CN206283281U - Battery high current fills the protection and supervisory circuit with electric discharge soon - Google Patents
Battery high current fills the protection and supervisory circuit with electric discharge soon Download PDFInfo
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- CN206283281U CN206283281U CN201621386193.XU CN201621386193U CN206283281U CN 206283281 U CN206283281 U CN 206283281U CN 201621386193 U CN201621386193 U CN 201621386193U CN 206283281 U CN206283281 U CN 206283281U
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Abstract
The utility model discloses the protection and supervisory circuit that a kind of battery high current is filled and discharged soon; including main circuit, the first protection module and management module; between the negative battery terminal and circuit negative terminal of the main circuit, the management module is between the negative battery terminal and the first protection module of the main circuit for first protection module.First protection module is by detecting electric current and voltage status in circuit, the disconnection on control battery charging and discharging road；When the first protection module fails, the second protection module running, by the electric current and state of temperature of circuit, the disconnection on control battery charging and discharging road；The electric current and state of temperature on the management module monitor in real time battery charging and discharging road and by feedback of the information to external equipment; external equipment can be inside real-time query battery and the main circuit electricity, temperature, electric discharge and charge condition; and can be turned off by the protection module of peripheral equipment control first and open the charge-discharge circuit, make protection more comprehensively more humane.
Description
Technical field
The utility model is related to battery of mobile phone charge and discharge protecting and monitoring field, especially relates to a kind of big electricity of battery
Stream fills the protection and supervisory circuit with electric discharge soon.
Background technology
Battery of mobile phone charge and discharge protecting typically detects battery voltage and electric current in charge and discharge process by built-in chip
ANOMALOUS VARIATIONS situation, the height potential change that chip passes through switch pin controls opening and turning off for peripheral metal-oxide-semiconductor, Jin Erda
To the purpose of management cell safety charging and discharging.
With the development for filling technology soon, large current charge proposes challenge higher, tradition electricity to the protection technique of battery
There is larger failure risk in pond administrative skill.The management of charging and discharging mode of conventional mobile phone battery is single, and mobile phone can not be smart in real time
Accurate reads the accurate status data of inside battery, when there is abnormality, it is impossible to by mobile phone control internal circuit come
Control the input and output of battery.And traditional mobile phone protection circuit protected mode is single, will not when peripheral metal-oxide-semiconductor fails
Circuit can be controlled again.
Utility model content
Main purpose of the present utility model is to provide a kind of being provided with to be filled soon and electric discharge from the battery high current of protection mechanism more
Protection and supervisory circuit.
To achieve the above object, protection and the monitoring electricity with electric discharge are filled soon the utility model proposes a kind of battery high current
Road, including main circuit, the first protection module and management module,
First protection module, for monitoring the main circuit use state, when the main circuit occurs specifying abnormal
During state, the main circuit is cut off；
The management module, real-time current and temperature data for collecting the main circuit, and feedback signal are to outer
Portion's equipment；
First protection module is located between the negative battery terminal of the main circuit and circuit negative terminal, the management mould
Block is between the negative battery terminal and the first protection module of the main circuit.
Further, described battery high current fills the protection and supervisory circuit with electric discharge, first protection module soon
External equipment signal, and the main circuit connection according to external equipment signal cut can also be received.
Further, described battery high current fills the protection and supervisory circuit with electric discharge soon, also including the second protection mould
Block, for when the main circuit occurs specifying abnormality, and first protection module to fail, cutting off the main circuit；
Second protection module is between the positive battery terminal and circuit plus end of the main circuit；
Second protection module includes Temperature protection unit, and described Temperature protection unit one end connects the circuit anode
Son, other end connection positive battery terminal, is also connected with built-in power plus end in connection line.
Further, described battery high current fills the protection and supervisory circuit with electric discharge, first protection module soon
Including control chip and MOS switch pipe,
The control chip is connected by port DOUT with the port Gate1 of the MOS switch pipe, by port COUT with
Port Gate2 is connected；
Two port Source1 of the MOS switch pipe are connected with the main circuit, two ends of the MOS switch pipe
Mouth Source2 is connected with the circuit negative terminal.
Further, described battery high current fills the protection and supervisory circuit with electric discharge, the end of the control chip soon
Mouth V- is connected with the main circuit, and resistance R10, electric capacity C12, electric capacity C9 are sequentially provided with connection line；
One end of the port VDD line of the control chip is connected with the main circuit, and connects with the port V- circuits
Connect, port VDD line is provided with electric capacity C8, the other end of the port VDD line of the control chip connects interior by resistance R3
Put power positive end；
The port CS of the control chip is connected with the main circuit；
The port CNT of the control chip is connected with peripheral control terminal SW；The port VSS of the control chip with it is built-in
Power supply negative terminal connection；
The main circuit be sequentially connected the port Gate2 of the MOS switch pipe, the port Gate1 of the MOS switch pipe,
One end of the port CS of the control chip, the port V- of the control chip and port VDD line.
Further, described battery high current fills the protection and supervisory circuit with electric discharge soon, and the management module includes
First signal gathering unit, secondary signal collecting unit and electric power detection control chip,
The electric power detection control chip is connected by port SRN and port SRP with first signal gathering unit；
The electric power detection control chip is by port REG25, port VCC, port TS, port PWPN and the described second letter
Number collecting unit connection, the secondary signal collecting unit is provided with electric capacity C3 on the circuit being connected with port PWPN.
Further, described battery high current fills the protection and supervisory circuit with electric discharge, first signal acquisition soon
Unit includes current sense resistor and its loop, and described current sense resistor one end connects first protection module, the other end
Connection negative battery terminal and ground wire；
The current sense resistor two ends are also parallel with the loop, be sequentially provided with the loop resistance R1, electric capacity C5,
Built-in power negative terminal, electric capacity C6, resistance R2, intersegmental are connected intersegmental in resistance R1 and electric capacity C5 connections with electric capacity C6 and resistance R2
Electric capacity C7 is parallel with, be provided with circuit at electric capacity C7 two ends connects with the port SRN and port SRP of the electric power detection control chip
Connect.
Further, described battery high current fills the protection and supervisory circuit with electric discharge, the secondary signal collection soon
Unit includes thermistor and its loop, and one end of the thermistor connects with the TS ports of the electric power detection control chip
Connect；
The other end of the thermistor be sequentially connected the port REG25 that states on electric power detection control chip and port VCC,
Electric capacity C3, built-in power negative terminal；The two ends of the thermistor are also parallel with electric capacity C4.
Further, described battery high current fills the protection and supervisory circuit with electric discharge, the electric power detection control soon
Port REGIN on chip is connected by resistance R11 with built-in power plus end, and resistance R11 simultaneously passes through electric capacity C1 and in-built electrical
Source terminal is connected；
Port BAT on the electric power detection control chip is connected by resistance R12 with built-in power plus end, resistance
R12 is simultaneously connected by electric capacity C2 with built-in power negative terminal；
Port VSS and port PWPD on the electric power detection control chip are connected with built-in power negative terminal.
Further, described battery high current fills the protection and supervisory circuit with electric discharge, the electric power detection control soon
The port SCL of chip is connected with the port SCL of external equipment, and resistance R4, diode TVS2, resistance are sequentially provided with connection line
R5；
The diode TVS2 other ends connect built-in power negative terminal, and the diode TVS2 two ends are also parallel with resistance
R6；
The port SDA of the electric power detection control chip is connected with the port SDA of external equipment, is set successively on connection line
There are resistance R7, diode TVS1, resistance R8；
The diode TVS1 other ends connect built-in power negative terminal, and the diode TVS1 two ends are also parallel with resistance
R9。
Battery high current of the present utility model fills the protection and supervisory circuit with electric discharge soon, by triple preventing mechanisms：The
One protection module, the second protection module and control module protect charge-discharge circuit simultaneously, make circuit protection and monitoring more comprehensively.The
One protection module is by detecting electric current and voltage status in circuit, the disconnection on control battery charging and discharging road；When the first protection mould
When block fails, the second protection module running, by the electric current and state of temperature of circuit, the disconnection on control battery charging and discharging road；
The electric current and state of temperature on the management module monitor in real time battery charging and discharging road and by feedback of the information to external equipment, external equipment
Electricity that can be inside real-time query battery and the main circuit, temperature, electric discharge and charge condition, and can be by peripheral equipment control
One protection module is turned off and opens the charge-discharge circuit, makes protection more comprehensively more humane.
Brief description of the drawings
Fig. 1 is the structural frames of protection and supervisory circuit that battery high current is filled and discharged soon in the embodiment of the utility model one
Figure；
Fig. 2 is that battery high current is filled show with the protection discharged and supervisory circuit soon in the utility model one specific embodiment
It is intended to.
M1, the first protection module；M2, management module；M3, the second protection module；M4, external equipment.
The realization of the utility model purpose, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.
Specific embodiment
It should be appreciated that specific embodiment described herein is only used to explain the utility model, it is not used to limit this
Utility model.
Reference picture 1-2, in the utility model embodiment, there is provided a kind of battery high current fills the protection and monitoring with electric discharge soon
Circuit, including main circuit, the first protection module M1 and management module M2, the first protection module M1, for monitoring the master
Circuit use state, when abnormality occurs specifying in the main circuit, cuts off the main circuit；The management module M2, uses
In the real-time current and temperature data of collecting the main circuit, and feedback signal is to external equipment M4；The first protection mould
Between negative battery terminal B-1, B-2 and circuit negative terminal P- of the main circuit, the management module M2 is located at institute to block M1
State between negative battery terminal B-1, B-2 of main circuit and the first protection module M1.
In the present embodiment, above-mentioned battery high current fills the protection and supervisory circuit with electric discharge soon, it is characterised in that institute
Stating the first protection module M1 can also receive external equipment M4 signals, and main circuit connects according to external equipment M4 signal cuts
Connect.
In the present embodiment, above-mentioned battery high current fills the protection and supervisory circuit with electric discharge soon, is also protected including second
Shield module M3, for when the main circuit occurs specifying abnormality, and the first protection module M1 to fail, cut-out to be described
Main circuit；The first protection module M1 is between positive battery terminal B+1, B+2 and circuit plus end P+ of the main circuit；
The second protection module M3 includes Temperature protection unit PTC, and described Temperature protection unit PTC one end connects the circuit anode
Sub- P+；The other end connects positive battery terminal B+1, B+2, and built-in power plus end BAT+ is also connected with connection line.The temperature
Security unit PTC is SMD resettable fuse, model SMD1210P750SLR, the Temperature protection unit PTC monitoring
The temperature change of the main circuit, when temperature exceedes preset value, the Temperature protection unit PTC automatically disconnects circuit, knows
Road line temperature recovers during to preset value, the Temperature protection unit PTC restoring circuits connection.
Above-mentioned specified abnormality is generally charging excessively stream, excessively stream of discharging, short circuit, overcharge, overdischarge.
Above-mentioned first protection module M1 generally comprises control chip and MOS switch pipe, and control chip monitors the main circuit
Situation, when abnormality occurs specifying in the main circuit, send command signal to MOS switch pipe, drive it to disconnect circuit；
Above-mentioned control chip can also directly drive above-mentioned MOS switch pipe and circuit break according to the signal that external equipment M4 sends is received
Open, this function can be used in the case of normal operation circuit.
Above-mentioned second protection module M3 generally comprises Temperature protection unit, when the first protection module M1 fails, institute
The second protection module M3 is stated instead of the first protection module M1 protection circuits, the temperature conditions of Temperature protection unit observation circuit
With protection circuit, when circuit occurs specifying abnormality, when causing circuit temperature to raise, Temperature protection unit automatically breaks circuit
Open.
Above-mentioned management module M2 generally comprises the first signal gathering unit, secondary signal collecting unit and detection control core
Piece, first signal gathering unit typically gathers the Current Voltage status data of foregoing circuit, and the data-signal is sent
To detection control chip；The temperature data of the general Acquisition Circuit of secondary signal collecting unit, and send data signals to
Detection control chip；The detection control chip is connected with external equipment M4, and process signal is sent to external equipment M4, its
In transmitted its interior information of process signal at least include time, electric current, voltage and temperature.
Reference picture 2, in one embodiment, above-mentioned battery high current fills the protection and supervisory circuit with electric discharge soon,
The first protection module M1 includes control chip U1 and MOS switch pipe U2, wherein the control chip U1 models
The N-channel MOS pipe switch of MM3645E03VRE, the MOS switch pipe U2 models DSMKAB050L；The control chip U1 leads to
Port DOUT is crossed to be connected with the port Gate1 of the MOS switch pipe U2, the control chip U1 by port COUT with it is described
The port Gate2 connections of MOS switch pipe U2；Two port Source1 and the management module M2 of the MOS switch pipe U2 connect
Connect, two port Source2 of the MOS switch pipe U2 are connected with the circuit negative terminal P-.The control chip U1 passes through
Port DOUT sends operation signal to the port Gate1 of the MOS switch pipe U2, and the MOS switch pipe U2 passes through port
Circuit is disconnected or continued by Gate1 after receiving operation signal；The control chip U1 is sent out operation signal by port COUT
The port Gate2 of the MOS switch pipe U2 is delivered to, the MOS switch pipe U2 will after port Gate2 receives operation signal
Circuit disconnects or continues.
In the present embodiment, above-mentioned battery high current fills the protection and supervisory circuit with electric discharge, 3, the control core soon
The port V- of piece U1 is connected with the main circuit, and resistance R10, electric capacity C12, electric capacity C9 are sequentially provided with connection line；The control
One end of the port VDD line of coremaking piece U1 is connected with main line, and with the port V- connections, circuit is provided with electric capacity
C8, the other end of the port VDD line of the control chip U1 connects built-in power plus end BAT+ by resistance R3；The control
The port CS of coremaking piece U1 is connected with the main circuit；The port CNT of the control chip U1 is connected with peripheral control terminal SW；
The port VSS of the control chip U1 is connected with built-in power negative terminal；The MOS switch pipe is sequentially connected on the main circuit
The port Gate2 of U2, the port Gate1 of the MOS switch pipe U2, the port CS of the control chip U1, the control chip
The port V- of U1 and one end of port VDD line.The control chip U1 obtains the electric current electricity of the main circuit by port CS
Pressure data；The loop being made up of one end of port V- and port VDD line is used to stablize the work of the control chip U1
Voltage；It is connected with peripheral control terminal SW by port CNT and receives external equipment M4 signals；By the another of port VDD line
End is logical to be connected the electric energy for obtaining work with built-in power plus end BAT+.
In the present embodiment, above-mentioned battery high current fills the protection and supervisory circuit with electric discharge, second protection soon
Module M3 includes Temperature protection unit PTC, and described Temperature protection unit PTC one end connects the circuit plus end P+；The other end
Connection positive battery terminal B+1, B+2, are also connected with built-in power plus end BAT+ in connection line.The Temperature protection unit PTC
It is SMD resettable fuse, model SMD1210P750SLR, the Temperature protection unit PTC monitor the main circuit
Temperature, when temperature exceed preset value when, the Temperature protection unit PTC automatically disconnects circuit, it is known that line temperature recover to
When below preset value, the Temperature protection unit PTC restoring circuits connection.
In the present embodiment, above-mentioned battery high current fills the protection and supervisory circuit with electric discharge, the management module soon
M2 includes the first signal gathering unit, secondary signal collecting unit and electric power detection control chip U3, the electric power detection control
Chip U3 models BQ27542-G1, the electric power detection control chip U3 are by port SRN and port SRP and the described first letter
The connection of number collecting unit；The electric power detection control chip U3 by port REG25, port VCC, port TS, port PWPN with
The secondary signal collecting unit connection, the secondary signal collecting unit is connected to the circuit being connected with port PWPN and is provided with
Electric capacity C3.The electric power detection control chip U3 obtains first signal gathering unit and collects by port SRN and port SRP
Data-signal；Obtain the secondary signal collecting unit and collect by port REG25, port VCC, port TS, port PWPN
Data-signal.
In the present embodiment, above-mentioned battery high current fills the protection and supervisory circuit with electric discharge, first signal soon
Collecting unit includes current sense resistor RS1 and its loop, current sense resistor RS1 one end connection the first protection mould
Block M1；The other end connects negative battery terminal B-1, B-2 and ground wire；The current sense resistor RS1 two ends are also parallel with described returning
Road, is sequentially provided with resistance R1, electric capacity C5, built-in power negative terminal, electric capacity C6, resistance R2, in resistance R1 and electricity on the loop
Hold C5 connection it is intersegmental be connected with electric capacity C6 and resistance R2 it is intersegmental be parallel with electric capacity C7, be provided with circuit with the electricity at electric capacity C7 two ends
Port SRN and port the SRP connection of amount detection control chip U3.The current sense resistor RS1 is by detection resistance two ends electricity
The delta data of stream and voltage, and is converted by above-mentioned loop, and signal is sent to described along port SRN and port SRP after conversion
Electric power detection control chip U3.
In the present embodiment, above-mentioned battery high current fills the protection and supervisory circuit with electric discharge, the secondary signal soon
Collecting unit includes thermistor TH1 and its loop, one end of the thermistor TH1 and the electric power detection control chip U3
Port TS connection；The other end of the thermistor TH1 is sequentially connected the port REG25 stated on electric power detection control chip U3
With port VCC, electric capacity C3, built-in power negative terminal；The two ends of the thermistor TH1 are also parallel with electric capacity C4.The temperature-sensitive
Temperature data collected by resistance TH1 sent to institute by port REG25, port VCC, port TS, port PWPN by being told
State electric power detection control chip U3.
In the present embodiment, above-mentioned battery high current fills the protection and supervisory circuit with electric discharge, the electric power detection soon
Port REGIN on control chip U3 is connected by resistance R11 with built-in power plus end BAT+, and resistance R11 simultaneously passes through electric capacity
C1 is connected with built-in power terminal；Port BAT on the electric power detection control chip U3 passes through resistance R12 ports and in-built electrical
Source plus end BAT+ connections, resistance R12 is simultaneously connected by electric capacity C2 with built-in power negative terminal；The electric power detection control chip
Port VSS and port PWPD on U3 are connected with built-in power negative terminal.The electric power detection control chip U3 passes through port
REGIN and port BAT be connected with built-in power plus end BAT+ obtain work electric energy, by port VSS and port PWPD with
Built-in power negative terminal connects and composes closed-loop path, and connection line is provided with resolution and is provided with electric capacity with stable operating voltage.
In the present embodiment, above-mentioned battery high current fills the protection and supervisory circuit with electric discharge, the electric power detection soon
The port SCL of the port SCL and external equipment M4 of control chip U3 is connected, and resistance R4, diode are sequentially provided with connection line
TVS2, resistance R5；The diode TVS2 other ends connect built-in power negative terminal, and the diode TVS2 two ends are also parallel with
Resistance R6；The port SDA of the port SDA and external equipment M4 of the electric power detection control chip U3 is connected, on connection line according to
It is secondary to be provided with resistance R7, diode TVS1, resistance R8；The diode TVS1 other ends connect built-in power negative terminal, described two
Pole pipe TVS1 two ends are also parallel with resistance R9.The diode TVS1 and diode TVS2 is Transient Suppression Diode, its model
It is TUSD05CB, when the two poles of the earth of diode are subject to reverse transient state high energy impact events, is rapidly changed into the high impedance of its two interpolar
Low ESR, while absorbing up to thousands of watts of surge power.Make the voltage clamp of two interpolars in a safety value, effectively protect
The destruction of precision components in electronic circuit from surge pulse；The electric power detection control chip U3 by port SCL and
Port SDA is connected with the port SCL and port SDA of external equipment M4, and by port SCL delivery time signals, by SDA ends
The data-signals such as transmitting circuit temperature, electric current, voltage, reach the purpose for monitoring the main circuit.
In one embodiment, on the main circuit circuit plus end P+ and circuit negative terminal P- also passes through electric capacity
C10 and electric capacity C11 connects to stablize the main circuit voltage.
In one embodiment, when battery is in charged state, electric current is flowed into by the circuit negative terminal P-, first
First, the MOS switch pipe U2 is flowed through, then, then electric current, flows to the current detecting electricity by the monitoring of control chip U1
The current signal that resistance RS1, the electric power detection control chip U3 feed back according to the current sense resistor RS1 obtains the main electricity
The Current Voltage situation on road, then the temperature signal fed back by thermistor TH1 obtains the main circuit temperature conditions, then,
Electric current flows into battery through negative battery terminal B-1, B-2, then, battery, then, electric current stream is flowed out through positive battery terminal B+1, B+2
Through the Temperature protection unit PTC, finally, from circuit plus end P+ outflows.
In another specific embodiment, when battery is in discharge condition, electric current is flowed by negative battery terminal B-1, B-2
Go out, first, flow through the current sense resistor RS1, the electric power detection control chip U3 is according to the current sense resistor RS1
The current signal of feedback obtains the electric current and voltage condition of the main circuit, then the temperature signal fed back by thermistor TH1
The main circuit temperature conditions is obtained, then, then electric current, flows through the MOS switch pipe by the monitoring of control chip U1
U2, then, electric current flows into external equipment M4 through the circuit negative terminal P-, and then, electric current is from external equipment M4 through stating circuit just
Terminals P+flow into the main circuit, then, electric current flows through the Temperature protection unit PTC, finally, from through positive battery terminal B+1,
B+2 flows into battery.
Preferred embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited,
Equivalent structure or equivalent flow conversion that every utilization the utility model specification and accompanying drawing content are made, or directly or indirectly fortune
Used in other related technical fields, similarly it is included in scope of patent protection of the present utility model.
Claims (10)
1. a kind of battery high current fills the protection with electric discharge and supervisory circuit soon, it is characterised in that including main circuit, the first protection
Module and management module,
First protection module, for monitoring the main circuit use state, when the main circuit occurs specifying abnormality
When, cut off the main circuit；
The management module, real-time current and temperature data for collecting the main circuit, and feedback signal to outside set
It is standby；
Between the negative battery terminal and circuit negative terminal of the main circuit, the management module sets first protection module
Between the negative battery terminal and the first protection module of the main circuit.
2. battery high current according to claim 1 fills the protection with electric discharge and supervisory circuit soon, it is characterised in that described
First protection module can also receive external equipment signal, and the main circuit connection according to external equipment signal cut.
3. battery high current according to claim 1 fills the protection with electric discharge and supervisory circuit soon, it is characterised in that also wrap
The second protection module is included, for when the main circuit occurs specifying abnormality, and first protection module to fail, cutting off
The main circuit；
Second protection module is between the positive battery terminal and circuit plus end of the main circuit；
Second protection module includes Temperature protection unit, and described Temperature protection unit one end connects the circuit plus end,
The other end connects positive battery terminal, and built-in power plus end is also connected with connection line.
4. battery high current according to claim 1 fills the protection with electric discharge and supervisory circuit soon, it is characterised in that described
First protection module includes control chip and MOS switch pipe,
The control chip is connected by port DOUT with the port Gate1 of the MOS switch pipe, by port COUT and port
Gate2 is connected；
Two port Source1 of the MOS switch pipe are connected with the main circuit, two ports of the MOS switch pipe
Source2 is connected with the circuit negative terminal.
5. battery high current according to claim 4 fills the protection with electric discharge and supervisory circuit soon, it is characterised in that described
The port V- of control chip is connected with the main circuit, and resistance R10, electric capacity C12, electric capacity C9 are sequentially provided with connection line；
One end of the port VDD line of the control chip is connected with the main circuit, and with the port V- connections, end
Mouth VDD line is provided with electric capacity C8, and the other end of the port VDD line of the control chip connects built-in power by resistance R3
Plus end；
The port CS of the control chip is connected with the main circuit；
The port CNT of the control chip is connected with peripheral control terminal SW；The port VSS and built-in power of the control chip
Negative terminal is connected；
The main circuit is sequentially connected the port Gate2 of the MOS switch pipe, the port Gate1 of the MOS switch pipe, described
One end of the port CS of control chip, the port V- of the control chip and port VDD line.
6. battery high current according to claim 1 fills the protection with electric discharge and supervisory circuit soon, it is characterised in that described
Management module includes the first signal gathering unit, secondary signal collecting unit and electric power detection control chip,
The electric power detection control chip is connected by port SRN and port SRP with first signal gathering unit；
The electric power detection control chip is adopted by port REG25, port VCC, port TS, port PWPN and the secondary signal
Collection unit connection, the secondary signal collecting unit is provided with electric capacity C3 on the circuit being connected with port PWPN.
7. battery high current according to claim 6 fills the protection with electric discharge and supervisory circuit soon, it is characterised in that described
First signal gathering unit includes current sense resistor and its loop, current sense resistor one end connection first protection
Module, the other end connection negative battery terminal and ground wire；
The current sense resistor two ends are also parallel with the loop, and resistance R1, electric capacity C5, built-in is sequentially provided with the loop
Power supply negative terminal, electric capacity C6, resistance R2, intersegmental intersegmental parallel connection is connected in resistance R1 and electric capacity C5 connections with electric capacity C6 and resistance R2
There is electric capacity C7, be provided with circuit at electric capacity C7 two ends is connected with the port SRN and port SRP of the electric power detection control chip.
8. battery high current according to claim 6 fills the protection with electric discharge and supervisory circuit soon, it is characterised in that described
Secondary signal collecting unit includes thermistor and its loop, one end of the thermistor and the electric power detection control chip
TS ports connection；
The other end of the thermistor is sequentially connected the port REG25 and port VCC, electric capacity stated on electric power detection control chip
C3, built-in power negative terminal；The two ends of the thermistor are also parallel with electric capacity C4.
9. battery high current according to claim 6 fills the protection with electric discharge and supervisory circuit soon, it is characterised in that described
Port REGIN on electric power detection control chip is connected by resistance R11 with built-in power plus end, and resistance R11 simultaneously passes through electricity
Hold C1 to be connected with built-in power terminal；
Port BAT on the electric power detection control chip is connected by resistance R12 with built-in power plus end, and resistance R12 is simultaneously
It is connected with built-in power negative terminal by electric capacity C2；
Port VSS and port PWPD on the electric power detection control chip are connected with built-in power negative terminal.
10. battery high current according to claim 9 fills the protection with electric discharge and supervisory circuit soon, it is characterised in that institute
The port SCL of electric power detection control chip is stated to be connected with the port SCL of external equipment, be sequentially provided with connection line resistance R4,
Diode TVS2, resistance R5；
The diode TVS2 other ends connect built-in power negative terminal, and the diode TVS2 two ends are also parallel with resistance R6；
The port SDA of the electric power detection control chip is connected with the port SDA of external equipment, and electricity is sequentially provided with connection line
Resistance R7, diode TVS1, resistance R8；
The diode TVS1 other ends connect built-in power negative terminal, and the diode TVS1 two ends are also parallel with resistance R9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621386193.XU CN206283281U (en) | 2016-12-16 | 2016-12-16 | Battery high current fills the protection and supervisory circuit with electric discharge soon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621386193.XU CN206283281U (en) | 2016-12-16 | 2016-12-16 | Battery high current fills the protection and supervisory circuit with electric discharge soon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206283281U true CN206283281U (en) | 2017-06-27 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621386193.XU Withdrawn - After Issue CN206283281U (en) | 2016-12-16 | 2016-12-16 | Battery high current fills the protection and supervisory circuit with electric discharge soon |
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| CN (1) | CN206283281U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655371A (en) * | 2016-12-16 | 2017-05-10 | 欣旺达电子股份有限公司 | Battery high-current fast charging and discharging protection and monitoring circuit |
| CN107453332A (en) * | 2017-09-19 | 2017-12-08 | 欣旺达电子股份有限公司 | Battery protecting circuit and battery protecting plate |
| CN108963119A (en) * | 2018-07-25 | 2018-12-07 | 郑州云海信息技术有限公司 | A kind of battery pack |
-
2016
- 2016-12-16 CN CN201621386193.XU patent/CN206283281U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655371A (en) * | 2016-12-16 | 2017-05-10 | 欣旺达电子股份有限公司 | Battery high-current fast charging and discharging protection and monitoring circuit |
| CN106655371B (en) * | 2016-12-16 | 2023-09-26 | 欣旺达电子股份有限公司 | Protection and monitoring circuit for high-current quick charge and discharge of battery |
| CN107453332A (en) * | 2017-09-19 | 2017-12-08 | 欣旺达电子股份有限公司 | Battery protecting circuit and battery protecting plate |
| CN108963119A (en) * | 2018-07-25 | 2018-12-07 | 郑州云海信息技术有限公司 | A kind of battery pack |
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Granted publication date: 20170627 Effective date of abandoning: 20230717 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20170627 Effective date of abandoning: 20230717 |