CN107104483A - A kind of charge-discharge circuit for LEV lithium battery group - Google Patents
A kind of charge-discharge circuit for LEV lithium battery group Download PDFInfo
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- CN107104483A CN107104483A CN201710346043.9A CN201710346043A CN107104483A CN 107104483 A CN107104483 A CN 107104483A CN 201710346043 A CN201710346043 A CN 201710346043A CN 107104483 A CN107104483 A CN 107104483A
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- 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
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
- B60L58/21—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having the same nominal voltage
-
- 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
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Field, specifically a kind of charge-discharge circuit for LEV lithium battery group are manufactured the present invention relates to electric car.Including chip U1, chip JC1.Compared with the existing technology, intelligent control MCU is used for constantly monitoring the present invention, with battery core error protection; failure latch functions, lift LEV security, intelligent control power supply dormancy; make battery whole energy more than 10%, can high current repid discharge, under special charger; 2C chargings can be met; it can be full of within 40 minutes, coulomb metering reads display and constantly shows electricity, increase lithium battery assembling exploration project economic well-being of workers and staff; financial cost has been saved simultaneously, has delayed cell degradation.
Description
Technical field
Field, specifically a kind of filling for LEV lithium battery group are manufactured the present invention relates to electric car
Discharge circuit.
Background technology
Traditional electric vehicle power sources design is simple, and function is single, simply simple connection in series-parallel, it is impossible to intelligent management and control battery pack
The overall performance of lithium battery pack can not be lifted, and function is single, and manufacturing process is cumbersome, causes the waste of cost, energy efficiency
Lowly.
The content of the invention
The present invention is overcomes the deficiencies in the prior art, and design one kind can more preferably utilize battery utilization rate, and improving battery makes
With the life-span, it is easy to the charge-discharge circuit for LEV lithium battery group of management and control.
To achieve the above object, a kind of charge-discharge circuit for LEV lithium battery group, including core are designed
Piece U1, chip JC1, it is characterized in that：The chip U1 is respectively DSG ports, CHG ports, VSS ports, SDA provided with 41 ports
Port, SCL ports, TS1 ports, CAP1 ports, REGOUT ports, REGSRC ports, VC5x ports, NC1 ports, NC2 ports,
TS2 ports, CAP2 ports, VC10x ports, NC3 ports, NC4 ports, TS3 ports, CAP3 ports, BAT ports, VC15 ports,
VC14 ports, VC13 ports, VC12 ports, VC11 ports, VC10B ports, VC10 ports, VC9 ports, VC8 ports, VC7 ends
Mouth, VC6 ports, VC5B ports, VC5 ports, VC4 ports, VC3 ports, VC2 ports, VC1 ports, VC0 ports, SRP ports,
SRN ports, ALERT ports, chip U1 three tunnels of DSG ports point connect the one of resistance R21, resistance Rd1 and resistance Rd5 respectively
End, resistance Rd1 other end connection power tube QD1 G ports, resistance Rd5 other end connection power tube QD2 G ports, electricity
The resistance R21 other end point 17 tunnels connect respectively resistance RS1, resistance RS2, resistance RS3, resistance RS4, resistance RS5, resistance RS6,
Resistance RS7, resistance RS8, resistance R20, power tube QD1 S ports, power tube QD2 S ports, power tube QD3 S ports, work(
Rate pipe QD4 S ports, power tube QD5 S ports, power tube QD6 S ports, power tube QC1 D ports and power tube QC2
D ports one end, three tunnels of the resistance R20 other end point connect chip U1 SRN ports, electric capacity C19 and electric capacity C18's respectively
One end, electric capacity C19 other end ground connection, electric capacity C18 three tunnels of the other end point connect chip U1 SRP ports, electric capacity C17 respectively
With resistance R19 one end, the electric capacity C17 other end is grounded, resistance the R19 other end and resistance RS1, resistance RS2, resistance RS3,
Battery core, which is connect, after resistance RS4, resistance RS5, resistance RS6, resistance RS7, resistance RS8 other end boundling connection always bears B-1 ends
Mouthful；The D ports of the power tube QD1, power tube QD2 D ports, power tube QD3 D ports, power tube QD4 D ports, work(
Point two-way connects one end of resistance R34 respectively after rate pipe QD5 D ports, power tube QD6 D ports boundling connection and electric discharge is born
Pole P-1 ports, the other end connection diode D6 of resistance R34 anode port, diode D6 negative electrode port connection electric discharge swashs
Active end mouthful DC ports, four tunnels of S ports point of the power tube QC1 connect power tube QC2 S ports, power tube QC3 S respectively
One end of port, power tube QC4 S ports and resistance R27, resistance R27 six tunnels of the other end point connect power tube QC1's respectively
G ports, power tube QC2 G ports, power tube QC3 G ports, power tube QC4 G ports, diode D5 negative electrode port and
Resistance R25 one end, the R25 other end point two-way connects diode D5 anode port and metal-oxide-semiconductor Q1 D ports, institute respectively
State metal-oxide-semiconductor Q1 S ports connection chip U1 CHG ports, metal-oxide-semiconductor Q1 G ports ground connection；The D ports of the power tube QC3 and
Point two-way connects charging negative pole CH- ports and resistance R31 one end, resistance respectively after power tube QC4 D ports boundling connection
The R31 other end point two-way connection metal-oxide-semiconductor Q4 G ports and resistance R32 one end, the resistance R32 other end point two-way difference
Connect metal-oxide-semiconductor Q4 S ports and resistance R33 one end, metal-oxide-semiconductor Q4 D ports connection diode D7 anode port, diode
D7 negative electrode port connection charging activation port CC ports, the resistance R33 other end connection chip JC1 total positive B+ ends of battery core
Mouthful.
Electric capacity C21 one end, chip are connected after NC1 ports, NC2 ports and the connection of CAP2 ports boundling of the chip U1
TS2 ports connection resistance RT2 one end, electric capacity is connected after chip U1 NC3 ports, NC4 ports and the connection of CAP3 ports boundling
C20 one end, electric capacity C20 other end connection chip U1 VC10x ports, the one of the TS3 ports connection resistance RT1 of chip
End, the resistance RT1 other end is connected on chip U1 VC10x ports, and chip U1 REGSRC ports point two-way is connected respectively
Electric capacity C23 and metal-oxide-semiconductor Q3 S ports, electric capacity C23 other end ground connection, metal-oxide-semiconductor Q3 four tunnels of G ports point connect chip respectively
U1 VC5x ports, electric capacity C24, electric capacity C29 and electric capacity C31 one end, electric capacity C24, electric capacity C29 and electric capacity the C31 other end
It is connected to after boundling connection on chip U1 VC10x, metal-oxide-semiconductor Q3 D ports connection metal-oxide-semiconductor Q2 S ports, metal-oxide-semiconductor Q2 G ends
The tunnels of Kou Fen tetra- connect chip U1 VC10x ports, electric capacity C25, electric capacity C28 and electric capacity C32 one end, electric capacity C25, electric capacity respectively
It is connected to after C28 and electric capacity C32 other end boundling connection on chip U1 BAT ports, metal-oxide-semiconductor Q2 D ports point two-way point
Not Lian Jie P+1 ports and resistance R26 one end, resistance R26 three tunnels of the other end point connect electric capacity C25, electric capacity C28 and electricity respectively
Hold C32 one end, metal-oxide-semiconductor Q2 G ports are connected to after electric capacity C25, electric capacity C28 and electric capacity C32 other end boundling connection
On；The VC5x ports of the chip U1 point eight tunnels connect diode D3 negative electrode port, the resistance RT2 other end, electric capacity respectively
The C21 other end, electric capacity C26, electric capacity C27, electric capacity C30 and resistance R30 one end, resistance R30 other end connection chip U1
TP2 ports, electric capacity C26, electric capacity C27 and electric capacity C30 the other end boundling connection after be grounded；The VC10x ends of the chip U1
Mouth branch connects the one of diode D2 negative electrode port, the resistance RT1 other end, the electric capacity C20 other end and resistance R29 respectively
End, the resistance R29 other end is connected on chip U1 TP1 ports.
Three tunnels of the VC15 ports of the chip U1 point connect diode D1 anode port, electric capacity C1 and resistance R2's respectively
One end, diode D1 negative electrode port connection chip U1 BAT ports, the resistance R2 other end point two-way connects B+1 ends respectively
The B+ ports of mouth and chip JC1, electric capacity C1 three tunnels of the other end point connect chip U1 VC14 ports, resistance R3 and electric capacity respectively
RC1 one end, resistance R3 other end connection chip JC1 B14 ports, electric capacity RC1 three tunnels of the other end point connect core respectively
One end of piece U1 VC13 ports, resistance R4 and electric capacity C2, resistance R4 other end connection chip JC1 B13 ports, electric capacity C2
The other end point three tunnels connect respectively chip U1 VC12 ports, resistance R5 and electric capacity C3 one end, the resistance R5 other end connects
Chip JC1 B12 ports are connect, electric capacity C3 three tunnels of the other end point connect chip U1 VC11 ports, resistance R6 and electric capacity respectively
C4 one end, resistance R6 other end connection chip JC1 B11 ports, the electric capacity C4 other end point two-way connects chip respectively
U1 VC10x ports and electric capacity C5 one end, the electric capacity C5 other end point two-way connects chip U1 VC10B ports and resistance respectively
R7 one end, resistance R7 other end connection chip JC1 B10 ports；Three tunnels of the VC10 ports of the chip U1 point connect respectively
Connect diode D2 anode port, electric capacity C6 and resistance R8 one end, the resistance R8 other end and resistance R7 other end boundling
Chip JC1 B10 ports are connected to after connection, electric capacity C6 three tunnels of the other end point connect chip U1 VC9 ports, resistance respectively
R1 and electric capacity RC2 one end, resistance R1 other end connection chip JC1 B9 ports, electric capacity RC2 three tunnels of the other end point difference
Connect chip U1 VC8 ports, electric capacity C7 and resistance R9 one end, resistance R9 other end connection chip JC1 B8 ports, electricity
Appearance C7 three tunnels of the other end point connect chip U1 VC7 ports, resistance R10 and electric capacity C8 one end respectively, and resistance R10's is another
End connection chip JC1 B7 ports, the electric capacity C8 other end divides the one of three road chip U1 VC6 ports, resistance R11 and electric capacity C9
End, resistance R11 other end connection chip JC1 B6 ports, the electric capacity C9 other end point two-way connects chip U1's respectively
VC5x ports and electric capacity C10 one end, the electric capacity C10 other end point two-way connect chip U1 VC5B ports and resistance respectively
R12 one end, resistance R12 other end connection chip JC1 B5 ports；Three tunnels of the VC5 ports of the chip U1 point connect respectively
Connect diode D3 anode port, electric capacity C11 and resistance R13 one end, the resistance R13 other end and the resistance R12 other end
Be connected to chip JC1 B5 ports after boundling connection, electric capacity C11 three tunnels of the other end point connect respectively chip U1 VC4 ports,
Electric capacity C12 and resistance R14 one end, resistance R14 other end connection chip JC1 B4 ports, the electric capacity C12 other end point three
Road connects chip U1 VC3 ports, electric capacity C13 and resistance R15 one end respectively, resistance R15 other end connection chip JC1's
B3 ports, electric capacity C13 three tunnels of the other end point connect chip U1 VC2 ports, electric capacity C14 and resistance R16 one end, electricity respectively
R16 other end connection chip JC1 B2 ports are hindered, electric capacity C14 three tunnels of the other end point connect chip U1 VC1 ends respectively
One end of mouth, electric capacity C15 and resistance R17, resistance R17 other end connection chip JC1 B1 ports, the electric capacity C15 other end
Two-way is divided to be grounded and connect respectively electric capacity C16, the electric capacity C16 other end point two-way connects resistance R18 and chip U1 VC0 respectively
Port, resistance the R18 other end and resistance RS1, resistance RS2, resistance RS3, resistance RS4, resistance RS5, resistance RS6, resistance
RS7, resistance RS8 and resistance R19 other end boundling are connected and are grounded.
The connection of G ports the resistance Rd2, power tube QD4 of the power tube QD3 connection of G ports resistance Rd3, power tube QD5
The connection of G ports resistance Rd4, power tube QD6 G ports connection resistance Rd5.
The ALERT ports of the chip U1 point two-way, connects chip U1 ALERT ports composition loop, Ling Yilu all the way
Connect resistance R28 one end, resistance R28 other end ground connection.
The VSS ports ground connection of the chip U1, chip U1 SDA ports connection resistance R22 and composition loop, chip U1's
SCL ports connect resistance R23 and composition loop, and chip U1 TS1 ports point two-way connects resistance RT3's and resistance R24 respectively
One end, resistance RT3 other end ground connection, resistance R24 other end connection diode D4 negative electrode port, diode D4 anode
Port connection PTA7 ports, chip U1 CAP1 ports connection electric capacity C22 one end, electric capacity C22 other end ground connection, chip U1
REGOUT ports point three tunnels connect one end of 3.3V power supplys, chip U1 TP3 ports and electric capacity C33 respectively, electric capacity C33's is another
One end is grounded.
The model bq76940, the model XH-15-W of the chip JC1 of the chip U1.
Compared with the existing technology, intelligent control MCU is used for constantly monitoring the present invention, with battery core error protection, failure lock
Only function, lifts LEV security, and intelligent control power supply dormancy makes battery whole energy more than 10%, can high current it is fast
Speed electric discharge, under special charger, can meet 2C chargings, can be full of within 40 minutes, coulomb metering reads display and constantly shows electricity
Amount, increase lithium battery assembling exploration project economic well-being of workers and staff, while having saved financial cost, delays cell degradation.
Brief description of the drawings
Fig. 1 is circuit theory diagrams of the invention.
Fig. 2 is the enlarged diagram in left side in Fig. 1.
Fig. 3 is the enlarged diagram on right side in Fig. 1.
Fig. 4 is the enlarged diagram of downside in Fig. 1.
Embodiment
The invention will now be described in further detail with reference to the accompanying drawings.
As shown in Figure 1 to 4, the chip U1 provided with 41 ports be respectively DSG ports, CHG ports, VSS ports,
SDA ports, SCL ports, TS1 ports, CAP1 ports, REGOUT ports, REGSRC ports, VC5x ports, NC1 ports, NC2 ends
Mouth, TS2 ports, CAP2 ports, VC10x ports, NC3 ports, NC4 ports, TS3 ports, CAP3 ports, BAT ports, VC15 ends
Mouth, VC14 ports, VC13 ports, VC12 ports, VC11 ports, VC10B ports, VC10 ports, VC9 ports, VC8 ports, VC7
Port, VC6 ports, VC5B ports, VC5 ports, VC4 ports, VC3 ports, VC2 ports, VC1 ports, VC0 ports, SRP ends
Mouth, SRN ports, ALERT ports, chip U1 three tunnels of DSG ports point connect resistance R21, resistance Rd1 and resistance Rd5 respectively
One end, resistance Rd1 other end connection power tube QD1 G ports, resistance Rd5 other end connection power tube QD2 G ports,
17 tunnels of the resistance R21 other end point connect resistance RS1, resistance RS2, resistance RS3, resistance RS4, resistance RS5, resistance respectively
RS6, resistance RS7, resistance RS8, resistance R20, power tube QD1 S ports, power tube QD2 S ports, power tube QD3 S ends
Mouth, power tube QD4 S ports, power tube QD5 S ports, power tube QD6 S ports, power tube QC1 D ports and power
One end of pipe QC2 D ports, resistance R20 three tunnels of the other end point connect chip U1 SRN ports, electric capacity C19 and electric capacity respectively
C18 one end, electric capacity C19 other end ground connection, electric capacity C18 three tunnels of the other end point connect chip U1 SRP ports, electricity respectively
Hold C17 and resistance R19 one end, electric capacity C17 other end ground connection, resistance the R19 other end and resistance RS1, resistance RS2, electricity
Ground connection and battery core are always born after resistance RS3, resistance RS4, resistance RS5, resistance RS6, resistance RS7, resistance RS8 other end boundling connection
B-1 ports；The D ports of the power tube QD1, power tube QD2 D ports, power tube QD3 D ports, power tube QD4 D ends
A point two-way connects one end of resistance R34 and put respectively after mouth, power tube QD5 D ports, power tube QD6 D ports boundling connection
Electric negative pole P-1 ports, the other end connection diode D6 of resistance R34 anode port, diode D6 negative electrode port connection is put
Port DC ports are electrically activated, four tunnels of S ports point of the power tube QC1 connect power tube QC2 S ports, power tube QC3 respectively
S ports, power tube QC4 S ports and resistance R27 one end, resistance R27 six tunnels of the other end point connect power tube respectively
QC1 G ports, power tube QC2 G ports, power tube QC3 G ports, power tube QC4 G ports, diode D5 negative electrode
Port and resistance R25 one end, the R25 other end point two-way connect diode D5 anode port and metal-oxide-semiconductor Q1 D ends respectively
Mouthful, the S ports connection chip U1 of metal-oxide-semiconductor Q1 CHG ports, metal-oxide-semiconductor Q1 G ports ground connection；The D of the power tube QC3
Point two-way connects charging negative pole CH- ports and resistance R31 one end respectively after port and power tube QC4 D ports boundling connection,
The resistance R31 other end point two-way connection metal-oxide-semiconductor Q4 G ports and resistance R32 one end, the resistance R32 other end point two-way
Metal-oxide-semiconductor Q4 S ports and resistance R33 one end, metal-oxide-semiconductor Q4 D ports connection diode D7 anode port, two are connected respectively
Pole pipe D7 negative electrode port connection charging activation port CC ports, the resistance R33 other end connection chip JC1 total positive B+ of battery core
Port.
Electric capacity C21 one end, chip are connected after NC1 ports, NC2 ports and the connection of CAP2 ports boundling of the chip U1
TS2 ports connection resistance RT2 one end, electric capacity is connected after chip U1 NC3 ports, NC4 ports and the connection of CAP3 ports boundling
C20 one end, electric capacity C20 other end connection chip U1 VC10x ports, the one of the TS3 ports connection resistance RT1 of chip
End, the resistance RT1 other end is connected on chip U1 VC10x ports, and chip U1 REGSRC ports point two-way is connected respectively
Electric capacity C23 and metal-oxide-semiconductor Q3 S ports, electric capacity C23 other end ground connection, metal-oxide-semiconductor Q3 four tunnels of G ports point connect chip respectively
U1 VC5x ports, electric capacity C24, electric capacity C29 and electric capacity C31 one end, electric capacity C24, electric capacity C29 and electric capacity the C31 other end
It is connected to after boundling connection on chip U1 VC10x, metal-oxide-semiconductor Q3 D ports connection metal-oxide-semiconductor Q2 S ports, metal-oxide-semiconductor Q2 G ends
The tunnels of Kou Fen tetra- connect chip U1 VC10x ports, electric capacity C25, electric capacity C28 and electric capacity C32 one end, electric capacity C25, electric capacity respectively
It is connected to after C28 and electric capacity C32 other end boundling connection on chip U1 BAT ports, metal-oxide-semiconductor Q2 D ports point two-way point
Not Lian Jie P+1 ports and resistance R26 one end, resistance R26 three tunnels of the other end point connect electric capacity C25, electric capacity C28 and electricity respectively
Hold C32 one end, metal-oxide-semiconductor Q2 G ports are connected to after electric capacity C25, electric capacity C28 and electric capacity C32 other end boundling connection
On；The VC5x ports of the chip U1 point eight tunnels connect diode D3 negative electrode port, the resistance RT2 other end, electric capacity respectively
The C21 other end, electric capacity C26, electric capacity C27, electric capacity C30 and resistance R30 one end, resistance R30 other end connection chip U1
TP2 ports, electric capacity C26, electric capacity C27 and electric capacity C30 the other end boundling connection after be grounded；The VC10x ends of the chip U1
Mouth branch connects the one of diode D2 negative electrode port, the resistance RT1 other end, the electric capacity C20 other end and resistance R29 respectively
End, the resistance R29 other end is connected on chip U1 TP1 ports.
Three tunnels of the VC15 ports of the chip U1 point connect diode D1 anode port, electric capacity C1 and resistance R2's respectively
One end, diode D1 negative electrode port connection chip U1 BAT ports, the resistance R2 other end point two-way connects B+1 ends respectively
The B+ ports of mouth and chip JC1, electric capacity C1 three tunnels of the other end point connect chip U1 VC14 ports, resistance R3 and electric capacity respectively
RC1 one end, resistance R3 other end connection chip JC1 B14 ports, electric capacity RC1 three tunnels of the other end point connect core respectively
One end of piece U1 VC13 ports, resistance R4 and electric capacity C2, resistance R4 other end connection chip JC1 B13 ports, electric capacity C2
The other end point three tunnels connect respectively chip U1 VC12 ports, resistance R5 and electric capacity C3 one end, the resistance R5 other end connects
Chip JC1 B12 ports are connect, electric capacity C3 three tunnels of the other end point connect chip U1 VC11 ports, resistance R6 and electric capacity respectively
C4 one end, resistance R6 other end connection chip JC1 B11 ports, the electric capacity C4 other end point two-way connects chip respectively
U1 VC10x ports and electric capacity C5 one end, the electric capacity C5 other end point two-way connects chip U1 VC10B ports and resistance respectively
R7 one end, resistance R7 other end connection chip JC1 B10 ports；Three tunnels of the VC10 ports of the chip U1 point connect respectively
Connect diode D2 anode port, electric capacity C6 and resistance R8 one end, the resistance R8 other end and resistance R7 other end boundling
Chip JC1 B10 ports are connected to after connection, electric capacity C6 three tunnels of the other end point connect chip U1 VC9 ports, resistance respectively
R1 and electric capacity RC2 one end, resistance R1 other end connection chip JC1 B9 ports, electric capacity RC2 three tunnels of the other end point difference
Connect chip U1 VC8 ports, electric capacity C7 and resistance R9 one end, resistance R9 other end connection chip JC1 B8 ports, electricity
Appearance C7 three tunnels of the other end point connect chip U1 VC7 ports, resistance R10 and electric capacity C8 one end respectively, and resistance R10's is another
End connection chip JC1 B7 ports, the electric capacity C8 other end divides the one of three road chip U1 VC6 ports, resistance R11 and electric capacity C9
End, resistance R11 other end connection chip JC1 B6 ports, the electric capacity C9 other end point two-way connects chip U1's respectively
VC5x ports and electric capacity C10 one end, the electric capacity C10 other end point two-way connect chip U1 VC5B ports and resistance respectively
R12 one end, resistance R12 other end connection chip JC1 B5 ports；Three tunnels of the VC5 ports of the chip U1 point connect respectively
Connect diode D3 anode port, electric capacity C11 and resistance R13 one end, the resistance R13 other end and the resistance R12 other end
Be connected to chip JC1 B5 ports after boundling connection, electric capacity C11 three tunnels of the other end point connect respectively chip U1 VC4 ports,
Electric capacity C12 and resistance R14 one end, resistance R14 other end connection chip JC1 B4 ports, the electric capacity C12 other end point three
Road connects chip U1 VC3 ports, electric capacity C13 and resistance R15 one end respectively, resistance R15 other end connection chip JC1's
B3 ports, electric capacity C13 three tunnels of the other end point connect chip U1 VC2 ports, electric capacity C14 and resistance R16 one end, electricity respectively
R16 other end connection chip JC1 B2 ports are hindered, electric capacity C14 three tunnels of the other end point connect chip U1 VC1 ends respectively
One end of mouth, electric capacity C15 and resistance R17, resistance R17 other end connection chip JC1 B1 ports, the electric capacity C15 other end
Two-way is divided to be grounded and connect respectively electric capacity C16, the electric capacity C16 other end point two-way connects resistance R18 and chip U1 VC0 respectively
Port, resistance the R18 other end and resistance RS1, resistance RS2, resistance RS3, resistance RS4, resistance RS5, resistance RS6, resistance
RS7, resistance RS8 and resistance R19 other end boundling are connected and are grounded.
The connection of G ports the resistance Rd2, power tube QD4 of the power tube QD3 connection of G ports resistance Rd3, power tube QD5
The connection of G ports resistance Rd4, power tube QD6 G ports connection resistance Rd5.
The ALERT ports of the chip U1 point two-way, connects chip U1 ALERT ports composition loop, Ling Yilu all the way
Connect resistance R28 one end, resistance R28 other end ground connection.
The VSS ports ground connection of the chip U1, chip U1 SDA ports connection resistance R22 and composition loop, chip U1's
SCL ports connect resistance R23 and composition loop, and chip U1 TS1 ports point two-way connects resistance RT3's and resistance R24 respectively
One end, resistance RT3 other end ground connection, resistance R24 other end connection diode D4 negative electrode port, diode D4 anode
Port connection PTA7 ports, chip U1 CAP1 ports connection electric capacity C22 one end, electric capacity C22 other end ground connection, chip U1
REGOUT ports point three tunnels connect one end of 3.3V power supplys, chip U1 TP3 ports and electric capacity C33 respectively, electric capacity C33's is another
One end is grounded.
The model bq76940, the model XH-15-W of the chip JC1 of the chip U1.
The effect of the PAT7 ports is that MCU gives bq76940 mono- high level, makes bq76940 from park mode to work
Pattern.
Claims (7)
1. a kind of charge-discharge circuit for LEV lithium battery group, including chip U1, chip JC1, it is characterized in that：
The chip U1 provided with 41 ports be respectively DSG ports, CHG ports, VSS ports, SDA ports, SCL ports, TS1 ports,
CAP1 ports, REGOUT ports, REGSRC ports, VC5x ports, NC1 ports, NC2 ports, TS2 ports, CAP2 ports,
VC10x ports, NC3 ports, NC4 ports, TS3 ports, CAP3 ports, BAT ports, VC15 ports, VC14 ports, VC13 ends
Mouth, VC12 ports, VC11 ports, VC10B ports, VC10 ports, VC9 ports, VC8 ports, VC7 ports, VC6 ports, VC5B
Port, VC5 ports, VC4 ports, VC3 ports, VC2 ports, VC1 ports, VC0 ports, SRP ports, SRN ports, ALERT ends
Mouthful, chip U1 three tunnels of DSG ports point connect resistance R21, resistance Rd1 and resistance Rd5 one end respectively, and resistance Rd1's is another
End connection power tube QD1 G ports, resistance Rd5 other end connection power tube QD2 G ports, the resistance R21 other end point
17 tunnels connect resistance RS1, resistance RS2, resistance RS3, resistance RS4, resistance RS5, resistance RS6, resistance RS7, resistance respectively
RS8, resistance R20, power tube QD1 S ports, power tube QD2 S ports, power tube QD3 S ports, power tube QD4 S ends
Mouth, power tube QD5 S ports, power tube QD6 S ports, the one of power tube QC1 D ports and power tube QC2 D ports
End, resistance R20 three tunnels of the other end point connect chip U1 SRN ports, electric capacity C19 and electric capacity C18 one end, electric capacity respectively
C19 other end ground connection, electric capacity C18 three tunnels of the other end point connect chip U1 SRP ports, electric capacity C17 and resistance R19 respectively
One end, electric capacity C17 other end ground connection, resistance the R19 other end and resistance RS1, resistance RS2, resistance RS3, resistance RS4,
Battery core, which is grounded and connects, after resistance RS5, resistance RS6, resistance RS7, resistance RS8 other end boundling connection always bears B-1 ports；It is described
Power tube QD1 D ports, power tube QD2 D ports, power tube QD3 D ports, power tube QD4 D ports, power tube QD5
D ports, point two-way connects one end and electric discharge negative pole P-1 ends of resistance R34 respectively after power tube QD6 D ports boundlings connection
Mouthful, the other end connection diode D6 of resistance R34 anode port, diode D6 negative electrode port connection electric discharge activation port DC
Port, four tunnels of S ports point of the power tube QC1 connect power tube QC2 S ports, power tube QC3 S ports, power respectively
Pipe QC4 S ports and resistance R27 one end, resistance R27 six tunnels of the other end point connect power tube QC1 G ports, work(respectively
Rate pipe QC2 G ports, power tube QC3 G ports, power tube QC4 G ports, diode D5 negative electrode port and resistance R25
One end, the R25 other end point two-way connects diode D5 anode port and metal-oxide-semiconductor Q1 D ports, the metal-oxide-semiconductor respectively
Q1 S ports connection chip U1 CHG ports, metal-oxide-semiconductor Q1 G ports ground connection；The D ports of the power tube QC3 and power tube
Point two-way connects charging negative pole CH- ports and resistance R31 one end respectively after QC4 D ports boundling connection, and resistance R31's is another
One end point two-way connection metal-oxide-semiconductor Q4 G ports and resistance R32 one end, the resistance R32 other end point two-way connect MOS respectively
Pipe Q4 S ports and resistance R33 one end, metal-oxide-semiconductor Q4 D ports connection diode D7 anode port, diode D7 the moon
Extreme mouth connection charging activation port CC ports, the resistance R33 other end connection chip JC1 total positive B+ ports of battery core.
2. a kind of charge-discharge circuit for LEV lithium battery group as claimed in claim 1, it is characterized in that：Institute
One end of connection electric capacity C21 after chip U1 NC1 ports, NC2 ports and CAP2 ports boundling connection is stated, chip TS2 ports connect
Connecting resistance RT2 one end, connects electric capacity C20 one end after chip U1 NC3 ports, NC4 ports and the connection of CAP3 ports boundling,
Electric capacity C20 other end connection chip U1 VC10x ports, the TS3 ports connection resistance RT1 of chip one end, resistance RT1's
The other end is connected on chip U1 VC10x ports, and chip U1 REGSRC ports point two-way connects electric capacity C23 and MOS respectively
Pipe Q3 S ports, electric capacity C23 other end ground connection, four tunnels of metal-oxide-semiconductor Q3 G ports point connect respectively chip U1 VC5x ports,
Electric capacity C24, electric capacity C29 and electric capacity C31 one end, are connected after electric capacity C24, electric capacity C29 and electric capacity C31 other end boundling connection
On chip U1 VC10x, metal-oxide-semiconductor Q3 D ports connection metal-oxide-semiconductor Q2 S ports, metal-oxide-semiconductor Q2 four tunnels of G ports point connect respectively
Connect chip U1 VC10x ports, electric capacity C25, electric capacity C28 and electric capacity C32 one end, electric capacity C25, electric capacity C28 and electric capacity C32's
Be connected to after the connection of other end boundling on chip U1 BAT ports, metal-oxide-semiconductor Q2 D ports point two-way connect respectively P+1 ports and
Resistance R26 one end, resistance R26 three tunnels of the other end point connect electric capacity C25, electric capacity C28 and electric capacity C32 one end, electricity respectively
It is connected to after the other end boundling connection for holding C25, electric capacity C28 and electric capacity C32 on metal-oxide-semiconductor Q2 G ports；The chip U1's
VC5x ports point eight tunnels connect diode D3 negative electrode port, the resistance RT2 other end, the electric capacity C21 other end, electric capacity respectively
C26, electric capacity C27, electric capacity C30 and resistance R30 one end, resistance R30 other end connection chip U1 TP2 ports, electric capacity
It is grounded after C26, electric capacity C27 and electric capacity C30 other end boundling connection；The VC10x ports branch of the chip U1 is connected respectively
Diode D2 negative electrode port, the resistance RT1 other end, the electric capacity C20 other end and resistance R29 one end, resistance R29's is another
One end is connected on chip U1 TP1 ports.
3. a kind of charge-discharge circuit for LEV lithium battery group as claimed in claim 1, it is characterized in that：Institute
State chip U1 VC15 ports point three tunnels connect respectively diode D1 anode port, electric capacity C1 and resistance R2 one end, two poles
Pipe D1 negative electrode port connection chip U1 BAT ports, the resistance R2 other end point two-way connects B+1 ports and chip respectively
JC1 B+ ports, electric capacity C1 three tunnels of the other end point connect the one of chip U1 VC14 ports, resistance R3 and electric capacity RC1 respectively
End, resistance R3 other end connection chip JC1 B14 ports, electric capacity RC1 three tunnels of the other end point connect chip U1's respectively
One end of VC13 ports, resistance R4 and electric capacity C2, resistance R4 other end connection chip JC1 B13 ports, electric capacity C2's is another
The tunnels of Duan Fen tri- connect chip U1 VC12 ports, resistance R5 and electric capacity C3 one end, resistance R5 other end connection chip respectively
JC1 B12 ports, electric capacity C3 three tunnels of the other end point connect the one of chip U1 VC11 ports, resistance R6 and electric capacity C4 respectively
End, resistance R6 other end connection chip JC1 B11 ports, the electric capacity C4 other end point two-way connects chip U1's respectively
VC10x ports and electric capacity C5 one end, the electric capacity C5 other end point two-way connect chip U1 VC10B ports and resistance R7 respectively
One end, resistance R7 other end connection chip JC1 B10 ports；Three tunnels of the VC10 ports of the chip U1 point connect two respectively
One end of pole pipe D2 anode port, electric capacity C6 and resistance R8, the resistance R8 other end is connected with resistance R7 other end boundling
Be connected to chip JC1 B10 ports afterwards, electric capacity C6 three tunnels of the other end point connect respectively chip U1 VC9 ports, resistance R1 and
Electric capacity RC2 one end, resistance R1 other end connection chip JC1 B9 ports, electric capacity RC2 three tunnels of the other end point are connected respectively
One end of chip U1 VC8 ports, electric capacity C7 and resistance R9, resistance R9 other end connection chip JC1 B8 ports, electric capacity C7
The other end point three tunnels connect respectively chip U1 VC7 ports, resistance R10 and electric capacity C8 one end, the resistance R10 other end connects
Chip JC1 B7 ports are connect, the electric capacity C8 other end divides three road chip U1 VC6 ports, resistance R11 and electric capacity C9 one end,
Resistance R11 other end connection chip JC1 B6 ports, the electric capacity C9 other end point two-way connects chip U1 VC5x ends respectively
Mouthful and electric capacity C10 one end, the electric capacity C10 other end point two-way connect respectively chip U1 VC5B ports and resistance R12 one
End, resistance R12 other end connection chip JC1 B5 ports；Three tunnels of the VC5 ports of the chip U1 point connect diode respectively
One end of D3 anode port, electric capacity C11 and resistance R13, the resistance R13 other end is connected with resistance R12 other end boundling
Chip JC1 B5 ports are connected to afterwards, and electric capacity C11 three tunnels of the other end point connect chip U1 VC4 ports, electric capacity C12 respectively
With resistance R14 one end, resistance R14 other end connection chip JC1 B4 ports, electric capacity C12 three tunnels of the other end point difference
Connect chip U1 VC3 ports, electric capacity C13 and resistance R15 one end, resistance R15 other end connection chip JC1 B3 ends
Mouthful, electric capacity C13 three tunnels of the other end point connect chip U1 VC2 ports, electric capacity C14 and resistance R16 one end, resistance respectively
R16 other end connection chip JC1 B2 ports, electric capacity C14 three tunnels of the other end point connect respectively chip U1 VC1 ports,
Electric capacity C15 and resistance R17 one end, resistance R17 other end connection chip JC1 B1 ports, the electric capacity C15 other end are divided to two
Road is grounded and connected respectively electric capacity C16, and the electric capacity C16 other end point two-way connects resistance R18 and chip U1 VC0 ends respectively
Mouthful, the resistance R18 other end and resistance RS1, resistance RS2, resistance RS3, resistance RS4, resistance RS5, resistance RS6, resistance RS7,
Resistance RS8 and resistance R19 other end boundling is connected and is grounded.
4. a kind of charge-discharge circuit for LEV lithium battery group as claimed in claim 1, it is characterized in that：Institute
The G ports for stating power tube the QD3 connection of G ports resistance Rd2, power tube the QD4 connection of G ports resistance Rd3, power tube QD5 connect
Connecting resistance Rd4, power tube QD6 G ports connection resistance Rd5.
5. a kind of charge-discharge circuit for LEV lithium battery group as claimed in claim 1, it is characterized in that：Institute
Chip U1 ALERT ports point two-way is stated, chip U1 ALERT ports composition loop, another road connection resistance R28 are connected all the way
One end, resistance R28 the other end ground connection.
6. a kind of charge-discharge circuit for LEV lithium battery group as claimed in claim 1, it is characterized in that：Institute
Chip U1 VSS ports ground connection, chip U1 SDA ports connection resistance R22 and composition loop are stated, chip U1 SCL ports connect
Connecting resistance R23 and composition loop, chip U1 TS1 ports point two-way connect resistance RT3 and resistance R24 one end, resistance respectively
RT3 other end ground connection, resistance R24 other end connection diode D4 negative electrode port, diode D4 anode port connection
PTA7 ports, chip U1 CAP1 ports connection electric capacity C22 one end, electric capacity C22 other end ground connection, chip U1 REGOUT
Three tunnels of port point connect one end of 3.3V power supplys, chip U1 TP3 ports and electric capacity C33, electric capacity C33 another termination respectively
Ground.
7. a kind of charge-discharge circuit for LEV lithium battery group as claimed in claim 1, it is characterized in that：Institute
State chip U1 model bq76940, the model XH-15-W of the chip JC1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710346043.9A CN107104483A (en) | 2017-05-17 | 2017-05-17 | A kind of charge-discharge circuit for LEV lithium battery group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710346043.9A CN107104483A (en) | 2017-05-17 | 2017-05-17 | A kind of charge-discharge circuit for LEV lithium battery group |
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| Publication Number | Publication Date |
|---|---|
| CN107104483A true CN107104483A (en) | 2017-08-29 |
Family
ID=59669133
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710346043.9A Withdrawn CN107104483A (en) | 2017-05-17 | 2017-05-17 | A kind of charge-discharge circuit for LEV lithium battery group |
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