CN109474046A - A kind of charge/discharge control circuit, mobile power source and power supply adaptor - Google Patents
A kind of charge/discharge control circuit, mobile power source and power supply adaptor Download PDFInfo
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- CN109474046A CN109474046A CN201811628194.4A CN201811628194A CN109474046A CN 109474046 A CN109474046 A CN 109474046A CN 201811628194 A CN201811628194 A CN 201811628194A CN 109474046 A CN109474046 A CN 109474046A
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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
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
The present invention is suitable for electronic technology field, provide a kind of charge/discharge control circuit, mobile power source and power supply adaptor, wherein, a kind of charge/discharge control circuit, it include: voltage output unit group, voltage conversion unit group and control unit, by the way that control unit is connected with voltage output unit group, so that control unit is able to detect that the connection status of each voltage output unit and charging equipment in voltage output unit group, and then when detecting that voltage output unit is connected with charging equipment, to the corresponding corresponding control signal of voltage conversion unit output of voltage output unit, voltage conversion unit is according to the control signal, the power for controlling the charging direct current of voltage output unit group output is equal to preset peak power output, it realizes when for charging equipment charging, maximum output power can be reached, improve charging Efficiency.
Description
Technical field
The invention belongs to electronic technology field more particularly to a kind of charge/discharge control circuits, mobile power source and power adaptation
Device.
Background technique
Nowadays mobile terminal has become one of indispensable tool in people's daily life and work, but mobile terminal
Electricity cruising ability is limited, therefore occurs many portable mobile power sources on the market, and mobile power source can be mobile whole
Such charging equipment is held to charge.
Existing USB fast charge transport protocol (USB Power Delivery, USB-PD) exports to multiple chargings are arranged
When port, it is necessary to which the power for distributing each charging output port in advance causes when for charging equipment charging, mobile power source
It is unable to reach peak power output, there is a problem of that charge efficiency is low.
Summary of the invention
The embodiment of the invention provides a kind of charge/discharge control circuit and mobile power sources, can charge for charging equipment
When, reach peak power output, improves charge efficiency.
The purpose of the present invention is to provide a kind of charge/discharge control circuits, are connected with power supply, and the charge/discharge control circuit includes:
Voltage output unit group, including at least two voltage output units, the voltage output unit is for connecting wait fill
Electric equipment；
Voltage conversion unit group, the voltage conversion to connect one to one including at least two with the voltage output unit are single
Member, the voltage conversion unit pass through institute for converting to the output voltage of the power supply, and according to control signal determination
State the charging direct current of voltage output unit group output, wherein the power of the charging direct current is equal to preset maximum output
Power；
Control unit is connected, for working as respectively with each voltage output unit and each voltage conversion unit
When detecting that the voltage output unit is connected with the charging equipment, the corresponding voltage of Xiang Suoshu voltage output unit
Converting unit exports the control signal.
It further include electric discharge control as described above another object of the present invention is to provide a kind of mobile power source, including power supply
Circuit processed.
A further purpose of the present invention is to provide a kind of power supply adaptor, charge for connecting power supply for charging equipment,
Power supply adaptor includes charge/discharge control circuit as described above.
A kind of charge/discharge control circuit, mobile power source and power supply adaptor provided by the invention, wherein a kind of control of discharge
Circuit, comprising: voltage output unit group, voltage conversion unit group and control unit, by by control unit and voltage output
Unit group is connected, so that control unit is able to detect that each voltage output unit in voltage output unit group is set with to be charged
Standby connection status, and then when detecting that voltage output unit is connected with charging equipment, it is corresponding to voltage output unit
The corresponding control signal of voltage conversion unit output, voltage conversion unit control voltage output unit group according to the control signal
The power of the charging direct current of output is equal to preset peak power output, realizes when for charging equipment charging, Neng Gouda
To maximum output power, charge efficiency is improved.
Detailed description of the invention
Technical solution in order to illustrate the embodiments of the present invention more clearly, below will be to needed in embodiment description
Attached drawing is briefly described, it should be apparent that, drawings in the following description are some embodiments of the invention, general for this field
For logical technical staff, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of charge/discharge control circuit provided in an embodiment of the present invention；
Fig. 2 is a kind of concrete structure schematic diagram of charge/discharge control circuit provided in an embodiment of the present invention；
Fig. 3 is a kind of physical circuit schematic diagram of charge/discharge control circuit provided in an embodiment of the present invention；
Fig. 4 is a kind of structural schematic diagram of mobile power source provided in an embodiment of the present invention；
Fig. 5 is a kind of structural schematic diagram of power supply adaptor provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
Referring to Figure 1, Fig. 1 is a kind of structural schematic diagram of charge/discharge control circuit provided in an embodiment of the present invention, in order to just
In explanation, only parts related to embodiments of the present invention are shown.
It should be noted that in the present embodiment, charge/discharge control circuit is applied in mobile power source or power supply adaptor,
Mobile power source is built-in with battery core, and the connecting pin for connecting power supply is provided on power supply adaptor.
As shown in Figure 1, a kind of charge/discharge control circuit 100, comprising: voltage output unit group 10, voltage conversion unit group 20
And control unit 30.Specifically:
Voltage output unit group 10, including at least two voltage output units 11, voltage output unit 11 for connect to
Charging equipment 120.
Voltage conversion unit group 20, the voltage conversion to connect one to one including at least two with voltage output unit 11 are single
Member 21, voltage conversion unit 21 pass through voltage for converting to the output voltage of power supply 110, and according to control signal determination
The charging direct current that output unit group 10 exports, wherein the power for the direct current that charges is equal to preset peak power output.
Control unit 30 is connected with each voltage output unit 11 and each voltage conversion unit 21 respectively, for when inspection
When measuring voltage output unit 11 and being connected with charging equipment 120, to the corresponding voltage conversion unit 21 of voltage output unit 11
Output control signal.
In all embodiments of the application, voltage output unit group 10 includes at least two voltage output units 11, often
A voltage output unit 11 is to follow the USB jack of USB-PD agreement setting.Voltage output in voltage conversion unit group 20
Unit 21 can also be with for combined-voltage converting unit namely AC-DC voltage conversion unit or voltage output unit 21
For DC voltage converting unit namely DC-DC voltage conversion unit.
In practical applications, in order to meet the charge requirements of different charging equipments, can match in advance in control unit 30
It is equipped with different charge protocol standard or charging strategy, when detecting voltage output unit group 10 and 120 phase of charging equipment
Lian Shi, control unit 30 is by carrying out protocol handshake with charging equipment 120, and then to the electricity for being connected to charging equipment 120
The output control signal of voltage conversion unit 21 corresponding to output unit 11 is pressed, and then controls voltage conversion unit 21 to power supply
110 output voltage is converted.
It should be noted that since voltage output unit 11 is for connecting charging equipment 120, and control unit 30 is distinguished
It is connected with each voltage output unit 11 and each voltage conversion unit 21, therefore control unit 30 is able to detect that each voltage
The connection status of output unit 11 and charging equipment 120, and then exported based on connection status to each voltage conversion unit 21
Control signal.
For example, when the voltage output unit 11 of only one in voltage output unit group 10 is connect with charging equipment 120
When, control unit 30 is controlled to the voltage output unit 11 for being connected with charging equipment 120, the corresponding output of voltage conversion unit 21
Signal processed, so that the power for the charging direct current that the voltage output unit 11 for being connected with charging equipment 120 exports is equal in advance
If peak power output.
For another example when the voltage output unit 11 in voltage output unit group 10 more than one connects with charging equipment 120
When connecing, control unit 30 is respectively to the voltage output unit 11 for being connected with charging equipment 120, corresponding voltage conversion unit 21
Output control signal, so that the charging direct current that all voltage output units 11 for being connected to charging equipment 120 export is total
Power is equal to preset peak power output.
In the present embodiment, since voltage conversion unit 21 and voltage output unit 11 connect one to one, voltage conversion
Unit 21 can determine corresponding output power according to control signal, namely determine that the charging of the output of voltage output unit group 10 is straight
The power of galvanic electricity is equal to preset peak power output, so that either voltage output unit group 10 only accesses one and to be charged sets
It is standby still to have accessed two or more charging equipments, it can charge using maximum output power as charging equipment,
Improve charge efficiency.
It is understood that when control unit 30 detect do not have in voltage output unit group 10 voltage output unit 11 with
When charging equipment 120 connects, control unit 30 is not necessarily to export control signal to voltage conversion unit 21.
A kind of charge/discharge control circuit, mobile power source and power supply adaptor provided in this embodiment, wherein a kind of electric discharge control
Circuit processed, comprising: voltage output unit group, voltage conversion unit group and control unit, by the way that control unit is defeated with voltage
Unit group is connected out so that control unit be able to detect that each voltage output unit in voltage output unit group with it is to be charged
The connection status of equipment, and then when detecting that voltage output unit is connected with charging equipment, it is corresponding to voltage output unit
The corresponding control signal of voltage conversion unit output, voltage conversion unit controls voltage output unit according to the control signal
The power of the charging direct current of group output is equal to preset peak power output, realizes when for charging equipment charging, can
Reach maximum output power, improves charge efficiency.
Referring to Fig.2, Fig. 2 shows a kind of concrete structure schematic diagrams of charge/discharge control circuit provided in an embodiment of the present invention.
As shown in Fig. 2, as a kind of mode in the cards of the present embodiment, the detected end 111 of voltage output unit 11
It is connected with the test side 31 of control unit 30.
Control unit 30 is specifically used for, and detects voltage output unit 11 and 120 phase of charging equipment when passing through test side 31
Even, then protocol handshake is carried out by voltage output unit 11 and charging equipment 120, and exports and controls to voltage conversion unit 21
Signal.
As shown in Fig. 2, as a kind of mode in the cards of the present embodiment, the input terminal 211 of voltage conversion unit 21 with
Power supply 110 is connected, and the controlled end 212 of voltage conversion unit 21 is connected with the control terminal 32 of control unit 30, voltage conversion unit
21 output end 213 is connected with the input terminal 112 of voltage output unit 11.
In the present embodiment, the test side 31 of control unit 30 is connected with the detected end 111 of voltage output unit 11,
Control unit 30 is detected to voltage output unit 11 and the connection status of charging equipment 120, when control is single
When member 30 is connected by the detection voltage output unit 11 of test side 31 with charging equipment 120, control unit 30 is defeated by voltage
Unit 11 and charging equipment 120 carry out protocol handshake out.
In all embodiments of the application, control unit 30 by voltage output unit 11 and charging equipment 120 into
Row protocol handshake specifically can be control unit 30 by voltage output unit 11 and send handshake request to charging equipment 120
Signal, charging equipment 120 return to corresponding handshake according to the handshake request signal, carry in the handshake wait fill
The charge protocol information of electric equipment 120, the charge protocol information are used to indicate the charging voltage value of charging equipment 120, charging
At least one of current value and charge power value.Control unit 30, which shake hands according to the handshake, to be confirmed and to wait fill
Electric equipment 120 sends confirmation signal of shaking hands, and then completes protocol handshake, while exporting control signal to voltage conversion unit 21.
It is understood that control signal is assisted for controlling voltage conversion unit 21 according to the charging of charging equipment 120
View information converts the output voltage of power supply 110.
Fig. 3 shows a kind of physical circuit schematic diagram of charge/discharge control circuit provided in an embodiment of the present invention.
In the present embodiment, voltage output unit 11 is voltage output port, and voltage conversion unit 21 is that voltage converts core
Piece.As shown in figure 3, voltage output unit group 10 includes first voltage output port 12 and second voltage output port 13, voltage
Converting unit group 20 includes first voltage conversion chip U1 and second voltage conversion chip U2.
The detected end 121 of first voltage output port 12 is connected with the first test side 311 of control unit 30.
The detected end 131 of second voltage output port 13 is connected with the second test side 312 of control unit 30.
The input terminal IN1 of first voltage conversion chip U1 is connected with power supply 110, the controlled end of first voltage conversion chip U1
CL1 is connected with the first control terminal 321 of control unit 30, and the output end OUT1 and first voltage of first voltage conversion chip U1 is defeated
The input terminal 122 of exit port 12 is connected.
The input terminal IN2 of second voltage conversion chip U2 is connected with power supply 110, the controlled end of second voltage conversion chip U2
CL2 is connected with the second control terminal 322 of control unit 30, and the output end OUT2 and second voltage of second voltage conversion chip U2 is defeated
The input terminal 132 of exit port 13 is connected.
In the present embodiment, control unit 30 is specifically used for, when only detect first voltage output port 12 with it is to be charged
When equipment 120 is connected, protocol handshake is carried out by first voltage output port 12 and charging equipment 120, and to first voltage
Conversion chip U1 exports first control signal.
First voltage conversion chip U1 is used for, and is converted, is obtained according to output voltage of the first control signal to power supply 110
The first direct current is exported to the first direct current, and by first voltage output port 12, with to being connected to first voltage output end
Charging equipment 120 on mouth 12 charges.
In the present embodiment, when control unit 30 only detects first voltage output port 12 and 120 phase of charging equipment
Lian Shi is carrying out protocol handshake with charging equipment 120 to improve the charge efficiency to charge to charging equipment 120
Afterwards, by defeated to first voltage conversion chip U1 corresponding to the first voltage output port 12 of charging equipment 120 is connected with
Signal is controlled out, enables first voltage conversion chip U1 be converted according to the control signal to the output voltage of power supply 110, in turn
The first direct current that power is equal to preset peak power output is obtained, and by first voltage output port 12 with the first direct current
Electricity is that charging equipment 120 charges.
Further, based on above-mentioned mode in the cards, control unit 30 is specifically also used to, if the first control of output
After signal, and detect second voltage output port 13 access charging equipment 120 when, to first voltage conversion chip U1 send
Power down control signal, and by first voltage output port 12 and second voltage output port 13, respectively with charging equipment 120
Protocol handshake is carried out, and exports second control signal to first voltage conversion chip U1, is exported to second voltage conversion chip U2
Third controls signal.
First voltage conversion chip U1 is specifically used for, and according to power down control signal, disconnects filling to charging equipment 120
Electricity is converted further according to output voltage of the second control signal to power supply 110, obtains the second direct current, and pass through the first electricity
Output port 12 is pressed to export the second direct current, to carry out to the charging equipment 120 being connected on first voltage output port 12
Charging.
Second voltage conversion chip U2 is specifically used for, and controls signal according to third and turns to the output voltage of power supply 110
It changes, third direct current is obtained, and third direct current is exported by second voltage output port 13, with defeated to second voltage is connected to
Charging equipment 120 in exit port 13 charges.
In the present embodiment, when control unit 30 detects only first voltage output port 12 and charging equipment 120
When being connected, first control signal is exported.After control unit 30 exports first control signal, namely in first voltage output port
After 12 are connected with charging equipment 120, if control unit 30 detects that second voltage output port 13 accesses charging equipment
120, then send power down control signal to first voltage conversion chip U1, first voltage conversion chip U according to power down control signal,
Disconnect the charging to charging equipment 120.Control unit 30 passes through first voltage output port 12 and second voltage output port
13, protocol handshake is carried out with charging equipment 120 respectively, and export second control signal to first voltage conversion chip U1, to
Second voltage conversion chip U2 exports third and controls signal.First voltage conversion chip U1 is according to second control signal to power supply
110 output voltage is converted, and obtains the second direct current, and by first voltage output port 12 export the second direct current to
Charging equipment 120 charges.Second voltage conversion chip U2 according to third control signal to the output voltage of power supply 110 into
Row conversion, obtains third direct current, and by second voltage output port 13 export third direct current to charging equipment 120 into
Row charging.Wherein, the charging equipment 120 connected on first voltage output port 12, and connects on second voltage output port 13
The charging equipment 120 connect is two different charging equipments, the power of the power of the second direct current and third direct current it
Be equal to preset peak power output.
As a kind of mode in the cards of the present embodiment, control unit 30 is specifically also used to, if output the second control letter
Number with after third control signal, and when detecting that first voltage output port 12 does not access charging equipment 120, to first voltage
Conversion chip U1 sends power down control signal, and carries out agreement with charging equipment 120 by second voltage output port 13 and hold
Hand, and signal is controlled to second voltage conversion chip U2 output the 4th.
Second voltage conversion chip U2 is specifically also used to, and is carried out according to output voltage of the 4th control signal to power supply 110
Conversion, obtains the 4th direct current, and exports the 4th direct current by second voltage output port 13, with to being connected to second voltage
Charging equipment 120 on output port 13 charges.
In the present embodiment, control unit 30 is after output second control signal and third control signal, when detecting the
When the charging equipment 120 of one voltage output port 12 connection is pulled out, control unit 30 is sent out to first voltage conversion chip U1
Power down control signal is sent, control first voltage conversion chip U1 stops powering to first voltage output port 12, and again through
Second voltage output port 13 and charging equipment 120 carry out protocol handshake, and complete to convert to second voltage in protocol handshake
The 4th control signal of chip U2 output.
It should be noted that control unit 30 is again in order to improve the charge efficiency to charge to charging equipment 120
Protocol handshake is carried out by second voltage output port 13 and charging equipment 120, by being connected with charging equipment 120
The 4th control signal of the output of second voltage conversion chip U2 corresponding to second voltage output port 13, enables second voltage convert core
Piece U2 converts the output voltage of power supply 110 according to the 4th control signal, and then obtains power equal to preset maximum
4th direct current of output power, and carried out by second voltage output port 13 by charging equipment 120 of the 4th direct current
Charging.
As a kind of mode in the cards of the present embodiment, control unit 30 is specifically also used to, when detecting first voltage
When output port 12 and second voltage output port 13 are respectively connected with charging equipment 120, pass through first voltage output port 12
With second voltage output port 13, protocol handshake is carried out with charging equipment 120 respectively, and defeated to first voltage conversion chip U1
5th control signal out, to the 6th control signal of second voltage conversion chip U2 output.
First voltage conversion chip U1 is specifically also used to, and is carried out according to output voltage of the 5th control signal to power supply 110
Conversion, obtains the 5th direct current, and exports the 5th direct current by first voltage output port 12, with to being connected to first voltage
Charging equipment 120 on output port 12 charges.
Second voltage conversion chip U2 is specifically also used to, and is carried out according to output voltage of the 6th control signal to power supply 110
Conversion, obtains the 6th direct current, and exports the 6th direct current by second voltage output port 13, with to being connected to second voltage
Charging equipment 120 on output port 13 charges.
It should be noted that when control unit 30 is detected simultaneously by first voltage output port 12 and second voltage output end
Mouthfuls 13 when being respectively connected with charging equipment 120, at the same with connect on first voltage output port 12 and second voltage output port 13
The charging equipment 120 connect carries out protocol handshake, and to the 5th control signal of first voltage conversion chip U1 output, to the second electricity
Press the 6th control signal of conversion chip U2 output.
First voltage conversion chip U1 converts the output voltage of power supply 110 according to the 5th control signal, obtains the
Five direct currents, and the 5th direct current is exported by first voltage output port 12 and is charged to charging equipment 120.Second electricity
Pressure conversion chip U2 converts the output voltage of power supply 110 according to the 6th control signal, obtains the 6th direct current, and pass through
Second voltage output port 13 exports the 6th direct current and charges to charging equipment 120.Wherein, first voltage output port
The charging equipment 120 connected on 12 is two different from the charging equipment 120 connected on second voltage output port 13
Charging equipment, the sum of power and the power of the 6th direct current of the 5th direct current are equal to preset peak power output.
A kind of charge/discharge control circuit, mobile power source and power supply adaptor provided in this embodiment, wherein a kind of electric discharge control
Circuit processed, comprising: voltage output unit group, voltage conversion unit group and control unit, by the way that control unit is defeated with voltage
Unit group is connected out so that control unit be able to detect that each voltage output unit in voltage output unit group with it is to be charged
The connection status of equipment, and then when detecting that voltage output unit is connected with charging equipment, it is corresponding to voltage output unit
The corresponding control signal of voltage conversion unit output, voltage conversion unit controls voltage output unit according to the control signal
The power of the charging direct current of group output is equal to preset peak power output, realizes when for charging equipment charging, can
Reach maximum output power, improves charge efficiency.
The another object of the present embodiment is to provide a kind of mobile power source, referring particularly to Fig. 4.
Fig. 4 shows a kind of structural schematic diagram of mobile power source provided in an embodiment of the present invention.
As shown in figure 4, a kind of mobile power source 200, including power supply 110, it further include the charge/discharge control circuit of above-described embodiment
100。
In the present embodiment, power supply 110 may include charging battery core, and charging battery core is lithium-ion electric core.
It is understood that a kind of mobile power source 200 as provided in the present embodiment is related to the present invention specific
Embodiment and working principle have elaborated in the above-described embodiments, and therefore, details are not described herein again.
The a further object of the present embodiment is to provide a kind of power supply adaptor, referring particularly to Fig. 5.
Fig. 5 shows a kind of structural schematic diagram of power supply adaptor provided in an embodiment of the present invention.
As shown in figure 5, a kind of power supply adaptor 300, for connecting power supply 110 as the charging of charging equipment 120, power supply is suitable
Orchestration 300 includes the charge/discharge control circuit 100 of above-described embodiment.
It should be noted that the power supply 110 in the present embodiment can be alternating-current power supply or DC power supply.
In practical applications, the voltage conversion unit 21 in charge/discharge control circuit 100 can according to the difference of power supply 110 and
Select different voltage conversion chips.
For example, voltage conversion chip can be ac and dc current conversion chip when power supply 110 is alternating-current power supply.Example again
Such as, when power supply 110 is DC power supply, voltage conversion chip can be DC current conversion chip.
It is understood that a kind of power supply adaptor 300 tool related to the present invention as provided in the present embodiment
Body embodiment and working principle have elaborated in the above-described embodiments, and therefore, details are not described herein again.
A kind of charge/discharge control circuit, mobile power source and power supply adaptor provided in this embodiment, wherein a kind of electric discharge control
Circuit processed, comprising: voltage output unit group, voltage conversion unit group and control unit, by the way that control unit is defeated with voltage
Unit group is connected out so that control unit be able to detect that each voltage output unit in voltage output unit group with it is to be charged
The connection status of equipment, and then when detecting that voltage output unit is connected with charging equipment, it is corresponding to voltage output unit
The corresponding control signal of voltage conversion unit output, voltage conversion unit controls voltage output unit according to the control signal
The power of the charging direct current of group output is equal to preset peak power output, realizes when for charging equipment charging, can
Reach maximum output power, improves charge efficiency.
Unit in the terminal of that embodiment of the invention can be combined, divided and deleted according to actual needs.
More than, only a specific embodiment of the invention, but scope of protection of the present invention is not limited thereto, and it is any to be familiar with
Those skilled in the art in the technical scope disclosed by the present invention, can readily occur in various equivalent modifications or substitutions,
These modifications or substitutions should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be wanted with right
Subject to the protection scope asked.
Claims (10)
1. a kind of charge/discharge control circuit, is connected with power supply, which is characterized in that the charge/discharge control circuit includes:
Voltage output unit group, including at least two voltage output units, the voltage output unit is for connecting to be charged set
It is standby；
Voltage conversion unit group, the voltage conversion unit to connect one to one including at least two with the voltage output unit,
The voltage conversion unit determines according to control signal for converting to the output voltage of the power supply and passes through the electricity
Press the charging direct current of output unit group output, wherein the power of the charging direct current is equal to preset peak power output；
Control unit is connected with each voltage output unit and each voltage conversion unit respectively, for when detection
When being connected to the voltage output unit with the charging equipment, the corresponding voltage conversion of Xiang Suoshu voltage output unit
Unit exports the control signal.
2. charge/discharge control circuit as described in claim 1, which is characterized in that the detected end of the voltage output unit and institute
The test side for stating control unit is connected；
Described control unit is specifically used for, when detecting the voltage output unit and the charging equipment phase by test side
Even, then protocol handshake is carried out by the voltage output unit and the charging equipment, and defeated to the voltage conversion unit
The control signal out.
3. charge/discharge control circuit as claimed in claim 2, which is characterized in that the input terminal of the voltage conversion unit with it is described
Power supply is connected, and the controlled end of the voltage conversion unit is connected with the control terminal of described control unit, the voltage conversion unit
Output end be connected with the input terminal of the voltage output unit.
4. charge/discharge control circuit as claimed in claim 3, which is characterized in that the voltage output unit is voltage output end
Mouthful, the voltage output unit group includes first voltage output port and second voltage output port；The voltage conversion unit
For voltage conversion chip, the voltage conversion unit group includes first voltage conversion chip and second voltage conversion chip；
The detected end of the first voltage output port is connected with the first test side of described control unit；
The detected end of the second voltage output port is connected with the second test side of described control unit；
The input terminal of the first voltage conversion chip is connected with the power supply, the controlled end of the first voltage conversion chip with
First control terminal of described control unit is connected, the output end of the first voltage conversion chip and the first voltage output end
The input terminal of mouth is connected；
The input terminal of the second voltage conversion chip is connected with the power supply, the controlled end of the second voltage conversion chip with
Second control terminal of described control unit is connected, the output end of the second voltage conversion chip and the second voltage output end
The input terminal of mouth is connected.
5. charge/discharge control circuit as claimed in claim 4, which is characterized in that described control unit is specifically used for, when only detecting
When being connected to the first voltage output port with the charging equipment, by the first voltage output port and it is described to
Charging equipment carries out protocol handshake, and exports first control signal to the first voltage conversion chip；
The first voltage conversion chip is used for, and is turned according to output voltage of the first control signal to the power supply
It changes, obtains the first direct current, and first direct current is exported by the first voltage output port, with described to being connected to
Charging equipment on first voltage output port charges.
6. charge/discharge control circuit as claimed in claim 5, which is characterized in that described control unit is specifically also used to, if output
After the first control signal, and when detecting that the second voltage output port accesses the charging equipment, Xiang Suoshu the
One voltage conversion chip sends power down control signal, and passes through the first voltage output port and the second voltage output end
Mouthful, protocol handshake is carried out with the charging equipment respectively, and export second control signal to the first voltage conversion chip,
Signal is controlled to second voltage conversion chip output third；
The first voltage conversion chip is specifically used for, and according to the power down control signal, disconnects to the charging equipment
Charging, converts further according to output voltage of the second control signal to the power supply, obtains the second direct current, and pass through
The first voltage output port exports second direct current, with to be connected on the first voltage output port wait fill
Electric equipment charges；
The second voltage conversion chip is specifically used for, and controls signal according to the third and carries out to the output voltage of the power supply
Conversion obtains third direct current, and exports the third direct current by the second voltage output port, to being connected to
The charging equipment stated on second voltage output port charges.
7. charge/discharge control circuit as claimed in claim 6, which is characterized in that described control unit is specifically also used to, if output
After the second control signal and third control signal, and it is described to be charged to detect that the first voltage output port does not access
When equipment, Xiang Suoshu first voltage conversion chip sends power down control signal, and again through the second voltage output port
Protocol handshake is carried out with the charging equipment, and controls signal to second voltage conversion chip output the 4th；
The second voltage conversion chip is specifically also used to, according to the 4th control signal to the output voltage of the power supply into
Row conversion, obtains the 4th direct current, and by second voltage output port output the 4th direct current, with to being connected to
Charging equipment on the second voltage output port charges.
8. charge/discharge control circuit as claimed in claim 4, which is characterized in that described control unit is specifically also used to, and works as detection
When being respectively connected with the charging equipment to the first voltage output port and the second voltage output port, by described
First voltage output port and the second voltage output port, carry out protocol handshake with the charging equipment respectively, and to
The 5th control signal of first voltage conversion chip output, the 6th control signal of Xiang Suoshu second voltage conversion chip output；
The first voltage conversion chip is specifically also used to, according to the 5th control signal to the output voltage of the power supply into
Row conversion, obtains the 5th direct current, and by first voltage output port output the 5th direct current, with to being connected to
Charging equipment on the first voltage output port charges；
The second voltage conversion chip is specifically also used to, according to the 6th control signal to the output voltage of the power supply into
Row conversion, obtains the 6th direct current, and by second voltage output port output the 6th direct current, with to being connected to
Charging equipment on the second voltage output port charges.
9. a kind of mobile power source, including power supply, which is characterized in that the mobile power source further includes any one of claim 1 to 8 institute
The charge/discharge control circuit stated.
10. a kind of power supply adaptor, for connecting power supply as charging equipment charging, which is characterized in that the power supply adaptor
Including the described in any item charge/discharge control circuits of claim 1 to 8.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811628194.4A CN109474046B (en) | 2018-12-28 | 2018-12-28 | Discharge control circuit, mobile power supply and power adapter |
| PCT/CN2019/127079 WO2020135263A1 (en) | 2018-12-28 | 2019-12-20 | Discharge control circuit and discharge control method thereof, mobile power supply, and power adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811628194.4A CN109474046B (en) | 2018-12-28 | 2018-12-28 | Discharge control circuit, mobile power supply and power adapter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109474046A true CN109474046A (en) | 2019-03-15 |
| CN109474046B CN109474046B (en) | 2024-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811628194.4A Active CN109474046B (en) | 2018-12-28 | 2018-12-28 | Discharge control circuit, mobile power supply and power adapter |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109474046B (en) |
| WO (1) | WO2020135263A1 (en) |
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| WO2020135263A1 (en) * | 2018-12-28 | 2020-07-02 | 芯海科技（深圳）股份有限公司 | Discharge control circuit and discharge control method thereof, mobile power supply, and power adapter |
| CN113497564A (en) * | 2020-04-03 | 2021-10-12 | 台达电子企业管理（上海）有限公司 | Power adapter and control method thereof |
| CN113687552A (en) * | 2020-05-19 | 2021-11-23 | 联合微电子中心有限责任公司 | Phase-shift control circuit |
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| US11737219B2 (en) | 2020-04-03 | 2023-08-22 | Delta Electronics (Shanghai) Co., Ltd | Power adapter |
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Also Published As
| Publication number | Publication date |
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| WO2020135263A1 (en) | 2020-07-02 |
| CN109474046B (en) | 2024-06-18 |
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