CN106936184A - A kind of integrated circuit of Vehicular charger and DCDC - Google Patents
A kind of integrated circuit of Vehicular charger and DCDC Download PDFInfo
- Publication number
- CN106936184A CN106936184A CN201710150533.1A CN201710150533A CN106936184A CN 106936184 A CN106936184 A CN 106936184A CN 201710150533 A CN201710150533 A CN 201710150533A CN 106936184 A CN106936184 A CN 106936184A
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- Prior art keywords
- circuit
- switching tube
- lateral
- electric capacity
- battery
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
-
- 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
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/20—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by converters located in the vehicle
- B60L53/22—Constructional details or arrangements of charging converters specially adapted for charging electric vehicles
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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
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
-
- 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
-
- 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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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
- Y02T10/72—Electric energy management in electromobility
-
- 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
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
The invention discloses a kind of Vehicular charger and the integrated circuit of DCDC, including：A-battery lateral circuit and couple three transformer T1 of circuit that the high-tension battery lateral circuit that the PFC lateral circuit being connected with circuit of power factor correction is connected with high-tension battery circuit is connected with A-battery circuit.The present invention is integrated by independent Vehicular charger and powerful DCDC modules, share power switch pipe and control circuit, share a magnetic core transmission energy, the control and switching of charger pattern, DCDC patterns and inverter mode can flexibly be realized, circuit design is succinctly ingenious, small volume, lightweight, low cost.
Description
Technical field
The present invention relates to charging electric vehicle technical field, more particularly to a kind of Vehicular charger and DCDC integrated electricity
Road.
Background technology
With energy-saving and emission-reduction and the raising of control atmosphere pollution requirement, new-energy automobile is gradually commercial in market, and electric
Electrical automobile is even more the main force of new-energy automobile.Electric automobile is divided into pure electric automobile and mixed electrical automobile, wherein vehicle-mounted charge again
Machine and powerful DCDC are important parts in electric automobile.And in the prior art, Vehicular charger and DCDC modules
It is that dispersion is independent, even integrated, the assembling for falling within physical layer is integrated, causes assembly space big, high cost.
The content of the invention
The purpose of the present invention is directed to the defect that above-mentioned prior art is present, there is provided the collection of a kind of Vehicular charger and DCDC
Into circuit.
Vehicular charger and the integrated circuit of DCDC that the present invention is provided, the integrated circuit are electromechanical by the vehicle-mounted charge
Road module and DCDC modules carry out it is integrated, including：The PFC lateral circuit and height being connected with circuit of power factor correction
The A-battery lateral circuit that is connected with A-battery circuit of high-tension battery lateral circuit of piezoelectric battery circuit connection and couple three
The transformer T1 of individual circuit；
When needing to be charged to high-tension battery side, external control circuit controls the integrated circuit for charger mode of operation, institute
PFC lateral circuit is stated to high voltage stabilizing side voltage stabilizing transmission energy, the voltage stabilizing output of high-tension battery side is realized；
When needing by high-tension battery lateral low voltage battery side transmission energy, external control circuit controls the integrated circuit to be
DCDC mode of operations, the high-tension battery lateral circuit realizes that low voltage battery side voltage stabilizing is defeated to low voltage battery side circuit transmission energy
Go out；
When PFC side transmission energy lateral by high-tension battery is needed, external control circuit controls the integrated circuit
It is inverter mode, the high-tension battery lateral circuit realizes the inversion of energy to PFC lateral circuit voltage stabilizing transmission energy
Transmission.
The PFC lateral circuit includes first to fourth switching tube Q1-Q4, the first electric capacity C1, described first to
4th switching tube Q1-Q4 is sequentially connected in series by source electrode and drain electrode, the first winding W1 of the first electric capacity C1 and transformer T1 according to
It is secondary to be connected between the connecting line of the described first, connecting line of the 3rd switching tube Q1, Q3 and the second, the 4th switching tube；Institute
The grid for stating first to fourth switching tube Q1-Q4 is connected with the external control circuit respectively.
The PFC lateral circuit includes the first, the 3rd switching tube Q1, Q3, the first electric capacity C1, described first, the
Three switching tubes pass through source electrode and drain series at the two ends of circuit of power factor correction, the first electric capacity C1's and transformer T1
First winding W1 is connected in parallel on source electrode and the drain electrode two ends of the 3rd switching tube Q3 after being sequentially connected in series.
The high-tension battery lateral circuit includes the 5th to the 8th switching tube Q5-Q8, the second electric capacity C2, the described 5th to the 8th
Switching tube Q5-Q8 is sequentially connected in series by source electrode and drain electrode, and the second electric capacity C2 is connected to the five, the 6th switching tube Q5, Q6's
Between the connecting line of connecting line and the seven, the 8th switching tube Q7, Q8, the second winding W2 of the transformer T1 is connected to described
5th, between the connecting line of the 7th switching tube Q5, Q7 and the connecting line of the six, the 8th switching tubes；The two ends of the second electric capacity C2
It is high-voltage output end；The grid of the 5th-the eight switching tube Q5-Q8 is connected with the external control circuit respectively.
The A-battery lateral circuit includes the nine, the tenth switching tube Q9, Q10, the 3rd electric capacity C3, described nine, the tenth
Connected the three, the 4th winding W3, W4 of the transformer T1 between the drain electrode of switching tube Q9, Q10, and source electrode is interconnected, described
3rd electric capacity C3 is connected between the source electrode of the tenth switching tube Q10 and the connecting line of the three, the 4th winding W3, W4；It is described
Electric capacity C3 two ends are low-voltage output；The grid of described switching tube Q9, Q10 is connected with the external control circuit respectively.
The PFC lateral circuit also includes that the first inductance L1, the first inductance L1 is connected on first electricity
Between the first winding W1 of appearance C1 and transformer T1, or it is integrated in transformer T1.
The A-battery lateral circuit is also connected on the 3rd electric capacity C3 including the second inductance L2, the second inductance L2
And the connecting line of the three, the 4th winding W3, W4 of transformer T1 between, or it is integrated in transformer T1.
When the integrated circuit is charger mode of operation, the external control circuit is frequency modulation control circuit, control
The integrated circuit is resonant operational pattern, controls the switching frequency of the switching tube of PFC lateral circuit, power factor
Correction lateral circuit realizes the voltage stabilizing output of high-tension battery side to high-tension battery lateral circuit transmission energy；Wherein, high-tension battery is controlled
The switching tube of side and A-battery lateral circuit is operated in rectification mode；
When the integrated circuit is DCDC mode of operations, the external control circuit is pulse-width modulation circuit, controls the collection
It is modulation duty cycle mode of operation into circuit, the duty cycle of switching of high-tension battery lateral circuit switching tube is controlled, so that high-tension electricity
Pond lateral circuit realizes the voltage stabilizing output of low voltage battery side to low voltage battery side transmission energy；Wherein, A-battery lateral circuit is controlled
Switching tube be operated in rectification mode；
When the integrated circuit is inverter mode, the external circuit is frequency modulation control circuit, controls the integrated circuit to be
Resonant operational pattern, controls the switching frequency of the switching tube of high-tension battery lateral circuit, and high-tension battery lateral circuit is to power factor school
Positive side transmission energy, realizes the inversion transmission of energy；Wherein, the PFC lateral circuit and low voltage battery side electricity are controlled
The switching tube on road is operated in rectification mode.
The A-battery lateral circuit also includes low pressure mu balanced circuit, for the output voltage of voltage stabilizing low voltage battery side.
The low pressure mu balanced circuit includes the 11st, the 12nd switching tube Q11, Q12, the 4th electric capacity C4 and the 3rd inductance
The drain electrode of L3, the 11st switching tube Q11 is connected to the two of the 3rd electric capacity C3 with the source electrode of the 12nd switching tube Q12
End, the source electrode of the 11st switching tube Q11 is connected with the drain electrode of the 12nd switching tube, the 4th electric capacity C4 and the 3rd inductance
L3 is connected on the two ends of the 12nd switching tube Q12；The two ends of the 4th electric capacity C4 are low-voltage output.
Compared with prior art, the present invention is integrated by independent Vehicular charger and powerful DCDC modules, shares work(
Rate switching tube and control circuit, share a magnetic core transmission energy, can flexibly realize charger pattern, DCDC patterns and inversion
The control and switching of pattern, circuit design are succinctly ingenious, small volume, lightweight, low cost.
Brief description of the drawings
Fig. 1 is the circuit diagram of the embodiment of the present invention one；
Fig. 2 is the schematic diagram that the embodiment of the present invention one is operated in charger pattern；
Fig. 3 is the schematic diagram that the embodiment of the present invention one is operated in DCDC patterns；
Fig. 4 is the schematic diagram that the embodiment of the present invention one is operated in inverter mode；
Fig. 5 is the circuit diagram of the embodiment of the present invention two；
Fig. 6 is the circuit diagram of the embodiment of the present invention three.
Specific embodiment
Invention is described in detail with reference to the accompanying drawings and examples.
The invention provides a kind of Vehicular charger and the integrated circuit of DCDC, the integrated circuit is by Vehicular charger circuit
Module and DCDC modules carry out integrated, including the PFC lateral circuit and high pressure being connected with circuit of power factor correction
The A-battery lateral circuit that is connected with A-battery circuit of high-tension battery lateral circuit of battery circuit connection and couple three
The transformer T1 of circuit.
When needing to be charged to high-tension battery side, external control circuit controls integrated circuit for charger mode of operation, work(
Rate factor correcting lateral circuit realizes the voltage stabilizing output of high-tension battery side to high voltage stabilizing side voltage stabilizing transmission energy；
When low voltage battery side transmission energy lateral by high-tension battery is needed, it is DCDC works that external control circuit controls integrated circuit
Operation mode, high-tension battery lateral circuit realizes that low voltage battery side voltage stabilizing is exported to low voltage battery side circuit transmission energy；
When PFC side transmission energy lateral by high-tension battery is needed, it is inverse that external control circuit controls integrated circuit
Change pattern, high-tension battery lateral circuit realizes the inversion transmission of energy to PFC lateral circuit voltage stabilizing transmission energy.
Embodiment one
As shown in figure 1, the PFC lateral circuit being connected with external power factor correcting circuit in integrated circuit includes：
First to fourth switching tube Q1-Q4, the first electric capacity C1.First to fourth switching tube Q1-Q4 is sequentially connected in series by source electrode and drain electrode,
The first winding W1 of the first electric capacity C1 and transformer T1 be sequentially connected in series the connecting line of the first, the 3rd switching tube Q1, Q3 and second,
Between the connecting line of the 4th switching tube；The grid of first to fourth switching tube Q1-Q4 is connected with external control circuit respectively.
High-tension battery lateral circuit includes：5th to the 8th switching tube Q5-Q8, the second electric capacity C2.5th to the 8th switching tube
Q5-Q8 is sequentially connected in series by source electrode and drain electrode, and the second electric capacity C2 is connected to the connecting line and of the 5th, the 6th switching tube Q5, Q6
7th, between the connecting line of the 8th switching tube Q7, Q8, the second winding W2 of transformer T1 is connected to the five, the 7th switching tube Q5, Q7
Connecting line and the connecting line of the six, the 8th switching tubes between；The two ends of the second electric capacity C2 are high-voltage output end；5th-the eight
The grid of switching tube Q5-Q8 is connected with external control circuit respectively.
A-battery lateral circuit includes：Nine, the tenth switching tube Q9, Q10, the 3rd electric capacity C3, the nine, the tenth switching tubes
The three, the 4th winding W3, W4 of series transformer T1 between the drain electrode of Q9, Q10, source electrode is interconnected, the 3rd electric capacity C3, second
Inductance is connected between the source electrode of the tenth switching tube Q10 and the connecting line of the three, the 4th winding W3, W4；Electric capacity C3 two ends are low
Pressure output end；The grid of switching tube Q9, Q10 is connected with external control circuit respectively.
When integrated circuit needs to realize charger function, i.e., when in charger mode of operation, as shown in Fig. 2 outside adjust
The switching frequency of the switching tube Q1-Q4 of frequency modulation section PFC lateral circuit, controls integrated circuit for resonant operational pattern, electricity
Can be transmitted by the lateral high-tension battery side of PFC, realize the voltage stabilizing output of high-tension battery side, supplied to on-board high-voltage battery
Electricity；Wherein, the switching tube of control high-tension battery side and A-battery lateral circuit is operated in rectification mode.Under this mode of operation, hand over
After current switching power supply is processed through circuit of power factor correction, high-tension battery lateral circuit is transferred its energy to by transformer T1, from
And charged to on-board high-voltage battery.Wherein, the frequency of regulation switching tube Q1-Q4 can accordingly adjust the output electricity of high-tension battery side
Pressure.
When integrated circuit needs to realize DCDC functions, i.e., when in DCDC mode of operations, as shown in figure 3, outside pulsewidth is adjusted
Circuit processed adjusts the dutycycle of high-tension battery lateral circuit switching tube, and it is modulation duty cycle Working mould to control high-tension battery lateral circuit
Formula, by the converting direct-current power into alternating-current power of high-tension battery side, so that A-battery lateral circuit is delivered energy to by transformer T1,
The voltage stabilizing output of low voltage battery side is realized, is charged to vehicle-mounted A-battery；Now control circuit controls A-battery lateral circuit
Switching tube is operated in rectification mode.
When integrated circuit needs to realize inversion function, i.e., when in inverter mode, as shown in figure 4, outside frequency modulation control electricity
The switching frequency of the switching tube of road regulation high-tension battery lateral circuit, controls integrated circuit for resonant operational pattern, and electric energy is by high pressure
The lateral PFC side transmission of battery, realizes the inversion transmission of energy；Wherein, PFC lateral circuit and low tension
The switching tube of pond lateral circuit is operated in rectification mode.Under this mode of operation, PFC side is electrically connected with external loading,
The electric energy of on-board high-voltage battery storage can outwards discharge, and to external loading supplying energy, realize various functions.
Embodiment two
As shown in figure 5, the circuit of the integrated circuit of the present embodiment including embodiment one and low in low pressure electrical measurement lateral circuit
Pressure mu balanced circuit, for the output voltage of voltage stabilizing low voltage battery side.
The low pressure mu balanced circuit includes the 11st, the 12nd switching tube Q11, Q12, the 4th electric capacity C4 and the 3rd inductance L3.
The drain electrode of the 11st switching tube Q11 is connected to the two ends of the 3rd electric capacity C3, the 11st with the source electrode of the 12nd switching tube Q12
The source electrode of switching tube Q11 is connected with the drain electrode of the 12nd switching tube, and the 4th electric capacity C4 is connected on the 12nd and opens with the 3rd inductance L3
Close the two ends of pipe Q12；The two ends of the 4th electric capacity C4 are low-voltage output.
Embodiment three
As shown in fig. 6, the PFC being connected with external power factor correcting circuit in the integrated circuit of the present embodiment
Lateral circuit includes：Firstth, the 3rd switching tube Q1, Q3, the first electric capacity C1, the first, the 3rd switching tube pass through source electrode and drain series
At the two ends of circuit of power factor correction, the first winding W1 of the first electric capacity C1 and transformer T1 is connected in parallel on the 3rd after being sequentially connected in series
The source electrode of switching tube Q3 and drain electrode two ends.
In the integrated circuit of the present embodiment in high-tension battery lateral circuit and A-battery lateral circuit and embodiment one one
Cause.
In any of the above-described embodiment, PFC lateral circuit can also be provided with the first inductance L1, the first inductance L1 string
It is associated between the first winding W1 of the first electric capacity C1 and transformer T1, or is integrated in transformer T1.A-battery lateral circuit is also
The second inductance L2, the second inductance L2 can be provided with and be connected on the company of the three, the 4th winding W3, W4 of the 3rd electric capacity C3 and transformer T1
Between wiring, or it is integrated in transformer T1.
Integrated circuit of the invention is entered with the other functions module of external control circuit and Vehicular charger by CAN
Row communication.
The present invention is integrated by independent Vehicular charger and powerful DCDC modules, shares power switch pipe and control electricity
Road, shares a magnetic core transmission energy, can flexibly realize charger pattern, the control of DCDC patterns and inverter mode and cut
Change, circuit design is succinctly ingenious, small volume, lightweight, low cost.
Above-described embodiment is merely to illustrate specific embodiment of the invention.It should be pointed out that general for this area
For logical technical staff, without departing from the inventive concept of the premise, some deformations and change can also be made, these deformations and
Change should all belong to protection scope of the present invention.
Claims (10)
1. the integrated circuit of a kind of Vehicular charger and DCDC, it is characterised in that the integrated circuit is by the Vehicular charger
Circuit module and DCDC modules carry out it is integrated, including the PFC lateral circuit that is connected with circuit of power factor correction and
A-battery lateral circuit and couple that the high-tension battery lateral circuit of high-tension battery circuit connection is connected with A-battery circuit
Three transformer T1 of circuit；
When needing to be charged to high-tension battery side, external control circuit controls the integrated circuit for charger mode of operation, institute
PFC lateral circuit is stated to high voltage stabilizing side voltage stabilizing transmission energy, the voltage stabilizing output of high-tension battery side is realized；
When needing by high-tension battery lateral low voltage battery side transmission energy, external control circuit controls the integrated circuit to be
DCDC mode of operations, the high-tension battery lateral circuit realizes that low voltage battery side voltage stabilizing is defeated to low voltage battery side circuit transmission energy
Go out；
When PFC side transmission energy lateral by high-tension battery is needed, external control circuit controls the integrated circuit
It is inverter mode, the high-tension battery lateral circuit realizes the inversion of energy to PFC lateral circuit voltage stabilizing transmission energy
Transmission.
2. integrated circuit as claimed in claim 1, it is characterised in that the PFC lateral circuit includes first to the
Four switching tube Q1-Q4, the first electric capacity C1, the first to fourth switching tube Q1-Q4 is sequentially connected in series by source electrode and drain electrode, described
The first winding W1 of the first electric capacity C1 and transformer T1 be sequentially connected in series the described first, connecting line of the 3rd switching tube Q1, Q3 with
Between described second, the connecting line of the 4th switching tube；The grid of the first to fourth switching tube Q1-Q4 respectively with the outside
Control circuit connection.
3. integrated circuit as claimed in claim 1, it is characterised in that the PFC lateral circuit includes first, the
Three switching tube Q1, Q3, the first electric capacity C1, described first, the 3rd switching tube are by source electrode and drain series in PFC
The two ends of circuit, the first winding W1 of the first electric capacity C1 and transformer T1 is connected in parallel on the 3rd switching tube Q3's after being sequentially connected in series
Source electrode and drain electrode two ends.
4. integrated circuit as claimed in claim 2 or claim 3, it is characterised in that the high-tension battery lateral circuit includes the 5th to the
Eight switching tube Q5-Q8, the second electric capacity C2, the 5th to the 8th switching tube Q5-Q8 is sequentially connected in series by source electrode and drain electrode, described
Second electric capacity C2 be connected to the five, the 6th switching tube Q5, Q6 connecting line and the seven, the 8th switching tube Q7, Q8 connecting line it
Between, the second winding W2 of the transformer T1 is connected to the connecting line and the six, the 8th of described five, the 7th switching tube Q5, Q7
Between the connecting line of switching tube；The two ends of the second electric capacity C2 are high-voltage output end；5th-the eight switching tube Q5-Q8
Grid be connected with the external control circuit respectively.
5. integrated circuit as claimed in claim 4, it is characterised in that the A-battery lateral circuit is opened including the nine, the tenth
Close pipe Q9, Q10, the of the 3rd electric capacity C3, the transformer T1 that connected between the described 9th, the drain electrode of the tenth switching tube Q9, Q10
3rd, the 4th winding W3, W4, source electrode is interconnected, and the 3rd electric capacity C3 is connected on the source electrode and the of the tenth switching tube Q10
3rd, between the connecting line of the 4th winding W3, W4；The electric capacity C3 two ends are low-voltage output；The grid of described switching tube Q9, Q10
Pole is connected with the external control circuit respectively.
6. the integrated circuit as described in claim any one of 2-4, it is characterised in that the PFC lateral circuit is also wrapped
The first inductance L1 is included, the first inductance L1 is connected between the first winding W1 of the first electric capacity C1 and transformer T1, or
It is integrated in transformer T1.
7. integrated circuit as claimed in claim 5, it is characterised in that the A-battery lateral circuit also includes the second inductance
L2, the second inductance L2 be connected on the three, the 4th winding W3, W4 of the 3rd electric capacity C3 and transformer T1 connecting line it
Between, or be integrated in transformer T1.
8. integrated circuit as claimed in claim 5, it is characterised in that when the integrated circuit is charger mode of operation,
The external control circuit is frequency modulation control circuit, controls the integrated circuit for resonant operational pattern, control power factor school
The switching frequency of the switching tube of positive lateral circuit, PFC lateral circuit is realized high to high-tension battery lateral circuit transmission energy
The voltage stabilizing output of piezoelectric battery side；Wherein, the switching tube of control high-tension battery side and A-battery lateral circuit is operated in rectification mode；
When the integrated circuit is DCDC mode of operations, the external control circuit is pulse-width modulation circuit, controls the collection
It is modulation duty cycle mode of operation into circuit, the duty cycle of switching of high-tension battery lateral circuit switching tube is controlled, so that high-tension electricity
Pond lateral circuit realizes the voltage stabilizing output of low voltage battery side to low voltage battery side transmission energy；Wherein, A-battery lateral circuit is controlled
Switching tube be operated in rectification mode；
When the integrated circuit is inverter mode, the external circuit is frequency modulation control circuit, controls the integrated circuit to be
Resonant operational pattern, controls the switching frequency of the switching tube of high-tension battery lateral circuit, and high-tension battery lateral circuit is to power factor school
Positive side transmission energy, realizes the inversion transmission of energy；Wherein, the PFC lateral circuit and low voltage battery side electricity are controlled
The switching tube on road is operated in rectification mode.
9. the integrated circuit as described in claim 5 or 6, it is characterised in that the A-battery lateral circuit also includes that low pressure is steady
Volt circuit, for the output voltage of voltage stabilizing low voltage battery side.
10. integrated circuit as claimed in claim 7, it is characterised in that the low pressure mu balanced circuit includes the 11st, the 12nd
Switching tube Q11, Q12, drain electrode and the 12nd switching tube of the 4th electric capacity C4 and the 3rd inductance L3, the 11st switching tube Q11
The source electrode of Q12 is connected to the two ends of the 3rd electric capacity C3, the source electrode of the 11st switching tube Q11 and the 12nd switching tube
Drain electrode is connected, and the 4th electric capacity C4 and the 3rd inductance L3 is connected on the two ends of the 12nd switching tube Q12；The 4th electric capacity C4
Two ends be low-voltage output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710150533.1A CN106936184A (en) | 2017-03-14 | 2017-03-14 | A kind of integrated circuit of Vehicular charger and DCDC |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710150533.1A CN106936184A (en) | 2017-03-14 | 2017-03-14 | A kind of integrated circuit of Vehicular charger and DCDC |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106936184A true CN106936184A (en) | 2017-07-07 |
Family
ID=59432662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710150533.1A Pending CN106936184A (en) | 2017-03-14 | 2017-03-14 | A kind of integrated circuit of Vehicular charger and DCDC |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106936184A (en) |
Cited By (34)
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| CN107627881A (en) * | 2017-09-18 | 2018-01-26 | 电子科技大学 | A kind of discharge and recharge of electric automobile and motor driving integrated apparatus |
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