CN207753478U - A kind of multichannel independent battery charging circuit - Google Patents
A kind of multichannel independent battery charging circuit Download PDFInfo
- Publication number
- CN207753478U CN207753478U CN201721905517.0U CN201721905517U CN207753478U CN 207753478 U CN207753478 U CN 207753478U CN 201721905517 U CN201721905517 U CN 201721905517U CN 207753478 U CN207753478 U CN 207753478U
- Authority
- CN
- China
- Prior art keywords
- charging
- chips
- circuit
- ovp
- modular assembly
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model discloses a kind of multichannel independent battery charging circuits; the charging circuit includes charging interface modular assembly, OVP protection circuits and charge controlling chip; the charging interface modular assembly connects current input terminal; the OVP protections circuit is connect with charging interface modular assembly, and the charge controlling chip is separately connected OVP protection circuits and rechargeable battery.The utility model single equipment, single power supply realization charge simultaneously to the battery of multiple handhold equipments, reduce the space of more equipment while storage of charging, and reduce cost, charge efficiency is high, keeps equipment charge more efficient.
Description
Technical field
The utility model is related to a kind of charging circuits of battery of mobile terminal, and in particular to a kind of multichannel independent battery charging
Circuit.
Background technology
Currently, the mobile phone quantity of a urban family usually more than one, while everyone mobile phone brand, type for using
Number differ, phone charger is also multifarious, and there is also this problems in working environment.Phone charger mainly has two big
Type trip is filled fills with seat.Trip is filled only provides a DC power supply for mobile phone, and charging is used by interior of mobile phone charging management chip
Algorithm carries out charge control；Seat has filled charging control circuit then built-in, and intelligent management is carried out to the charging of battery.Due to not
Charging voltage required by same mobile phone is different, and overall dimensions and the Electric connection characteristic difference of mobile phone charging interface cause
Phone charger cannot be general phenomenon, bring inconvenience to people’s lives.
Utility model content
To solve the above-mentioned problems, to provide, a kind of charging voltage is constant, charging finishes and can stop automatically for the utility model
Only charging current, can quick charge be carried out at the same time more to the battery of mobile phone of multiple and different models using multiple charge tunnels simultaneously
Road independent battery charging circuit.
In order to achieve the above objectives, the technical solution of the utility model is as follows：
A kind of multichannel independent battery charging circuit, the charging circuit include charging interface modular assembly, OVP protection circuits
And charge controlling chip, the charging interface modular assembly connect current input terminal, the OVP protection circuits and charging mouth mold
Block assembly connects, and the charge controlling chip is separately connected OVP protection circuits and rechargeable battery.
In a preferred embodiment of the utility model, the charging interface modular assembly is USB charging interface module.
In a preferred embodiment of the utility model, the charge controlling chip includes three charge controls arranged side by side
Circuit, these three charging control circuits are connect with OVP protection circuits respectively.
In a preferred embodiment of the utility model, charging control circuit includes an AP5056 chips, described
TEMP pins on AP5056 chips are connected to the NTC output ends of battery, and the CE pins and VCC pins on the AP5056 chips connect
Connect OVP protection circuits.
In a preferred embodiment of the utility model, signal designation electricity is also connected on each charging control circuit
Road, the signal indicating circuit include the first diode and the second diode, and first diode accesses on AP5056 chips
GHRG pins, the STDBY pins on second diode access AP5056 chips.
In a preferred embodiment of the utility model, it includes a KTS1689A chips, KTS1689A that OVP, which protects circuit,
Each output pin on chip is separately connected each charging control circuit, and input pin connects charging on KTS1689A chips
Mouth mold block assembly.
The utility model has the beneficial effects that：
The utility model single equipment, single power supply realization charge simultaneously to the battery of multiple handhold equipments, reduce
The space of more equipment while storage of charging, and cost is reduced, charge efficiency is high, keeps equipment charge more efficient.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is the circuit diagram of the utility model.
Specific implementation mode
In order to make the technical means, creative features, achievement of purpose, and effectiveness of the utility model be easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
Referring to Fig. 1, multichannel independent battery charging circuit provided by the utility model comprising charging interface modular assembly
100, OVP protects circuit 200 and charge controlling chip 300.
Charging interface modular assembly 100 connects current input terminal, is for foreign current to be inputed to OVP protection electricity
Road 200 is specially a USB charging interface module.
OVP protects circuit 200, is connect with charging interface modular assembly 100, is for charging interface modular assembly
The electric current of 100 inputs is protected.
It includes a KTS1689A chips 210 that OVP, which protects circuit 200, and KTS1689A chips 210 are internally integrated MOSFET pipes,
Internal preset protects exemplary voltages up to 6.8V, actively protects maximum voltage to can reach 29V, internal clamper surge voltage is reachable
100V, it is maximum allowable by electric current be 3.5A, input voltage be more than voltage protection threshold values when inside MOSFET close, to reach
Protect the effect of circuit.
Each input pin IN connection charging interfaces modular assembly 100 of KTS1689A chips 210, each output pin
OUT connections charge controlling chip 300.
Charge controlling chip 300 specifically includes three charging control circuits 310 arranged side by side, these three charge controls electricity
310 independent operating arranged side by side of road, can all charge to battery 400.
Charging control circuit 310 includes an AP5056 chips 311, AP5056 chips 311 be a complete monolithic lithium from
Sub- battery constant current/constant voltage linear power supply managing chip, SOP/MSOP encapsulation and few peripheral cell are highly suitable to be applied for
Portable product.
TEMP pins on AP5056 chips 311 are connected to the NTC output ends of battery, the CE pins on AP5056 chips 311
The output pin OUT of KTS1689A chips 210 is separately connected with VCC pins.
A signal indicating circuit 500 is equipped on each charging control circuit 310, signal indicating circuit 500 is for showing
Show the charged state of charging control circuit 310 comprising the first diode 510 and the second diode 520, the first diode 510
The GHRG pins on AP5056 chips 311 are accessed, the second diode 520 accesses the STDBY pins on AP5056 chips 311.
In this application, due to the maximum current limliting 3.5A of KTS1689A chips 210, a KTS1689A chip 210 can only
Three charging control circuits 310 are connected, if necessary to increase more charging control circuits 310, KTS1689A cores need to be increased
Increase charging control circuit 310 after piece 210 again.
Here is the specific work process of the application：
For AP5056 chips 311 at equipment unloaded (battery is not in place), output voltage is close to input charging in the application
The voltage of interface module component 100, at this time signal indicating circuit 500 do not work；
When battery 400 is in place, cell voltage carries out trickle charge in 2.9V or less, and trickle-charge current is 100mA left
It is right；Cell voltage is charged normal when being higher than 2.9V, and chip exports constant voltage 4.2V at this time, according to AP5056 chips 311
The resistance that external charging current setting resistance Rprog is precision 1%1K Ω, is up to the left sides 1A per branch current when charging normal
The right side, at this time 510 bright expression of the first diode are being charged；
When 400 voltage of battery is close to 4.2, charge cutoff when charging current is less than 100mA, AP5056 chips 311 are closed
Charging, 520 bright expression battery of the second diode is full of at this time；
The TEMP pins of AP5056 chips 311 are connected to the NTC output ends of battery 400 in circuit, if TEMP pins
Voltage be less than input voltage 45% or more than input voltage 80% when, indicate battery temperature it is too low or excessively high, then charge
It is suspended.
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (6)
1. a kind of multichannel independent battery charging circuit, which is characterized in that the charging circuit include charging interface modular assembly,
OVP protects circuit and charge controlling chip, the charging interface modular assembly to connect current input terminal, and the OVP protects circuit
It is connect with charging interface modular assembly, the charge controlling chip is separately connected OVP protection circuits and rechargeable battery.
2. a kind of multichannel independent battery charging circuit according to claim 1, which is characterized in that the charging interface module
Component is USB charging interface module.
3. a kind of multichannel independent battery charging circuit according to claim 1, which is characterized in that the charge controlling chip
Including three charging control circuits arranged side by side, these three charging control circuits are connect with OVP protection circuits respectively.
4. a kind of multichannel independent battery charging circuit according to claim 3, which is characterized in that charging control circuit includes
One AP5056 chips, the TEMP pins on the AP5056 chips are connected to the NTC output ends of battery, on the AP5056 chips
CE pins connect OVP protection circuits with VCC pins.
5. a kind of multichannel independent battery charging circuit according to claim 4, which is characterized in that each charging control circuit
On be also connected with a signal indicating circuit, the signal indicating circuit includes the first diode and the second diode, the described 1st
Pole pipe accesses the GHRG pins on AP5056 chips, the STDBY pins on the second diode access AP5056 chips.
6. a kind of multichannel independent battery charging circuit according to claim 4, which is characterized in that OVP protection circuit include
One KTS1689A chips, each output pin on KTS1689A chips are separately connected each charging control circuit, KTS1689A
Input pin connects charging interface modular assembly on chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721905517.0U CN207753478U (en) | 2017-12-29 | 2017-12-29 | A kind of multichannel independent battery charging circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721905517.0U CN207753478U (en) | 2017-12-29 | 2017-12-29 | A kind of multichannel independent battery charging circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207753478U true CN207753478U (en) | 2018-08-21 |
Family
ID=63151761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721905517.0U Active CN207753478U (en) | 2017-12-29 | 2017-12-29 | A kind of multichannel independent battery charging circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207753478U (en) |
-
2017
- 2017-12-29 CN CN201721905517.0U patent/CN207753478U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203800642U (en) | Charging Po and charging system | |
| CN103501023B (en) | Charging circuit | |
| CN105703423A (en) | Charging control method, charging equipment, and charging system | |
| CN101350532A (en) | Over-voltage protected battery charger with bypass | |
| CN204407954U (en) | Multiinputoutput fills portable power source soon | |
| CN105720632A (en) | Current increase module and electronic terminal | |
| CN105140978A (en) | Flexible cell management system | |
| CN104410114B (en) | Mobile power supply | |
| CN102629772A (en) | Mobile terminal and charging method of mobile terminal | |
| CN203761085U (en) | Mobile power source with over-voltage, under-voltage, over-current and over-temperature protection functions | |
| CN103580260A (en) | Portable mobile power supply | |
| CN207753478U (en) | A kind of multichannel independent battery charging circuit | |
| CN103746423A (en) | Novel mobile power supply and preparing method thereof | |
| CN103078395B (en) | Power supply dynamic route managing circuit | |
| CN103248075A (en) | Battery management system and method | |
| CN105591432A (en) | Rapid charging system for hand-held device | |
| CN205724948U (en) | A kind of charging and discharging lithium battery control circuit | |
| CN206442131U (en) | Charger baby and OTG data wires | |
| CN204538723U (en) | Flexible battery management system | |
| CN204465080U (en) | For the battery management system of lithium battery group | |
| CN210867228U (en) | Automatic charging and discharging detection circuit applied to high-battery-voltage sound box | |
| CN107634568A (en) | A kind of power supply adaptor | |
| CN203800645U (en) | Charging Po | |
| CN209472405U (en) | PDVD 5V power-supply management system | |
| US10903676B2 (en) | Semiconductor device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A multi-channel independent battery charging circuit Effective date of registration: 20211217 Granted publication date: 20180821 Pledgee: Societe Generale Bank Co.,Ltd. Qingpu Branch of Shanghai Pledgor: SHANGHAI SHUGUO TECHNOLOGY Co.,Ltd. Registration number: Y2021310000141 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20221207 Granted publication date: 20180821 Pledgee: Societe Generale Bank Co.,Ltd. Qingpu Branch of Shanghai Pledgor: SHANGHAI SHUGUO TECHNOLOGY Co.,Ltd. Registration number: Y2021310000141 |