CN206673670U - A kind of adaptive charging control circuit - Google Patents
A kind of adaptive charging control circuit Download PDFInfo
- Publication number
- CN206673670U CN206673670U CN201720495130.6U CN201720495130U CN206673670U CN 206673670 U CN206673670 U CN 206673670U CN 201720495130 U CN201720495130 U CN 201720495130U CN 206673670 U CN206673670 U CN 206673670U
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- Prior art keywords
- pin
- control
- charging
- chip
- interface
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of adaptive charging control circuit, including for controlling the control module of charging, control module electrically connects with the first control interface for connecting charging module；First control interface also electrically connects with the charging inlet for charging；Also include power supply module；The output of power supply module electrically connects with control module；The input of power supply module electrically connects with the first control interface and the charging inlet；Due to being controlled using control module by charge control interface to charging module；The purpose for enabling general-purpose interface to charge some electronic equipments is reached.
Description
Technical field
The utility model belongs to electronic device field, more particularly to a kind of adaptive charging control circuit.
Background technology
Constantly expand with the market of electronic equipment, quick charge (QuickCharge, abbreviation fast charge) technology is also constantly fast
Hail exhibition；Currently a popular fast charge agreement mainly has QC2.0 and QC3.0；General charging inlet is all to use general-purpose interface (such as
USB interface) electronic equipment (such as mobile phone, mp3, mp4) charged；But to some electronic equipments (such as notebook computer)
Charging it is general or the charger that is carried with it is charged, it is impossible to general-purpose interface (such as USB interface) come to these electricity
Sub- equipment is charged, and this will make troubles to use.
Utility model content
In view of this, the utility model provides a kind of adaptive charging control circuit, to solve some electricity in the prior art
The problem of sub- equipment can not be charged with general-purpose interface.
The utility model is achieved in that a kind of adaptive charging control circuit, including for controlling the control mould of charging
Block, the control module electrically connect with the first control interface for connecting charging module；First control interface also with
Electrically connected in the charging inlet of charging；Also include power supply module；The output of the power supply module electrically connects with the control module；
The input of the power supply module electrically connects with first control interface and the charging inlet.
Further, it is additionally provided with the second control interface for extending electric current；Second control interface and described first
Control interface is in parallel.
Further, the power supply module includes voltage stabilizing chip, the first pin and the charging of the voltage stabilizing chip
The positive pole electrical connection of mouth；The negative pole of the charging inlet is with being electrically connected to ground；The second pin of the voltage stabilizing chip and ground wire electricity
Connection；3rd pin of the voltage stabilizing chip electrically connects with the first pin of the voltage stabilizing chip；The 5th of the voltage stabilizing chip
Pin electrically connects with the control module；One end of first pin of the voltage stabilizing chip and the first electric capacity for filtering is electrically connected
Connect；The other end of first electric capacity is with being electrically connected to ground.
Further, in addition to the second electric capacity for filtering, one end of second electric capacity and the voltage stabilizing chip
5th pin electrically connects；The other end of second electric capacity is with being electrically connected to ground.
Further, the control module includes control chip；5th pin of the control chip and the voltage stabilizing core
The 5th pin electrical connection of piece；The second pin of the control chip is with being electrically connected to ground；First pin of the control chip
Electrically connected with the 3rd pin with first control interface.
Further, the 4th pin of the control chip passes through the 5th resistance and the first pin of voltage stabilizing chip electricity
Connection；The one end of 4th pin of the control chip also with the 6th resistance for partial pressure electrically connects；6th resistance
The other end is with being electrically connected to ground；It is additionally provided between the first pin of the control chip and the 5th pin of the voltage stabilizing chip
First resistor for upper pull-up voltage.
Further, in addition to for filter the 3rd electric capacity；One end of 3rd electric capacity and the control chip
Second pin electrically connects；The other end of 3rd electric capacity is with being electrically connected to ground.
Further, first control interface is USB interface；First pin of first control interface with it is described steady
Press the first pin electrical connection of chip；The second pin of first control interface passes through the 4th resistance and the control chip
3rd pin electrically connects；3rd pin of first control interface passes through 3rd resistor and the first pin of the control chip
Electrical connection；4th pin of first control interface is with being electrically connected to ground.
Further, second control interface is USB interface；First pin of second control interface, second are drawn
The first pin with first control interface, second pin, the 3rd pin, the 4th draw respectively for pin, the 3rd pin, the 4th pin
Pin electrically connects.
Further, the charging inlet is the charging inlet of notebook computer.
In adaptive charging control circuit provided by the utility model, due to passing through charge control interface using control module
Charging module is controlled；The purpose for enabling general-purpose interface to charge some electronic equipments is reached.
Brief description of the drawings
Fig. 1 is the block diagram of the first adaptive charging control circuit provided by the utility model.
Fig. 2 is the block diagram of second of adaptive charging control circuit provided by the utility model.
Fig. 3 is the circuit theory schematic diagram of adaptive charging control circuit provided by the utility model.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Mode, the utility model is further elaborated.It should be appreciated that embodiment described herein only to
The utility model is explained, is not used to limit the utility model.
The utility model provides a kind of adaptive charging control circuit, including for controlling the control module of charging, the control
Molding block electrically connects with the first control interface for connecting charging module；First control interface also with filling for charging
Electrical interface electrically connects；Also include power supply module；The output of the power supply module electrically connects with the control module；The power supply mould
The input of block electrically connects with first control interface and the charging inlet.
In adaptive charging control circuit provided by the utility model, due to passing through charge control interface using control module
Charging module is controlled；The purpose for enabling general-purpose interface to charge some electronic equipments is reached.
Realization of the present utility model is described in detail below in conjunction with embodiment.
As shown in Figure 1, Figure 2, Figure 3 shows, it is a kind of adaptive charging control circuit provided by the utility model, including for controlling
The control module of charging, control module electrically connect with the first control interface for connecting charging module；First control interface is also
Electrically connected with the charging inlet for charging；Also include power supply module；The output of power supply module electrically connects with control module；Power supply
The input of module electrically connects with the first control interface and charging inlet；In actual circuit, the other end of the first control interface with
The control terminal of charging module is connected, and charging module can be thus controlled according to agreement, charging module is exported needs
Voltage and current, to ensure the realization of fast charge；Charging module (such as DC-DC module) is arranged on the outer of the first control interface
Portion, shown in dotted line as shown in Figure 1, Figure 2；After the first control interface is connected with charging module, control module can be according in advance
Programming setting sends control signal to charging module；Charging module can thus be made by being set for exporting；The voltage of output or
Electric current is sent out again by the first control interface, it is of course possible to is sent out according to actual using other interfaces；And send out voltage or
Electric current is powered to power supply module again, and the output of power supply module provides power supply to control module again, so ensures that control mould
Block has electricity and normal work, while provides electric energy to charging inlet by the first control interface, and charging inlet connects to needs
The electronic equipment of charging；Thus can be by programming control module to realize the control to charging module, and make charging mould
Block is adapted to electronic equipment；The program of write-in can be according to actually determining, such as can be QC2.0 and QC3.0 etc., thus reaches
To the purpose for enabling the first general control interface to charge the electronic equipment of needs.
Further, it is additionally provided with the second control interface for extending electric current；Second control interface and the first control interface
It is in parallel；Because the electric current of in general general-purpose interface is smaller, in order to meet the requirement of charging current, multiple general connect can be used
Mouth method in parallel, makes charging current reach protocol requirement.
Further, power supply module includes voltage stabilizing chip U1, and voltage stabilizing chip U1 the first pin is with charging inlet RA01's
Positive pole electrically connects；Charging inlet RA01 negative pole is with being electrically connected to ground；Voltage stabilizing chip U1 second pin is with being electrically connected to ground；Surely
Pressure chip U1 the 3rd pin electrically connects with voltage stabilizing chip U1 the first pin；Voltage stabilizing chip U1 the 5th pin and control module
Electrical connection；Voltage stabilizing chip U1 the first pin electrically connects with one end of the first electric capacity C1 for filtering；First electric capacity C1's is another
One end is with being electrically connected to ground；In practice, voltage stabilizing chip U1 uses LDO (low dropout regulator low pressure difference linearity voltage stabilizings
Device)；It inputs the output from charging module (such as DC-DC)；It is exported for being powered to control chip, thus
The work of control chip can be ensured；Voltage stabilizing chip U1 the 3rd pin is Enable Pin, when it is high level, voltage stabilizing chip U1 works
Make；It is in order that voltage stabilizing chip U1 input removes noise wave removing and noise to access the first electric capacity C1.
Further, the of one end and the voltage stabilizing chip U1 of the second electric capacity C2, the second electric capacity C2 for filtering is included
Five pins electrically connect；The second electric capacity C2 other end is with being electrically connected to ground；It is in order that voltage stabilizing chip U1 to access the second electric capacity C2
Output end remove noise wave removing and noise.
Further, control module includes control chip U2；The of control chip U2 the 5th pin and voltage stabilizing chip U1
Five pins electrically connect；Control chip U2 second pin is with being electrically connected to ground；Control chip U2 the first pin and the 3rd pin
Electrically connected with the first control interface；Control chip U2 the first pin and the 3rd pin exports certain voltage according to programming；
During QC2.0 and QC3.0, output is 3.3V between control chip U2 the first pin and the 3rd pin, and now DC-DC can be exported
20V voltage；Control chip U2 the first pin can change according to being programmed in the range of 0-5V, equally, control chip U2
The 3rd pin can also change according to being programmed in the range of 0-5V；Thus can be according to being actually needed change control chip
The voltage exported between U2 the first pin and the 3rd pin, and then the purpose of charging module output is controlled, thus may be used
So that charging module is adapted with electronic equipment；In practice, control chip U2 using the single-chip microcomputer of programmable I/O types come real
It is existing.
Further, control chip U2 the 4th pin is electrically connected by the 5th resistance R5 and voltage stabilizing chip U1 the first pin
Connect；The one end of control chip U2 the 4th pin also with the 6th resistance R6 for partial pressure electrically connects；6th resistance R6's is another
Hold and be electrically connected to ground；It is additionally provided between control chip U2 the first pin and voltage stabilizing chip U1 the 5th pin for pulling up
The first resistor R1 of voltage；Charging voltage feeds back to the of control chip U2 by the 5th resistance R5 and the 6th resistance R6 partial pressure
Four pins；The first resistor R1 of pull-up is by control chip U2 the first pin clamper to high level；And the work of current limliting is played simultaneously
With；So ensure that the level of threeth pin of the level higher than control chip U2 of control chip U2 the first pin；This
Sample is with regard to that can make program prepared in advance reliably meet protocol requirement.
Further, in addition to for filter the 3rd electric capacity C3；The of 3rd electric capacity C3 one end and control chip U2
Two pins electrically connect；The 3rd electric capacity C3 other end is with being electrically connected to ground；It is in order that control chip U2 to access the 3rd electric capacity C3
Input remove noise wave removing and noise.
Further, the first control interface is USB interface；The of first pin of the first control interface and voltage stabilizing chip U1
One pin electrically connects；The second pin of first control interface is electrically connected by the 4th resistance R4 and control chip U2 the 3rd pin
Connect；3rd pin of the first control interface is electrically connected by 3rd resistor R3 with control chip U2 the first pin；First control
4th pin of interface is with being electrically connected to ground；In practice, in general charging general-purpose interface is all USB interface；So the design
Also using USB interface as the first control interface, it is of course possible to flexibly change interface type according to actual；First control interface
First pin and the 4th pin are connected to DC-DC output；And the second pin of the first control interface and the 3rd pin are connected to DC-DC
Input；Electronic equipment can thus be charged by the first pin and the 4th pin of the first control interface.
Further, the second control interface is USB interface；First pin of the second control interface, second pin, the 3rd draw
The first pin with the first control interface, second pin, the 3rd pin, the 4th pin electrically connect respectively for pin, the 4th pin；This is
Because when charging current is big, the electric current too conference that a USB interface is born burns out interface；Therefore just with 2 interfaces come
Shunting；In practice, there is 3A to the charging current of notebook computer, thus can share 1.5A's on a USB interface
Electric current；So ensure that the service life of USB interface.
Further, charging inlet RA01 is the charging inlet of notebook computer；Using above-mentioned method, the design can reach
To the purpose to be charged with USB interface to notebook computer.
In a word, the utility model by charge control interface using control module to charging module due to being controlled；Reach
To the purpose for enabling general-purpose interface to charge some electronic equipments.
The foregoing is only better embodiment of the present utility model, not to limit the utility model, it is all
All any modification, equivalent and improvement made within the spirit and principles of the utility model etc., it is new to should be included in this practicality
Within the protection domain of type.
Claims (10)
1. a kind of adaptive charging control circuit, it is characterised in that including the control module for controlling charging, the control module
Electrically connected with the first control interface for being connected charging module；First control interface also with the charging inlet for charging
Electrical connection；Also include power supply module；The output of the power supply module electrically connects with the control module；The power supply module it is defeated
Enter and electrically connected with first control interface and the charging inlet.
2. adaptive charging control circuit as claimed in claim 1, it is characterised in that be additionally provided with the second control for extending electric current
Interface processed；Second control interface is in parallel with first control interface.
3. adaptive charging control circuit as claimed in claim 2, it is characterised in that the power supply module includes voltage stabilizing chip,
First pin of the voltage stabilizing chip electrically connects with the positive pole of the charging inlet；The negative pole of the charging inlet is electrically connected with ground wire
Connect；The second pin of the voltage stabilizing chip is with being electrically connected to ground；3rd pin of the voltage stabilizing chip and the voltage stabilizing chip
First pin electrically connects；5th pin of the voltage stabilizing chip electrically connects with the control module；The first of the voltage stabilizing chip
Pin electrically connects with one end of the first electric capacity for filtering；The other end of first electric capacity is with being electrically connected to ground.
4. adaptive charging control circuit as claimed in claim 3, it is characterised in that also include the second electric capacity for filtering,
One end of second electric capacity electrically connects with the 5th pin of the voltage stabilizing chip；The other end of second electric capacity and ground wire electricity
Connection.
5. adaptive charging control circuit as claimed in claim 4, it is characterised in that：The control module includes control chip；
5th pin of the control chip electrically connects with the 5th pin of the voltage stabilizing chip；The second pin of the control chip with
It is electrically connected to ground；The first pin and the 3rd pin of the control chip electrically connect with first control interface.
6. adaptive charging control circuit as claimed in claim 5, it is characterised in that：4th pin of the control chip passes through
5th resistance electrically connects with the first pin of the voltage stabilizing chip；4th pin of the control chip also with for partial pressure
One end electrical connection of six resistance；The other end of 6th resistance is with being electrically connected to ground；In the first pin of the control chip
The first resistor for upper pull-up voltage is additionally provided between the 5th pin of the voltage stabilizing chip.
7. adaptive charging control circuit as claimed in claim 6, it is characterised in that：Also include the 3rd electric capacity for filtering；
One end of 3rd electric capacity electrically connects with the second pin of the control chip；The other end of 3rd electric capacity and ground wire electricity
Connection.
8. adaptive charging control circuit as claimed in claim 7, it is characterised in that：First control interface is USB interface；
First pin of first control interface electrically connects with the first pin of the voltage stabilizing chip；The of first control interface
Two pins are electrically connected by the 4th resistance with the 3rd pin of the control chip；3rd pin of first control interface leads to
3rd resistor is crossed to electrically connect with the first pin of the control chip；4th pin of first control interface is electrically connected with ground wire
Connect.
9. adaptive charging control circuit as claimed in claim 8, it is characterised in that：Second control interface is USB interface；
First pin of second control interface, second pin, the 3rd pin, the 4th pin respectively with first control interface
First pin, second pin, the 3rd pin, the electrical connection of the 4th pin.
10. adaptive charging control circuit as claimed in claim 9, it is characterised in that：The charging inlet is notebook computer
Charging inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720495130.6U CN206673670U (en) | 2017-05-06 | 2017-05-06 | A kind of adaptive charging control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720495130.6U CN206673670U (en) | 2017-05-06 | 2017-05-06 | A kind of adaptive charging control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206673670U true CN206673670U (en) | 2017-11-24 |
Family
ID=60370752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720495130.6U Expired - Fee Related CN206673670U (en) | 2017-05-06 | 2017-05-06 | A kind of adaptive charging control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206673670U (en) |
-
2017
- 2017-05-06 CN CN201720495130.6U patent/CN206673670U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20171124 |