CN209590835U - A kind of power-supply system and electronic equipment - Google Patents
A kind of power-supply system and electronic equipment Download PDFInfo
- Publication number
- CN209590835U CN209590835U CN201920034423.3U CN201920034423U CN209590835U CN 209590835 U CN209590835 U CN 209590835U CN 201920034423 U CN201920034423 U CN 201920034423U CN 209590835 U CN209590835 U CN 209590835U
- Authority
- CN
- China
- Prior art keywords
- power
- supply system
- embedded controller
- mode
- controller
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides a kind of power-supply system, comprising: the first power circuit and second source circuit are respectively connect with embedded controller；Switch unit is connect with the first power circuit, power transmission controller and embedded controller, and embedded controller is also used to turning on and off for control switch unit.When external equipment insertion has been not detected in power transmission controller, embedded controller controls power-supply system is in first mode, in the first mode, second source circuit described in embedded controller controls is not powered to power transmission controller, and embedded controller is connected by control switch unit.The power-supply system and electronic equipment of the embodiment of the present application can detect the external equipment of c-type USB interface by field effect transistor or bipolar transistor, simultaneously without increasing the power supply to power circuit, therefore energy conservation standard is met while ensuring the availability of c-type USB interface.
Description
Technical field
The invention relates to computer field, in particular to a kind of power-supply system and electronic equipment.
Background technique
Computer machine supports USB Type-C port (the c-type Universal of 2 complete functions mostly at present
Serial Bus (universal serial bus) interface, it includes Power Delivery function (power transmission function, that is,
Data transmission and image transmission function) so that the whole current drain when voltage is 5V of system is up to 18A, single group
5V power circuit has been unable to satisfy this demand, therefore the additional supply voltage for increasing by one group of 5V is needed to give USB Type C port more
It uses, as shown in Figure 1A, charging circuit obtains electric power to EC (embedded controller) control (by based on mark from power supply system
Quasi- S5 order) each power circuit power, so as to all parts (including CPU (central processing unit), GPU (graphics process
Device), HDD (hard disk), other device (other equipment)) provide operating voltage).But when system AC charging mode simultaneously
And battery capacity be 100% in the case where shut down, while when not connecting any USB-C equipment, if equipment rear end do not have it is any negative
It carries, still will increase the power consumption of system 60mW, lead to not meet for energy-efficient ErP (Energy-related
Products, energy Related product) testing standard, as shown in Figure 1B.
Utility model content
This application provides a kind of power-supply system and electronic equipments, can be while ensuring the availability of c-type USB interface
Meet the energy conservation standard.
In order to solve the above-mentioned technical problem, the embodiment of the present application provides a kind of power-supply system and electronic equipment.On the one hand,
Provide a kind of power-supply system, comprising: embedded controller；C-type USB interface comprising power transmission controller；First power supply
Circuit and second source circuit, respectively connect with the embedded controller, for powering for the c-type USB interface；Switch
Unit is connect, wherein described embedding with first power circuit, the power transmission controller and the embedded controller
Enter formula controller and is also used to control turning on and off for the switch unit；The second source circuit connection is passed to the power
Defeated controller；Wherein when external equipment insertion has been not detected in the power transmission controller, the embedded controller control
Power-supply system processed is in first mode, wherein in the first mode, second source described in the embedded controller controls
Circuit is not powered to the power transmission controller, and the embedded controller is by controlling the switching means conductive.
Preferably, the switch unit is field effect transistor, one in drain electrode or source electrode is connected to described the
One power circuit, another is connected to the power transmission controller, and its grid is connected to the embedded controller；Its
In in the first mode, the field effect transistor is connected by controlling the grid in the embedded controller.
Preferably, when the power transmission controller has detected external equipment insertion, the embedded controller
The power-supply system is controlled as second mode, in the second mode, the second electricity described in the embedded controller controls
Source circuit is powered to the power transmission controller, and the embedded controller imitates the field by controlling the grid
Transistor is answered to turn off.
Preferably, the electronic equipment where the power-supply system is in off-mode.
Preferably, the battery of the power-supply system is in full power state.
Preferably, the battery of the power-supply system is in AC charging mode.
Preferably, the switch unit is bipolar transistor, one in collector or emitter is connected to institute
The first power circuit is stated, another is connected to the power transmission controller, and its base stage is connected to the embedded Control
Device；Wherein in the first mode, the embedded controller leads the bipolar transistor by controlling the base stage
It is logical.
Preferably, when the power transmission controller has detected external equipment insertion, the embedded controller
The power-supply system is controlled as second mode, in the second mode, the second electricity described in the embedded controller controls
Source circuit is powered to the power transmission controller, and the embedded controller by control the base stage make it is described bipolar
Property transistor shutdown.
Preferably, the electronic equipment where the power-supply system is in off-mode.
Preferably, the battery of the power-supply system is in full power state, and at the battery of the power-supply system
In AC charging mode.
On the other hand, a kind of electronic equipment, including power-supply system as described above are provided.
Disclosure based on the above embodiment can know that the power-supply system and electronic equipment of the embodiment of the present application can pass through
Field effect transistor or bipolar transistor detect the external equipment of c-type USB interface, while without increasing to power circuit
Power supply, therefore energy conservation standard is met while ensuring the availability of c-type USB interface.
Detailed description of the invention
Figure 1A is the schematic diagram according to the power-supply system framework of the prior art.
Figure 1B is the schematic diagram according to the power-supply system framework of the prior art.
Fig. 1 C is the schematic block diagram according to the power-supply system of one embodiment of the utility model.
Fig. 1 D is the schematic diagram according to the power-supply system framework of the embodiment of the prior art.
Fig. 1 E is the schematic diagram according to the power-supply system framework of another embodiment of the utility model.
Fig. 2 is the schematic block diagram according to the electronic equipment of another embodiment of the utility model.
Fig. 3 is the schematic block diagram according to the power-supply system of another embodiment of the utility model.
Fig. 4 is the schematic flow chart executed according to the power-supply system of one embodiment of the utility model.
Specific embodiment
In the following, being described in detail in conjunction with specific embodiment of the attached drawing to the application, but not as the restriction of the application.
It should be understood that various modifications can be made to disclosed embodiments.Therefore, following description should not regard
To limit, and only as the example of embodiment.Those skilled in the art will expect within the scope and spirit of this
Other modifications.
The attached drawing being included in the description and forms part of the description shows embodiment of the disclosure, and with it is upper
What face provided is used to explain the disclosure together to substantially description and the detailed description given below to embodiment of the disclosure
Principle.
By the description of the preferred form with reference to the accompanying drawings to the embodiment for being given as non-limiting example, the application's
These and other characteristic will become apparent.
It is also understood that although the application is described referring to some specific examples, those skilled in the art
Member realizes many other equivalents of the application in which can determine, they have feature as claimed in claim and therefore all
In the protection scope defined by whereby.
When read in conjunction with the accompanying drawings, in view of following detailed description, above and other aspect, the feature and advantage of the disclosure will become
It is more readily apparent.
The specific embodiment of the disclosure is described hereinafter with reference to attached drawing；It will be appreciated, however, that the disclosed embodiments are only
Various ways implementation can be used in the example of the disclosure.Known and/or duplicate function and structure and be not described in detail to avoid
Unnecessary or extra details makes the disclosure smudgy.Therefore, specific structural and functionality disclosed herein is thin
Section is not intended to restrictions, but as just the basis of claim and representative basis be used to instructing those skilled in the art with
Substantially any appropriate detailed construction diversely uses the disclosure.
This specification can be used phrase " in one embodiment ", " in another embodiment ", " in another embodiment
In " or " in other embodiments ", it can be referred to one or more of the identical or different embodiment according to the disclosure.
In the following, the embodiment of the present application is described in detail in conjunction with attached drawing.
Fig. 1 C is the schematic block diagram according to the power-supply system of one embodiment of the utility model.The power-supply system of Fig. 1
100 include:
Embedded controller 150；C-type usb 1 30 comprising power transmission controller 131；
With the first power circuit 110 and second source circuit 120, respectively it is connect with embedded controller 150, such as divide
It is not controlled by EC_ON and EC_ON2 signal, for powering for c-type USB interface；Switch unit 140, with described
One power circuit 110, the power transmission controller 131 and the embedded controller 150 connect, wherein the embedded control
Device 150 processed is also used to control turning on and off for the switch unit 140；Second source circuit 120 is connected to power transmission control
Device 131 processed；
Wherein when external equipment insertion has been not detected in power transmission controller 131, embedded controller 150 controls electricity
Source system 100 is in first mode, wherein in the first mode, embedded controller 150 control second source circuit 120 not to
Power transmission controller 131 is powered (for example, EC_ON2 signal), and the embedded controller 150 described in control by opening
Unit 140 is closed to be connected.
It should be understood that switch unit 140 can be for arbitrarily, it is therefore preferable to field effect transistor and bipolar transistor, when
When switch unit 140 is field effect transistor, one in drain D or source S is connected to the first power circuit 110, another
It is a to be connected to power transmission controller 131, and its grid G is connected to embedded controller 150, such as embedded controller
150 control grid G by I2C (Inter-Integrated Circuit) bus；Specifically, embedded controller
150 can make field effect transistor conducting (for example, by I2C bus) by controlling grid G.
It should also be understood that power transmission controller (PD control) is the component of c-type USB interface.External equipment can be
Such as any mobile device, charging equipment etc. using c-type USB interface.Field effect transistor can be any form, such as tie
The field-effect tube of type field-effect tube and metal oxide semiconductor field effect tube is preferentially metal oxide semiconductor field-effect
The field-effect tube of pipe.Can be between the source electrode and drain electrode of field effect transistor it is arbitrary, the utility model is not construed as limiting this.
Electronic equipment where power-supply system may be at open state, also may be at off-mode.The battery of power-supply system can also
With any state.Preferably, the electronic equipment where power-supply system is in open state, and the battery of power-supply system is in full
Electricity condition (battery 100%).For example, as shown in figure iD, in the power-supply system framework of embodiment according to prior art, handing over
Current charge mode (power supply adaptor be in connection) and when Battery is 100%, after EC receives shutdown command, completes to close
After machine timing, the 5V power supply that USB Type-C is used can be closed, the power consumption of power circuit is reduced, so may insure to meet
The testing standard of ErP Lot6.First power circuit can be the power circuit of for example, power supplies such as hard disk, second source circuit
It such as can be increased power circuit.Preferably, first mode and second mode are the electronic equipment where power-supply system
System closedown state.
Therefore, the power-supply system of the embodiment of the present application can detect C by field effect transistor or bipolar transistor
The external equipment of type USB interface, while without increasing the power supply to power circuit, therefore in the availability for ensuring c-type USB interface
While meet energy conservation standard.In other words, the power consumption of double C-type usb interface system is saved.
According to the power-supply system 100 of the embodiment of Fig. 1 C, when power transmission controller has detected external equipment insertion,
Embedded controller controls power-supply system for second mode, in a second mode, embedded controller controls second source electricity
Road direction power transmission controller is powered (for example, EC_ON2 signal), and embedded controller makes field-effect by controlling grid
Transistor shutdown (for example, passing through I2C bus).It should be understood that the field effect transistor can be MOSFET (Metal-Oxide
Semiconductor Field Effect Transistor, metal oxide semiconductor field effect tube).EC_ON2 signal control
System switch off and on and can be realized by the high level or low level of signal, specifically, is originally applicable in and novel is not made to this
It limits, one is set as high level, another one is set as low level.For example, as referring to figure 1E, practical new according to this
In the power-supply system framework of another embodiment of type, 5V power circuit 1 corresponds to first power circuit of the utility model.5V
Power circuit 2 corresponds to the second source circuit of the utility model.TYPE C corresponds to the c-type USB interface of the utility model.
MOSFET corresponds to the field effect transistor of the utility model.EC_ON signal is for controlling 5V power circuit 1.EC_ON2 signal
For controlling 5V power circuit 2.
Pass through the on and off of field-effect tube, it is ensured that energy conservation standard is met while the availability of c-type USB interface,
In addition, when detect be connected with external equipment when, field-effect tube and enabled to c-type USB interface can be turned off, to realize
The balance of energy conservation and functional availability.
According to the power-supply system 100 of the embodiment of Fig. 1 C, the electronic equipment where power-supply system is in off-mode.
According to the power-supply system 100 of the embodiment of Fig. 1 C, the battery of power-supply system is in full power state.
According to the power-supply system 100 of the embodiment of Fig. 1 C, the battery of power-supply system is in AC charging mode.
Fig. 2 is the schematic block diagram according to the electronic equipment of another embodiment of the utility model.The electronic equipment of Fig. 2
200 include power-supply system 210.It should be understood that electronic equipment 200 can be arbitrarily, it is therefore preferable to laptop.The application is real
The electronic equipment for applying example can detect the external equipment of c-type USB interface by field effect transistor or bipolar transistor, together
When do not increase power supply to power circuit, therefore meet energy conservation standard while ensuring the availability of c-type USB interface.
Fig. 3 is the schematic block diagram according to the power-supply system of another embodiment of the utility model.The kind power supply system of Fig. 3
System 300, comprising:
Embedded controller 350；C-type USB interface 330 comprising power transmission controller 331；
For the first power circuit 310 and second source circuit 320 of c-type USB interface 340, respectively and embedded Control
Device 350 connects；One in bipolar transistor 340, collector C or emitter E is connected to the first power circuit 310, separately
One is connected to power transmission controller 331, and its base stage B is connected to embedded controller 350；Second source circuit 320
It is connected to power transmission controller 331,
Wherein when external equipment insertion has been not detected in power transmission controller 331, embedded controller 350 is by power supply
The control of system 300 is first mode, wherein in the first mode, embedded controller 350 control second source circuit 320 not to
Power transmission controller 331 is powered, and bipolar transistor 340 is connected by controlling base stage in embedded controller 350.
It should be understood that bipolar transistor can be any form.It can between the collector or emitter of bipolar transistor
Think that arbitrarily the utility model is not construed as limiting this.Electronic equipment where power-supply system may be at open state, can also
To be in off-mode.The battery of power-supply system can also be with any state.Preferably, the electronic equipment where power-supply system is in
Open state, and the battery of power-supply system is in full power state.
The power-supply system of the embodiment of the present application can detect c-type USB by field effect transistor or bipolar transistor
The external equipment of interface, while without increasing the power supply to power circuit, therefore ensuring the same of the availability of c-type USB interface
When meet energy conservation standard.
According to the power-supply system 300 of the embodiment of Fig. 3, when power transmission controller has detected external equipment insertion,
Embedded controller controls power-supply system for second mode, in a second mode, embedded controller controls second source electricity
The power supply of road direction power transmission controller, and embedded controller turns off bipolar transistor by controlling base stage.
According to the power-supply system 300 of the embodiment of Fig. 3, the electronic equipment where power-supply system is in off-mode.
According to the power-supply system 300 of the embodiment of Fig. 3, the battery of power-supply system is in full power state, and power-supply system
Battery be in AC charging mode.
Fig. 4 is the schematic flow chart executed according to the power-supply system of one embodiment of the utility model.
Step 1: when system receives the instruction of shutdown, CPU can send SLP_S5# signal notice EC.
Step 2: EC can start to carry out shutdown timing, and after the completion, EC can be confirmed whether then Adapter and battery electricity
Amount.
Step 3: if AC charging mode and battery capacity is that 100%, EC can be after system enters shutdown, then by EC_
ON2 signal is set as (for example) low level, stops the running of 5V power circuit 2.At this point, MOSFET can be connected, by the another of system
Group 5V provides power to USB Type-C, saves system power dissipation.
Step 4: the CC Pin of PD control device has power supply supply to be able to maintain whether detecting has and connect any external equipment.
Step 5: if connecting external equipment, PD control device can notify EC through I2C bus, and EC can be again by EC_ON2 signal
It is set as (for example) high level, provide power supply by 5V power circuit 2 and stops MOSFET conducting.If removing external device, can return again
To step 3.
Step 6: when pressing system power supply power button, EC can execute booting timing again, and EC_ON2 signal is set as (example
Such as) high level, MOSFET can stop being connected, power supply needed for 5V power circuit 2 starts operation and provides USB-C equipment.
It is apparent to those skilled in the art that for convenience and simplicity of description, the data of foregoing description
The electronic equipment that processing method is applied to, can be with reference to the corresponding description in before-mentioned products embodiment, and details are not described herein.
Above embodiments are only the exemplary embodiment of the application, are not used in limitation the application, the protection scope of the application
It is defined by the claims.Those skilled in the art can make respectively the application in the essence and protection scope of the application
Kind modification or equivalent replacement, this modification or equivalent replacement also should be regarded as falling within the scope of protection of this application.
Claims (10)
1. a kind of power-supply system characterized by comprising
Embedded controller；
C-type USB interface comprising power transmission controller；
First power circuit and second source circuit, respectively connect with the embedded controller, for being the c-type USB
Interface power supply；
Switch unit is connect with first power circuit, the power transmission controller and the embedded controller,
Described in embedded controller be also used to control turning on and off for the switch unit；
The second source circuit connection is to the power transmission controller；
Wherein when external equipment insertion has been not detected in the power transmission controller, the embedded controller controls power supply
System is in first mode, wherein in the first mode, second source circuit described in the embedded controller controls is not
It powers to the power transmission controller, and the embedded controller is by controlling the switching means conductive.
2. power-supply system according to claim 1, which is characterized in that the switch unit is field effect transistor, leakage
One in pole or source electrode is connected to first power circuit, another is connected to the power transmission controller, and its
Grid is connected to the embedded controller；
Wherein in the first mode, the embedded controller leads the field effect transistor by controlling the grid
It is logical.
3. power-supply system according to claim 2, which is characterized in that when the power transmission controller has detected outside
When equipment is inserted into, the embedded controller controls the power-supply system for second mode, in the second mode, described
Second source circuit described in embedded controller controls is powered to the power transmission controller, and the embedded controller
The field effect transistor is turned off by controlling the grid.
4. power-supply system according to claim 1, which is characterized in that the electronic equipment where the power-supply system, which is in, to close
Machine state.
5. power-supply system according to claim 3, which is characterized in that the battery of the power-supply system is in full power state,
And the battery of the power-supply system is in AC charging mode.
6. power-supply system according to claim 2, which is characterized in that the switch unit is bipolar transistor, collection
One in electrode or emitter is connected to first power circuit, another is connected to the power transmission controller, and
And its base stage is connected to the embedded controller；
Wherein in the first mode, the embedded controller leads the bipolar transistor by controlling the base stage
It is logical.
7. power-supply system according to claim 6, which is characterized in that when the power transmission controller has detected outside
When equipment is inserted into, the embedded controller controls the power-supply system for second mode, in the second mode, described
Second source circuit described in embedded controller controls is powered to the power transmission controller, and the embedded controller
The bipolar transistor is turned off by controlling the base stage.
8. power-supply system according to claim 6, which is characterized in that the electronic equipment where the power-supply system, which is in, to close
Machine state.
9. power-supply system according to claim 8, which is characterized in that the battery of the power-supply system is in full power state,
And the battery of the power-supply system is in AC charging mode.
10. a kind of electronic equipment, which is characterized in that including power-supply system of any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920034423.3U CN209590835U (en) | 2019-01-09 | 2019-01-09 | A kind of power-supply system and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920034423.3U CN209590835U (en) | 2019-01-09 | 2019-01-09 | A kind of power-supply system and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209590835U true CN209590835U (en) | 2019-11-05 |
Family
ID=68352126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920034423.3U Active CN209590835U (en) | 2019-01-09 | 2019-01-09 | A kind of power-supply system and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209590835U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114138100A (en) * | 2021-12-02 | 2022-03-04 | 无锡睿勤科技有限公司 | Low-power-consumption startup and shutdown method, startup and shutdown circuit and intelligent terminal |
-
2019
- 2019-01-09 CN CN201920034423.3U patent/CN209590835U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114138100A (en) * | 2021-12-02 | 2022-03-04 | 无锡睿勤科技有限公司 | Low-power-consumption startup and shutdown method, startup and shutdown circuit and intelligent terminal |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11404898B2 (en) | Method of controlling an output power of a charging device, a circuit, and a charging device | |
| CN104777888B (en) | Coordinate the energy consumption in control reduction computer system by the software and hardware of more power supplys | |
| TWI394344B (en) | Portable computer system and related power supply device and charging method | |
| US8949631B2 (en) | USB power supply method and device, and end device and system using the same | |
| US20120194124A1 (en) | Wireless Battery Charging System | |
| US20100060233A1 (en) | Charger with USB detection | |
| CN105426332B (en) | Communication interface circuit, portable electronic device and electronic system | |
| CN104505888A (en) | Mobile terminal and charging device | |
| WO2014187415A1 (en) | Charging cable and charging system | |
| WO2022068397A1 (en) | Charging control circuit and charging device | |
| CN104505890A (en) | Mobile terminal | |
| CN106843442A (en) | Vehicle mounted multimedia Low-power-consumptiodormancy dormancy device and method based on data protection | |
| CN102999144A (en) | USB (Universal Serial Bus) power supply circuit and device as well as power supply method | |
| CN209590835U (en) | A kind of power-supply system and electronic equipment | |
| TWI582575B (en) | Electronic device | |
| WO2015143793A1 (en) | Current control method and terminal device | |
| US11061848B1 (en) | Information processing apparatus and control method | |
| TWI578147B (en) | Power consumption control method for an electronic system and electronic system thereof | |
| CN104283289B (en) | A kind of Bluetooth charging device and charge control method | |
| CN202948395U (en) | USB (Universal Serial Bus) power supply circuit and device thereof | |
| TW201430544A (en) | Battery, power supply apparatus and electronic apparatus | |
| KR101529640B1 (en) | A computer system having sleep mode type universal serial bus port | |
| CN103107577B (en) | Battery management circuit and terminal | |
| CN105490319A (en) | Information processing method and electronic equipment | |
| CN106383565A (en) | Direct turn-on and turn-off circuit for direct-current power supply computer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |