CN106844238A - A kind of electric power management circuit, electronic equipment and control method of electronic device - Google Patents
A kind of electric power management circuit, electronic equipment and control method of electronic device Download PDFInfo
- Publication number
- CN106844238A CN106844238A CN201710042588.0A CN201710042588A CN106844238A CN 106844238 A CN106844238 A CN 106844238A CN 201710042588 A CN201710042588 A CN 201710042588A CN 106844238 A CN106844238 A CN 106844238A
- Authority
- CN
- China
- Prior art keywords
- interface detection
- detection chip
- circuit
- power management
- pin
- 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.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/10—Program control for peripheral devices
- G06F13/102—Program control for peripheral devices where the programme performs an interfacing function, e.g. device driver
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
Abstract
The embodiment of the invention discloses a kind of electric power management circuit, electronic equipment and control method, the circuit is applied to an electronic equipment, including power management chip, the interface detection chip for connecting TYPE_C interfaces and control circuit.Wherein, interface detection chip includes power detecting pin and enables pin, power detecting pin is electrically connected to power management chip, control circuit is electrically connected to enable pin, for the down interface detection chip when electronic equipment shuts down, and the interface detection chip is enabled after electronic equipment start.In the embodiment of the present invention, when electronic equipment shuts down, control circuit control interface detection chip is closed.Therefore, if being now not connected with the TYPE_C cables insertion interface detection chip of power-supply device, power management chip start will not be also triggered, so as to solve the problems, such as that the TYPE_C cables that not connected power-supply device is inserted during shutdown cause electronic equipment to open by mistake machine.
Description
Technical field
Set the present invention relates to technical field of power management, more particularly to a kind of electric power management circuit, electronic equipment and electronics
Standby control method.
Background technology
With the development of technology, TYPE_C interfaces have turned into the standard configuration of high-end electronic devices.Correspondingly, the electronic equipment
Electric power management circuit generally comprises power management chip and the interface detection chip for connecting TYPE_C interfaces.Work as electronic equipment
After due to power drain automatic shutdown, if the TYPE_C interfaces are connected to powered source device by TYPE_C cables, for example, charge
When device or computer, the power management chip detects power input then can control electronics start.But, if the TYPE_C
When cable and not connected power-supply device, it is also possible to trigger power management chip, cause electronic equipment to open by mistake machine.
The content of the invention
The embodiment of the present invention provides a kind of electric power management circuit, electronic equipment and control method of electronic device, to solve not
Electronic equipment is caused to open by mistake the problem of machine during the TYPE_C cables insertion interface detection chip for connecting power-supply device.
A kind of electric power management circuit is the embodiment of the invention provides, an electronic equipment is applied to, including power management chip,
Interface detection chip and control circuit for connecting TYPE_C interfaces.Wherein, interface detection chip includes power detecting pin
And pin is enabled, power detecting pin is electrically connected to power management chip, and control circuit is electrically connected to enable pin, uses
In the down interface detection chip when electronic equipment shuts down, and the interface detection chip is enabled after electronic equipment start.
The embodiment of the present invention additionally provides a kind of electronic equipment, including electric power management circuit.Wherein, the electric power management circuit
As described above.
The embodiment of the present invention additionally provides a kind of electronic equipment control method, including：
When electronic equipment is in off-mode, the shutdown signal for receiving control circuit transmission detects core with down interface
Piece, the interface detection chip is electrically connected to TYPE_C interfaces, and the TYPE_C interfaces are electrically connected to power management chip；
The insertion of TYPE_C equipment is received to keep interface detection chip to be closed or enable interface detection chip.
In the embodiment of the present invention, when electronic equipment shuts down, control circuit control interface detection chip is closed.
Therefore, if being now not connected with the TYPE_C cables insertion interface detection chip of power-supply device, power management chip will not also be triggered
Start, so as to solve the problems, such as that the TYPE_C cables that not connected power-supply device is inserted during shutdown cause electronic equipment to open by mistake machine.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, embodiment will be described below needed for be used
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are some embodiments of the present invention, general for this area
For logical technical staff, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structured flowchart of the electric power management circuit that first embodiment of the invention is provided；
Fig. 2 is the circuit diagram of Fig. 1；
Fig. 3 is to cause to open by mistake the circuit theory diagrams of machine；
Fig. 4 is the schematic flow diagram of the control method of electronic device that first embodiment of the invention is provided.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is a part of embodiment of the invention, rather than whole embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
It should be appreciated that when using in this specification and in the appended claims, term " including " and "comprising" instruction
The presence of described feature, entirety, step, operation, element and/or component, but it is not precluded from one or more of the other feature, whole
The presence or addition of body, step, operation, element, component and/or its set.
It is also understood that the term used in this description of the invention is merely for the sake of the mesh for describing specific embodiment
And be not intended to limit the present invention.As used in description of the invention and appended claims, unless on
Other situations are hereafter clearly indicated, otherwise " one " of singulative, " one " and " being somebody's turn to do " is intended to include plural form.
It will be further appreciated that, the term "and/or" used in description of the invention and appended claims is
Refer to any combinations of one or more in the associated item listed and be possible to combination, and including these combinations.
As in this specification and in the appended claims as use, term " if " can be according to context quilt
Be construed to " when ... " or " once " or " in response to determining " or " in response to detecting ".Similarly, phrase " if it is determined that " or
" if detecting [described condition or event] " can be interpreted to mean according to context " once it is determined that " or " in response to true
It is fixed " or " once detecting [described condition or event] " or " in response to detecting [described condition or event] ".
In implementing, the terminal described in the embodiment of the present invention including but not limited to such as has touch sensitive surface
Other of the mobile phone of (for example, touch-screen display and/or touch pad), laptop computer or tablet PC etc are just
Portable device.It is to be further understood that in certain embodiments, the equipment not portable communication device, but with touching
Touch the desktop computer of sensing surface (for example, touch-screen display and/or touch pad).
In discussion below, describe to include the terminal of display and touch sensitive surface.It is, however, to be understood that
It is that terminal can include one or more of the other physical user-interface device of such as physical keyboard, mouse and/or control-rod.
Fig. 1 is refer to, is that first embodiment of the invention provides a kind of structured flowchart of electric power management circuit.The power management
Circuit is applied to the electronic equipments such as mobile terminal.As illustrated, the electric power management circuit may include：
Filter circuit 10, for connecting power supply；Wherein, the power supply is used to provide electric power for electric power management circuit；
Power management chip 11；
Interface detection chip 12, for connecting TYPE_C interfaces, including power detecting pin and enable pin, and the electricity
Source detection pin is electrically connected to power management chip 11；
Control circuit 13, is electrically connected to enable pin, for the down interface detection chip 12 when electronic equipment shuts down,
And enable interface detection chip 12 after electronic equipment start.
Further, control circuit 13 includes central processing unit 131 and isolation circuit 132.The isolation circuit 132 electrically connects
It is connected to central processing unit 131 and enables pin, for is overturn to the level signal that central processing unit 131 is exported.Specifically,
When electronic equipment shuts down, central processing unit 131 sends the first level signal to isolation circuit 132, and the isolation circuit 132 is by the
One level signal is converted to second electrical level signal, and exports the enable pin to interface detection chip 12 with down interface detection core
Piece 12.
Further, Fig. 2 is refer to, interface detection chip 12 includes pin 1, pin 2, pin 4, pin 10, pin 11
And pin 12.Wherein, pin 1 and pin 2 are respectively the first collocation channel pin CC1 and the second collocation channel pin CC2, are used for
Connection TYPE_C interfaces 14, TYPE_C equipment passes through the access interface detection chip 12 of TYPE_C interfaces 14；Pin 4 is examined for power supply
Pin VBUSDET is surveyed, is serially connected with for being electrically connected between power management chip 11, and pin 4 and power management chip 11
One resistance R1；Pin 10 is grounding pin GND；Pin 11 for enable pin ENB, for be electrically connected to control circuit 13 every
From circuit 132；Pin 12 is power input pin VDD, for being electrically connected to filter circuit 10.
Specifically, as shown in Fig. 2 filter circuit 10 includes the first electric capacity C1 and the second electric capacity C2, the first electric capacity C1 and the
Two electric capacity C2 are in parallel, and one end after parallel connection is connected as whole electric power management circuit and provides the power supply VPH_PWR of electric power and connect
The power input pin VDD (i.e. pin 12) of mouth detection chip 12, the other end after parallel connection is then grounded.
Isolation circuit 132 includes first resistor R2, second resistance R3,3rd resistor R4 and switching tube Q1, first resistor R2
One end be electrically connected with a power supply VPH_PWR, the other end pass sequentially through second resistance R3 and 3rd resistor R4 ground connection；First resistor
Node A between R2 and second resistance R3 is electrically connected with switching tube Q1 and enables pin ENB (i.e. pin 11), second resistance R3 with
Node B between 3rd resistor R4 is electrically connected to central processing unit 131 and switching tube Q1.Wherein, in the present embodiment, open
It is N-type FET to close pipe Q1, and its grounded drain, grid is electrically connected with the node B between second resistance R3 and 3rd resistor R4,
Source electrode is electrically connected with the node A between first resistor R2, second resistance R3 and enable pin ENB (i.e. pin 11).
Below, Fig. 3 and Fig. 2 is refer to preferably to illustrate operation principle of the invention：
As shown in figure 3, central processing unit 231 sends low level signal, and the enable pin for passing through interface detection chip 22
(i.e. pin 11) is delivered to interface detection chip 22, to enable the interface detection chip 22.When electronic equipment because power drain from
After dynamic shutdown, if the equipment that TYPE_C interfaces 24 are connected to non-charged by TYPE_C cables (is inserted by TYPE_C interfaces
Enter pure TYPE_C cables), because pure TYPE_C cable inners have a resistance R5 of acquiescence 5.1K, (resistance is standard
TYPE_C agreements regulation), resistance R5 is divided power supply VPH_PWR the internal resistance R6 with interface detection chip 22
Pressure.Wherein, one end of internal resistance R6 connects power input pin VDD (i.e. pin 12), and other end connection power detecting draws
Pin VBUSDET (i.e. pin 4) and the first collocation channel pin CC1 (i.e. pin 1).Now, detect resistance R5 and resistance R6 it
Between voltage be 0.9V or so.The voltage of the 0.9V or so will be instead filled to electricity by power detecting pin VBUSDET (i.e. pin 4)
Source control chip 21, and due to the brownout of the triggering electronic equipment start of power management chip 21, therefore, the electricity of 0.9V or so
Pressure just triggering start, so as to result in the machine of opening by mistake.
Based on this, the embodiment of the invention provides control circuit 13 as shown in Figure 2, it include central processing unit 131 and
Isolation circuit 132.Central processing unit 131 exports the first level signal (i.e. low level signal) from node B to isolation circuit 132,
First level signal is by that will be converted into second electrical level signal (i.e. high level signal) after isolation circuit 132, i.e. low electricity
Ordinary mail number ends Q1, and the current potential for now enabling pin ENB is high level, so that down interface detection chip 12.This kind of situation
Under, after electronic equipment shuts down, if inserting pure TYPE_C cables by TYPE_C interfaces 14, due to interface detection chip 12 by
Close, so foregoing, anti-filling to the voltage of the 0.9V of power management chip 11 or so will not be produced, therefore solve mistake
The problem of start.And when the TYPE_C cables of insertion are connected with charging equipment, now charging equipment output normal voltage, for example
5V, 12V etc., to power management chip 11 so that the control terminal normal boot-strap of power management chip 11.In terminal normal boot-strap
Afterwards, central processing unit 131 then exports second electrical level signal (i.e. high level signal) to isolation circuit 132, isolation circuit 132 by its
Be converted to the first level signal (i.e. low level signal), i.e. the high level signal of the output of central processing unit 131 turns on Q1, this
When enable pin ENB by Q1 be grounded, so as to enable interface detection chip 12.
Correspondingly, the embodiment of the present invention additionally provides a kind of electronic equipment.The electronic equipment includes electric power management circuit.Tool
Body ground, the internal structure and corresponding function of the electric power management circuit refer to the foregoing description to Fig. 1 and Fig. 2, no longer go to live in the household of one's in-laws on getting married herein
State.
In the embodiment of the present invention, when electronic equipment shuts down, the control circuit control interface detection core of electric power management circuit
Piece is closed.Therefore, if being now not connected with the TYPE_C cables insertion interface detection chip of power-supply device, will not also touch
Energy source managing chip is started shooting, and the TYPE_C cables for inserting not connected power-supply device during shutdown so as to solve cause electronic equipment
Open by mistake the problem of machine.
Fig. 4 is refer to, is the schematic flow diagram that first embodiment of the invention provides a kind of electronic equipment control method, such as schemed
Shown, the method can include：
S101, when electronic equipment is in off-mode, isolation circuit receives the first level letter that central processing unit sends
Number；
First level signal is converted to second electrical level signal by S102, isolation circuit, and the second electrical level signal is believed to close
Number；
S103, isolation circuit exports shutdown signal to the enable pin of interface detection chip, and interface detection chip is electrical
TYPE_C interfaces are connected to, TYPE_C interfaces are electrically connected to power management chip；
S104, receives the shutdown signal of isolation circuit transmission with down interface detection chip；Wherein, central processing unit and every
Control circuit is constituted from circuit；
S105, receives the insertion of TYPE_C equipment and is detected with keeping interface detection chip to be closed or enable interface
Chip.Specifically, when the TYPE_C cables for receiving not connected power-supply device are inserted, keep interface detection chip to be in and close shape
State, power management chip will not detect power input, will not trigger electronic equipment start, be set so as to solve not connected power supply
The problem of machine is opened by mistake caused by standby TYPE_C cables insertion interface detection chip；(for example charged when connection power-supply device is received
Device or computer) TYPE_C cables when inserting, now power management chip can detect power input, and triggering electronic equipment is opened
Machine, while central processing unit enables interface detection chip.
It should be noted that because the circuit part and specific workflow involved by detection method in the present embodiment exist
Above describe in detail, therefore will not be repeated here.
The embodiment of the present invention, when electronic equipment be in off-mode when, first receive control circuit send shutdown signal with
Down interface detection chip, then the insertion of TYPE_C equipment is received to keep interface detection chip to be closed or enable to connect
Mouth detection chip.The type that the embodiment of the present invention considers the TYPE_C equipment of insertion when start is triggered keeps the interface to detect
The closed mode of chip enables the interface detection chip, such that it is able to control whether, to power management chip input voltage, to enter
And control electronics are remained turned off or normal boot-strap, the TYPE_C cables insertion interface detection core of not connected power-supply device is solved
The problem of machine is opened by mistake caused by piece.
Those of ordinary skill in the art are it is to be appreciated that the list of each example described with reference to the embodiments described herein
Unit and algorithm steps, can be realized, with electronic hardware, computer software or the combination of the two in order to clearly demonstrate hardware
With the interchangeability of software, the composition and step of each example are generally described according to function in the above description.This
A little functions are performed with hardware or software mode actually, depending on the application-specific and design constraint of technical scheme.Specially
Industry technical staff can realize described function to each specific application using distinct methods, but this realization is not
It is considered as beyond the scope of this invention.
Additionally, in several embodiments provided herein, it should be understood that disclosed, terminal and method, can be with
Realize by another way.For example, device embodiment described above is only schematical, for example, the unit
Divide, only a kind of division of logic function there can be other dividing mode when actually realizing, for example multiple units or component
Can combine or be desirably integrated into another system, or some features can be ignored, or do not perform.In addition, shown or beg for
The coupling each other of opinion or direct-coupling or communication connection can be the INDIRECT COUPLINGs by some interfaces, device or unit
Or communication connection, or electricity, machinery or other forms connections.
The unit that is illustrated as separating component can be or may not be it is physically separate, it is aobvious as unit
The part for showing can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be according to the actual needs selected to realize embodiment of the present invention scheme
Purpose.
In addition, during each functional unit in each embodiment of the invention can be integrated in a processing unit, it is also possible to
It is that unit is individually physically present, or two or more units are integrated in a unit.It is above-mentioned integrated
Unit can both be realized in the form of hardware, it would however also be possible to employ the form of SFU software functional unit is realized.
Step in present invention method can according to actual needs carry out order adjustment, merge and delete.
Unit in embodiment of the present invention terminal can according to actual needs be merged, divides and deleted.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
Those familiar with the art the invention discloses technical scope in, various equivalent modifications can be readily occurred in or replaced
Change, these modifications or replacement should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with right
It is required that protection domain be defined.
Claims (9)
1. a kind of electric power management circuit, is applied to an electronic equipment, including power management chip and for connecting TYPE_C interfaces
Interface detection chip, the interface detection chip include power detecting pin and enable pin, the power detecting pin
It is electrically connected to the power management chip, it is characterised in that the electric power management circuit also includes control circuit, the control
Circuit is electrically connected to the enable pin, for closing the interface detection chip when the electronic equipment shuts down, and
The interface detection chip is enabled after the electronic equipment start.
2. electric power management circuit as claimed in claim 1, it is characterised in that the control circuit include central processing unit and every
From circuit, the isolation circuit is electrically connected to the central processing unit and the enable pin, and it is right that the isolation circuit is used for
The level signal of the central processing unit output is overturn, and when the electronic equipment shuts down, the central processing unit sends
First level signal is converted to second electrical level signal by the first level signal to the isolation circuit, the isolation circuit,
And export to the enable pin to close the interface detection chip.
3. electric power management circuit as claimed in claim 2, it is characterised in that the isolation circuit includes first resistor, second
Resistance, 3rd resistor and switching tube, one end of the first resistor are electrically connected with a power supply, and the other end passes sequentially through described second
Resistance and 3rd resistor are grounded；Node between the first resistor and the second resistance is electrically connected with the switching tube and institute
Enable pin is stated, the node between the second resistance and the 3rd resistor is electrically connected to the central processing unit and institute
State switching tube, one end ground connection of the switching tube.
4. electric power management circuit as claimed in claim 3, it is characterised in that the switching tube is N-type FET, the field
The grounded drain of effect pipe, the grid of the FET is electrically connected with the section between the second resistance and the 3rd resistor
Point, the source class of the FET is electrically connected with the first resistor, the section between the second resistance and the enable pin
Point.
5. the electric power management circuit as described in claim any one of 1-4, it is characterised in that the interface detection chip includes electricity
Source input pin, the electric power management circuit also includes the filtering being electrically connected between a power supply and the power input pin
Circuit, the filter circuit includes the first electric capacity and the second electric capacity, and first electric capacity and the second electric capacity are in parallel, and after parallel connection
One end connects the power supply and the interface detection chip, the other end ground connection after parallel connection.
6. a kind of electronic equipment, including electric power management circuit, it is characterised in that the electric power management circuit such as claim 1-5
Described in any one.
7. a kind of electronic equipment control method, it is characterised in that including：
When electronic equipment is in off-mode, the shutdown signal of control circuit transmission is received with down interface detection chip, institute
State interface detection chip and be electrically connected to TYPE_C interfaces, the TYPE_C interfaces are electrically connected to power management chip；
The insertion of TYPE_C equipment is received to keep the interface detection chip to be in the closed mode or enable the interface
Detection chip.
8. control method of electronic device as claimed in claim 7, it is characterised in that receive the insertion of TYPE_C equipment to keep
The interface detection chip is in the closed mode or enables the interface detection chip and specifically includes：
When the TYPE_C cables for receiving not connected power-supply device are inserted, the interface detection chip is kept to be in the closing shape
State；
When the TYPE_C cables for receiving connection power-supply device are inserted, the interface detection chip is enabled.
9. control method of electronic device as claimed in claim 8, it is characterised in that the interface detection chip includes power supply inspection
Survey pin and enable pin, the power detecting pin is electrically connected to the power management chip, the control circuit bag
Central processing unit and isolation circuit are included, the two ends of the isolation circuit are respectively connecting to the central processing unit and the enable is drawn
Pin, before receiving the shutdown signal that control circuit sends, the control method also includes：
The isolation circuit receives the first level signal that the central processing unit sends；
First level signal is converted to second electrical level signal by the isolation circuit, and the second electrical level signal is the pass
Close signal；
The isolation circuit exports to the enable pin shutdown signal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710042588.0A CN106844238A (en) | 2017-01-20 | 2017-01-20 | A kind of electric power management circuit, electronic equipment and control method of electronic device |
| PCT/CN2017/098603 WO2018133410A1 (en) | 2017-01-20 | 2017-08-23 | Power management circuit, electronic device, and method for controlling electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710042588.0A CN106844238A (en) | 2017-01-20 | 2017-01-20 | A kind of electric power management circuit, electronic equipment and control method of electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106844238A true CN106844238A (en) | 2017-06-13 |
Family
ID=59120920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710042588.0A Withdrawn CN106844238A (en) | 2017-01-20 | 2017-01-20 | A kind of electric power management circuit, electronic equipment and control method of electronic device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106844238A (en) |
| WO (1) | WO2018133410A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018133410A1 (en) * | 2017-01-20 | 2018-07-26 | 深圳市金立通信设备有限公司 | Power management circuit, electronic device, and method for controlling electronic device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201514611U (en) * | 2009-10-19 | 2010-06-23 | 广东欧珀电子工业有限公司 | Switching circuit of handheld device |
| US9871524B2 (en) * | 2015-04-17 | 2018-01-16 | Samsung Electronics Co., Ltd. | Integrated circuit and cable assembly including the same |
| CN105867593B (en) * | 2016-05-17 | 2018-11-13 | 深圳慧能泰半导体科技有限公司 | A kind of USB Type-C interface circuits and its control device |
| CN106844238A (en) * | 2017-01-20 | 2017-06-13 | 深圳市金立通信设备有限公司 | A kind of electric power management circuit, electronic equipment and control method of electronic device |
-
2017
- 2017-01-20 CN CN201710042588.0A patent/CN106844238A/en not_active Withdrawn
- 2017-08-23 WO PCT/CN2017/098603 patent/WO2018133410A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018133410A1 (en) * | 2017-01-20 | 2018-07-26 | 深圳市金立通信设备有限公司 | Power management circuit, electronic device, and method for controlling electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018133410A1 (en) | 2018-07-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106169783B (en) | Electronic equipment, charger, integrated circuit and electronic equipment connector detection method | |
| CN105790356B (en) | A kind of data line with charging circuit | |
| CN104978300B (en) | Mobile terminal and its detection method being connect with external equipment and device | |
| CN208707885U (en) | A kind of bluetooth headset and its charge cabin, charging system | |
| CN204304549U (en) | Charger and charge management circuit | |
| CN106301342B (en) | Interface circuit and terminal device | |
| CN104467109B (en) | Method for supplying power to electronic equipment and electronic equipment | |
| CN103683348B (en) | There is the electronic installation of power consumption detecting function | |
| CN108924691A (en) | A kind of bluetooth headset and its charge cabin, charging system | |
| CN208006760U (en) | A kind of charging interface state detection circuit and rechargeable devices | |
| CN105914810A (en) | Method for charging electronic equipment, and electronic equipment | |
| CN104065123B (en) | For detecting and control detection control circuit and the mobile terminal of charging current | |
| CN104065125A (en) | Electronic product charging system | |
| CN106844238A (en) | A kind of electric power management circuit, electronic equipment and control method of electronic device | |
| CN106774596B (en) | A kind of electric power management circuit, electronic equipment and control method of electronic device | |
| CN105680513B (en) | A kind of electronic installation with power supply circuit | |
| CN103108081B (en) | Subscriber identity module (SIM) card detection control device of mobile terminal | |
| CN106160038B (en) | Charging circuit | |
| CN107422214B (en) | A kind of testing device for touch screens | |
| CN212965358U (en) | Broken line detection circuit with load access automatic wake-up function and power bank | |
| CN203520298U (en) | Start circuit and portable equipment | |
| CN110427089A (en) | Power-on reset system and method suitable for LED display chip | |
| CN102360065A (en) | Battery detection method and device | |
| CN101882867B (en) | Anti-strong interference switch control signal generating circuit of system power supply | |
| CN104124735B (en) | Charging voltage stabilizing circuit |
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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170613 |
|
| WW01 | Invention patent application withdrawn after publication |