CN206135442U - Panel computer dual supply input manager circuit - Google Patents
Panel computer dual supply input manager circuit Download PDFInfo
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- CN206135442U CN206135442U CN201620903287.3U CN201620903287U CN206135442U CN 206135442 U CN206135442 U CN 206135442U CN 201620903287 U CN201620903287 U CN 201620903287U CN 206135442 U CN206135442 U CN 206135442U
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Abstract
The utility model discloses a panel computer dual supply input manager circuit, include: the adapter charge end, the wireless end that charges, supply electrical output, first charge module and the second module of charging, the adapter charges and holds and the preferential end that charges of a wireless conduct of charging in holding, and another is as the optional end that charges, the first module of charging includes a MOS pipe, the 2nd MOS pipe, the 7th resistance and a voltage -divider network, the second charges the module and includes the 2nd voltage -divider network, the 3rd MOS pipe, the 3rd voltage -divider network, fourth MOS pipe, the 5th MOS pipe and the 8th resistance, under the preferential end power -on state that charges, electricity and switching on on the 3rd MOS pipe grid, fourth MOS pipe grounded -grid ends, and the 5th MOS pipe ends. The utility model discloses a panel computer is under the condition of dual supply input, and one of them power input of intelligent selection charges for the battery.
Description
Technical field
The utility model is related to technical field of power management, more particularly to a kind of panel computer dual power supply input management electricity
Road.
Background technology
Due to the rise of wireless charging technology, present panel computer is gone back except traditional adapter (adapter) charging
Wireless charging can be carried out.
But, design general at present cannot be distinguished by adapter and charge or wireless charging, when user is in insertion
When adapter carries out wireless charging again while charging, due to not processing, may there is the abnormal situation that charges, affect
User uses.
Utility model content
Based on the technical problem that background technology is present, the utility model proposes a kind of input management of panel computer dual power supply
Circuit.
The utility model proposes a kind of panel computer dual power supply input regulatory circuit, including：It is adaptor charge end, wireless
Charging end, power supply output end, the first charging module and the second charging module；One in adaptor charge end and wireless charging end
As preferential charging end, another alternately charging end；
First charging module includes the first metal-oxide-semiconductor, the second metal-oxide-semiconductor, the 7th resistance and the first potential-divider network；First metal-oxide-semiconductor
Grid connects preferential charging end, its source ground by the first potential-divider network；Second metal-oxide-semiconductor source electrode connects preferential charging end, its
Grid connects the drain electrode of the first metal-oxide-semiconductor, and the 7th resistance is connected between preferential charging end and the drain electrode of the first metal-oxide-semiconductor；Second metal-oxide-semiconductor leaks
Pole connection power supply output end；
Under preferential charging end power-up state, electricity and turn on the first metal-oxide-semiconductor grid, the second metal-oxide-semiconductor grounded-grid is simultaneously turned on,
Power supply output end obtains power supply output voltage by the second metal-oxide-semiconductor from preferential charging end；
Second charging module includes the second potential-divider network, the 3rd metal-oxide-semiconductor, the 3rd potential-divider network, the 4th metal-oxide-semiconductor, the 5th MOS
Pipe and the 8th resistance；3rd metal-oxide-semiconductor grid connects preferential charging end, its source ground by the second potential-divider network；4th metal-oxide-semiconductor
Grid connects the 3rd metal-oxide-semiconductor and drains and connect alternative charging end, its source ground by the 3rd potential-divider network；8th resistance connects
Between alternative charging end and the drain electrode of the 4th metal-oxide-semiconductor；5th metal-oxide-semiconductor source electrode connects alternative charging end, and its grid connects the 4th MOS
Pipe drains, its drain electrode connection power supply output end；
Under preferential charging end power-up state, electricity and turn on the 3rd metal-oxide-semiconductor grid, the 4th metal-oxide-semiconductor grounded-grid simultaneously ends,
5th metal-oxide-semiconductor ends；
On alternative charging end under the power failure state of electric and preferential charging end, the 3rd metal-oxide-semiconductor grid dead electricity is simultaneously ended, the 4th MOS
On tube grid electricity and turn on, the 5th metal-oxide-semiconductor grounded-grid is simultaneously turned on, power supply output end by the 5th metal-oxide-semiconductor from alternative charging end
Obtain power supply output voltage.
Preferably, the first potential-divider network includes first resistor and second resistance, and preferential charging end connects first resistor first
End, the end of first resistor second is connected the first metal-oxide-semiconductor grid and is grounded by second resistance.
Preferably, the second potential-divider network includes the 5th resistance and the 6th resistance, and preferential charging end connects the 5th resistance first
End, the 5th the second end of resistance connects the 3rd metal-oxide-semiconductor grid and passes through the 6th resistance eutral grounding.
Preferably, the 3rd potential-divider network includes 3rd resistor and the 4th resistance, and alternative charging end connects 3rd resistor first
End, the end of 3rd resistor second connects the 4th metal-oxide-semiconductor grid and passes through the 4th resistance eutral grounding.
Preferably, also including the first electric capacity, preferential charging end passes through the first capacity earth.
Preferably, also including the second electric capacity, alternative charging end passes through the second capacity earth.
Preferably, also including the 3rd electric capacity, power supply output end is drained by the 3rd the first metal-oxide-semiconductor of capacitance connection.
Preferably, also including the 4th electric capacity, power supply output end is drained by the metal-oxide-semiconductor of the 4th capacitance connection the 4th.
A kind of panel computer dual power supply input regulatory circuit that the utility model is provided, for adaptor charge and wireless charging
Electricity is respectively provided with the first charging module and the second charging module is managed so that panel computer can be according to the charging of connection
The type switching charging input source of equipment.
Especially couple in adapter input voltage in the second charging module, and electric dead electricity shape is obtained according to adapter input voltage
State controls wireless charging input to the break-make situation of power supply output end.Thus, when two kinds of charging equipments are connected simultaneously, can be with
The voltage of another kind of charging equipment is blocked by one of which charging equipment, so as to only have a kind of input voltage to be given to charging
IC。
The utility model realizes panel computer in the case of dual power supply input, the one of power input of intelligent selection
It is charged for battery.
Description of the drawings
Fig. 1 be the utility model proposes a kind of panel computer dual power supply input regulatory circuit in the first charging module it is former
Reason figure.
Fig. 2 be the utility model proposes a kind of panel computer dual power supply input regulatory circuit in the second charging module it is former
Reason figure.
Specific embodiment
The utility model proposes a kind of panel computer dual power supply input regulatory circuit, including：It is adaptor charge end, wireless
Charging end, power supply output end, the first charging module and the second charging module.In present embodiment, using adaptor charge end as
Preferential charging end, with wireless charging end alternately charging end.When being embodied as, it is also possible to adaptor charge end alternately
Charging end, using wireless charging end as preferential charging end, then adaptor charge end and wireless charging end on-position are exchanged.
With reference to Fig. 1, the first charging module includes the first metal-oxide-semiconductor Q1, the second metal-oxide-semiconductor Q2, the 7th resistance R7 and the first partial pressure
Network.First metal-oxide-semiconductor Q1 grids connect adaptor charge end, its source ground by the first potential-divider network.Specifically, first point
Pressure network network includes first resistor R1 and second resistance R2, adaptor charge end connection first resistor R1 first end, first resistor R1
Second end is connected the first metal-oxide-semiconductor Q1 grids and is grounded by second resistance.Second metal-oxide-semiconductor Q2 source electrodes connection adaptor charge end,
Its grid connects MOS pipes Q1 drain electrodes, and the 7th resistance R7 is connected between adaptor charge end and the first metal-oxide-semiconductor Q1 drain electrodes.
Second metal-oxide-semiconductor Q2 drain electrode connection power supply output ends.
Adaptor charge end is obtained under adapter input voltage V_Adapter states, and the first metal-oxide-semiconductor Q1 grids pass through first
Potential-divider network obtains partial pressure and more than the first metal-oxide-semiconductor Q1 conducting voltages so as to trend the from adapter input voltage V_Adapter
One metal-oxide-semiconductor Q1 is turned on；Now, the second metal-oxide-semiconductor Q2 grids are grounded by the first metal-oxide-semiconductor Q1, and the second metal-oxide-semiconductor Q2 gate source voltages are equal to
The opposite number and absolute value of adapter input voltage V_Adapter is more than the second metal-oxide-semiconductor Q2 conducting voltages, so as to the second metal-oxide-semiconductor
Q2 is turned on.Under second metal-oxide-semiconductor Q2 conducting states, the adapter input voltage V_Adapter at adaptor charge end passes through the 2nd MOS
Pipe Q2 to power supply output end is powered, so as to the output end output power supply output voltage V_Changer that powers.
In present embodiment, adapter input voltage V_Adapter is+19V.First metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q2 point
Not Xuan Yong LNTK3043NT5G and QM3003M3, so, the first metal-oxide-semiconductor Q1 turn-on conditions be V1GS>1.3V；Due to this embodiment party
In formula, the second metal-oxide-semiconductor Q2 grids are grounded by the first metal-oxide-semiconductor Q1, so, the second metal-oxide-semiconductor Q2 turn-on conditions are V2GS<-1.5V。
In present embodiment, by from first resistor R1 and second resistance R2 of certain resistance, realizingThe first charging module need of work can be met.In present embodiment, first resistor
R1 resistances and second resistance R2 resistance are respectively 130K and 20K.Thus, adaptor charge end obtains adapter input voltage V_
Under Adapter states, haveSo as to first
Metal-oxide-semiconductor Q1 is turned on.Under second metal-oxide-semiconductor Q2 grounded-grid states, V2GS=- V_Adapter=-19V ＜ -1.5V, so as to second
Metal-oxide-semiconductor Q2 is turned on.
With reference to Fig. 2, the second charging module includes the second potential-divider network, the 3rd metal-oxide-semiconductor Q3, the 3rd potential-divider network, the 4th MOS
Pipe Q4, the 5th metal-oxide-semiconductor Q5 and the 8th resistance R8.3rd metal-oxide-semiconductor Q3 grids connect adaptor charge end by the second potential-divider network,
Its source ground.Specifically, the second potential-divider network includes the 5th resistance R5 and the 6th resistance R6, adaptor charge end connection the 5th
Resistance R5 first ends, the 5th the second ends of resistance R5 connect the 3rd metal-oxide-semiconductor Q3 grids and pass through the 6th resistance eutral grounding.4th metal-oxide-semiconductor
Q4 grids connect the 3rd metal-oxide-semiconductor Q3 and drain and connect wireless charging end, its source ground by the 3rd potential-divider network.Specifically,
3rd potential-divider network includes 3rd resistor R3 and the 4th resistance R4, and wireless charging end connects 3rd resistor R3 first end, and the 3rd is electric
Resistance R3 second ends connect the 4th metal-oxide-semiconductor Q4 grids and pass through the 4th resistance eutral grounding.8th resistance R8 be connected to wireless charging end and
Between 4th metal-oxide-semiconductor Q4 drain electrodes.5th metal-oxide-semiconductor Q5 source electrodes connection wireless charging end, its grid connects the 4th metal-oxide-semiconductor Q4 drain electrodes,
Its drain electrode connection power supply output end.
In present embodiment, under the electrifying condition of wireless charging end obtain wireless charging input voltage V_Wireless for+
12V, the 3rd metal-oxide-semiconductor Q3 and the 4th metal-oxide-semiconductor Q4 adopt LNTK3043NT5G, the 5th metal-oxide-semiconductor Q5 to adopt QM3003M3, so, the
Three metal-oxide-semiconductor Q3 turn-on conditions are V3GS>1.3V, the 4th metal-oxide-semiconductor Q4 turn-on conditions are V4GS>1.3V；In due to present embodiment, the
Five metal-oxide-semiconductor Q5 grids are grounded by the 4th metal-oxide-semiconductor Q4, so, the 5th metal-oxide-semiconductor Q5 turn-on conditions are V5GS<-1.5V.This embodiment party
In formula, 3rd resistor R3, the 4th resistance R4, the 5th resistance R5 and the 6th resistance R6 resistances are respectively：100K, 24K, 130K and
20K.Adaptor charge end is obtained under adapter input voltage V_Adapter states, electricity on the 3rd metal-oxide-semiconductor Q3 grids,So as to the 3rd metal-oxide-semiconductor Q3 conductings, the
Four metal-oxide-semiconductor Q4 grids are grounded by the 3rd metal-oxide-semiconductor Q3, V4GS=0<1.3V, so as to the 4th metal-oxide-semiconductor Q4 cut-offs；Now, the 5th
Metal-oxide-semiconductor Q5 grids isolate over the ground of substantially equal with source potential, i.e. V5GS=0>- 1.5V, so, the 5th metal-oxide-semiconductor Q5 cut-offs.Such as
This, obtains under adapter input voltage V_Adapter states at adaptor charge end, no matter whether wireless charging end goes up electricity, supplies
Electricity output end can not possibly be powered from wireless charging end.
Wireless charging end is obtained under wireless charging input voltage V_Wireless and adaptor charge end power failure state, the 3rd metal-oxide-semiconductor
Q3 grids cannot obtain voltage so as to dead electricity, V from adaptor charge end3GS=0<1.3V, the 3rd metal-oxide-semiconductor Q3 end.4th metal-oxide-semiconductor Q4 grid
Pole electricity from wireless charging end by the 3rd potential-divider network,
So as to the 4th metal-oxide-semiconductor Q4 conductings, the 5th metal-oxide-semiconductor Q5 grids are grounded by the 4th metal-oxide-semiconductor Q4, V5GS=-V_Wireless=-12V
＜ -1.5V, so as to the 5th metal-oxide-semiconductor Q5 conductings, power supply output end is obtained from wireless charging end by the 5th metal-oxide-semiconductor Q5 and supplies electricity output
Voltage V_Changer.
In present embodiment, also including the first electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3 and the 4th electric capacity C4, adaptation
Device charging end is grounded by the first electric capacity C1, and wireless charging end is grounded by the second electric capacity C2, and power supply output end is electric by the 3rd
Hold C3 and connect the first metal-oxide-semiconductor Q1 drain electrodes, power supply output end connects the 4th metal-oxide-semiconductor Q4 drain electrodes by the 4th electric capacity C4.
The setting of the first electric capacity C1, can avoid adaptor charge end from obtaining under electricity condition, adapter input voltage V_Adapter
Discharge over the ground.In the same manner, the setting of the second electric capacity C2, can avoid wireless charging end from obtaining under electricity condition, wireless charging input voltage V_
Wireless discharges over the ground.The setting of the 3rd electric capacity C3 and the 4th electric capacity C4, can avoid power supply output end from obtaining under electricity condition, power
Output voltage V_Changer discharges over the ground.First electric capacity C1, the second electric capacity C2, the setting of the 3rd electric capacity C3 and the 4th electric capacity C4,
Be conducive to improving circuit safety.
The above, only the utility model preferably specific embodiment, but protection domain of the present utility model is not
Be confined to this, any those familiar with the art in the technical scope that the utility model is disclosed, according to this practicality
New technical scheme and its utility model design in addition equivalent or change, all should cover in protection model of the present utility model
Within enclosing.
Claims (8)
1. a kind of panel computer dual power supply input regulatory circuit, it is characterised in that include：Adaptor charge end, wireless charging end,
Power supply output end, the first charging module and the second charging module；One in adaptor charge end and wireless charging end is used as excellent
First charging end, another alternately charging end；
First charging module includes the first metal-oxide-semiconductor (Q1), the second metal-oxide-semiconductor (Q2), the 7th resistance (R7) and the first potential-divider network；The
One metal-oxide-semiconductor (Q1) grid connects preferential charging end, its source ground by the first potential-divider network；Second metal-oxide-semiconductor (Q2) source electrode connects
Preferential charging end is connect, its grid connects the first metal-oxide-semiconductor (Q1) drain electrode, the 7th resistance (R7) is connected to preferential charging end and first
Between metal-oxide-semiconductor (Q1) drain electrode；Second metal-oxide-semiconductor (Q2) drain electrode connection power supply output end；
Under preferential charging end power-up state, electricity and turn on the first metal-oxide-semiconductor (Q1) grid, the second metal-oxide-semiconductor (Q2) grounded-grid is simultaneously
Conducting, power supply output end obtains power supply output voltage (V_Changer) by the second metal-oxide-semiconductor (Q2) from preferential charging end；
Second charging module include the second potential-divider network, the 3rd metal-oxide-semiconductor (Q3), the 3rd potential-divider network, the 4th metal-oxide-semiconductor (Q4), the
Five metal-oxide-semiconductors (Q5) and the 8th resistance (R8)；3rd metal-oxide-semiconductor (Q3) grid connects preferential charging end by the second potential-divider network, its
Source ground；4th metal-oxide-semiconductor (Q4) grid connects the 3rd metal-oxide-semiconductor (Q3) and drains and charge by the way that the connection of the 3rd potential-divider network is alternative
End, its source ground；8th resistance (R8) is connected between alternative charging end and the drain electrode of the 4th metal-oxide-semiconductor (Q4)；5th metal-oxide-semiconductor
(Q5) source electrode connects alternative charging end, and its grid connects the drain electrode of the 4th metal-oxide-semiconductor (Q4), its drain electrode connection power supply output end；
Under preferential charging end power-up state, electricity and turn on the 3rd metal-oxide-semiconductor (Q3) grid, the 4th metal-oxide-semiconductor (Q4) grounded-grid is simultaneously
Cut-off, the cut-off of the 5th metal-oxide-semiconductor (Q5)；
On alternative charging end under the power failure state of electric and preferential charging end, the 3rd metal-oxide-semiconductor (Q3) grid dead electricity is simultaneously ended, the 4th MOS
Manage electric on (Q4) grid and turn on, the 5th metal-oxide-semiconductor (Q5) grounded-grid is simultaneously turned on, power supply output end passes through the 5th metal-oxide-semiconductor (Q5)
Power supply output voltage (V_Changer) is obtained from alternative charging end.
2. panel computer dual power supply input regulatory circuit as claimed in claim 1, it is characterised in that the first potential-divider network includes
First resistor (R1) and second resistance (R2), preferential charging end connects first resistor (R1) first end, first resistor (R1) second
End connection the first metal-oxide-semiconductor (Q1) grid is simultaneously grounded by second resistance.
3. panel computer dual power supply input regulatory circuit as claimed in claim 1, it is characterised in that the second potential-divider network includes
5th resistance (R5) and the 6th resistance (R6), preferential charging end connects the 5th resistance (R5) first end, the 5th resistance (R5) second
End the 3rd metal-oxide-semiconductor (Q3) grid of connection simultaneously passes through the 6th resistance eutral grounding.
4. panel computer dual power supply input regulatory circuit as claimed in claim 1, it is characterised in that the 3rd potential-divider network includes
3rd resistor (R3) and the 4th resistance (R4), alternative charging end connects 3rd resistor (R3) first end, 3rd resistor (R3) second
End the 4th metal-oxide-semiconductor (Q4) grid of connection simultaneously passes through the 4th resistance eutral grounding.
5. panel computer dual power supply input regulatory circuit as claimed in claim 1, it is characterised in that also including the first electric capacity
(C1), preferential charging end is grounded by the first electric capacity (C1).
6. panel computer dual power supply input regulatory circuit as claimed in claim 1, it is characterised in that also including the second electric capacity
(C2), alternative charging end is grounded by the second electric capacity (C2).
7. panel computer dual power supply input regulatory circuit as claimed in claim 1, it is characterised in that also including the 3rd electric capacity
(C3) output end of, powering connects the first metal-oxide-semiconductor (Q1) drain electrode by the 3rd electric capacity (C3).
8. the panel computer dual power supply input regulatory circuit as described in any one of claim 1 to 7, it is characterised in that also include
4th electric capacity (C4), power supply output end connects the drain electrode of the 4th metal-oxide-semiconductor (Q4) by the 4th electric capacity (C4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620903287.3U CN206135442U (en) | 2016-08-18 | 2016-08-18 | Panel computer dual supply input manager circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620903287.3U CN206135442U (en) | 2016-08-18 | 2016-08-18 | Panel computer dual supply input manager circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206135442U true CN206135442U (en) | 2017-04-26 |
Family
ID=58564713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620903287.3U Active CN206135442U (en) | 2016-08-18 | 2016-08-18 | Panel computer dual supply input manager circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206135442U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110995237A (en) * | 2019-12-27 | 2020-04-10 | 大唐半导体科技有限公司 | Circuit is gone up to inside power supply's of board order |
-
2016
- 2016-08-18 CN CN201620903287.3U patent/CN206135442U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110995237A (en) * | 2019-12-27 | 2020-04-10 | 大唐半导体科技有限公司 | Circuit is gone up to inside power supply's of board order |
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Effective date of registration: 20220105 Address after: 518000 5c104, floor 5, plant 4, Bangkai science and Technology Industrial Park, south of sightseeing road and west of Bangkai Road, Tangjia community, Fenghuang street, Guangming District, Shenzhen, Guangdong Patentee after: SHENZHEN BITLAND INFORMATION TECHNOLOGY Co.,Ltd. Address before: No.4088 Jinxiu Avenue, Hefei Economic and Technological Development Zone, Anhui Province Patentee before: HEFEI BITLAND INFORMATION TECHNOLOGY Co.,Ltd. |