CN106300547A - Charger baby output voltage stabilizing circuit - Google Patents
Charger baby output voltage stabilizing circuit Download PDFInfo
- Publication number
- CN106300547A CN106300547A CN201610848695.8A CN201610848695A CN106300547A CN 106300547 A CN106300547 A CN 106300547A CN 201610848695 A CN201610848695 A CN 201610848695A CN 106300547 A CN106300547 A CN 106300547A
- Authority
- CN
- China
- Prior art keywords
- concussion
- charger baby
- resistance
- effect transistor
- field effect
- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention relates to a kind of charger baby output voltage stabilizing circuit, including USB output interface, described USB output interface includes power supply output pin and lower margin；It is provided with the first electric capacity of voltage regulation between described power supply output pin and lower margin；Described ground end has been also coupled to N-channel enhancement mode field effect transistor, is in series with the first equalizing resistance between grid and the ground end of described N-channel enhancement mode field effect transistor；It has been also coupled to the second equalizing resistance between drain electrode and the described ground end of described N-channel enhancement mode field effect transistor；The source electrode of described N-channel enhancement mode field effect transistor is coupled with oscillating circuit, and described oscillating circuit is held with being further coupled to.One can play a preferable voltage regulation result, the voltage of output is compensated between ground end and lower margin by two, and load is compensated by compensation way by the output electric current of enhancement mode N-channel field effect transistor, when charging, if there is fluctuation in load, and in the case of drain voltage is constant, electric current can be held by lower margin and realize current balance with being diverted to, it is ensured that charging voltage is relatively stable.
Description
Technical field
The present invention relates to mobile charging technical field, in particular, relate to a kind of charger baby output voltage stabilizing circuit.
Background technology
Charger baby (Charger Baby) refers to can be directly to charging of mobile devices and the dress self with charge storage unit
Put.The main category of existing market has charger baby and the multifunctionality charger baby aiming at iPhone configuration, even if iPhone is special,
The standard the most all configured USB output, substantially can meet the common mobile device mobile phone of existing market, MP3, MP4, PDA,
The multiple digital products such as PSP, bluetooth earphone, digital camera, there is some problems in existing charger baby, connects especially for filling soon
For the circuit of mouth, output voltage is the most important, and core current unstability is just very easy to cause output voltage unstability
Phenomenon.
Summary of the invention
In view of this, it is an object of the present invention to provide charger baby output voltage stabilizing circuit.
In order to solve above-mentioned technical problem, the technical scheme is that a kind of charger baby output voltage stabilizing circuit, including
USB output interface, described USB output interface includes power supply output pin and lower margin；
It is provided with the first electric capacity of voltage regulation between described power supply output pin and lower margin；
Described ground end has been also coupled to N-channel enhancement mode field effect transistor, the grid of described N-channel enhancement mode field effect transistor and ground end it
Between be in series with the first equalizing resistance；
It has been also coupled to the second equalizing resistance between drain electrode and the described ground end of described N-channel enhancement mode field effect transistor；
The source electrode of described N-channel enhancement mode field effect transistor is coupled with oscillating circuit, and described oscillating circuit is held with being further coupled to.
Further, described second equalizing resistance has been also coupled to the 3rd equalizing resistance, described 3rd equalizing resistance and second
The second electric capacity of voltage regulation it has been also coupled between equalizing resistance.
Further, described oscillating circuit includes
First concussion unit, one end couples the source electrode of described N-channel enhancement mode field effect transistor；
Second concussion unit, couples between the other end and the described power supply output pin of described first concussion unit；
NPN manages, and its base stage couples the second concussion unit and first and shakes the node that unit couples, its grounded emitter, its current collection
Pole forms controlled terminal；
4th equalizing resistance, couples base stage and the emitter stage of described NPN pipe.
Further, described first concussion unit includes the first concussion resistance and the first concussion electric capacity being arranged in parallel.
Further, described second concussion unit includes the second concussion resistance and the second concussion electric capacity being arranged in parallel.
Further, the model of described NPN pipe is S8050.
Further, described first voltage sharing resistance value is 10K ohm.
Further, the resistance of described 3rd equalizing resistance is 1K ohm.
Further, described second voltage sharing resistance value is 0.02 ohm, and the capacity of described second electric capacity of voltage regulation is 0.01
Microfarad.
The technology of the present invention effect major embodiment is in the following areas: by so arranging, and one can play one preferably
Voltage regulation result, the voltage of output is compensated between ground end and lower margin by two, and compensation way is by enhancement mode N-channel field
Load is compensated by the output electric current of effect pipe, when charging, if fluctuating occurs in load, and the situation that drain voltage is constant
Under, electric current can be held by lower margin and realize current balance with being diverted to, it is ensured that charging voltage is relatively stable.
Accompanying drawing explanation
Fig. 1: charger baby output voltage stabilizing circuit schematic diagram of the present invention.
Reference: C16, the first electric capacity of voltage regulation；C28, the second electric capacity of voltage regulation；R28, the first equalizing resistance；R25, second
Equalizing resistance；R24, the 3rd equalizing resistance；R31, the first concussion resistance；R32, the second concussion resistance；C23, the first concussion electric capacity；
C22, the second concussion electric capacity；R29, the 4th equalizing resistance；Q11, NPN manage.
Detailed description of the invention
Below in conjunction with accompanying drawing, the detailed description of the invention of the present invention is described in further detail, so that technical solution of the present invention is more
Should be readily appreciated that and grasp.
A kind of charger baby output voltage stabilizing circuit, including
USB output interface, described USB output interface includes power supply output pin and lower margin；
The first electric capacity of voltage regulation C16 it is provided with between described power supply output pin and lower margin；
Described ground end has been also coupled to N-channel enhancement mode field effect transistor, the grid of described N-channel enhancement mode field effect transistor and ground end it
Between be in series with the first equalizing resistance R28；
It has been also coupled to the second equalizing resistance R25 between drain electrode and the described ground end of described N-channel enhancement mode field effect transistor；
The source electrode of described N-channel enhancement mode field effect transistor is coupled with oscillating circuit, and described oscillating circuit is held with being further coupled to.
Described second equalizing resistance R25 has been also coupled to the 3rd equalizing resistance R24, described 3rd equalizing resistance R24 and second
The second electric capacity of voltage regulation C28 it has been also coupled between equalizing resistance R25.Described oscillating circuit includes the first concussion unit, and one end couples
The source electrode of described N-channel enhancement mode field effect transistor；Second concussion unit, couples the other end of described first concussion unit with described
Between power supply output pin；NPN pipe Q11, its base stage couples the second concussion unit and first and shakes the node that unit couples, and it is launched
Pole ground connection, its colelctor electrode forms controlled terminal；4th equalizing resistance R29, couples base stage and the emitter stage of described NPN pipe Q11.
Described first concussion unit includes the first concussion resistance R31 and the first concussion electric capacity C23 being arranged in parallel.Described
Two concussion unit include the second concussion resistance R32 and the second concussion electric capacity C22 being arranged in parallel.The model of described NPN pipe Q11 is
S8050.Described first equalizing resistance R28 resistance is 10K ohm.The resistance of described 3rd equalizing resistance R24 is 1K ohm.Described
Second equalizing resistance R25 resistance is 0.02 ohm, and the capacity of described second electric capacity of voltage regulation C28 is 0.01 microfarad.First concussion electricity
The resistance of resistance R31 is set to 1M ohm, and the capacity setting of the first concussion electric capacity C23 is 0.1 microfarad, the second concussion resistance R32's
Resistance is set to 1M ohm, and the capacity setting of the second concussion electric capacity C22 is 0.1 ohm, and the resistance of the 4th equalizing resistance R29 is arranged
For 100K ohm.
Certainly, being more than the representative instance of the present invention, in addition, the present invention can also have other multiple to be embodied as
The technical scheme that mode, all employing equivalents or equivalent transformation are formed, within all falling within the scope of protection of present invention.
Claims (9)
1. a charger baby output voltage stabilizing circuit, including
USB output interface, described USB output interface includes power supply output pin and lower margin；
It is provided with the first electric capacity of voltage regulation between described power supply output pin and lower margin；
Described ground end has been also coupled to N-channel enhancement mode field effect transistor, the grid of described N-channel enhancement mode field effect transistor and ground end it
Between be in series with the first equalizing resistance；
It has been also coupled to the second equalizing resistance between drain electrode and the described ground end of described N-channel enhancement mode field effect transistor；
The source electrode of described N-channel enhancement mode field effect transistor is coupled with oscillating circuit, and described oscillating circuit is held with being further coupled to.
2. a kind of charger baby output voltage stabilizing circuit as claimed in claim 1, it is characterised in that
Described second equalizing resistance has been also coupled to the 3rd equalizing resistance, between described 3rd equalizing resistance and the second equalizing resistance also
It is coupled with the second electric capacity of voltage regulation.
3. a kind of charger baby output voltage stabilizing circuit as claimed in claim 1, it is characterised in that
Described oscillating circuit includes
First concussion unit, one end couples the source electrode of described N-channel enhancement mode field effect transistor；
Second concussion unit, couples between the other end and the described power supply output pin of described first concussion unit；
NPN manages, and its base stage couples the second concussion unit and first and shakes the node that unit couples, its grounded emitter, its current collection
Pole forms controlled terminal；
4th equalizing resistance, couples base stage and the emitter stage of described NPN pipe.
4. a kind of charger baby output voltage stabilizing circuit as claimed in claim 3, it is characterised in that
Described first concussion unit includes the first concussion resistance and the first concussion electric capacity being arranged in parallel.
5. a kind of charger baby output voltage stabilizing circuit as claimed in claim 3, it is characterised in that
Described second concussion unit includes the second concussion resistance and the second concussion electric capacity being arranged in parallel.
6. a kind of charger baby output voltage stabilizing circuit as claimed in claim 3, it is characterised in that
The model of described NPN pipe is S8050.
7. a kind of charger baby output voltage stabilizing circuit as claimed in claim 1, it is characterised in that
Described first voltage sharing resistance value is 10K ohm.
8. a kind of charger baby output voltage stabilizing circuit as claimed in claim 2, it is characterised in that
The resistance of described 3rd equalizing resistance is 1K ohm.
9. a kind of charger baby output voltage stabilizing circuit as claimed in claim 8, it is characterised in that
Described second voltage sharing resistance value is 0.02 ohm, and the capacity of described second electric capacity of voltage regulation is 0.01 microfarad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610848695.8A CN106300547B (en) | 2016-09-26 | 2016-09-26 | Charger baby output voltage stabilizing circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610848695.8A CN106300547B (en) | 2016-09-26 | 2016-09-26 | Charger baby output voltage stabilizing circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106300547A true CN106300547A (en) | 2017-01-04 |
| CN106300547B CN106300547B (en) | 2018-08-31 |
Family
ID=57714985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610848695.8A Active CN106300547B (en) | 2016-09-26 | 2016-09-26 | Charger baby output voltage stabilizing circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106300547B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107087330A (en) * | 2017-06-30 | 2017-08-22 | 横店集团得邦照明股份有限公司 | A kind of electric power system and its implementation suitable for portable lighting equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040080301A1 (en) * | 2002-06-20 | 2004-04-29 | Lajos Burgyan | System and method for driving LEDs |
| US20080157741A1 (en) * | 2006-12-29 | 2008-07-03 | Infineon Technologies Ag | Circuit to improve the load step of a nMOS based voltage regulator |
| CN104617634A (en) * | 2015-02-26 | 2015-05-13 | 青岛歌尔声学科技有限公司 | Charge-discharge circuit and power bank |
| CN205029558U (en) * | 2015-07-24 | 2016-02-10 | 厦门炬研电子科技有限公司 | Power voltage stabilizing circuit |
-
2016
- 2016-09-26 CN CN201610848695.8A patent/CN106300547B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040080301A1 (en) * | 2002-06-20 | 2004-04-29 | Lajos Burgyan | System and method for driving LEDs |
| US20080157741A1 (en) * | 2006-12-29 | 2008-07-03 | Infineon Technologies Ag | Circuit to improve the load step of a nMOS based voltage regulator |
| CN104617634A (en) * | 2015-02-26 | 2015-05-13 | 青岛歌尔声学科技有限公司 | Charge-discharge circuit and power bank |
| CN205029558U (en) * | 2015-07-24 | 2016-02-10 | 厦门炬研电子科技有限公司 | Power voltage stabilizing circuit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107087330A (en) * | 2017-06-30 | 2017-08-22 | 横店集团得邦照明股份有限公司 | A kind of electric power system and its implementation suitable for portable lighting equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106300547B (en) | 2018-08-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2011130303A3 (en) | Portable electronic device power manager with current limit feedback control loop modification for stabilizing an external power supply | |
| CN203883914U (en) | Multifunctional foldable rotating camera | |
| CN103872736A (en) | Protected charging circuit capable of displaying electric quantity | |
| CN104578305A (en) | USB intelligent charging circuit and charging device | |
| CN202050235U (en) | Battery reverse-connection protection circuit and lamp | |
| CN106300547A (en) | Charger baby output voltage stabilizing circuit | |
| CN204993458U (en) | Take cell -phone protective housing of wireless function of charging | |
| CN204168274U (en) | A kind of signal translating system | |
| CN202586427U (en) | Mobile phone charging cover provided with bluetooth earphone | |
| CN204669056U (en) | A kind of charger baby circuit | |
| CN102709738A (en) | Multifunctional socket | |
| CN203986104U (en) | A kind of electronic cigarette packet of giving electronic cigarette wireless charging | |
| CN204578581U (en) | A kind of chargeable mobile phone shell | |
| CN103037043A (en) | Temperature protection device of mobile terminal subscriber identity module (SIM) card | |
| CN206313465U (en) | A kind of charger baby input current manages circuit | |
| CN202172160U (en) | Multi-functional socket | |
| CN103972942B (en) | Electronic equipment | |
| CN204089284U (en) | A kind of aptitude chargeable circuit and electric terminal equipment | |
| CN206389131U (en) | A kind of charger baby input stabilizing circuit | |
| CN105071483B (en) | A kind of charging circuit for showing charged state and Intelligent bracelet charger | |
| CN204741304U (en) | Battery charging/ discharging management circuit and electric motor car | |
| CN204992693U (en) | Be suitable for multiple charge mode's electronic scale | |
| CN203562808U (en) | Portable direct-charging battery | |
| CN206023192U (en) | A kind of charger baby lithium battery protection circuit | |
| CN204794206U (en) | USB interface charging circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Power bank output voltage stabilizing circuit Effective date of registration: 20220624 Granted publication date: 20180831 Pledgee: Agricultural Bank of China Limited Guangchang county sub branch Pledgor: JIANGXI CANHUI NEW ENERGY TECHNOLOGY CO.,LTD. Registration number: Y2022980008955 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |