CN205846754U - A kind of battery intelligent identification management circuit - Google Patents
A kind of battery intelligent identification management circuit Download PDFInfo
- Publication number
- CN205846754U CN205846754U CN201620447977.2U CN201620447977U CN205846754U CN 205846754 U CN205846754 U CN 205846754U CN 201620447977 U CN201620447977 U CN 201620447977U CN 205846754 U CN205846754 U CN 205846754U
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- Prior art keywords
- resistance
- circuit
- memory communicating
- pin
- communicating circuit
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Abstract
This utility model relates to the identification technology of battery, memory communicating circuit is included particularly to a kind of battery intelligent identification management circuit, power supply circuits, communication protection circuit, by arranging memory communicating circuit storing device information, battery information is stored in memory communicating circuit, and connect external equipment, exchange with external equipment communication and data, by external equipment identification battery, by power supply circuits output voltage to described memory communicating circuit, memory communicating circuit is protected by communication protection circuit, when mode memory communicating circuit connects external equipment, external voltage electric current burns out memory communicating circuit, memory communicating circuit can be effectively protected, this utility model circuit has higher safety and stability.
Description
Technical field
This utility model relates to the identification technology of battery, particularly to a kind of battery intelligent identification management circuit.
Background technology
Widely available along with electronic product, especially mobile phone, panel computer, the electronic product such as micro projector was in recent years
Fast development, lithium ion battery is high with capacity, and volume is little, the advantage such as can be repeatedly circulated and obtain in battery industry extensively
General utilization.Current battery identification has two kinds, and one is to use to identify resistance, and another is the identification circuit using specialty.
Prior art often uses and identifies that resistance distinguishes battery, it is common that using the resistance of regulation resistance, accuracy of identification is poor,
The most counterfeiting, false proof grade is low.In order to improve accuracy of identification and false proof grade, in prior art, another embodiment is for by making
With the identification circuit of specialty, improve identification precision and false proof grade, but the identification circuit design cost of specialty is higher, and function
The most single.
Utility model content
For above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of simple in construction, accuracy of identification
High battery intelligent identification management circuit.
To achieve these goals, this utility model is by the following technical solutions:
A kind of battery intelligent identification management circuit, including memory communicating circuit, power supply circuits, communication protection circuit；
Described memory communicating circuit connects external equipment, hands over for storing device information with external equipment communication and data
Change；
Described power supply circuits connect described memory communicating circuit, for output voltage to described memory communicating circuit；
Described communication protection circuit is connected with the connecting line of described memory communicating circuit and external equipment, is used for protecting storage
Communicating circuit.
Described memory communicating circuit includes memorizer U2, is used for storing battery data and leading to external equipment data
News.
Described memory communicating circuit also includes that resistance R15, resistance R16, resistance R17, resistance R18, described memorizer U2 set
Put the first pin, the second pin；
Described first pin is connected with one end of resistance R15, and the other end of resistance R15 is connected with one end of resistance R16, institute
The other end stating resistance R16 connects external equipment；
Described second pin is connected with one end of resistance R17, and the other end of resistance R17 is connected with one end of resistance R18, institute
The other end stating resistance R18 connects external equipment.
Described communication protection circuit includes stabilivolt VD1, stabilivolt VD2, pull down resistor R19 and pull down resistor R20, described
Stabilivolt VD1, the plus earth of stabilivolt VD2, the negative pole of described stabilivolt VD1 be connected to described resistance R17 and resistance R18 it
Between, the negative pole of described stabilivolt VD2 is connected between described resistance R15 and resistance R16, a termination of described pull down resistor R19
Ground, the other end is connected between described resistance R15 and resistance R16, one end ground connection of described pull down resistor R20, and the other end connects
To between described resistance R17 and resistance R18.
Described power supply circuits include electric capacity C11, electric capacity C12, electric capacity C13, electric capacity C14 and linear voltage regulator U3, described line
Property manostat U3 Vin pin connect anode, its Vout pin connect described memorizer U2, its Vss pin ground connection, described
One end ground connection of electric capacity C11, the Vin pin of the other end described linear voltage regulator U3 of connection, one end ground connection of described electric capacity C12,
The other end connects the Vin pin of described linear voltage regulator U3, one end ground connection of described electric capacity C13, and other end connection is described linearly
The Vout pin of manostat U3, one end ground connection of described electric capacity C14, the other end connects the Vout of described linear voltage regulator U3 and draws
Foot.
Described power supply circuits are additionally provided with the positive pole of diode D1, described diode D1 and connect anode, described two poles
The negative pole of pipe D1 connects the Vin pin of described linear voltage regulator U3.
Described power supply circuits also set up resistance R22 and resistance R23 for limiting electric current, and described R22 is series at diode
Between negative pole and the Vin pin of linear voltage regulator U3 of D1, described R23 is series at Vout pin and the storage of linear voltage regulator U3
Between device U2.
Beneficial effect
Compared to prior art, utility model includes memory communicating circuit, power supply circuits, communication protection circuit；By setting
Put memory communicating circuit storing device information, battery information is stored in memory communicating circuit, and connects external equipment, with
External equipment communication and data exchange, and by external equipment identification battery, are led to by power supply circuits output voltage to described storage
News circuit, protects memory communicating circuit by communication protection circuit, when mode memory communicating circuit connects external equipment, and external electricity
Current voltage burns out memory communicating circuit, it is possible to be effectively protected memory communicating circuit, and this utility model circuit has higher peace
Full property and stability.
Accompanying drawing explanation
Fig. 1 is circuit structure block diagram of the present utility model.
In figure: 1, power supply circuits；2, memory communicating circuit；3, communication protection circuit.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.Should be appreciated that specific embodiment described herein is only in order to explain
This utility model, is not used to limit this utility model.
A kind of battery intelligent identification management circuit, including memory communicating circuit 2, power supply circuits 1, communication protection circuit 3；
Described memory communicating circuit 2 connects external equipment, for storing device information, by XS1 interface and external equipment
Communication and data exchange, and in the present embodiment, external equipment is the main frame identifying battery information；Wherein XS1 interface arranges data wire
SDA, clock cable SCL, carry out data friendship by data wire SDA, clock cable SCL with external equipment in the present embodiment
Change.
Described power supply circuits 1 connect described memory communicating circuit 2, for output voltage to described memory communicating circuit 2；
Described communication protection circuit 3 is connected with the connecting line of described memory communicating circuit 2 and external equipment, deposits for protection
Storage communicating circuit 2.
In the present embodiment, by arranging memory communicating circuit 2 storing device information, battery information is stored in memory communicating
In circuit 2, and connect external equipment, exchange with external equipment communication and data, by external equipment identification battery, by supplying
Electricity circuit 1 output voltage, to described memory communicating circuit 2, protects memory communicating circuit 2 by communication protection circuit 3, and mode is deposited
When storage communicating circuit 2 connects external equipment, external voltage electric current burns out memory communicating circuit 2, it is possible to be effectively protected storage logical
News circuit 2, this utility model circuit has higher safety and stability.
Specifically, described memory communicating circuit 2 includes memorizer U2, and in the present embodiment, memorizer U2 is electrically erasable
Programmable read only memory EEPROM, there is certain memory space inside, can be written and read, be used for storing battery data and
With external equipment data communication.
As shown in the table, in the address table of a memorizer U2, address that can be different in memorizer U2 writes phase
Data and the storage answered identified later.The value different to address writes different in memorizer U2, when main frame reads correspondence
Value time, for battery do correspondence configuration.
In the present embodiment being defined the address in memorizer U2, specific definition content is as shown in the table:
When 0X00 address writes respective value 0X01, represent that this battery is that corresponding manufacturer manufactures.Work as 0X01
Represent that the battery core that this battery is used is corresponding brand, when main frame reads this entry value during write respective value 0X01 of address, it is possible to
Accurately obtain this brand message, the Curve Matching of correspondence can be done for battery brand.
Work as 0X02,0X03 address write respective value 0X02, during 0X01, represent that this battery is the compound mode of 2S1P.When
0X04,0X05 address write respective value 0XD0, during 0X20, represents that this battery charging voltage is 8400mV, when main frame reads this
During entry value, the charging voltage configuration of correspondence can be carried out for battery.Work as 0X06,0X07 address write respective value 0X4E, 0X0C
Time, represent that the design capacity of this battery is 3150mAh, work as 0X08,0X09 address write respective value 0XE8, during 0X1C value, represent
The design voltage of this battery is 7400mV, works as 0X0A, 0X0B address write respective value 0X4E, during 0X0C, represents pushing away of this battery
Recommending maximum discharge current is 3.15A, when main frame reads this entry value, can carry out corresponding discharge current for battery and join
Put.When address 0X0C, 0X0D address writes respective value 0XDC, during 0X05, represent that battery recommends charging current to be 1.5A, work as main frame
When reading this entry value, the charging current configuration of correspondence can be carried out for battery.
Address space left can carry out other Function Extensions as required, and including the date of production, factory state etc., to realize
Intelligent Recognition and management, therefore the present embodiment autgmentability is strong.
Further, described memory communicating circuit 2 also includes resistance R15, resistance R16, resistance R17, resistance R18, passes through
Aforementioned four shunt resistance dividing potential drop, it is ensured that stablizing of the circuit of memory communicating circuit 2, prevents memorizer U2 level from crossing punching.Described
Memorizer U2 arranges eight pins, and wherein the first pin connects power supply to the 4th pin and the 7th pin ground connection, the 8th pin
Circuit 1；Described 6th pin is connected with one end of resistance R15, and the other end of resistance R15 is connected with one end of resistance R16, described
The other end of resistance R16 connects clock cable SCL；Described 5th pin is connected with one end of resistance R17, and resistance R17's is another
One end is connected with one end of resistance R18, and the other end of described resistance R18 connects data wire SDA.
It addition, described communication protection circuit 3 includes stabilivolt VD1, stabilivolt VD2, pull down resistor R19 and pull down resistor
R20, described stabilivolt VD1, the plus earth of stabilivolt VD2, the negative pole of described stabilivolt VD1 be connected to described resistance R17 and
Between resistance R18, the negative pole of described stabilivolt VD2 is connected between described resistance R15 and resistance R16, described pull down resistor R19
One end ground connection, the other end is connected between described resistance R15 and resistance R16, one end ground connection of described pull down resistor R20, separately
One end is connected between described resistance R17 and resistance R18.The effect of communication protection circuit 3 is to protect memory communicating circuit 2,
Prevent high pressure from scurrying into, stabling current.
And, described power supply circuits 1 include electric capacity C11, electric capacity C12, electric capacity C13, electric capacity C14 and linear voltage regulator U3,
In the present embodiment, preferentially use low pressure difference linear voltage regulator, linear voltage regulator U3 that 5V input voltage is turned the output voltage of 3.3V.
Electric capacity C11, electric capacity C12, electric capacity C13, electric capacity C14 act primarily as filter action in the loop.R23 plays metering function in the loop,
Preventing immediate current too big, burning the concrete type of attachment of rear end loop is: the Vin pin of described linear voltage regulator U3 connects battery
Positive pole, its Vout pin connects the 8th pin of described memorizer U2, its Vss pin ground connection, a termination of described electric capacity C11
Ground, the other end connects the Vin pin of described linear voltage regulator U3, one end ground connection of described electric capacity C12, and the other end connects described line
Property manostat U3 Vin pin, one end ground connection of described electric capacity C13, the other end connect described linear voltage regulator U3 Vout draw
Foot, one end ground connection of described electric capacity C14, the other end connects the Vout pin of described linear voltage regulator U3.
Further, described power supply circuits 1 are just being additionally provided with the positive pole connection battery of diode D1, described diode D1
Pole, the negative pole of described diode D1 connects the Vin pin of described linear voltage regulator U3, diode D1 one-way conduction, prevents linear
Manostat U3 is counter to be filled.
Further, described power supply circuits 1 also set up resistance R22 and resistance R23, and described R22 is series at diode D1's
Between the Vin pin of negative pole and linear voltage regulator U3, described R23 is series at Vout pin and the memorizer U2 of linear voltage regulator U3
The 8th pin between.Limit electric current by resistance R22 and resistance R23, maintain stablizing of voltage and current, prevent immediate current
Too big, burn rear end loop.
The above, only this utility model preferably detailed description of the invention, but protection domain of the present utility model is not
Being confined to this, any those familiar with the art, in the technical scope that this utility model discloses, can readily occur in
Change or replacement, all should contain within protection domain of the present utility model.Therefore, protection domain of the present utility model should
It is as the criterion with scope of the claims.
Claims (7)
1. a battery intelligent identification management circuit, it is characterised in that include memory communicating circuit, power supply circuits, communication protection
Circuit；
Described memory communicating circuit connects external equipment, exchanges for storing device information with external equipment communication and data；
Described power supply circuits connect described memory communicating circuit, for output voltage to described memory communicating circuit；
Described communication protection circuit is connected with the connecting line of described memory communicating circuit and external equipment, is used for protecting memory communicating
Circuit.
A kind of battery intelligent identification management circuit the most according to claim 1, it is characterised in that described memory communicating
Circuit includes memorizer U2, be used for storing battery data and with external equipment data communication.
A kind of battery intelligent identification management circuit the most according to claim 2, it is characterised in that described memory communicating circuit
Also include that resistance R15, resistance R16, resistance R17, resistance R18, described memorizer U2 arrange the first pin, the second pin；
Described first pin is connected with one end of resistance R15, and the other end of resistance R15 is connected with one end of resistance R16, described electricity
The other end of resistance R16 connects external equipment；
Described second pin is connected with one end of resistance R17, and the other end of resistance R17 is connected with one end of resistance R18, described electricity
The other end of resistance R18 connects external equipment.
A kind of battery intelligent identification management circuit the most according to claim 3, it is characterised in that described communication protection circuit
Including stabilivolt VD1, stabilivolt VD2, pull down resistor R19 and pull down resistor R20, described stabilivolt VD1, stabilivolt VD2 are just
Pole ground connection, the negative pole of described stabilivolt VD1 is connected between described resistance R17 and resistance R18, the negative pole of described stabilivolt VD2
Being connected between described resistance R15 and resistance R16, one end ground connection of described pull down resistor R19, the other end is connected to described resistance
Between R15 and resistance R16, one end ground connection of described pull down resistor R20, the other end be connected to described resistance R17 and resistance R18 it
Between.
5. manage circuit according to a kind of battery intelligent identification described in claim 2 to 4 any one, it is characterised in that described
Power supply circuits include electric capacity C11, electric capacity C12, electric capacity C13, electric capacity C14 and linear voltage regulator U3, described linear voltage regulator U3's
Vin pin connects anode, and its Vout pin connects described memorizer U2, its Vss pin ground connection, the one of described electric capacity C11
End ground connection, the other end connects the Vin pin of described linear voltage regulator U3, one end ground connection of described electric capacity C12, and the other end connects institute
Stating the Vin pin of linear voltage regulator U3, one end ground connection of described electric capacity C13, the other end connects described linear voltage regulator U3's
Vout pin, one end ground connection of described electric capacity C14, the other end connects the Vout pin of described linear voltage regulator U3.
A kind of battery intelligent identification management circuit the most according to claim 5, it is characterised in that described power supply circuits also set
The positive pole being equipped with diode D1, described diode D1 connects anode, and the negative pole of described diode D1 connects described linear steady
The Vin pin of depressor U3.
A kind of battery intelligent identification management circuit the most according to claim 6, it is characterised in that described power supply circuits also set
Putting the resistance R22 and resistance R23 for limiting electric current, described R22 is series at the negative pole of diode D1 and linear voltage regulator U3
Between Vin pin, described R23 is series between the Vout pin of linear voltage regulator U3 and memorizer U2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620447977.2U CN205846754U (en) | 2016-05-17 | 2016-05-17 | A kind of battery intelligent identification management circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620447977.2U CN205846754U (en) | 2016-05-17 | 2016-05-17 | A kind of battery intelligent identification management circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205846754U true CN205846754U (en) | 2016-12-28 |
Family
ID=57628615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620447977.2U Expired - Fee Related CN205846754U (en) | 2016-05-17 | 2016-05-17 | A kind of battery intelligent identification management circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205846754U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105958568A (en) * | 2016-05-17 | 2016-09-21 | 福建万众百源实业有限公司 | Battery intelligent identification and management circuit |
| CN107332952A (en) * | 2017-08-16 | 2017-11-07 | 广东欧珀移动通信有限公司 | Mobile terminal and its circuit |
-
2016
- 2016-05-17 CN CN201620447977.2U patent/CN205846754U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105958568A (en) * | 2016-05-17 | 2016-09-21 | 福建万众百源实业有限公司 | Battery intelligent identification and management circuit |
| CN107332952A (en) * | 2017-08-16 | 2017-11-07 | 广东欧珀移动通信有限公司 | Mobile terminal and its circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20161228 Termination date: 20180517 |