CN105490319A - Information processing method and electronic equipment - Google Patents
Information processing method and electronic equipment Download PDFInfo
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- CN105490319A CN105490319A CN201410484281.2A CN201410484281A CN105490319A CN 105490319 A CN105490319 A CN 105490319A CN 201410484281 A CN201410484281 A CN 201410484281A CN 105490319 A CN105490319 A CN 105490319A
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Abstract
The invention provides an information processing method and electronic equipment. The information processing method is applied to the electronic equipment, wherein the electronic equipment is provided with a battery and a USB interface; the battery at least comprises a first power supply group and a second power supply group; and the information processing method comprises the steps of detecting whether the USB interface is connected with charging equipment or not; and if so, controlling the second power supply group to be switched from an off state into an on state.
Description
Technical field
The present invention relates to electronic technology field, particularly relate to a kind of information processing method and electronic equipment.
Background technology
Along with the development of electronic technology, increasing electronic equipment appear at people work and life in, such as: notebook computer, panel computer, smart mobile phone etc.Because electric energy is the necessary condition ensureing electronic equipment running, so electronic equipment has battery and AC power source adapter usually, when AC power source adapter connects alternating current, electronic equipment is powered by adapter, when AC power source adapter does not connect alternating current, electronic equipment is battery-powered.
When electronic equipment is battery-powered, in order to (English: UniversalSerialBus by USB; Chinese: USB) interface charges to charging device, and electronic equipment needs to open a group of the battery power supply for charging to charging device, then the electric energy in this group power supply is filled with charging device.
The technical problem existed in prior art is: electronic equipment is under sleep operation mode or under shutdown mode, and the power consumption of charging for the charging device in USB interface is larger.
Summary of the invention
The embodiment of the present invention provides a kind of information processing method and electronic equipment, to solve in prior art electronic equipment under sleep operation mode or under shutdown mode, for the technical problem that the power consumption of the charging device charging in USB interface is larger, reducing electronic equipment under sleep operation mode or under shutdown mode, is the power consumption of the charging device charging in USB interface.
First aspect, embodiments provides a kind of information processing method, is applied in electronic equipment, and described electronic equipment has battery and USB interface, and described battery at least comprises first group of power supply and second group of power supply, and described method comprises:
Detect in described USB interface and whether be connected with charging device;
When described USB interface is connected with described charging device, controls described second group of power supply and switch to open mode by described closed condition.
Optionally, before whether the described USB interface of detecting is connected with charging device, described method also comprises:
Whether detect described electronic equipment by described first group of Power supply;
When described electronic equipment is by described first group of Power supply, controls described second group of power supply and be in closed condition.
Optionally, detect in described USB interface whether be connected with charging device, be specially:
Whether the present current value detected in described USB interface is greater than predetermined current threshold.
Optionally, detect in described USB interface whether be connected with charging device, be specially:
Whether the duration that the present current value detected in described USB interface is greater than predetermined current threshold is greater than the scheduled time.
Optionally, when described USB interface is connected with described charging device, controls described second group of power supply and switch to open mode by described closed condition, be specially:
When described USB interface is connected with described charging device, the embedded controller to described electronic equipment sends the first signal;
After described embedded controller receives described first signal, control described second group of power supply and switch to open mode by described closed condition.
Optionally, after the described second group of power supply of control switches to open mode by described closed condition, described method also comprises:
Whether the present current value detected in described USB interface is less than described predetermined current threshold;
When the present current value in described USB interface is less than described predetermined current threshold, the embedded controller to described electronic equipment sends secondary signal;
After described embedded controller receives described secondary signal, control described second group of power supply and switch to closed condition by described open mode.
On the other hand, embodiments provide a kind of electronic equipment, described electronic equipment has battery and USB interface, and described battery at least comprises first group of power supply and second group of power supply, and described electronic equipment also comprises:
USB charging chip, for detecting in described USB interface whether be connected with charging device;
Embedded controller, is connected with described USB charging chip, when described USB interface being connected with described charging device for detecting when described USB charging chip, controlling described second group of power supply and switching to open mode by described closed condition.
The one or more technical schemes provided in the embodiment of the present invention, at least have following technique effect or advantage:
In the embodiment of the present invention, when electronic equipment by first group of Power supply of the battery of self and second group of power supply of the battery of self is in closed condition time, whether the USB interface of detecting electronic equipment is connected with charging device, when USB interface being connected with charging device, controlling second group of power supply and switching to open mode by closed condition.Therefore, in the embodiment of the present invention, only detect USB interface is connected with charging device time, just open second group of power supply of the battery of electronic equipment, remain compared to existing technology that second group of power supply of battery is in the technical scheme of open mode, the technical scheme that the embodiment of the present invention provides reduces electronic equipment under sleep operation mode or under shutdown mode, is the power consumption of the charging device charging in USB interface, extends the service time of the battery of electronic equipment.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
The flow chart of a kind of information processing method that Fig. 1 provides for the embodiment of the present invention;
Another flow chart of a kind of information processing method that Fig. 2 provides for the embodiment of the present invention;
The module map of a kind of electronic equipment that Fig. 3 provides for the embodiment of the present invention.
Embodiment
Clearly understand for making the object, technical solutions and advantages of the present invention, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.When not conflicting, the embodiment in the present invention and the feature in embodiment can combination in any mutually.Can perform in the computer system of such as one group of computer executable instructions in the step shown in the flow chart of accompanying drawing.Further, although show logical order in flow charts, in some cases, can be different from the step shown or described by order execution herein.
The embodiment of the present invention provides a kind of information processing method and electronic equipment, to solve in prior art electronic equipment under sleep operation mode or under shutdown mode, for the technical problem that the power consumption of the charging device charging in USB interface is larger, reducing electronic equipment under sleep operation mode or under shutdown mode, is the power consumption of the charging device charging in USB interface.
Technical scheme in the embodiment of the present invention is for solving the problems of the technologies described above, a kind of information processing method is provided, be applied in electronic equipment, electronic equipment has battery and USB interface, battery at least comprises first group of power supply and second group of power supply, and method comprises: detect in described USB interface whether be connected with charging device; When described USB interface is connected with described charging device, controls described second group of power supply and switch to open mode by described closed condition.Therefore, in the embodiment of the present invention, only detect USB interface is connected with charging device time, just open second group of power supply of the battery of electronic equipment, remain compared to existing technology that second group of power supply of battery is in the technical scheme of open mode, the technical scheme that the embodiment of the present invention provides reduces electronic equipment under sleep operation mode or under shutdown mode, is the power consumption of the charging device charging in USB interface, extends the service time of the battery of electronic equipment.
In order to better understand technique scheme, below in conjunction with Figure of description and concrete execution mode, technique scheme is described in detail.The specific features being to be understood that in the present invention and embodiment is the detailed description to technical solution of the present invention, instead of limitation of the invention, and when not conflicting, the technical characteristic in the embodiment of the present invention and embodiment can combine mutually.
Term "and/or" herein, being only a kind of incidence relation describing affiliated partner, can there are three kinds of relations in expression, and such as, A and/or B, can represent: individualism A, exists A and B simultaneously, these three kinds of situations of individualism B.In addition, character "/" herein, general expression forward-backward correlation is to the relation liking a kind of "or".
The embodiment of the present invention provides a kind of information processing method, is applied in electronic equipment, and electronic equipment has battery and USB is (English: UniversalSerialBus; Chinese: USB) interface.Wherein, the effect of USB interface is: provide the interface that electronic equipment is connected with charging device.Battery at least comprises first group of power supply and second group of power supply, and the effect of first group of power supply is power electronic equipment, and the effect of second group of power supply is the charging device charging in USB interface.In specific implementation process, electronic equipment can be: notebook computer, panel computer etc., and charging device can be: smart mobile phone, panel computer etc.Only illustrate at this, those skilled in the art can select electronic equipment and charging device as required voluntarily.
Please refer to Fig. 1, the flow chart of a kind of information processing method that Fig. 1 provides for the embodiment of the present invention, described method comprises:
Step 1: detect in described USB interface whether be connected with charging device;
Step 2: when described USB interface is connected with described charging device, controls described second group of power supply and switches to open mode by described closed condition.
When AC power source adapter due to electronic equipment connects alternating current, electronic equipment is powered by adapter, now, if USB interface connects charging device, can be that charging device charges by adapter.Now do not need to use battery, more do not need the second group of power supply using battery.
And when AC power source adapter does not connect alternating current, electronic equipment is battery-powered, concrete, by first group of Power supply of battery, now, if USB interface connects charging device, needing by second of battery group of power supply is that charging device charges.So the information processing method that the embodiment of the present invention provides be applied to electronic equipment battery-powered when.
So also will following steps be performed before execution step 1:
Whether detect described electronic equipment by described first group of Power supply;
When described electronic equipment is by described first group of Power supply, controls described second group of power supply and be in closed condition.
Specifically, whether the electricity of the battery of detected electrons equipment reduces, if the electricity of battery reduces, then first group of Power supply of electronic equipment by battery is described, if the electricity of battery does not reduce, then illustrates that electronic equipment is powered by AC power source adapter.
In prior art, when electronic equipment is by first group of Power supply, whether the USB interface of no matter electronic equipment is connected with charging device, and all keep second group of power supply to be open mode, cause the power consumption of electronic equipment to increase, the service time of battery shortens.So, in the embodiment of the present application, when electronic equipment being detected by first group of Power supply, first controlling second group of power supply and being in closed condition, and then performing step 1, detect in USB interface whether be connected with charging device.
That is, only when electronic equipment by first group of Power supply and second group of power supply is in closed condition, just perform step 1, in the embodiment of the present invention, step 1 specifically has following two kinds of implementations:
The first implementation: whether the present current value detected in described USB interface is greater than predetermined current threshold.
The second implementation: whether the duration that the present current value detected in described USB interface is greater than predetermined current threshold is greater than the scheduled time.
Specifically, the USB interface of electronic equipment does not connect charging device usually, the current value in USB interface be fixing.When the USB interface of electronic equipment connects charging device, current value in USB interface can become large, is greater than predetermined current threshold, and predetermined current threshold can be set by electronic equipment or user, current value in USB interface is greater than predetermined current threshold, then confirm USB interface is connected with charging device.
In order to improve the accuracy of detecting, can also when detecting the current value in USB interface and being greater than predetermined current threshold, start the timer of electronic equipment, current value in record USB interface is greater than the duration of predetermined current threshold, then by the duration of record compared with the scheduled time, the scheduled time can be set by electronic equipment or user, only has the duration of record to be greater than the scheduled time, just confirms USB interface is connected with charging device.
Be notebook computer for electronic equipment, the battery of notebook computer is at least divided into two groups of power supplys: first group of power supply is :+5VLDO or+3VLDO, and second group of power supply is :+5VVR.+ 5VLDO or+3VLDO is used to notebook computer power supply itself, and the electronic equipment (such as: smart mobile phone, panel computer) that+5VVR is used to the needs charging that the USB interface of notebook computer connects is powered.Such as, embedded controller under normal circumstances: notebook computer, under sleep operation mode or under shutdown mode, is that notebook computer is powered by+5VLDO or+3VLDO, concrete, for notebook computer is (English: EmbeddedController; Be called for short: EC) power, and+5VVR is in closed condition.
The USB charging chip (USBchargeIC) of notebook computer has load detecting (loaddetection) function, and whether the USB interface can detecting notebook computer is connected with charging device.The USB interface of notebook computer does not connect charging device usually, and the current value in USB interface is 55mA to the maximum.If USB interface is connected with charging device, the current value that USB charging chip can detect in USB interface more than 55mA, then can confirm that USB charging chip detects in USB interface and is connected with charging device.
In order to improve the accuracy of detecting, can also when USB charging chip detects current value in USB interface more than 55mA, start the timer of notebook computer, current value in record USB interface is more than the duration of 55mA, then by the duration of record compared with the scheduled time, supposing that notebook computer or user set the scheduled time is 5 seconds, only have the current value in USB interface to be greater than 5 seconds more than the duration of 55mA, just confirm that USB charging chip detects in USB interface and be connected with charging device.
In execution of step 1, after whether detecting USB interface is connected with charging device, step 2 can be performed.
Specifically, when USB interface being connected with charging device, the second group of power supply controlling battery switches to open mode by closed condition.
In the embodiment of the present invention, step 2 is specially:
When described USB interface is connected with described charging device, the embedded controller to described electronic equipment sends the first signal; After described embedded controller receives described first signal, control described second group of power supply and switch to open mode by described closed condition.
Notebook computer for electronic equipment, when the current value in USB interface is greater than 5 seconds more than the current value on 55mA or USB interface more than the duration of 55mA, the GPIO that the embedded controller to notebook computer sends high level is (English: GeneralPurposeInputOutput; Chinese: universal input exports) signal, after flush bonding processor receives the GPIO signal of high level, controlling+5VVR and switch to open mode by closed condition, after+5VVR opens, can be just the electronic equipment charging needing charging by USB interface.
Please refer to Fig. 2, another flow chart of the information processing method that Fig. 2 provides for the embodiment of the present invention.Fig. 2 comprises step 1-2 and step 3-5.In the embodiment of the present invention, the described second group of power supply of the control in execution of step 2 can also perform step 3-5 after switching to open mode by described closed condition:
Step 3: whether the present current value detected in described USB interface is less than described predetermined current threshold;
Step 4: when the present current value in described USB interface is less than described predetermined current threshold, the embedded controller to described electronic equipment sends secondary signal;
Step 5: after described embedded controller receives described secondary signal, controls described second group of power supply and switches to closed condition by described open mode.
Specifically, open mode is switched to by closed condition at second group of power supply, second group of power supply if the battery of charging device is full of or charging device is pulled out from USB interface, then needs again to close second group of power supply after being charging device charging by USB interface.
Notebook computer for electronic equipment, after+5VVR opens, + 5VVR is in the process needing charging device to charge by USB interface, also need to utilize USB charging chip to detect current value in USB interface, when the current value that USB charging chip detects in USB interface is less than 55mA, show that the battery of charging device is filled or charging device is pulled out from USB interface, embedded controller to notebook computer sends low level GPIO signal, after flush bonding processor receives low level GPIO signal, control+5VVR and switch to closed condition by opening.
Adopt the method that the embodiment of the present invention provides, when being only connected with charging device in USB interface, just open+5VVR, so, the lower power consumption that notebook computer utilizes USB interface to charge for charging device is to below 5mW, and the power consumption that in prior art, notebook computer utilizes USB interface to charge for charging device is between 11mW to 20mW, obviously, the method that the embodiment of the present invention provides decreases the power consumption of notebook computer.
Suppose that the battery of notebook computer is 48Wh, in prior art, the power consumption of notebook computer is 20mW, then the use duration of battery is 2400h, and the method taking the embodiment of the present invention to provide, the service time of battery is 9600h, obviously, the method that the embodiment of the present invention provides extends the service time of notebook computer.
Based on same inventive concept, the embodiment of the present invention also provides a kind of electronic equipment, please refer to Fig. 3, the module map of a kind of electronic equipment that Fig. 3 provides for the embodiment of the present invention.Electronic equipment 20 has USB interface 22, and charging device 30 has interface 31, and charging device 30 is connected to the USB interface 22 of electronic equipment 20 by USB data line through interface 31.
Electronic equipment 20 also has battery 21, USB charging chip 23 and embedded controller 24.Wherein, USB interface 22 is connected with USB charging chip 23, and battery 21 is connected with USB charging chip 23, and USB charging chip 23 is connected with embedded controller, and battery 21 at least comprises first group of power supply 211 and second group of power supply 212.
Wherein, USB interface 22 for: the interface that electronic equipment 20 is connected with charging device 30 is provided.First group of power supply 211 for: for electronic equipment 20 is powered.Second group of power supply 212 for: for the charging device 30 in USB interface 22 charges.USB charging chip 23 for: detecting USB interface 22 on whether be connected with charging device 30.Embedded controller 24 for: when USB charging chip 23 detect USB interface 22 is connected with charging device 30 time, control second group of power supply 212 and switch to open mode by closed condition.
Optionally, described USB charging chip 23 specifically for:
Whether detect described electronic equipment by described first group of Power supply; When described electronic equipment is by described first group of Power supply, controls described second group of power supply and be in closed condition.
Optionally, described USB charging chip 23 specifically for:
Whether the present current value detected in described USB interface is greater than predetermined current threshold.
Optionally, described USB charging chip 23 specifically for:
Whether the duration that the present current value detected in described USB interface is greater than predetermined current threshold is greater than the scheduled time.
Optionally, described USB charging chip 23 specifically for:
When described USB interface is connected with described charging device, the embedded controller to described electronic equipment sends the first signal; Described embedded controller 24 for: after receiving described first signal, control described second group of power supply and switch to open mode by described closed condition.
Optionally, described USB charging chip 23 also for:
After second group of power supply described in described embedded controller controls switches to open mode by described closed condition, whether the present current value detected in described USB interface is less than described predetermined current threshold; When the described USB charging chip current value detected in described USB interface is less than described predetermined current threshold, described USB charging chip sends secondary signal to the embedded controller of described first electronic equipment; Described embedded controller 24 for: after receiving described secondary signal, control described second group of power supply and switch to closed condition by described open mode.
The one or more technical schemes provided in foregoing invention embodiment, at least have following technique effect or advantage:
In the embodiment of the present invention, when electronic equipment by first group of Power supply of the battery of self and second group of power supply of the battery of self is in closed condition time, whether the USB interface of detecting electronic equipment is connected with charging device, when USB interface being connected with charging device, controlling second group of power supply and switching to open mode by closed condition.Therefore, in the embodiment of the present invention, only detect USB interface is connected with charging device time, just open second group of power supply of the battery of electronic equipment, remain compared to existing technology that second group of power supply of battery is in the technical scheme of open mode, the technical scheme that the embodiment of the present invention provides reduces electronic equipment under sleep operation mode or under shutdown mode, is the power consumption of the charging device charging in USB interface, extends the service time of the battery of electronic equipment.
Those skilled in the art should understand, the embodiment of the application can be provided as method, system or computer program.Therefore, the application can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the application can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code.
The application describes with reference to according to the flow chart of the method for the embodiment of the present application, equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
Specifically, a kind of information processing method in the embodiment of the present application is applied in electronic equipment, described electronic equipment has battery and USB interface, described battery at least comprises first group of power supply and second group of power supply, computer program instructions corresponding to described method can be stored in CD, hard disk, on the storage mediums such as USB flash disk, when the computer program instructions corresponding with a kind of information processing method in storage medium is read by an electronic equipment or be performed, comprise the steps:
Detect in described USB interface and whether be connected with charging device;
When described USB interface is connected with described charging device, controls described second group of power supply and switch to open mode by described closed condition.
Optionally, other computer instruction is also stored in described storage medium, these computer instructions with step: detect in described USB interface whether be connected with charging device, being performed before corresponding computer instruction is performed, comprising the steps: when being performed
Whether detect described electronic equipment by described first group of Power supply;
When described electronic equipment is by described first group of Power supply, controls described second group of power supply and be in closed condition.
Optionally, that store in described storage medium and step: detect in described USB interface whether be connected with charging device, corresponding computer instruction, being specifically performed in process, specifically comprises the steps:
Whether the present current value detected in described USB interface is greater than predetermined current threshold.
Optionally, that store in described storage medium and step: detect in described USB interface whether be connected with charging device, corresponding computer instruction, being specifically performed in process, specifically comprises the steps:
Whether the duration that the present current value detected in described USB interface is greater than predetermined current threshold is greater than the scheduled time.
Optionally, that store in described storage medium and step: when described USB interface is connected with described charging device, control described second group of power supply and switch to open mode by described closed condition, corresponding computer instruction, being specifically performed in process, specifically comprises the steps:
When described USB interface is connected with described charging device, the embedded controller to described electronic equipment sends the first signal;
After described embedded controller receives described first signal, control described second group of power supply and switch to open mode by described closed condition.
Optionally, other computer instruction is also stored in described storage medium, these computer instructions with step: control described second group of power supply and switch to open mode by described closed condition, being performed after corresponding computer instruction is performed, comprising the steps: when being performed
Whether the present current value detected in described USB interface is less than described predetermined current threshold;
When the present current value in described USB interface is less than described predetermined current threshold, the embedded controller to described electronic equipment sends secondary signal;
After described embedded controller receives described secondary signal, control described second group of power supply and switch to closed condition by described open mode.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. an information processing method, is applied in electronic equipment, and described electronic equipment has battery and USB interface, and described battery at least comprises first group of power supply and second group of power supply, and described method comprises:
Detect in described USB interface and whether be connected with charging device;
When described USB interface is connected with described charging device, controls described second group of power supply and switch to open mode by described closed condition.
2. the method for claim 1, is characterized in that, before whether the described USB interface of detecting is connected with charging device, described method also comprises:
Whether detect described electronic equipment by described first group of Power supply;
When described electronic equipment is by described first group of Power supply, controls described second group of power supply and be in closed condition.
3. the method for claim 1, is characterized in that, detects in described USB interface whether be connected with charging device, is specially:
Whether the present current value detected in described USB interface is greater than predetermined current threshold.
4. the method for claim 1, is characterized in that, detects in described USB interface whether be connected with charging device, is specially:
Whether the duration that the present current value detected in described USB interface is greater than predetermined current threshold is greater than the scheduled time.
5. the method as described in claim 3 or 4, is characterized in that, when described USB interface is connected with described charging device, controls described second group of power supply and switches to open mode by described closed condition, be specially:
When described USB interface is connected with described charging device, the embedded controller to described electronic equipment sends the first signal;
After described embedded controller receives described first signal, control described second group of power supply and switch to open mode by described closed condition.
6. method as claimed in claim 5, is characterized in that, after the described second group of power supply of control switches to open mode by described closed condition, described method also comprises:
Whether the present current value detected in described USB interface is less than described predetermined current threshold;
When the present current value in described USB interface is less than described predetermined current threshold, the embedded controller to described electronic equipment sends secondary signal;
After described embedded controller receives described secondary signal, control described second group of power supply and switch to closed condition by described open mode.
7. an electronic equipment, described electronic equipment has battery and USB interface, and described battery at least comprises first group of power supply and second group of power supply, and it is characterized in that, described electronic equipment also comprises:
USB charging chip, is connected with described USB interface and described battery, and described USB charging chip is for detecting in described USB interface whether be connected with charging device;
Embedded controller, is connected with described USB charging chip, when described USB interface being connected with described charging device for detecting when described USB charging chip, controlling described second group of power supply and switching to open mode by described closed condition.
8. electronic equipment as claimed in claim 7, it is characterized in that, described USB charging chip is connected with described USB interface, whether be greater than predetermined current threshold for the present current value detected in described USB interface, or whether be greater than the scheduled time for the duration that the present current value detected in described USB interface is greater than predetermined current threshold.
9. electronic equipment as claimed in claim 8, it is characterized in that, described USB charging chip specifically for: when the present current value in described USB interface is greater than described predetermined current threshold or is greater than the described scheduled time when the duration that the present current value in described USB interface is greater than predetermined current threshold, send the first signal to described embedded controller; Described embedded controller is used for: after receiving described first signal, controls described second group of power supply and switches to open mode by described closed condition.
10. electronic equipment as claimed in claim 9, is characterized in that, described USB charging chip also for:
After second group of power supply described in described embedded controller controls switches to open mode by described closed condition, whether the present current value detected in described USB interface is less than described predetermined current threshold; When the described USB charging chip current value detected in described USB interface is less than described predetermined current threshold, described USB charging chip sends secondary signal to described embedded controller; Described embedded controller is used for: after receiving described secondary signal, controls described second group of power supply and switches to closed condition by described open mode.
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| CN107666174A (en) * | 2016-07-28 | 2018-02-06 | 大唐终端技术有限公司 | A kind of double cell control system and method |
| CN109710051A (en) * | 2018-12-27 | 2019-05-03 | 联想(北京)有限公司 | A kind of processing method and electronic equipment |
| CN116054309A (en) * | 2022-08-02 | 2023-05-02 | 荣耀终端有限公司 | Charging circuit, electronic device, charging system and reverse charging method |
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| CN105490319B (en) | 2018-11-09 |
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