CN106797414B - A kind of leakage current detection circuit and terminal of terminal - Google Patents
A kind of leakage current detection circuit and terminal of terminal Download PDFInfo
- Publication number
- CN106797414B CN106797414B CN201580055204.8A CN201580055204A CN106797414B CN 106797414 B CN106797414 B CN 106797414B CN 201580055204 A CN201580055204 A CN 201580055204A CN 106797414 B CN106797414 B CN 106797414B
- Authority
- CN
- China
- Prior art keywords
- terminal
- power
- supply device
- core system
- battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/24—Arrangements for testing
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A kind of leakage current detection circuit of terminal, the leakage current detection circuit of the terminal, including control chip (201), power-supply device (202) and detection device (203), wherein: control chip (201), for connecting power-supply device (202), connection between the battery (102) of the core system (101) and terminal of the core system (101) of the voltage output of power-supply device (202) input to terminal and controlling terminal is disconnected；Power-supply device (202), for being core system (101) power supply by control chip (201)；Detection device (203), for when controlling the connection between chip (201) control core system (101) and battery (102) and disconnecting, by controlling chip (201) be that core system (101) power and terminal is designated state by power-supply device (202), the output electric current of power-supply device (202) is detected, the output electric current detected is the leakage current of terminal under prescribed conditions.The leakage current detection circuit of the terminal just can be realized the detection of terminal leakage current without dismantling lower battery.
Description
Technical field
The present invention relates to electronic technology field, in particular to the leakage current detection circuit and terminal of a kind of terminal.
Background technique
Terminal leakage current be examine end product (such as mobile phone, tablet computer) whether a He Ge major criterion.Mesh
Preceding common end product structure is as shown in Figure 1, include core system 101, battery 102, USB (Universal Serial
Bus, universal serial bus) interface 103, charging chip 104, battery protecting circuit 105, in which:
Core system 101, terminal realize the core of various functions；
Battery 102, for providing working power for core system 101；
Usb 1 03, for connecting terminal charger；Terminal charger is inputted by the Vbus terminal of usb 1 03
Charging voltage；
Terminal charger is carried out electricity by the charging voltage that the Vbus terminal of usb 1 03 inputs by charging chip 104
Buckling exports after changing；
Battery protecting circuit 105, battery 102 pass through the feeder ear of battery protecting circuit 105 and core system 101, fill
The output end of electrical chip 104 is connected；Specifically, battery protecting circuit 105 mainly includes that charge switch, discharge switch and battery are protected
It protects IC (Integrated Circuit, integrated circuit), battery protection ic can control the on-off of charge switch and discharge switch
State, and then the charging and discharging state of battery 102 is controlled, battery 102 is protected.
In the prior art, the leakage current test of terminal can only the progress when terminal does not install battery.However, at present very
Multiple terminals is the non-removable structure design of battery, i.e., can not carry out the leakage current test of terminal.
Summary of the invention
The embodiment of the present invention provides the leakage current detection circuit and terminal of a kind of terminal, can be real when not dismantling battery
The detection of existing terminal leakage current.
In a first aspect, providing a kind of leakage current detection circuit of terminal, including control chip, power-supply device and detection are set
It is standby, in which:
The control chip, for connecting the power-supply device, voltage output that the power-supply device is inputted is to described
The core system of terminal, and the connection controlled between the core system of the terminal and the battery of the terminal disconnect；
The power-supply device, for being core system power supply by the control chip；
The detection device, for disconnected in the connection controlled described in chip controls between core system and the battery
It opens, be core system power supply by the control chip by the power-supply device and when the terminal is designated state, inspection
The output electric current for surveying the power-supply device, the output electric current detected are leakage of the terminal under the designated state
Electric current.
With reference to first aspect, in the first possible implementation, the power-supply device is specially programmable power supply.
With reference to first aspect or the first possible implementation of first aspect, second of possible realization side
In formula, the connection described in the control chip controls between the core system of terminal and the battery of the terminal is disconnected, specific logical
Cross following manner realization:
Charge switch and discharge switch in the battery protecting circuit of terminal described in the control chip controls, which are in, to be disconnected
State.
With reference to first aspect, second of possibility of the first possible implementation of first aspect or first aspect
Implementation, in the third possible implementation, the designated state be off-mode or standby mode.
Second aspect provides a kind of terminal, including control chip；Detecting the leakage current of the terminal under prescribed conditions
When, the control chip connects power-supply device, the voltage output that the control chip inputs the power-supply device to the end
The core system at end is powered for the core system, and the company between the control core system and the battery of the terminal
Connect disconnection；Wherein, the output electric current of the power-supply device is leakage current of the terminal under the designated state.
In conjunction with second aspect, in the first possible implementation, the control chip is especially by the terminal
The ID terminal of general-purpose serial bus USB interface connects power-supply device.
In conjunction with the possible implementation of the first of second aspect or second aspect, second of possible realization side
In formula, the power-supply device is specially programmable power supply.
In conjunction with second aspect, second of possibility of the possible implementation of the first of second aspect or second aspect
Implementation, in the third possible implementation, core system and the terminal described in the control chip controls
Connection between battery disconnects, and realizes especially by following manner:
Charge switch and discharge switch in the battery protecting circuit of terminal described in the control chip controls, which are in, to be disconnected
State.
In conjunction with second aspect, the possible implementation of the first of second aspect, the possible reality of second of second aspect
The third possible implementation of existing mode or second aspect, in the fourth possible implementation, the specified shape
State is off-mode or standby mode.
According to the leakage current detection circuit for the terminal that first aspect provides, the terminal that second aspect provides, setting control core
Connection between the core system and battery of piece controlling terminal disconnects, merely with power-supply device by controlling chip as core system
Power supply detects the output electric current of power-supply device when terminal is designated state, and the output electric current detected is terminal at this
Leakage current under designated state；It obviously, just can be real without dismantling lower battery using terminal provided in an embodiment of the present invention
The detection of existing leakage current.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, is implemented with the present invention
Example is used to explain the present invention together, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is terminal structure schematic diagram common at present；
Fig. 2 is the schematic diagram of the leakage current detection circuit for the terminal that the embodiment of the present invention 1 provides；
Fig. 3 is the structural schematic diagram for the terminal that the embodiment of the present invention 2 provides；
Fig. 4 is the detailed construction schematic diagram for the terminal that the embodiment of the present invention 2 provides；
Fig. 5 is the schematic diagram of the detection process of the shutdown leakage current for the terminal that the embodiment of the present invention 2 provides.
Specific embodiment
It is not necessarily to dismantle lower battery to provide, is just able to carry out the implementation of terminal leakage current test, the present invention is real
It applies example and provides the leakage current detection circuit and terminal of a kind of terminal, below in conjunction with Figure of description to preferred implementation of the invention
Example is illustrated, it should be understood that preferred embodiments described herein are only used to illustrate and explain the present invention, is not used to limit
The present invention.And in the absence of conflict, the features in the embodiments and the embodiments of the present application can be combined with each other.
Embodiment 1:
The embodiment of the present invention 1 provides a kind of leakage current detection circuit of terminal, as shown in Fig. 2, include control chip 201,
Power-supply device 202 and detection device 203, in which:
Chip 201 is controlled, for connecting power-supply device 202, the core of voltage output that power-supply device 202 is inputted to terminal
The connection felt concerned about between the core system 101 of system 101 and controlling terminal and the battery 102 of terminal disconnects；
Power-supply device 202, for being the power supply of core system 101 by control chip 201；
Detection device 203, disconnected for the connection between control 201 control core system 101 of chip and battery 102,
When by power-supply device 202 be the power supply of core system 101 by control chip 201 and terminal is designated state, power-supply device is detected
203 output electric current, the output electric current detected are the leakage current of terminal under prescribed conditions.
It is each that leakage current detection circuit provided in an embodiment of the present invention can be applied to mobile phone, tablet computer, music player etc.
Kind terminal.
Leakage current detection circuit i.e. provided in an embodiment of the present invention, between the core system 101 and battery 102 of terminal
Connection is the power supply of core system 101 merely with power-supply device 202 when it is disconnected, and the output electric current of power-supply device 202 is eventually
The leakage current of end under prescribed conditions just can be realized the detection of leakage current it is therefore not necessary to dismantle lower battery.
Above-mentioned designated state is specifically as follows off-mode, or standby mode.It is i.e. provided in an embodiment of the present invention
No matter terminal detects shutdown leakage current, or detection standby leakage current, without dismantling lower battery.
Connection between the core system 101 and battery 102 of terminal is merely with power-supply device 202 when it is disconnected
When core system 101 is powered, if power-supply device 202 is the power supply of core system 101 by the charging chip 104 of terminal, charge core
The voltage transformation process of piece 104 can consume certain power consumption, lead to not the leakage current for being accurately detected terminal, therefore, this hair
In the leakage current detection circuit that bright embodiment provides, power-supply device 202 is the power supply of core system 101, control by control chip 201
Coremaking piece 201 only carries out voltage forwarding, without voltage transformation, so as to guarantee the detection accuracy of leakage current.
Wherein, the connection between chip 201 and the core system 101 of terminal is controlled, it specifically can be real using various ways
It is existing.For example, control chip 201 can pass through USB interface, audio interface, SIM (Subscriber Identity Module, visitor
Family identification module) existing interfaces such as card slot, memory card slot connect core system 101；Interface can also be increased newly in terminal realize control
Connection between coremaking piece 201 and the core system 101 of terminal.
Further, the connection controlled between the core system 101 of 201 controlling terminal of chip and the battery 102 of terminal is disconnected
It opens, can be accomplished in several ways, which is not limited by the present invention.For example, in one particular embodiment of the present invention, control
Coremaking piece 201 can control charge switch in the battery protecting circuit 105 of terminal and discharge switch is in an off state, thus
Realize that the connection between core system 101 and battery 102 disconnects；In other specific embodiments of the invention, chip 201 is controlled
It the connection between control core system 101 and battery 102 can also disconnect otherwise.
When control chip 201 realizes core system 101 and battery 102 by the battery protecting circuit 105 of controlling terminal
Between connection when disconnecting, control the connection between chip 201 and battery protecting circuit 105, can also specifically use various ways
It realizes, herein no longer for example, can determine concrete implementation scheme according to practical application scene when actual implementation.
Preferably, above-mentioned power-supply device 202 is specifically as follows programmable power supply, safety, reliability are higher.
Further, above-mentioned detection device 203 is specifically as follows existing various current detecting instruments.
When leakage current detection circuit provided in an embodiment of the present invention is used to detect the shutdown leakage current of terminal, detection device
203, it disconnects, specifically for the connection between control 201 control core system 101 of chip and battery 102 by power-supply device 202
When by control chip 201 be the power supply of core system 101 and terminal is off-mode, the output electricity of power-supply device 203 is detected
Stream, the output electric current detected are the leakage current of terminal in the power-offstate.When leakage current provided in an embodiment of the present invention is examined
When slowdown monitoring circuit is used to detect the standby leakage current of terminal, detection device 203 is specifically used in control 201 control core system of chip
System 101 and battery 102 between connection disconnect, by power-supply device 202 by control chip 201 be core system 101 power and
When terminal is standby mode, the output electric current of power-supply device 203 is detected, the output electric current detected is terminal in standby mode
Under leakage current.
Embodiment 2:
Based on the same inventive concept, the embodiment of the present invention 2 provides a kind of terminal, as shown in figure 3, including control chip 300；
When detecting the leakage current of terminal under prescribed conditions, control chip 300 connects power-supply device, and control chip 300 sets power supply
The voltage output of standby input to terminal core system 101, for the power supply of core system 101 and control core system 101 and eventually
Connection between the battery 102 at end disconnects；Wherein, the output electric current of power-supply device is the electric leakage of terminal under prescribed conditions
Stream.
Terminal provided in an embodiment of the present invention is specifically as follows the various terminals such as mobile phone, tablet computer, music player.
Above-mentioned designated state is specifically as follows off-mode, or standby mode.It is i.e. provided in an embodiment of the present invention
No matter terminal detects shutdown leakage current, or detection standby leakage current, without dismantling lower battery, just can be realized detection.
Further, the connection between chip 300 and power-supply device is controlled, can be accomplished in several ways.For example, control
Coremaking piece 300 can connect power-supply device by the usb 1 03 of terminal；When usb 1 03 is specially mini USB interface
When, mini USB interface includes VBUS terminal, D+ terminal, D- terminal, GND terminal and ID terminal, wherein ID terminal usually only exists
It is just used in OTG (On-The-Go) function, therefore, control chip 300 can specifically be connected by the ID terminal of usb 1 03
Power-supply device；Control chip 300 can also be connect using other way with power-supply device, no longer be illustrated herein.When actual implementation,
Concrete implementation scheme can be determined according to practical application scene.
Preferably, above-mentioned power-supply device is specifically as follows programmable power supply, safety, reliability are higher.
Further, the connection controlled between 300 control core system 101 of chip and battery 102 disconnects, and can also pass through
Various ways realize which is not limited by the present invention.For example, in one particular embodiment of the present invention, control chip 300 can
With in the battery protecting circuit 105 of controlling terminal charge switch and discharge switch be in an off state, to realize core system
Connection between system 101 and battery 102 disconnects；In other specific embodiments of the invention, control chip 300 can also pass through
Connection between other way control core system 101 and battery 102 disconnects.
When actual implementation, when carrying out leakage current test, control chip 300 can first be connected by terminal usb 1 03
PC (Personal Computer, personal computer), from PC to control chip 300 under send instructions, trigger control chip 300 control
Connection between core system 101 processed and battery 102 disconnects.
With reference to the accompanying drawing, by taking the detection for the leakage current that shuts down as an example, to terminal provided in an embodiment of the present invention in shutdown shape
Leakage current test process under state is described.
In following specific embodiments, the battery protecting circuit 105 that terminal uses is specific as shown in figure 3, mainly including S-
82XX series battery protects IC, charge switch SW1 and discharge switch SW2, wherein the control terminal CTL of battery protection ic is charging
The control terminal of switch SW1 and discharge switch SW2, therefore control chip 300 and charge switch can control by control terminal CTL
The on off operating mode of SW1 and discharge switch SW2, and then the on off operating mode being connect between control core system 101 and battery 102.
The power-supply device of use is specially programmable power supply.
The shutdown leakage current test process of terminal is as shown in figure 5, specifically include:
Step 501, terminal connect PC, and to sending instructions under the control chip 300 of terminal, instruction control chip 300 controls PC
Connection between core system 101 and battery 102 disconnects.
After step 502, control chip 300 receive the instruction of PC transmission, between control core system 101 and battery 102
Connection disconnect.
Specifically, the default letter of control terminal CTL output of the control battery protection ic into battery protecting circuit 105 of chip 300
Number；The control terminal CTL of battery protection ic exports control signal control when inputting preset signals, through charge switch control terminal CO
Charge switch SW1 processed is disconnected, and is exported control signal by discharge switch control terminal DO and is controlled discharge switch SW2 disconnection, i.e., in fact
The connection showed between control core system 101 and battery 102 disconnects.
The connection of step 503, disconnected end and PC, control chip 300 are connected program-controlled by the ID terminal of usb 1 03
Power supply, by the voltage output of programmable power supply input to core system 101.
When actual implementation, it can realize that control chip 300 passes through the end ID of usb 1 03 by programmable power supply control panel
Son connection programmable power supply.
At this point, core system 101 is only powered by programmable power supply, programmable power supply can be according to the confession of core system 101
Electricity demanding exports relevant voltage.
Step 504, the output electric current that programmable power supply is detected using detection device, the electric current are the shutdown electric leakage of terminal
Stream.
The standby leakage current detection process of terminal provided in an embodiment of the present invention is similar with shutdown leakage current test process, In
This detailed description of no longer illustrating.
As it can be seen that using terminal provided in an embodiment of the present invention, the core system and electric power storage of setting control chip controls terminal
Connection between pond disconnects, and is core system power supply merely with power-supply device, the detection power-supply device when terminal is designated state
Electric current is exported, the output electric current detected is leakage current of the terminal under the designated state；Obviously, implemented using the present invention
The terminal that example provides just can be realized the detection of leakage current without dismantling lower battery, so can guarantee end product can
By property, and scheme is easily achieved, and cost is relatively low.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, those skilled in the art can carry out various modification and variations without departing from this hair to the embodiment of the present invention
The spirit and scope of bright embodiment.In this way, if these modifications and variations of the embodiment of the present invention belong to the claims in the present invention
And its within the scope of equivalent technologies, then the present invention is also intended to include these modifications and variations.
Claims (9)
1. a kind of leakage current detection circuit of terminal, which is characterized in that including controlling chip, power-supply device and detection device,
In:
The control chip is located in the terminal, for connecting the power-supply device, voltage that the power-supply device is inputted
It carries out voltage forwarding and exports to the core system and the terminal of the core system of the terminal, and the control terminal
Connection between battery disconnects；
The power-supply device, for being core system power supply by the control chip；
The detection device, for being disconnected in the connection controlled described in chip controls between core system and the battery,
When by the power-supply device be the core system power supply by the control chip and the terminal is designated state, detection
The output electric current of the power-supply device, the output electric current detected are electric leakage of the terminal under the designated state
Stream.
2. circuit as described in claim 1, which is characterized in that the power-supply device is specially programmable power supply.
3. circuit as claimed in claim 1 or 2, which is characterized in that the core system of terminal described in the control chip controls
Connection between the battery of the terminal disconnects, and realizes especially by following manner:
Charge switch and discharge switch in the battery protecting circuit of terminal described in the control chip controls are in an off state.
4. circuit as claimed in claim 1 or 2, which is characterized in that the designated state is off-mode or standby mode.
5. a kind of terminal, which is characterized in that including controlling chip；When detecting the leakage current of the terminal under prescribed conditions,
The control chip connects power-supply device, and the voltage progress voltage forwarding that the control chip inputs the power-supply device is simultaneously defeated
It out to the core system of the terminal, powers for the core system, and the storage of the control core system and the terminal
Connection between battery disconnects；Wherein, the output electric current of the power-supply device is leakage of the terminal under the designated state
Electric current.
6. terminal as claimed in claim 5, which is characterized in that the chip that controls is especially by the general serial of the terminal
The ID terminal of bus USB interface connects power-supply device.
7. such as terminal described in claim 5 or 6, which is characterized in that the power-supply device is specially programmable power supply.
8. such as terminal described in claim 5 or 6, which is characterized in that core system described in the control chip controls with it is described
Connection between the battery of terminal disconnects, and realizes especially by following manner:
Charge switch and discharge switch in the battery protecting circuit of terminal described in the control chip controls are in an off state.
9. such as terminal described in claim 5 or 6, which is characterized in that the designated state is off-mode or standby mode.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2015/074019 WO2016141572A1 (en) | 2015-03-11 | 2015-03-11 | Leakage current detection circuit of terminal, and terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106797414A CN106797414A (en) | 2017-05-31 |
| CN106797414B true CN106797414B (en) | 2019-11-26 |
Family
ID=56878699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580055204.8A Active CN106797414B (en) | 2015-03-11 | 2015-03-11 | A kind of leakage current detection circuit and terminal of terminal |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106797414B (en) |
| WO (1) | WO2016141572A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220093977A1 (en) * | 2020-09-18 | 2022-03-24 | Quanta Computer Inc. | Smart battery device and operating method thereof |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018118985A1 (en) | 2016-12-19 | 2018-06-28 | Ventana Medical Systems, Inc. | Passive, gravity-driven system for treatment of an effluent in a diagnostic system |
| CN111722122B (en) * | 2020-06-01 | 2023-01-03 | Oppo广东移动通信有限公司 | Detection method, detection device, electronic equipment and computer-readable storage medium |
| CN114325317A (en) * | 2021-12-27 | 2022-04-12 | 深圳市敦实电子有限公司 | Method and device for testing PCBA shutdown current of TWS earphone |
| CN117706174A (en) * | 2023-06-30 | 2024-03-15 | 荣耀终端有限公司 | Standby current testing method and electronic equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2541715A1 (en) * | 2011-05-20 | 2013-01-02 | Eneraiser Technology Co., Ltd. | Dc power supply insulation fault detection circuit |
| CN102883012A (en) * | 2012-10-15 | 2013-01-16 | 东莞华贝电子科技有限公司 | Test system and test method of mobile terminal current |
| CN103728547A (en) * | 2012-10-12 | 2014-04-16 | 技嘉科技股份有限公司 | Testing system used for testing circuit board and leakage current testing method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101399864B (en) * | 2007-09-29 | 2011-09-21 | 中兴通讯股份有限公司 | Test system and method for standby current of mobile terminal |
| CN102246049B (en) * | 2011-05-26 | 2013-08-14 | 华为终端有限公司 | Mobile terminal and load power measuring method thereof |
| CN202435459U (en) * | 2011-12-26 | 2012-09-12 | 惠州Tcl移动通信有限公司 | Test system for mobile phones |
| CN103369084A (en) * | 2012-04-06 | 2013-10-23 | 联芯科技有限公司 | Automatic test system and method of mobile phone |
-
2015
- 2015-03-11 WO PCT/CN2015/074019 patent/WO2016141572A1/en active Application Filing
- 2015-03-11 CN CN201580055204.8A patent/CN106797414B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2541715A1 (en) * | 2011-05-20 | 2013-01-02 | Eneraiser Technology Co., Ltd. | Dc power supply insulation fault detection circuit |
| CN103728547A (en) * | 2012-10-12 | 2014-04-16 | 技嘉科技股份有限公司 | Testing system used for testing circuit board and leakage current testing method |
| CN102883012A (en) * | 2012-10-15 | 2013-01-16 | 东莞华贝电子科技有限公司 | Test system and test method of mobile terminal current |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220093977A1 (en) * | 2020-09-18 | 2022-03-24 | Quanta Computer Inc. | Smart battery device and operating method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016141572A1 (en) | 2016-09-15 |
| CN106797414A (en) | 2017-05-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3093945B1 (en) | Electronic device, charger within the electronic device, and detecting method for detecting abnormal status of connector of electronic device | |
| CN106797414B (en) | A kind of leakage current detection circuit and terminal of terminal | |
| CN106291210B (en) | USB interface detector, USB interface detection method, USB connector and electronic equipment | |
| US10658860B2 (en) | Electronic device, charger within the electronic device, and detecting method for detecting abnormal status of connector of electronic device | |
| KR101374638B1 (en) | Mobile device auto detection apparatus and method | |
| EP3086433A1 (en) | Charging method, alternating current adaptor, charging management device and terminal | |
| CN101102119B (en) | A charging detection circuit of appliance device and charging detection method | |
| CN105518967B (en) | Apparatus and method for changing current limit | |
| US20140354047A1 (en) | Battery Assisted Power | |
| US9030152B2 (en) | Charging system and charging method | |
| CN101861574A (en) | Power connection between serial interfaces | |
| CN104239240A (en) | Electronic device with universal serial bus (USB) interface with integration function | |
| CN107707000B (en) | OTG power supply and wireless charging compatible circuit, related method and terminal equipment | |
| CN105162213A (en) | USB controller, and device | |
| CN104578301A (en) | Intelligent wearable device | |
| CN105071484A (en) | Charging method and apparatus of terminal having data exchange function | |
| CN113949167A (en) | Charging device and electronic equipment | |
| CN104066028A (en) | Communication method based on headset jack and terminal device | |
| CN106164686B (en) | A kind of leakage current test system of terminal | |
| CN104426194A (en) | Charging method and charging equipment | |
| CN105048018A (en) | Charging method and device for terminal having on-the-go (OTG) function | |
| CN102629772A (en) | Mobile terminal and charging method of mobile terminal | |
| CN105491185B (en) | Mancarried electronic aid | |
| CN103425220B (en) | A kind of Power control module, device and equipment | |
| CN103036276B (en) | Charger, terminal, controller, system and charger recognition method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |