CN106451615A - Electronic device and charging method thereof - Google Patents
Electronic device and charging method thereof Download PDFInfo
- Publication number
- CN106451615A CN106451615A CN201610852234.8A CN201610852234A CN106451615A CN 106451615 A CN106451615 A CN 106451615A CN 201610852234 A CN201610852234 A CN 201610852234A CN 106451615 A CN106451615 A CN 106451615A
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- Prior art keywords
- charger
- charging
- electronic installation
- port type
- agreement
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00045—Authentication, i.e. circuits for checking compatibility between one component, e.g. a battery or a battery charger, and another component, e.g. a power source
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses an electronic device, including a charging module, a CPU and an MCU. The charging module is used for connecting with a charger. The CPU is connected with the charging module and used for controlling the charging module to detect the port type of the charger and obtaining a charging current corresponding to the port type from the charger according to the port type of the charger, so as to charge the electronic device. The MCU is connected with the charging module. The MCU and the charging module are used for further detecting a special fast charging protocol supported by the charger when the charging module detects that the charger is a charger of a special charging port type, and for selecting a corresponding special fast charging protocol scheme to control the charger to charge the electronic device. The invention also provides a charging method. The invention is compatible with multiple fast charging protocols.
Description
Technical field
The present invention relates to rapid nitriding field, and in particular to a kind of electronic installation and its charging method.
Background technology
A kind of fast charge protocol generally only supported by the electronic installations such as existing mobile phone, for example, supports 2.0 agreement of QC
Mobile phone generally just do not support VOOC (Voltage Open Loop Multi-step Constant-Current
Charging, voltage open loop multistep constant-current charge) protocol scheme, i.e., can only arranging in pairs or groups, it is fast to support the charger of 2.0 agreement of QC to realize
Speed charges, it is impossible to which collocation supports that the charger of VOOC agreement carries out quick charge.The mobile phone of VOOC protocol scheme is supported generally
QC2.0 protocol scheme is not supported, i.e., can only be arranged in pairs or groups and support that quick charge realized by the charger of VOOC agreement, it is impossible to which collocation is supported
The charger of QC2.0 agreement carries out quick charge.Therefore, existing electronic installation is poor to the compatibility of charger.
Content of the invention
In view of the foregoing, it is necessary to provide a kind of can be while the compatible charger for supporting QC2.0 agreement and VOOC agreement
Electronic installation.
In addition, it is necessary to which a kind of charging method corresponding with above-mentioned electronic installation is provided.
A kind of electronic installation, the electronic installation includes：
Charging module, the charging module is used for connecting charger；
CPU (Central Processing Unit, central processing unit), the CPU is connected with the charging module, is used
In the port type of the charger for controlling the charging module detection to be connected, and the port class according to the charger
Type, obtains charging current corresponding with the port type from the charger, to be charged to the electronic installation；
The CPU is additionally operable to detect charger of the charger for special charging port type when the charging module
When, the first kind for controlling the charging module to detect that the charger is supported further fills agreement soon, and selects corresponding the
One class is filled protocol scheme soon and controls the charger to be charged the electronic installation, and the first kind fills agreement soon to be included
2.0 agreement of Quick Charge,；
MCU (Micro Controller Unit, micro-control unit), the MCU is connected with the charging module, described
MCU is used for, when the charging module detects the charger that the charger is special charging port type, controlling further
The charging module detects that the Equations of The Second Kind supported by the charger fills agreement soon, and selects corresponding Equations of The Second Kind to fill agreement side soon
Case controls the charger to be charged the Equations of The Second Kind and fill agreement soon including voltage open loop multistep constant current to the electronic installation
Charging VOOC agreement.
According to the preferred embodiment of the present invention, the port type of the charger also includes that standard down port, charging are descending
Port：
The charging module detect the charger for standard down port type charger when, the CPU from
The charger obtains the first charging current and the electronic installation is charged；
When the charging module detects the charger that the charger is charging downlink port type, the CPU from
The charger obtains the second charging current and the electronic installation is charged.
According to the preferred embodiment of the present invention, the electronic installation also includes power management module, the power management module
For detecting whether the charging module is connected with charger, and when the electronic installation is connected with the charger, described
CPU controls the charging module to detect the port type of the charger.
According to the preferred embodiment of the present invention, 1.2 agreement of charging module detection USB battery charging specifications, to complete electricity
The first time of sub-device and charger shakes hands.
According to the preferred embodiment of the present invention, when the charging module detects the charger for special charging port type
Charger, and be not detected by the first kind supported by the charger and fill agreement soon and when Equations of The Second Kind fills agreement soon, according to
5V charger type is charged to the electronic installation.
A kind of charging method, for controlling charger to be charged electronic installation, methods described includes：
Detect the port type of the charger；
According to the port type of the charger, corresponding charging current is obtained from the charger and the electronic installation is entered
Row charges；And
When detecting charger of the charger for special charging port type, and detect the charger and support the
When one class fills agreement soon, select the corresponding first kind to fill protocol scheme soon and control the charger to fill the electronic installation
Electricity；
When detecting charger of the charger for special charging port type, and detect the charger and support the
When two classes fill agreement soon, select corresponding Equations of The Second Kind to fill protocol scheme soon and control the charger to fill the electronic installation
Electricity, the first kind fills agreement soon includes 2.0 agreement of Quick Charge, and the Equations of The Second Kind fills agreement soon includes voltage open loop
Multistep constant-current charge VOOC agreement.
According to the preferred embodiment of the present invention, the port type of the charger also includes that standard down port, charging are descending
Port, methods described also includes：
When the charger that the charger is standard down port type is detected, first is obtained from the charger and fill
Electric current is charged to the electronic installation；
When the charger that the charger is charging downlink port type is detected, second is obtained from the charger and fill
Electric current is charged to the electronic installation.
According to the preferred embodiment of the present invention, whether the charging method also includes to detect the charging module of the electronic installation
It is connected with the charger, and when the electronic installation is connected with the charger, detects the port type of the charger.
According to the preferred embodiment of the present invention, methods described also includes：
1.2 agreement of detection USB battery charging specifications, was shaken hands with first time for completing electronic installation and charger.
According to the preferred embodiment of the present invention, methods described also includes：
When charger of the charger for special charging port type is detected, and the charger institute is not detected by
The first kind of support fills agreement and when Equations of The Second Kind fills agreement soon soon, according to 5V charger type, the electronic installation is filled
Electricity.
Compared to prior art, the electronic installation and its charging method can detect that the charging supported by the charger is assisted
View, and select corresponding charge protocol to be charged according to testing result so that electronic installation is compatible to support that the first kind is filled soon
Agreement and Equations of The Second Kind fill the charger of agreement soon, are user-friendly to, and lift Consumer's Experience.
Description of the drawings
It is the circuit diagram of the electronic installation of a preferred embodiment of the present invention shown in Fig. 1.
It is the flow chart of the method for the first preferred embodiment of the present invention shown in Fig. 2.
It is the flow chart of the method for the second preferred embodiment of the present invention shown in Fig. 3.
Main element symbol description
Electronic installation 100
Charging module 10
CPU 30
MCU 50
Power management module 70
Charger 200
Adapter 201
Power pins VBUS
Grounding pin GND
Data pin USB_D+, USB_D-
First resistor R1
Second resistance R2
3rd resistor R3
4th resistance R4
Following specific embodiment will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
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 purged, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.
Based on the embodiment in the present invention, those of ordinary skill in the art institute on the premise of creative work is not made
The every other embodiment for obtaining, belongs to the scope of protection of the invention.
With reference to shown in Fig. 1, it is the circuit diagram of the electronic installation 100 of present pre-ferred embodiments.The electronic installation 100 is wrapped
Include charging module 10, CPU (Central Processing Unit, central processing unit) 30 and MCU (Micro Controller
Unit, micro-control unit) 50.The electronic installation 100 can be connected with charger 200, to be charged.The charger 200
Including adapter 201.The adapter 201 can be USB connector, and the adapter 201 includes voltage pin VBUS, ground connection
Pin GND, data pin USB_D+ (D+) and USB_D- (D-).
The charging module 10 is used for being connected with charger 200, the charging module 10 and VBUS pin, grounding pin
GND is joined directly together, and is connected with data pin USB_D+ through first resistor R1, and through second resistance R2 and data pin USB_D-
It is connected.
The CPU30 is connected with the charging module 10, for control the charging module 10 detection connected described in
The port type of charger 200, and the port type according to the charger 200, control the charger 200 to electronic installation
100 charging scheme.Specifically, CPU30 obtains charging current corresponding with the port type from the charger 200, with
The electronic installation 100 is charged.
In this preferred embodiment, the port type of the charger 200 includes SDP (Standard Downstream
Port, standard down port), CDP (Charging Downstream Port, charging downlink port) and DCP
(Dedicated Charging Port, special charging port).If the charging module 10 detects the charger 200
For SDP type, then the first charging current is obtained from the charger 200 and the electronic installation is charged, if described fill
Electric module 10 detects the charger 200 for CDP type, then obtain the second charging current to described from the charger 200
Electronic installation is charged.In this preferred embodiment, first charging current is about the charging electricity of 500mA for maximum current
Stream, second charging current is about the charging current of 900mA for maximum current.
If the charging module 10 detects charger of the charger 200 for DCP type, the CPU 30 controls
The charging module 10 detects whether the charger 200 supports that the first kind fills agreement soon further, if the charger 200
Support that the first kind fills agreement soon, then select the corresponding first kind to fill protocol scheme soon and the electronic installation 100 is charged.
The MCU50 is connected with the charging module 10 with the 4th resistance R4 through 3rd resistor R3, and the MCU50 is used for
When the charging module 10 detects the charger that the charger 200 is DCP type, detect whether the charger 200 props up
Hold Equations of The Second Kind and fill agreement soon, if the charger 200 supports that Equations of The Second Kind fills agreement soon, select corresponding Equations of The Second Kind to fill association soon
View scheme is charged to the electronic installation 100.In other embodiments, it is also possible to which the charging is controlled by the CPU30
Module 10 detects whether the charger 200 supports that Equations of The Second Kind fills agreement soon further.
In this preferred embodiment, the first kind fills agreement soon includes 2.0 agreement of Quick Charge, described second
Class fills agreement soon includes VOOC (Voltage Open Loop Multi-step Constant-Current Charging, electricity
Press off ring multistep constant-current charge) agreement.The CPU 30 specifically detects that the first kind supported by the charger 200 fills agreement soon
And the MCU 50 specifically detect that Equations of The Second Kind that the charger 200 is supported fills the method for agreement soon will be in such as Fig. 2, Fig. 3
Specifically describe in detail in the better embodiment of the shown present invention.
In another preferred embodiment of the present invention, the electronic installation 100 also includes power management module 70, the electricity
Source control module 70 is used for detecting whether the electronic installation 100 is connected with the charger 200, if the charging module 10
It is connected with the charger 200, then the charging module 10 detects the port type of the charger 200, if the charging
Module 10 is not connected with the charger 200, then the power management module 70 is then with predeterminated frequency duplicate detection, until detection
It is connected to the charger 200 with the electronic installation 100.
With reference to shown in Fig. 2, the flow chart of first better embodiment of charging method of the present invention.The charging method include with
Lower step.The better embodiment is also presently preferred embodiments of the present invention.According to different demands, flow chart shown in the figure
In execution sequence can change, some can omit.
Step 300, the power management module 70 detects whether the charging module 10 is connected with the charger 200,
If detecting the electronic installation 100 to be connected with charger 200, step 301 is entered, if being not detected by electronics dress
Put 100 to be connected with charger 200, then repeating said steps.
Step 301, the CPU 30 controls the charging module 10 to detect 1.2 agreement (abbreviation BC of USB battery charging specifications
1.2), shaken hands with first time for completing electronic installation 100 and charger 200..
Step 302, the CPU 30 controls the charging module 10 to detect whether connected charger 200 is SDP class
The charger 200 of type, if detecting the charger that connected charger 200 is SDP type, enters step 303, if
The charger that connected charger 200 is not SDP type is detected, then enters step 304.
In one embodiment of the invention, after electronic installation 100 is connected to charger 200, if charging module 10 is examined
When D+, D- signal for measuring electronic installation is low level, it is determined that the equipment for being connect is SDP type charger.
Step 303, the CPU 30 controls the charging module 10 to obtain the first charging current to described from charger 200
Electronic installation 100 is charged.In this preferred embodiment, first charging current is about filling for 500mA for maximum current
Electric current.
Step 304, the CPU 30 controls the charging module 10 to detect whether connected charger 200 is CDP class
The charger 200 of type, if detecting the charger that connected charger 200 is CDP type, enters step 305, if
The charger that connected charger 200 is not CDP type is detected, then enters step 306.
In one embodiment of the invention, when electronic installation 100 is connected to a charger, then electronics dress is opened
The D- signal for putting pull-up power supply VDM_SRC of 100 D- signal, i.e. electronic installation 100 is high level, disconnects electronic installation 100
D+ signal pull-up power supply VDP_SRC, open the pull-down current source IDP_SINK of the D+ signal of electronic installation 100, now electricity
The D+ signal of sub-device 100 will become low level, then can judge charger of the connected charger as CDP type accordingly.
Step 305, the CPU 30 controls the charging module 10 to obtain the second charging current to described from charger 200
Electronic installation 100 is charged.In this preferred embodiment, second charging current is about filling for 900mA for maximum current
Electric current.
Step 306, the CPU 30 controls the charging module 10 to detect whether connected charger 200 is DCP class
The charger of type, if detecting the charger 200 that connected charger 200 is DCP type, enters step 307, if
The charger that connected charger 200 is not DCP type is detected, then enters step 308.
In one embodiment of the invention, when electronic installation 100 is connected to a charger, then electronics dress is opened
The D- signal for putting pull-up power supply VDM_SRC of 100 D- signal, i.e. electronic installation 100 is high level, disconnects electronic installation 100
D+ signal pull-up power supply VDP_SRC, open the pull-down current source IDP_SINK of the D+ signal of electronic installation 100, now electricity
The D+ signal of sub-device 100 will become high level, now, judge charger of the connected charger as DCP type accordingly.
Step 307, the CPU 30 controls the charging module 10 to set from the 3rd charging current pair of acquisition of charger 200
The electronic installation 100 is charged.In this preferred embodiment, the 3rd charging current is about 500mA for maximum current
Charging current.
Step 308, the CPU 30 controls the charging module 10 to detect whether the charger 200 supports that QC2.0 is assisted
View, if QC2.0 agreement supported by the charger 200, enters step 309, if QC2.0 do not supported by the charger 200
Agreement, then enter step 310.
In one embodiment of the invention, electronic installation 100 is detected according to USB BC1.2 regulation enforcement, when detecting
During the charger 200 of DCP type, electronic installation 100 opens pull-up power supply VDP_SRC in its D+.Charger 200 detects D+
On output voltage and guarantee the output voltage on D+ higher than the first decision level VDAT_REF being less than in the duration of a second
Second decision level VSEL_REF.After one second, D+ is opened a way with D- and connects pull down resistor Rdm_dwn by charger 200.If
D- remains low, then QC2.0 protocol specification do not supported by electronic installation 100.If D- remains height, electronic installation 100
Hold QC2.0 agreement.
Step 309, the CPU 30 controls the charging module 10 using QC2.0 protocol scheme to the electronic installation
100 are charged.
Step 310, the MCU 50 detects whether the charger 200 supports VOOC agreement, if the charger 200
VOOC agreement is supported, then step 311 is entered, if QC2.0 agreement do not supported by the charger 200, enter step 312.
In one embodiment of the invention, charging module 10 passes through to detect the D+ signal of adapter 201, and D- signal comes
Judge the agreement of VOOC, wherein D+ is used for the CLK data of handshake to be transmitted, D- is used for transmitting the DATA data of handshake.
Step 311, the MCU 50 is charged to the electronic installation 100 using VOOC protocol scheme.
Step 312, the CPU 30 controls the charging module 10 to carry out normal charge according to common 5V charger type.
It is understood that as shown in figure 3, in the second better embodiment of the present invention, being judged as YES in step 306
When, execution step 310.When step 310 is judged as YES, execution step 311；When step 310 is judged as NO, execution step
308.When step 308 is judged as YES, execution step 309；When step 308 is judged as NO, execution step 312.Other steps and Fig. 2
Identical, repeat no more.
What the electronic installation 100 of the present invention and its charging method can detect that the charger 200 is supported special fills soon
Electric agreement, and select the corresponding special charge protocol that fills soon to be charged according to testing result so that electronic installation 100 is compatible
Support that the first kind fills the charger 200 that agreement, Equations of The Second Kind fill agreement soon soon, be user-friendly to, lift Consumer's Experience.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of spirit or essential attributes without departing substantially from the present invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as and limit involved claim.This
Outward, it is clear that " including ", a word was not excluded for other units or, odd number is not excluded for plural number.The multiple units that states in system claims
Or device can also be realized by software or hardware by a unit or device.The first, the second grade word is used for representing name
Claim, and be not offered as any specific order.
Finally it should be noted that above example is only in order to illustrate technical scheme and unrestricted, although reference
Preferred embodiment has been described in detail to the present invention, it will be understood by those within the art that, can be to the present invention's
Technical scheme is modified or equivalent, without deviating from the spirit and scope of technical solution of the present invention.
Claims (10)
1. a kind of electronic installation, it is characterised in that the electronic installation includes：
Charging module, the charging module is used for connecting charger；
CPU (Central Processing Unit, central processing unit), the CPU is connected with the charging module, for controlling
The port type of the charger connected by charging module detection, and the port type according to the charger is made, from
The charger obtains charging current corresponding with the port type, to be charged to the electronic installation；
The CPU is additionally operable to when the charging module detects the charger that the charger is special charging port type,
The first kind for controlling the charging module to detect that the charger is supported fills agreement soon, and selects the corresponding first kind to fill association soon
View scheme controls the charger to be charged the electronic installation, and the first kind fills agreement soon includes Quick Charge
2.0 agreement；
MCU (Micro Controller Unit, micro-control unit), the MCU is connected with the charging module, and the MCU is used
In when the charging module detects the charger that the charger is special charging port type, control the charging module
Detect that Equations of The Second Kind that the charger is supported fills agreement soon, and select corresponding Equations of The Second Kind to fill soon and fill described in protocol scheme control
Electrical equipment is charged to the electronic installation, and the Equations of The Second Kind fills agreement soon includes that voltage open loop multistep constant-current charge VOOC is assisted
View.
2. electronic installation as claimed in claim 1, it is characterised in that the port type of the charger also includes standard down
Port, charging downlink port：
The charging module detect the charger for standard down port type charger when, the CPU is from described
Charger obtains the first charging current and the electronic installation is charged；
When the charging module detects the charger that the charger is charging downlink port type, the CPU is from described
Charger obtains the second charging current and the electronic installation is charged.
3. electronic installation as claimed in claim 1, it is characterised in that the electronic installation also includes power management module, institute
Power management module is stated for detecting whether the charging module is connected with charger, and in the electronic installation and the charging
When device is connected, the CPU controls the charging module to detect the port type of the charger.
4. electronic installation as claimed in claim 1, it is characterised in that the charging module detection USB battery charging specifications 1.2
Agreement, was shaken hands with first time for completing electronic installation and charger.
5. electronic installation as claimed in claim 1, it is characterised in that be special when the charging module detects the charger
With the charger of charging port type, and it is not detected by that the first kind supported by the charger fills agreement soon and Equations of The Second Kind is fast
When filling agreement, according to 5V charger type, the electronic installation is charged.
6. a kind of charging method, for controlling charger to be charged electronic installation, it is characterised in that methods described includes：
Detect the port type of the charger；
According to the port type of the charger, corresponding charging current is obtained from the charger and the electronic installation is filled
Electricity；And
When detect the charger for special charging port type charger, and detect the charger support the first kind
When filling agreement soon, select the corresponding first kind to fill protocol scheme soon and control the charger that the electronic installation is charged,
The first kind fills agreement soon includes 2.0 agreement of Quick Charge；
When detect the charger for special charging port type charger, and detect the charger support Equations of The Second Kind
When filling agreement soon, select corresponding Equations of The Second Kind to fill protocol scheme soon and control the charger that the electronic installation is charged,
The Equations of The Second Kind fills agreement soon includes voltage open loop multistep constant-current charge VOOC agreement.
7. charging method as claimed in claim 6, it is characterised in that the port type of the charger also includes standard down
Port, charging downlink port, methods described also includes：
When the charger that the charger is standard down port type is detected, the first charging electricity is obtained from the charger
Stream is charged to the electronic installation；
When the charger that the charger is charging downlink port type is detected, the second charging electricity is obtained from the charger
Stream is charged to the electronic installation.
8. charging method as claimed in claim 6, it is characterised in that methods described also includes to detect filling for the electronic installation
Whether electric module is connected with the charger, and when the electronic installation is connected with the charger, detects the charger
Port type.
9. charging method as claimed in claim 6, it is characterised in that methods described also includes：
1.2 agreement of detection USB battery charging specifications, was shaken hands with first time for completing electronic installation and charger.
10. charging method as claimed in claim 6, it is characterised in that methods described also includes：
When charger of the charger for special charging port type is detected, and it is not detected by the charger and is supported
The first kind fill agreement soon and when Equations of The Second Kind fills agreement soon, according to 5V charger type, the electronic installation is charged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610852234.8A CN106451615A (en) | 2016-09-26 | 2016-09-26 | Electronic device and charging method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610852234.8A CN106451615A (en) | 2016-09-26 | 2016-09-26 | Electronic device and charging method thereof |
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| CN106451615A true CN106451615A (en) | 2017-02-22 |
Family
ID=58169689
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| CN201610852234.8A Pending CN106451615A (en) | 2016-09-26 | 2016-09-26 | Electronic device and charging method thereof |
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Application publication date: 20170222 |