip
Load, and then reduce power management chip power management pressure.Therefore, can be set as can for first condition of power supply
Show that the load of power management chip is not up to the correlated condition of the upper limit, the interface quantity for being such as currently accessed peripheral hardware is not up to set
Amount threshold (as only a Type C interface accessed Type C peripheral hardware, load pressure is smaller, so as to directly pass through electricity
The power supply of source control chip) etc.；Or the interface with power demands has only accessed the first power supply circuit, does not access the of the application
Two power supply circuits etc. (in such cases, can only be powered, so as to be determined as that the interface meets the first confession using power management chip
Electric condition).First condition of power supply can voluntarily determine by technical staff when carrying out product design according to demand, the present embodiment
The content of first condition of power supply is not limited to.
Wherein, electronic equipment couple in adapter equipment is powered using external power supply and/or to device battery into
In the case where row charging, that is, using the Charge Management function of charger management chip, it is preferred that can be no longer
It is powered using the power supply management function of charger management chip to interface, that is to say, that in such cases, can preferentially pass through power supply
Managing chip is powered at least one described interface.
In such cases, illustratively, first condition of power supply can be set as：It need to meet any in the following conditions
One of：Either interface couple in adapter at least one described interface, alternatively, the total interface at least one described interface
It is not connected with having peripheral hardware access on the corresponding interface of second power supply circuit in non-couple in adapter and at least one described interface.
In consideration of it, in this step, it can be in the either interface couple in adapter at least one described interface, alternatively, described
The second power supply electricity is not connected in the non-couple in adapter of total interface and at least one described interface at least one interface
When having peripheral hardware access on the corresponding interface on road, by the power management chip in second power supply circuit to it is described at least one
The corresponding interface power supply in interface.
Step 102, when meeting the second condition of power supply, using charger management chip at least one described interface
The corresponding interface power supply.
Second condition of power supply equally can be the condition according to set by actual service logic demand, and it sets
Purpose is identical as the setting purpose of the first condition of power supply, is to mitigate institute under the premise of can satisfy the power demands of interface
The load of power management chip is stated, and then reduces the power management pressure of power management chip.To second condition of power supply
It can be the condition to match with first condition of power supply, such as can be and can show that the load of power management chip has reached
(interface quantity for being such as currently accessed peripheral hardware has reached the amount threshold of setting to the correlated condition of the upper limit, thus for quantity is exceeded
The charger management chip power supply of the second power supply circuit can be used in the interface of threshold value) etc..
Wherein, as a kind of possible implementation, with the above-mentioned Charge Management function using charger management chip
In the case where charging to device battery, do not use preferably set when the progress interface power supply of charger management chip
First condition of power supply matches, and can specifically be set as second condition of power supply：All at least one described interface connect
The non-couple in adapter of mouth, and have peripheral hardware on the corresponding interface being connected at least one described interface with second power supply circuit
Access.
In consideration of it, specifically can be in the non-couple in adapter of total interface at least one described interface in this step, and institute
It states when having peripheral hardware access on the corresponding interface being connected at least one interface with second power supply circuit, utilizes charger pipe
Manage the corresponding interface power supply of the chip at least one described interface.
Method of supplying power to provided in this embodiment, by utilizing the power supply management function of the charger management chip to interface
Power supply, has effectively shared the load of the power management chip of electronic equipment, has reduced its power management pressure, thereby reduces pair
The requirement of power management chip and its included inductance.
It is the structural schematic diagram of a kind of electronic equipment embodiment five provided by the present application, the electronic equipment can with reference to Fig. 6
To be the computer products such as notebook, as shown in fig. 6, the electronic equipment include at least one interface 61 and as above it is any
Power supply unit 62 described in embodiment.
At least one described interface 61 can include but is not limited to all types of interfaces for being used to access peripheral hardware of electronic equipment,
Such as accessing the Type C interface etc. of all types of Type C peripheral hardwares of Type C USB flash disk, Type C earphone.
As it was noted above, the power supply unit 62 includes supplying cell, the first power supply circuit with power management chip
And the second power supply circuit with charger management chip, wherein when meeting the first condition of power supply, using the first power supply
The corresponding interface power supply of the power management chip at least one interface of electronic equipment in circuit, is meeting the second confession
When electric condition, using the charger management chip in the second power supply circuit at least one interface of electronic equipment
The corresponding interface power supply.
It can be seen that (such as with the electronic equipment that is only capable of being powered interface using power management chip in the prior art
Notebook) it compares, the electronic equipment of the application has also expanded the second power supply circuit and using the charging in the second power supply circuit
Device managing chip is powered to interface, to share the load of power management chip, reduces its power management pressure, while
The requirement to power management chip and its included inductance can be reduced.
It should be noted that all the embodiments in this specification are described in a progressive manner, each embodiment weight
Point explanation is the difference from other embodiments, and the same or similar parts between the embodiments can be referred to each other.
For convenience of description, it describes to be divided into various modules when system above or device with function or unit describes respectively.
Certainly, the function of each unit can be realized in the same or multiple software and or hardware when implementing the application.
As seen through the above description of the embodiments, those skilled in the art can be understood that the application can
It realizes by means of software and necessary general hardware platform.Based on this understanding, the technical solution essence of the application
On in other words the part that contributes to existing technology can be embodied in the form of software products, the computer software product
It can store in storage medium, such as ROM/RAM, magnetic disk, CD, including some instructions are used so that a computer equipment
(can be personal computer, server or the network equipment etc.) executes the certain of each embodiment of the application or embodiment
Method described in part.
Finally, it is to be noted that, herein, such as first, second, third and fourth or the like relational terms
It is only used to distinguish one entity or operation from another entity or operation, without necessarily requiring or implying these
There are any actual relationship or orders between entity or operation.Moreover, the terms "include", "comprise" or its is any
Other variants are intended to non-exclusive inclusion, so that including the process, method, article or equipment of a series of elements
Include not only those elements, but also including other elements that are not explicitly listed, or further includes for this process, side
Method, article or the intrinsic element of equipment.In the absence of more restrictions, limited by sentence "including a ..."
Element, it is not excluded that there is also other identical elements in the process, method, article or apparatus that includes the element.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of power supply unit, which is characterized in that for powering at least one interface, the power supply unit includes：
Supplying cell；
First power supply circuit is connected between the interface and the supplying cell at least one described interface, including with it is described
The power management chip that supplying cell is connected, for when meeting the first condition of power supply, by the power management chip to
The corresponding interface power supply at least one described interface；
Second power supply circuit is connected between the interface and the supplying cell at least one described interface, including with it is described
The charger management chip that supplying cell is connected, for when meeting the second condition of power supply, by charger management chip to
The corresponding interface power supply at least one described interface.
2. power supply unit according to claim 1, which is characterized in that first power supply circuit further includes at least one confession
Electric switch；
The power management chip passes through each power switch at least one described power switch respectively with described at least one
Each interface in a interface is connected, for when meeting the first condition of power supply, by least one described power switch
The corresponding interface power supply of the respective switch in an ON state at least one described interface.
3. power supply unit according to claim 2, which is characterized in that second power supply circuit further includes：
At least one enabled switching group each includes the first enabled switch and the second enabled switch in enabled switching group；
Controller, any one or more switches being connected in the charger management chip and at least one described power switch
Between, and the controller passes through the corresponding enabled switching group and described at least one at least one described enabled switching group
A corresponding switch in a power switch is connected；The first enabled switch in a corresponding enabled switching group is connected to
Between corresponding charge switch and the power management chip, and it is connected with the controller；Described corresponding one enabled switch
The second enabled switch in group is connected between the corresponding charge switch and the charger management chip, and with the control
Device is connected；
The controller is used for when meeting the first condition of power supply, and the first enabled switch in enabled corresponding enabled switching group is in
On-state, the second enabled switch are in an off state so that using the power management chip to it is described at least one connect
The corresponding interface power supply in mouthful；And for when meeting the second condition of power supply, second in enabled corresponding enabled switching group to make
It can switch in an ON state, the first enabled switch is in an off state, so that just using the charger management chip
The corresponding interface power supply of the underway OTG function at least one described interface.
4. power supply unit according to claim 3, which is characterized in that further include：
At least one charging circuit, the corresponding charging circuit of each interface；
Each charging circuit includes a charge switch, and the charge switch is connected to accordingly connecing at least one described interface
Between mouth and the charger management chip, the charge switch connects when having adapter access on the interface corresponding to it
It is logical, so that adapter is charged by the voltage conversion function of the charger management chip to the supplying cell.
5. power supply unit according to claim 4, which is characterized in that on the either interface at least one described interface
When having adapter access, the charger management chip is also powered to the power management chip, so that the power management
Chip is based on adapter and powers to each interface.
6. power supply unit according to claim 5, it is characterised in that：
First condition of power supply includes：The one of any of the following conditions need to be met：Any at least one described interface connects
Mouth couple in adapter, alternatively, the non-couple in adapter of total interface and at least one described interface at least one described interface
In be not connected with having peripheral hardware access on the corresponding interface of second power supply circuit；
Second condition of power supply includes：The non-couple in adapter of total interface at least one described interface, and it is described at least
There is peripheral hardware access on the corresponding interface being connected in one interface with second power supply circuit.
7. according to the described in any item power supply units of claim 5 or 6, which is characterized in that the power switch, charge switch,
First enabled switch and the second enabled switch are that mos is managed.
8. a kind of method of supplying power to, which is characterized in that for being powered using power supply unit at least one interface；The power supply unit
Including：Supplying cell；First power supply circuit is connected between the interface and the supplying cell at least one described interface,
Including the power management chip being connected with the supplying cell；Second power supply circuit is connected at least one described interface
Interface and the supplying cell between, including the charger management chip being connected with the supplying cell；
The method of supplying power to includes：
When meeting the first condition of power supply, supplied by the corresponding interface of the power management chip at least one described interface
Electricity；
When meeting the second condition of power supply, pass through the corresponding interface of the charger management chip at least one described interface
Power supply.
9. according to the method described in claim 8, passing through the electricity it is characterized in that, described when meeting the first condition of power supply
The corresponding interface power supply of the source control chip at least one described interface, including：
Either interface couple in adapter at least one described interface, alternatively, all at least one described interface connect
It is not connected with having peripheral hardware to connect on the corresponding interface of second power supply circuit in the non-couple in adapter of mouth and at least one described interface
It is fashionable, it is powered by the corresponding interface of the power management chip at least one described interface；
Correspondingly, described when meeting the second condition of power supply, using charger management chip at least one described interface
The corresponding interface power supply, including：
The non-couple in adapter of total interface at least one described interface, and with described second at least one described interface
When having peripheral hardware access on the corresponding interface that power supply circuit is connected, using charger management chip at least one described interface
The corresponding interface power supply.
10. a kind of electronic equipment, which is characterized in that including：At least one interface and such as claim 1-7 are described in any item
Power supply unit.
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| CN201810717119.9A CN108879844B (en) | 2018-06-29 | 2018-06-29 | Power supply device, power supply method and electronic equipment |
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| CN201810717119.9A CN108879844B (en) | 2018-06-29 | 2018-06-29 | Power supply device, power supply method and electronic equipment |
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| CN108879844B (en) | 2021-05-18 |
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