CN106774596A - 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
- CN106774596A CN106774596A CN201710042312.2A CN201710042312A CN106774596A CN 106774596 A CN106774596 A CN 106774596A CN 201710042312 A CN201710042312 A CN 201710042312A CN 106774596 A CN106774596 A CN 106774596A
- Authority
- CN
- China
- Prior art keywords
- power
- power management
- type
- circuit
- current potential
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
- G05F1/565—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor
- G05F1/569—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor for protection
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Power Sources (AREA)
Abstract
The embodiment of the invention discloses a kind of electric power management circuit, electronic equipment and control method of electronic device, the circuit includes TYPE_C interfaces, interface detection chip, power management chip and current potential pull-down circuit.Wherein, interface detection chip includes power detecting pin, TYPE_C interfaces include being electrically connected to the power pins of power management chip, and power pins are electrically connected to power detecting pin and form a node, and current potential pull-down circuit is electrically connected between node and power detecting pin.The embodiment of the present invention includes current potential pull-down circuit, when the TYPE_C cables of not connected power-supply device insert interface detection chip, current potential pull-down circuit can drag down the voltage of input to power management chip, make its triggering start voltage for being far below power management chip, solve the problems, such as 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
The embodiment of the invention provides a kind of electric power management circuit, including TYPE_C interfaces, interface detection chip, power supply pipe
Reason chip and current potential pull-down circuit.Wherein, interface detection chip includes power detecting pin, and TYPE_C interfaces include being electrically connected with
To the power pins of power management chip, power pins are electrically connected to power detecting pin and form a node, and current potential is drop-down
Circuit is electrically connected between node and power detecting pin.
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 previously described.
A kind of electronic equipment control method is the embodiment of the invention provides, including：
When electronic equipment is in off-mode, by the insertion of TYPE_C interface TYPE_C equipment, TYPE_C connects
Mouth includes being electrically connected to the power pins of power management chip, and power pins are electrically connected to power detecting pin and formation one
Node；
Insertion according to TYPE_C equipment produces a detection voltage, and by the power detecting pin of interface detection chip to
Power management chip is input into detection voltage；
Detection voltage is dragged down by current potential pull-down circuit, current potential pull-down circuit is electrically connected to power detecting pin and node
Between.
The embodiment of the present invention includes current potential pull-down circuit, when the TYPE_C cables insertion interface detection of not connected power-supply device
During chip, current potential pull-down circuit can drag down the voltage of input to power management chip, it is far below touching for power management chip
Hair start voltage, solves the problems, such as 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 circuit diagram of the electric power management circuit that second embodiment of the invention is provided；
Fig. 5 is the schematic flow diagram of the control method of electronic device that first embodiment of the invention is provided；
Fig. 6 is the schematic flow diagram of the control method of electronic device that second 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] ".
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；
Central processing unit 11, for sending low level signal；
Power management chip 12；
TYPE_C interfaces 13, connect power management chip 12；
Interface detection chip 14, connection filter circuit 10, central processing unit 11 and connection TYPE_C interfaces 13；
Current potential pull-down circuit 15, connecting interface detection chip 14 and power management chip 12, for dragging down input to power supply
The detection voltage of managing chip 12.
Further, refer to Fig. 2, filter circuit 10 include the first electric capacity C1 and the second electric capacity C2, the first electric capacity C1 and
Second electric capacity C2 is in parallel, and one end after parallel connection be connected as whole electric power management circuit provide electric power power supply VPH_PWR and
Interface detection chip 12, the other end after parallel connection is then grounded.
TYPE_C interfaces 13 are electrically connected to interface detection chip 14 and power management chip 12, and including a power pins
(i.e. pin 1).
Interface detection chip 14 includes pin 1, pin 2, pin 4, pin 10, pin 11 and pin 12.Wherein, pin 1
The first collocation channel pin CC1 and the second collocation channel pin CC2 is respectively with pin 2, for connecting TYPE_C interfaces 13,
TYPE_C equipment passes through the access interface detection chip 14 of TYPE_C interfaces 13；Pin 4 is power detecting pin VBUSDET, is used
In the power pins (i.e. pin 1) for being electrically connected to power management chip 12 and TYPE_C interfaces 13, and pin 4 and power management
A resistance R1 is serially connected between chip 12, further, between power pins (i.e. pin 1) and power detecting pin VBUSDET
Form a node A；Pin 10 is grounding pin GND；Pin 11 is enable pin ENB, for being electrically connected to central processing unit
11, enable interface detection chip 14 to receive the low level signal of the transmission of central processing unit 11；Pin 12 draws for power input
Pin VDD, the first electric capacity C1, the second electric capacity C2 and power supply VPH_PWR for being electrically connected to filter circuit 10.
Current potential pull-down circuit 15 is electrically connected between node A and power detecting pin VBUSDET.Specifically, such as Fig. 2 institutes
Show, current potential pull-down circuit 15 includes first resistor R1 (resistance is 1M) and second resistance R2 (resistance is 20K Ω), first resistor R1
One end connecting node A, the other end connect power detecting pin VBUSDET (and pin 4), second resistance R1 one end connection section
Point A, other end ground connection.
As shown in figure 3, central processing unit 21 sends low level signal, and the enable pin for passing through interface detection chip 24
(i.e. pin 11) is delivered to interface detection chip 24, to enable the interface detection chip 24.When electronic equipment because power drain from
After dynamic shutdown, if the equipment that TYPE_C interfaces 23 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 R3 of acquiescence 5.1K, (resistance is standard
TYPE_C agreements regulation), resistance R4 is divided power supply VPH_PWR the internal resistance R45 with interface detection chip 24
Pressure.Wherein, one end of internal resistance R4 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, power detecting pin is detected
The voltage at VBUSDET (i.e. pin 4) place is 0.9V or so.The voltage of the 0.9V or so counter will be filled to power management chip 22,
Again due to the brownout of the triggering electronic equipment start of power management chip 22, therefore, the voltage of 0.9V or so just triggers start,
So as to result in the machine of opening by mistake.
Based on this, current potential pull-down circuit 15 as shown in Figure 2 is the embodiment of the invention provides.When TYPE_C interfaces 13 pass through
TYPE_C cables are connected to the equipment (inserting pure TYPE_C cables by TYPE_C interfaces) of non-charged, and core is detected from interface
The voltage of the 0.9V of power detecting pin VBUSDET (i.e. pin 4) outputs of piece 14 or so, after overpotential pull-down circuit, will
Can be pulled down to 0.3V or so (i.e. voltage at node A is 0.3V or so), the voltage again input power managing chip 12 when, its
Far below the voltage (general 0.9V or so) of the triggering start of power management chip 12, so as to solve not connected power-supply device
TYPE_C cables insertion interface detection chip causes the problem that false triggering is started shooting.
Fig. 4 is refer to, is the circuit diagram of present invention start detection circuit second embodiment.As illustrated, the drop-down electricity of current potential
Road 35 includes the first diode D1, and it connects with first resistor R5, and the negative electrode of the first diode D1 connects first resistor R5.And
Connection power detecting pin VBUSDET (i.e. pin 4) of anode the connecting node B, first resistor R1 of the first diode D1.Its
In, the conducting voltage of first diode D1 is 0.7V or so.
Further, the current potential pull-down circuit 35 in the present embodiment also includes second resistance R6 and the second diode D2, the
One end of two resistance R6 connects power detecting pin VBUSDET (i.e. pin 4) and first resistor R5, and the other end connects the two or two pole
The anode of pipe D2, the negative electrode of the second diode D2 connects the anode of the first diode D1, the negative electrode connection of the second diode D2 the
The anode and node A of one diode D1.First resistor R5 and the first diode D1 forms the first path, second resistance R6 and second
Diode D2 forms alternate path, and when TYPE_C equipment inserts interface detection chip, the first path or alternate path are turned on.Its
In, TYPE_C equipment includes the TYPE_C cables of the TYPE_C cables of not connected power-supply device and connection power-supply device.
Specifically, after electronic equipment is because of power drain automatic shutdown, if TYPE_C interfaces 33 are connected by TYPE_C cables
To the equipment (inserting pure TYPE_C cables by TYPE_C interfaces) of non-charged, as it was previously stated, power detecting pin
VBUSDET (i.e. pin 4) can outwards export the detection voltage of 0.9V or so, and now first resistor R5 and the first diode D1 are formed
The conducting of the first path, while the alternate path that second resistance R6 and the second diode D2 are formed is reversed diode D2 cut-offs,
It is not turned on.Therefore, the voltage of 0.9V or so is by after the first path, the voltage at node B can be reduced to 0.9-0.7=
The voltage of 0.2V or so, 0.2V or so again input power managing chip 32 when, its be far below power management chip 32 triggering start
Voltage (general 0.9V or so), so as to solve not connected power-supply device TYPE_C cables insert interface detection chip cause
The problem of false triggering start.
Correspondingly, if the equipment that charged is connected to by TYPE_C cables of TYPE_C interfaces 33, the power-supply device passes through
To node B, the charging voltage is exported to electricity the charging voltages such as the output charging voltage of pin 1 of TYPE_C interfaces, such as 5V, 12V
Source control chip 32 makes electronic equipment normal boot-strap, while the alternate path for forming second resistance R6 and the second diode D2 is led
It is logical, and the first path that first resistor R5 and the first diode D1 is formed is reversed diode D1 cut-offs, is not turned on.Cause
This, interface detection chip 34 can normally be recognized to the TYPE_C equipment inserted, so as to complete normal charging.
It should be noted that filter circuit 30, central processing unit 31, power management chip 32, TYPE_C interfaces in Fig. 4
33 and the component symbol of interface detection chip 34, annexation and the course of work and Fig. 2 in filter circuit 10, center treatment
Device 11, power management chip 12, TYPE_C interfaces 13 and interface detection chip 14 are similar to, and will not be repeated here.
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. 5 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, by the insertion of TYPE_C interface TYPE_C equipment,
TYPE_C interfaces include being electrically connected to the power pins of power management chip, and power pins are electrically connected to power detecting pin
And form a node；
S102, the insertion according to TYPE_C equipment produces a detection voltage, and by the power detecting of interface detection chip
Pin is input into detection voltage to power management chip；
S103, detection voltage is dragged down by current potential pull-down circuit, and the current potential pull-down circuit is electrically connected to power detecting and draws
Between pin and node.
It should be noted that the method in the present embodiment is using circuit realiration as shown in Figure 2.Therefore, the present embodiment
The specific workflow of middle method refer to the foregoing description to circuit shown in Fig. 2, will not be repeated here.In the present embodiment, when
When TYPE_C cables are connected to the equipment insertion interface detection chip of non-charged, after overpotential pull-down circuit, input to electricity
The voltage of source control chip will be pulled down to 0.3V or so, and the voltage that it is far below power management chip triggering start is (probably
0.9V or so), cause false triggering to be started shooting so as to the TYPE_C cables for solving not connected power-supply device insert interface detection chip
Problem.
Fig. 6 is refer to, is the schematic flow diagram that second embodiment of the invention provides a kind of electronic equipment control method, such as schemed
Shown, the method can include：
S201, when electronic equipment is in off-mode, by the insertion of TYPE_C interface TYPE_C equipment,
TYPE_C interfaces include being electrically connected to the power pins of power management chip, and power pins are electrically connected to power detecting pin
And form a node；
S202, the insertion according to TYPE_C equipment produces a detection voltage, and by the power detecting of interface detection chip
Pin is input into detection voltage to power management chip；
S203, the insertion according to TYPE_C equipment selectively turns on the first path or alternate path；
S204, when the first path is turned on, detection voltage is dragged down by current potential pull-down circuit, and the current potential pull-down circuit is electrical
It is connected between power detecting pin and node.
Specifically, when the TYPE_C cables of not connected power-supply device are inserted, the first path is turned on, simultaneously closes off second and lead to
Road, and detection voltage is dragged down by current potential pull-down circuit；When the TYPE_C cables for connecting power-supply device are inserted, conducting second is led to
Road, simultaneously closes off the first path, and interface detection chip is normally recognized that completion is normally filled to the TYPE_C equipment inserted
Electricity.
It should be noted that the method in the present embodiment is using circuit realiration as shown in Figure 2.Therefore, the present embodiment
The specific workflow of middle method refer to the foregoing description to circuit shown in Fig. 4, will not be repeated here.In the present embodiment, when
When TYPE_C cables are connected to the equipment insertion interface detection chip of non-charged, after overpotential pull-down circuit, input to electricity
The voltage of source control chip will be pulled down to 0.2V or so, and the voltage that it is far below power management chip triggering start is (probably
0.9V or so), cause false triggering to be started shooting so as to the TYPE_C cables for solving not connected power-supply device insert interface detection chip
Problem.
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, including TYPE_C interface, interface detection chip and power management chip, the interface detection
Chip includes power detecting pin, and the TYPE_C interfaces include being electrically connected to the power pins of the power management chip,
The power pins are electrically connected to the power detecting pin and form a node；Characterized in that, the power management electricity
Road also include current potential pull-down circuit, the current potential pull-down circuit be electrically connected to the node and the power detecting pin it
Between.
2. electric power management circuit as claimed in claim 1, it is characterised in that the current potential pull-down circuit include first resistor and
Second resistance, one end of the first resistor connects the node, and the other end connects the power detecting pin, second electricity
One end of resistance connects the node, other end ground connection.
3. electric power management circuit as claimed in claim 1, it is characterised in that the current potential pull-down circuit include first resistor and
First diode, first diode is connected with the first resistor, the negative electrode connection described first of first diode
Resistance, the anode of first diode connects the node, the connection power detecting pin of the first resistor.
4. electric power management circuit as claimed in claim 3, it is characterised in that the current potential pull-down circuit also includes second resistance
And second diode, one end connection the power detecting pin and the first resistor of the second resistance, second electricity
The other end of resistance connects the anode of second diode, and the negative electrode of second diode connects the sun of first diode
Pole and the node.
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, by the insertion of TYPE_C interface TYPE_C equipment, the TYPE_C connects
Mouth includes being electrically connected to the power pins of the power management chip, and the power pins are electrically connected to the power detecting
Pin simultaneously forms a node；
Insertion according to the TYPE_C equipment produces a detection voltage, and by the power detecting pin of interface detection chip to
Power management chip is input into the detection voltage；
The detection voltage is dragged down by current potential pull-down circuit, the current potential pull-down circuit is electrically connected to the power detecting and draws
Between pin and the node.
8. control method of electronic device as claimed in claim 7, it is characterised in that the current potential pull-down circuit includes that first leads to
Road and alternate path, methods described also include：
Insertion according to the TYPE_C equipment selectively turns on first path or alternate path.
9. control method of electronic device as claimed in claim 8, it is characterised in that led according to the insertion signal-selectivity
Lead to first path or alternate path is specifically included：
When the TYPE_C cables of not connected power-supply device are inserted, first path is turned on, simultaneously close off the alternate path；
When the TYPE_C cables for connecting power-supply device are inserted, the alternate path is turned on, simultaneously close off first path.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710042312.2A CN106774596B (en) | 2017-01-20 | 2017-01-20 | A kind of electric power management circuit, electronic equipment and control method of electronic device |
| PCT/CN2017/098602 WO2018133409A1 (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 |
|---|---|---|---|
| CN201710042312.2A CN106774596B (en) | 2017-01-20 | 2017-01-20 | A kind of electric power management circuit, electronic equipment and control method of electronic device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106774596A true CN106774596A (en) | 2017-05-31 |
| CN106774596B CN106774596B (en) | 2019-04-23 |
Family
ID=58944829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710042312.2A Expired - Fee Related CN106774596B (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) | CN106774596B (en) |
| WO (1) | WO2018133409A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018133409A1 (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 |
| CN113823236A (en) * | 2020-06-19 | 2021-12-21 | 凸版印刷株式会社 | Shift register and display device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110298429A1 (en) * | 2010-06-04 | 2011-12-08 | Po-Han Chiu | Power path management circuit and method |
| CN205050134U (en) * | 2015-09-24 | 2016-02-24 | 深圳市芯海科技有限公司 | Portable power source TYPE -C interface management circuit |
| CN105630724A (en) * | 2016-01-27 | 2016-06-01 | 深圳慧能泰半导体科技有限公司 | USB Type-C system control circuit |
| US20160179648A1 (en) * | 2014-12-23 | 2016-06-23 | Intel Corporation | System to detect charger and remote host for type-c connector |
| CN105790360A (en) * | 2016-04-11 | 2016-07-20 | 联想(北京)有限公司 | Charging circuit, electronic device and information processing method |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10001799B2 (en) * | 2014-03-24 | 2018-06-19 | Nokia Technologies Oy | Pull-down circuitry for an apparatus |
| CN104615569A (en) * | 2014-12-31 | 2015-05-13 | 小米科技有限责任公司 | Electronic equipment and data transmission system |
| US9871524B2 (en) * | 2015-04-17 | 2018-01-16 | Samsung Electronics Co., Ltd. | Integrated circuit and cable assembly including the same |
| CN104899176B (en) * | 2015-06-10 | 2017-09-19 | 赛尔康技术（深圳）有限公司 | The identification circuit of USB Type C interface |
| CN105785817B (en) * | 2016-03-24 | 2018-08-03 | 成都芯源系统有限公司 | Power supply circuit and power supply method |
| CN105955907A (en) * | 2016-04-20 | 2016-09-21 | 芯海科技（深圳）股份有限公司 | Circuit and method for configuring pin of USB TYPE-C dedicated chip |
| CN106027012B (en) * | 2016-06-13 | 2023-05-05 | 达凯(上海)电子科技有限公司 | Pull-down resistor switch circuit |
| CN106774596B (en) * | 2017-01-20 | 2019-04-23 | 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 CN201710042312.2A patent/CN106774596B/en not_active Expired - Fee Related
- 2017-08-23 WO PCT/CN2017/098602 patent/WO2018133409A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110298429A1 (en) * | 2010-06-04 | 2011-12-08 | Po-Han Chiu | Power path management circuit and method |
| US20160179648A1 (en) * | 2014-12-23 | 2016-06-23 | Intel Corporation | System to detect charger and remote host for type-c connector |
| CN205050134U (en) * | 2015-09-24 | 2016-02-24 | 深圳市芯海科技有限公司 | Portable power source TYPE -C interface management circuit |
| CN105630724A (en) * | 2016-01-27 | 2016-06-01 | 深圳慧能泰半导体科技有限公司 | USB Type-C system control circuit |
| CN105790360A (en) * | 2016-04-11 | 2016-07-20 | 联想(北京)有限公司 | Charging circuit, electronic device and information processing method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018133409A1 (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 |
| CN113823236A (en) * | 2020-06-19 | 2021-12-21 | 凸版印刷株式会社 | Shift register and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106774596B (en) | 2019-04-23 |
| WO2018133409A1 (en) | 2018-07-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103064489B (en) | A kind of method and terminal of carrying out internal circuit selection according to USB interface state | |
| CN105790356B (en) | A kind of data line with charging circuit | |
| CN106451385B (en) | ESD protection circuit and integrated circuit | |
| CN204304549U (en) | Charger and charge management circuit | |
| CN104505890B (en) | Mobile terminal | |
| CN206321742U (en) | A kind of electric connector inserting state detection means, electric connector female seat and male seat | |
| CN107948799A (en) | Wireless headset and charging box | |
| CN108924691A (en) | A kind of bluetooth headset and its charge cabin, charging system | |
| CN206074715U (en) | A kind of direct current power-fail detection circuit | |
| CN106774596A (en) | A kind of electric power management circuit, electronic equipment and control method of electronic device | |
| CN106602532B (en) | Current-limiting circuit and its driving method, PMIC protection system and display apparatus protecting system | |
| CN106021161B (en) | Anticorrosion circuit, Type-C interfaces and Type-C data lines for Type-C interfaces | |
| CN103108081B (en) | Subscriber identity module (SIM) card detection control device of mobile terminal | |
| CN103051325B (en) | Pull-up resistance circuit for preventing reverse current filling | |
| CN111537915A (en) | Broken string detection circuitry and treasured that charges of polymorphic type charging wire | |
| CN106844238A (en) | A kind of electric power management circuit, electronic equipment and control method of electronic device | |
| CN110427089A (en) | Power-on reset system and method suitable for LED display chip | |
| CN207320875U (en) | A kind of charging detecting circuit and charger | |
| CN109193883A (en) | The charging base and its control circuit of smartwatch | |
| CN212965358U (en) | Broken line detection circuit with load access automatic wake-up function and power bank | |
| CN105119118B (en) | A kind of USB charging wires | |
| CN206283280U (en) | A kind of power supply management device | |
| CN107294055A (en) | A kind of charge protector and relevant device | |
| CN104124735B (en) | Charging voltage stabilizing circuit | |
| CN107508582A (en) | A kind of electronic reset circuit and functional module or device |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190423 Termination date: 20200120 |