CN206894606U - A kind of power supply chip active circuit - Google Patents
A kind of power supply chip active circuit Download PDFInfo
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- CN206894606U CN206894606U CN201720489799.4U CN201720489799U CN206894606U CN 206894606 U CN206894606 U CN 206894606U CN 201720489799 U CN201720489799 U CN 201720489799U CN 206894606 U CN206894606 U CN 206894606U
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- Prior art keywords
- power supply
- chip
- circuit
- electronic switch
- resistance
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A kind of power supply chip active circuit, including make energy control module, charging active module, physical activation module and power supply chip；Energy control module is set to be connected with power supply chip；Charge active module one end and make energy control module be connected and the other end with patch hold be connected；Physical activation module includes switch, level reverse circuit and chip active circuit, switchs respectively with making energy control module, level reverse circuit be connected；Level reverse circuit is also connected with power supply chip, chip active circuit respectively, and chip active circuit is with making energy control module be connected；Switch closure certain time control turns on energy control module, and power supply chip works and supplies electricity to level reverse circuit；The work of level reverse circuit and the conducting of control chip active circuit, the control of chip active circuit turn on energy control module；Closure switch certain time again, the cut-off of level reverse circuit control chip active circuit, the control of chip active circuit end energy control module.
Description
【Technical field】
It the utility model is related to cell art, more particularly to a kind of power supply chip active circuit.
【Background technology】
Electrokinetic cell can enter resting state to reach the holding state of zero power consumption, existing power electric to reduce energy consumption
The dormancy activation technique in pond is mostly that activation is physically contacted, i.e., the power supply core of electrokinetic cell is activated after the physical contact of charge/discharge plug
Piece works and then powered to other components.If however, after charge/discharge Plug contact for a long time without discharge and recharge act, will
Cause the erroneous judgement of active circuit and then cause the action of mistake.In addition, physical contact activation also needs external spare interface, inspection is set
Device or circuit are surveyed, and then increases operation difficulty and cost.
In consideration of it, real be necessary to provide a kind of new power supply chip active circuit to overcome disadvantages described above.
【Utility model content】
The purpose of this utility model be to provide it is a kind of avoid erroneous judgement and easy to operate power supply chip active circuit.
To achieve these goals, the utility model provides a kind of power supply chip active circuit, including make energy control module,
Charge active module, physical activation module and power supply chip；It is described energy control module is connected with the power supply chip, it is described to make
Can energy control module be used to control enable signal be input to the power supply chip；
It is described charging active module one end with it is described make energy control module be connected and the other end with patch hold be connected, it is described
End is patched to be used to patch external charger；When the charging active module accesses the external charger, the charging activation
Energy control module is turned on described in module control；
The physical activation module includes switch, level reverse circuit and chip active circuit, the switch respectively with institute
Stating makes energy control module, the level reverse circuit be connected；The level reverse circuit also respectively with the power supply chip, described
Chip active circuit is connected, and the chip active circuit makes energy control module be connected with described；The switch closure certain time
Energy control module is turned on described in control, the power supply chip works and supplies electricity to the level reverse circuit；The level turns over
Shifting circuit works and controls the chip active circuit to turn on, and leads energy control module described in the chip active circuit control
It is logical；The switch certain time is closed again, and the level reverse circuit controls the chip active circuit cut-off, the chip
End energy control module described in active circuit control.
In a preferred embodiment, the end that patches is connected with the external charger negative pole；The enable signal
For high level signal；The certain time is 1-3s.
In a preferred embodiment, it is described energy control module is included the first enabled control circuit and the second enabled control
Circuit processed, the described first enabled control circuit include the first electronic switch, first resistor and second resistance；First electronic cutting
The first end of pass is connected with the first end of the first resistor and receives the enable signal, and the second of first electronic switch
End is connected with the first end of the power supply chip, the 3rd end of first electronic switch and the second end phase of the first resistor
Even；Second end of the first resistor is connected with the first end of the second resistance, the second end of the second resistance respectively with
The charging active module is connected with the chip active circuit；Described second enabled control circuit include the second electronic switch,
3rd resistor and the 4th resistance, the first end of second electronic switch are connected with the first end of the 3rd resistor and receive institute
State enable signal；Second end of second electronic switch is connected with the first end of the power supply chip, second electronic cutting
The 3rd end closed is connected with the second end of the 3rd resistor；Second end of the 3rd resistor also with the 4th resistance
One end is connected, and the second end of the 4th resistance is connected with the first end of the switch and the level reverse circuit respectively.
In a preferred embodiment, the first end of first electronic switch, the second end and the 3rd end correspond to P respectively
Source electrode, the drain and gate of type metal-oxide-semiconductor field effect transistor；The first end of second electronic switch, the second end and the 3rd end are right respectively
Answer source electrode, the drain and gate of p-type metal-oxide-semiconductor field effect transistor.
In a preferred embodiment, the charging active module includes the 3rd electronic switch, the 5th resistance, the one or two
Pole pipe and the 6th resistance, the first end of the 3rd electronic switch are connected with the second end of the second resistance；3rd electricity
Second end of sub switch is also grounded by the 5th resistance eutral grounding, the 3rd end of the 3rd electronic switch；3rd electricity
Anode of second end of sub switch also with first diode is connected, and the negative electrode of first diode passes through the described 6th electricity
Resistance is connected with the end that patches.
In a preferred embodiment, first end, the second end and the 3rd end of the 3rd electronic switch correspond to N respectively
Drain electrode, source electrode and the grid of type metal-oxide-semiconductor field effect transistor.
In a preferred embodiment, the second end ground connection of the switch；The level reverse circuit includes the two or two
Pole pipe, level turning-over of chip, the 7th resistance and voltage-regulator diode, the of the negative electrode of second diode and the 4th resistance
Two ends are connected；The anode of second diode is connected by the 7th resistance with the second end of the power supply chip, described
The anode of second diode is also connected with the first end of the level turning-over of chip and the negative pole of the voltage-regulator diode respectively；Institute
The second end for stating level turning-over of chip is connected with the chip active circuit, the plus earth of the voltage-regulator diode；The core
Piece active circuit includes the 3rd diode, the 8th resistance and the 4th electronic switch, anode and the electricity of the 3rd diode
Second end of flat turning-over of chip is connected；The negative electrode of 3rd diode passes through the 8th resistance eutral grounding, the three or two pole
First end of the negative electrode of pipe also with the 4th electronic switch is connected；Second end of the 4th electronic switch and the described second electricity
Second end of resistance is connected, the 3rd end ground connection of the 4th electronic switch.
In a preferred embodiment, first end, the second end and the 3rd end of the 4th electronic switch correspond to N respectively
Grid, drain electrode and the source electrode of type metal-oxide-semiconductor field effect transistor.
In a preferred embodiment, ground is GND.
Power supply chip active circuit provided by the utility model can carry out the work of charging activation power supply chip, physical activation
The two kinds of active modes and a kind of physics of power supply chip work close the mode of power supply chip work, use flexibly, can avoid
Erroneous judgement, and be pure hardware circuit, it is simple to operate without software support.Using power supply chip provided by the utility model
Active circuit, power supply chip can complete dormancy, reduce power consumption even zero-power.
【Brief description of the drawings】
Fig. 1 is the theory diagram of power supply chip active circuit provided by the utility model.
Fig. 2 is the circuit diagram for the power supply chip active circuit that Fig. 1 is provided.
【Embodiment】
In order that the purpose of this utility model, technical scheme and advantageous effects become apparent from understanding, below in conjunction with attached
Figure and embodiment, the utility model is further elaborated.It should be appreciated that described in this specification
Embodiment is not intended to limit the utility model just for the sake of explaining the utility model.
When an element was considered as with another element " being connected ", it can be directly to another element or
It may be simultaneously present centering elements.Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to this reality
The implication being generally understood that with new those skilled in the art is identical.Made herein in specification of the present utility model
Term is intended merely to describe the purpose of specific embodiment, it is not intended that in limitation the utility model.
Fig. 1 is refer to, it is the theory diagram of power supply chip active circuit 100 provided by the utility model.The power supply
Chip active circuit 100 includes making energy control module 10, charging active module 20, physical activation module 30 and power supply chip U1.
The power supply chip active circuit 100 can carry out charging activate power supply chip U1 work, power supply core described in physical activation
Piece U1 works and physics closes the power supply chip U1 work.
It is described energy control module 10 is connected with the power supply chip U1, it is described to make energy control module 10 enabled for controlling
Can signal be input to the power supply chip U1.In the present embodiment, the enable signal is high level signal.It is if described
Turn on energy control module 10, then the enable signal can make energy control module 10 be input to the power supply chip by described
U1, the power supply chip U1, which are activated, work and supplies electricity to other components；If described end energy control module 10, described
Enable signal can not be such that energy control module 10 is input in the power supply chip U1 by described, close the power supply chip U1 works
Make.
The charging active module 20, which is used to charge, activates the power supply chip U1 work, the charging active module 20
One end makes that energy control module 10 is connected and the other end is connected with patching end P- with described, and the end P- that patches is used to patch outside and fill
The negative pole of electrical equipment (not shown).When the charging active module 20 accesses the external charger, the charging active module
Turning on energy control module 10 described in 20 controls causes the enable signal to make by described described in energy control module 10 is input to
In power supply chip U1.When the charging active module 20 is without the external charger is accessed, the charging active module 20
There is no any action, i.e., not controlling described turns on energy control module 10 to cause the enable signal to pass through the enabled control mould
Block 10 is input in power supply chip U1.
The physical activation module 30 is used for power supply chip U1 work and physics described in physical activation and closes the power supply core
Piece U1 works, and the physical activation module 30 includes switch S1, level reverse circuit 31 and chip active circuit 32.The switch
S1 makes energy control module 10, the level reverse circuit 31 be connected with described respectively.The level reverse circuit 31 also respectively with
The power supply chip U1, the chip active circuit 32 be connected, the chip active circuit 32 further with the enabled control
Module 10 is connected.Make the conducting of energy control module 10 so that the enable signal is led to described in the switch S1 closures certain time control
Cross it is described energy control module 10 is input in the power supply chip U1, the power supply chip U1 is activated work (due to described
Switch S1 can disconnect after certain time is closed, and now the power supply chip U1 is only activated certain time) and supply electricity to described
Level reverse circuit 31.The level reverse circuit 31 works and further controls the chip active circuit 32 to turn on, described
Chip active circuit 32 turns on energy control module 10 so that the enable signal passes through the enabled control described in further controlling
Molding block 10 is input in the power supply chip U1, completes power supply chip U1 work (the now power supply core described in physical activation
Piece U1 is activated work for a long time).
The power supply chip U1 is by physical activation (activating the power supply chip U1 by the switch S1 to work) afterwards as needed
The power supply chip U1 is stopped, then close the switch S1 certain times again.Then the level reverse circuit 31 is controlled
Make the chip active circuit 32 to end, end energy control module 10 described in the further control of the chip active circuit 32,
And then the enable signal is caused from making energy control module 10 be input in the power supply chip U1 by described, to complete physics
Close the power supply chip U1 work.
Fig. 2 is refer to, it is the circuit diagram of power supply chip active circuit 100 provided by the utility model.The enabled control
Molding block 10 includes the first enabled control circuit 11 and second and enables control circuit 12, and the described first enabled control circuit 11 includes
First electronic switch Q1, first resistor R1 and second resistance R2.The first end of the first electronic switch Q1 and the described first electricity
Resistance R1 first end is connected and receives the enable signal, the second end of the first electronic switch Q1 and the power supply chip U1
First end be connected, the 3rd end of the first electronic switch Q1 is connected with the second end of the first resistor R1.Described first
Resistance R1 the second end is connected with the first end of the second resistance R2, and the second end of the second resistance R2 is filled with described respectively
Electric shock flexible module 20 is connected with the chip active circuit 32.Specifically, the first end of the first electronic switch Q1, the second end
The source electrode of p-type metal-oxide-semiconductor field effect transistor, drain and gate are corresponded to respectively with the 3rd end.
Described second enabled control circuit 12 includes the second electronic switch Q2,3rd resistor R3 and the 4th resistance R4, described
Second electronic switch Q2 first end is connected with the first end of the 3rd resistor R3 and receives the enable signal.Described second
Electronic switch Q2 the second end is connected with the first end of the power supply chip U1, the 3rd end of the second electronic switch Q2 and institute
The second end for stating 3rd resistor R3 is connected.First end phase of the second end of the 3rd resistor R3 also with the 4th resistance R4
Even, the second end of the 4th resistance R4 is connected with the first end of the switch S1 and the level reverse circuit 31 respectively.Tool
Body, first end, the second end and the 3rd end of the second electronic switch Q2 correspond to the source electrode of p-type metal-oxide-semiconductor field effect transistor, leakage respectively
Pole and grid.
The charging active module 20 includes the 3rd electronic switch Q3, the 5th resistance R5, the electricity of the first diode D1 and the 6th
R6 is hindered, the first end of the 3rd electronic switch Q3 is connected with the second end of the second resistance R2.3rd electronic switch
Q3 the second end is grounded GND by the 5th resistance R5, and the 3rd end of the 3rd electronic switch Q3 is also grounded GND.It is described
Anode of 3rd electronic switch Q3 the second end also with the first diode D1 is connected, and the negative electrode of the first diode D1 leads to
The 6th resistance R6 is crossed with the end P- that patches to be connected.Specifically, the first end of the 3rd electronic switch Q3, the second end and
3rd end corresponds to drain electrode, source electrode and the grid of N-type metal-oxide-semiconductor field effect transistor respectively.
The second end ground connection GND of the switch S1.
The level reverse circuit 31 includes the second diode D2, level turning-over of chip U2, the 7th resistance R7 and voltage stabilizing two
Pole pipe D4, the negative electrode of the second diode D2 are connected with the second end of the 4th resistance R4.The second diode D2's
Anode is connected by the 7th resistance R7 with the second end of the power supply chip U1, and the anode of the second diode D2 also divides
It is not connected with the first end of the level turning-over of chip U2 and the negative pole of the voltage-regulator diode D4.The level turning-over of chip U2
The second end be connected with the chip active circuit 32, the plus earth GND of the voltage-regulator diode D4.
The chip active circuit 32 includes the 3rd diode D3, the 8th resistance R8 and the 4th electronic switch Q4, and described
Three diode D3 anode is connected with the second end of the level turning-over of chip U2.The negative electrode of the 3rd diode D3 passes through institute
First end of the 8th resistance R8 ground connection GND, the 3rd diode D3 negative electrode also with the 4th electronic switch Q4 is stated to be connected.
The second end of the 4th electronic switch Q4 is connected with the second end of the second resistance R2, and the of the 4th electronic switch Q4
Three ends are grounded GND.Specifically, first end, the second end and the 3rd end of the 4th electronic switch Q4 corresponds to N-type MOS fields respectively
Grid, drain electrode and the source electrode of effect pipe.
Specifically, ground GND is GND.
The principle that charging activates the power supply chip U1 work is as follows：
When it is described patch end P- and access the external charger negative pole when, electric current passes through from the positive pole of the external charger
Anode (not shown), GND and load to the external charger negative pole (patch end P-).Therefore, the battery is born
Pole forms positive differential pressure with the external charger negative pole, i.e., GND current potential is higher than the current potential for patching end P-, and then causes
The 3rd electronic switch Q3 conductings.The enable signal passes through the first resistor R1, the second resistance R2, the described 3rd
Electronic switch Q3, the 5th resistance R5 and ground GND form loop, and the 3rd end (grid) of the first electronic switch Q1 obtains
Low level signal.The first electronic switch Q1 conductings, the enable signal are input to institute by the first electronic switch Q1
State the power supply chip U1 work of activation in power supply chip U1.
The principle that power supply chip U1 described in physical activation works is as follows：
The switch S1 certain times are closed, in the present embodiment, the certain time is 1-3s.The enable signal
Loop, and then second electronics are formed by the 3rd resistor R3, the 4th resistance R4, the switch S1 and ground GND
The 3rd end (grid) for switching Q2 obtains low level signal, the second electronic switch Q2 conductings, and the enable signal passes through institute
State the second electronic switch Q2 and be input to the power supply chip U1 work of activation in the power supply chip U1.Because the switch S1 is closed
Unification can disconnect after fixing time, so now power supply chip U1 is only activated work certain time.The power supply chip U1 work
And output supply voltage, in the present embodiment, the supply voltage is high level.The supply voltage passes through the described 7th electricity
Resistance R7 is input to the level turning-over of chip U2, and the level turning-over of chip U2 works and exports the control signal of high level
VOUT.The control signal VOUT of high level is formed back by the 3rd diode D3, the 8th resistance R8 and ground GND
Road, and then the first end (grid) of the 4th electronic switch Q4 obtains high level signal.The 4th electronic switch Q4 conductings,
Then the enable signal is formed by the first resistor R1, the second resistance R2, the 4th electronic switch Q4 and ground GND
Loop.The 3rd end (grid) of the first electronic switch Q1 obtains low level signal, the first electronic switch Q1 conductings, institute
State enable signal and be input to by the first electronic switch Q1 in the power supply chip U1 and activate power supply chip U1 work,
Now the power supply chip U1 is activated work for a long time.
The principle that physics closes the power supply chip U1 work is as follows：
The power supply chip U1 is by physical activation (activating the power supply chip U1 by the switch S1 to work) afterwards as needed
The power supply chip U1 work is closed, then closes the switch S1 certain times again.In the present embodiment, a timing
Between be 1-3s.The supply voltage of power supply chip U1 output passes through the 7th resistance R7, the second diode D2, described
Switch S1 and ground GND and form loop, the first end of the level turning-over of chip U2 obtains low level voltage, and then the level turns over
Core piece U2 outputs are just low level control signal VOUT.The low level control signal VOUT passes through the described 3rd 2
Pole pipe D3, the 8th resistance R8 and ground GND form loop, and the first end (grid) of the 4th electronic switch Q4 obtains low electricity
Ordinary mail number, the 4th electronic switch Q4 cut-offs.The signal that then the 3rd end (grid) of the first electronic switch Q1 obtains turns
For high level signal, the first electronic switch Q1 cut-offs, the enable signal can not be defeated by the first electronic switch Q1
Enter into the power supply chip U1, the power supply chip U1 is stopped.
Power supply chip active circuit provided by the utility model can carry out the work of charging activation power supply chip, physical activation
The two kinds of active modes and a kind of physics of power supply chip work close the mode of power supply chip work, use flexibly, can avoid
Erroneous judgement, and be pure hardware circuit, it is simple to operate without software support.Using power supply chip provided by the utility model
Active circuit, power supply chip can complete dormancy, reduce power consumption even zero-power.
The utility model is not restricted to described in specification and embodiment, therefore for the people of familiar field
Additional advantage and modification can be easily realized for member, therefore in the universal limited without departing substantially from claim and equivalents
Spirit and scope on the premise of, the utility model be not limited to specific details, representational equipment and shown here as with
The examples shown of description.
Claims (9)
- A kind of 1. power supply chip active circuit, it is characterised in that：Including making energy control module, charging active module, physical activation Module and power supply chip；It is described energy control module is connected with the power supply chip, it is described energy control module is made for control Can energy signal be input to the power supply chip；It is described charging active module one end with it is described make energy control module be connected and the other end with patch hold be connected, it is described to patch Hold for patching external charger；When the charging active module accesses the external charger, the charging active module Energy control module is turned on described in control；The physical activation module includes switch, level reverse circuit and chip active circuit, the switch to be made with described respectively Energy control module, the level reverse circuit are connected；The level reverse circuit also respectively with the power supply chip, the chip Active circuit is connected, and the chip active circuit makes energy control module be connected with described；The switch closure certain time control Described to turn on energy control module, the power supply chip works and supplies electricity to the level reverse circuit；The level upset electricity Road works and controls the chip active circuit to turn on, and turns on energy control module described in the chip active circuit control；Again The secondary closure switch certain time, the level reverse circuit control the chip active circuit cut-off, the chip activation End energy control module described in circuit control.
- 2. power supply chip active circuit as claimed in claim 1, it is characterised in that：It is described to patch end and the external charger Negative pole is connected；The enable signal is high level signal；The certain time is 1-3s.
- 3. power supply chip active circuit as claimed in claim 2, it is characterised in that：It is described energy control module is made including first Can control circuit and the second enabled control circuit, the described first enabled control circuit include the first electronic switch, first resistor and Second resistance；The first end of first electronic switch is connected with the first end of the first resistor and receives the enabled letter Number, the second end of first electronic switch is connected with the first end of the power supply chip, and the 3rd of first electronic switch the End is connected with the second end of the first resistor；Second end of the first resistor is connected with the first end of the second resistance, Second end of the second resistance is connected with the charging active module and the chip active circuit respectively；Described second is enabled Control circuit includes the second electronic switch, 3rd resistor and the 4th resistance, the first end of second electronic switch and described the The first end of three resistance is connected and receives the enable signal；Second end of second electronic switch and the power supply chip First end is connected, and the 3rd end of second electronic switch is connected with the second end of the 3rd resistor；The 3rd resistor First end of second end also with the 4th resistance is connected, the second end of the 4th resistance first end with the switch respectively It is connected with the level reverse circuit.
- 4. power supply chip active circuit as claimed in claim 3, it is characterised in that：The first end of first electronic switch, Second end and the 3rd end correspond to the source electrode of p-type metal-oxide-semiconductor field effect transistor, drain and gate respectively；The first of second electronic switch End, the second end and the 3rd end correspond to the source electrode of p-type metal-oxide-semiconductor field effect transistor, drain and gate respectively.
- 5. power supply chip active circuit as claimed in claim 3, it is characterised in that：The charging active module includes the 3rd electricity Sub switch, the 5th resistance, the first diode and the 6th resistance, first end and the second resistance of the 3rd electronic switch Second end is connected；Second end of the 3rd electronic switch is by the 5th resistance eutral grounding, and the of the 3rd electronic switch Three ends are also grounded；Anode of second end of the 3rd electronic switch also with first diode is connected, the one or two pole The negative electrode of pipe is connected by the 6th resistance with the end that patches.
- 6. power supply chip active circuit as claimed in claim 5, it is characterised in that：The first end of 3rd electronic switch, Second end and the 3rd end correspond to drain electrode, source electrode and the grid of N-type metal-oxide-semiconductor field effect transistor respectively.
- 7. power supply chip active circuit as claimed in claim 5, it is characterised in that：The second end ground connection of the switch；It is described Level reverse circuit includes the second diode, level turning-over of chip, the 7th resistance and voltage-regulator diode, second diode Negative electrode is connected with the second end of the 4th resistance；The anode of second diode passes through the 7th resistance and the power supply Second end of chip is connected, the anode of second diode also respectively with the first end of the level turning-over of chip and described steady The negative pole of pressure diode is connected；Second end of the level turning-over of chip is connected with the chip active circuit, the voltage stabilizing two The plus earth of pole pipe；The chip active circuit includes the 3rd diode, the 8th resistance and the 4th electronic switch, and the described 3rd The anode of diode is connected with the second end of the level turning-over of chip；The negative electrode of 3rd diode passes through the described 8th electricity Resistance ground connection, the first end of the negative electrode of the 3rd diode also with the 4th electronic switch are connected；4th electronic switch The second end be connected with the second end of the second resistance, the 3rd end of the 4th electronic switch ground connection.
- 8. power supply chip active circuit as claimed in claim 7, it is characterised in that：The first end of 4th electronic switch, Second end and the 3rd end correspond to grid, drain electrode and the source electrode of N-type metal-oxide-semiconductor field effect transistor respectively.
- 9. power supply chip active circuit as claimed in claim 7, it is characterised in that：Ground is GND.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720489799.4U CN206894606U (en) | 2017-04-28 | 2017-04-28 | A kind of power supply chip active circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720489799.4U CN206894606U (en) | 2017-04-28 | 2017-04-28 | A kind of power supply chip active circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206894606U true CN206894606U (en) | 2018-01-16 |
Family
ID=61341458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720489799.4U Expired - Fee Related CN206894606U (en) | 2017-04-28 | 2017-04-28 | A kind of power supply chip active circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206894606U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110198064A (en) * | 2019-06-26 | 2019-09-03 | 深圳市道通智能航空技术有限公司 | A kind of control circuit of power supply, method and charger |
-
2017
- 2017-04-28 CN CN201720489799.4U patent/CN206894606U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110198064A (en) * | 2019-06-26 | 2019-09-03 | 深圳市道通智能航空技术有限公司 | A kind of control circuit of power supply, method and charger |
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