CN207124616U - Charge intelligent switch machine control circuit - Google Patents
Charge intelligent switch machine control circuit Download PDFInfo
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- CN207124616U CN207124616U CN201720966213.9U CN201720966213U CN207124616U CN 207124616 U CN207124616 U CN 207124616U CN 201720966213 U CN201720966213 U CN 201720966213U CN 207124616 U CN207124616 U CN 207124616U
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Abstract
The utility model provides charging intelligent switch machine control circuit, including control chip and control circuit, control circuit includes starting-up signal end, off signal end, device power supply (DPS) end, charging end, battery supply end, the first metal-oxide-semiconductor, the second metal-oxide-semiconductor, resistance R1 R8 and electric capacity C1 C3, off signal end is connected with control chip POWEROFF pins, when charging end is charged, POWEROFF pins detect high level, equipment is shut down by software control；When charging end, which disconnects, charges, charging voltage is 0V, first metal-oxide-semiconductor turns on, the electric current at battery supply end, RC delay circuit inputs are added in by the first metal-oxide-semiconductor, the signal that the grid of the second metal-oxide-semiconductor receives is equal to the pressure drop on resistance R7, when pressure drop is more than the second metal-oxide-semiconductor cut-in voltage, second metal-oxide-semiconductor turns on, and starting-up signal end is low level, device power-up.Above intelligent switching control circuit is rationally designed by circuit, and equipment automatic shutdown carries out quick charge when realizing charging, the intelligent switch machine effect of equipment Auto Power On when disconnecting charging.
Description
Technical field
It the utility model is related to technical field of integrated circuits, more particularly to charging intelligent switch machine control circuit.
Background technology
At this stage, smart electronicses product is equipped with rechargeable battery, needs external power supply to be charged when electricity exhausts, and shows
Charging rate is faster when charging rate can be than opening of device state under right equipment off-mode.
In some application scenarios, equipment is limited and can not worked on by moving range in charging, and works as its need of work
Can not be equipment charge again during a wide range of shift position.
Existing intelligent artifact all configures hand switch machine button, and user needs before smart electronicses product is charged
Shutdown manually is carried out to realize quick charge, start manually is needed when removing external power supply, it is cumbersome, and increase switching on and shutting down
Key is lost, and existing intelligent artifact can not provide pole simplex operation pattern.
Smart electronicses product is configured without the automatic shutdown when being charged on the market, Auto Power On when removing external power supply
Charging intelligent switch machine control circuit.
Utility model content
To solve problem above, the utility model provides automatic shutdown when a kind of connection external power supply is charged, moved
The charging intelligent switch machine control circuit of Auto Power On during except external power supply.
The technical solution of the utility model is as follows：
Charge intelligent switch machine control circuit, in smart machine, including control chip and control circuit, the control
Circuit includes starting-up signal end, off signal end, device power supply (DPS) end, charging end, battery supply end, the first metal-oxide-semiconductor, the 2nd MOS
Pipe, resistance R1-R8 and electric capacity C1-C3；
Filter capacitor C1 is grounded, and the charging end is filtered by electric capacity C1, after resistance R1, R2 partial pressure, then passes through resistance R3
It is connected with the grid of the first metal-oxide-semiconductor, charging end is grounded by resistance R1 and resistance R2；
The source electrode connection battery supply end of first metal-oxide-semiconductor, the grid of the first metal-oxide-semiconductor pass through divider resistance R4 and divider resistance
R5 is grounded, and the drain electrode of the first metal-oxide-semiconductor is connected by delay circuit with the grid of the second metal-oxide-semiconductor, and the delay circuit is by electric capacity C3
Formed with resistance R7；
Off signal end is connected between divider resistance R4 and divider resistance R5, the drain electrode of second metal-oxide-semiconductor passes through pull-up
Resistance R8 is connected with device power supply (DPS) end VCC, the drain electrode connection starting-up signal end of the second metal-oxide-semiconductor, the source ground of the second metal-oxide-semiconductor；
Control chip includes the POWEROFF of POWEROFF pins and POWERON pins, off signal end and control chip
Pin connects, the POWERON pins connection of start shooting machine signal end and control chip.
When charging end is charged, POWEROFF pins detect high level, equipment is shut down by software control；
When charging end, which disconnects, charges, the voltage of charging end is 0V, the drain electrode of the first metal-oxide-semiconductor and source conduction, and battery is electric
Source VBAT electric current, RC delay circuit inputs are added in by the first metal-oxide-semiconductor, the signal that the grid of the second metal-oxide-semiconductor receives
The pressure drop being equal on resistance R7, when the voltage between Q2 grid and source electrode is more than the cut-in voltage of the second metal-oxide-semiconductor, second
Metal-oxide-semiconductor turns on, and starting-up signal end is low level, and software control makes device power-up.
Specifically, first metal-oxide-semiconductor is PMOS, and second metal-oxide-semiconductor is NMOS tube.
More specifically, the first metal-oxide-semiconductor model AO3423；Second metal-oxide-semiconductor model 2N7002LT1G.
Specifically, the control chip includes TC432 chips and TC431 chips.
The beneficial effects of the utility model are as follows：
By improving conventional switching on and shutting down control circuit, make to be no longer dependent on hand switch machine during equipment charge, realization is filled
Equipment automatic shutdown when electric, the intelligent switch machine effect of Auto Power On when disconnecting charging, controling circuit structure of the invention is simple,
It is easy to operate, without other instruments in the case of can realize intelligent switch machine, improve the service efficiency of electronic product.
Brief description of the drawings
Below in conjunction with the accompanying drawings, by the way that specific embodiment of the present utility model is described in detail, will make of the present utility model
Technical scheme and other beneficial effects are apparent.
Fig. 1 is charging intelligent switch machine electric operation control circuit figure；
Fig. 2 is the structural representation of control chip.
Embodiment
The technological means and its effect taken for further elaboration the utility model, below in conjunction with of the present utility model
Preferred embodiment and its accompanying drawing are described in detail.
The disclosed charging intelligent switch machine control circuit of the utility model, in smart machine, refer to Fig. 1-2, bag
Include control chip U1 and control circuit, the control circuit includes starting-up signal end, off signal end, device power supply (DPS) end VCC, filled
Electric end ACIN, battery supply end VBAT, the first metal-oxide-semiconductor Q1, the second metal-oxide-semiconductor Q2, resistance R1-R8 and electric capacity C1-C3；
Filter capacitor C1 is grounded, and the charging end is filtered by electric capacity C1, after resistance R1, R2 partial pressure, then passes through resistance R3
It is connected with the first metal-oxide-semiconductor Q1 grid；Charging end ACIN is grounded by resistance R1 and resistance R2；
First metal-oxide-semiconductor Q1 source electrode connection battery supply end VBAT, the first metal-oxide-semiconductor Q1 grid by divider resistance R4 and
Divider resistance R5 is grounded, and the first metal-oxide-semiconductor Q1 drain electrode is connected by delay circuit with the second metal-oxide-semiconductor Q2 grid, the delay
Electric routing capacitance C3 and resistance R7 composition；
Connect off signal end between divider resistance R4 and divider resistance R5, the drain electrode of the second metal-oxide-semiconductor Q2 passes through upper
Pull-up resistor R8 is connected with device power supply (DPS) end VCC, the second metal-oxide-semiconductor Q2 drain electrode connection starting-up signal end, the second metal-oxide-semiconductor Q2 source electrode
Ground connection；
Wherein, S extremely source electrodes, D extremely drain in Fig. 1, G extremely grids.
Control chip U1 includes POWEROFF pins and POWERON pins, and off signal end is with control chip U1's
POWEROFF pins are connected, and start machine signal end is connected with control chip U1 POWERON pins.When charging end is charged
When, POWEROFF pins detect high level, equipment is shut down by software control；
When charging end, which disconnects, charges, the voltage of charging end is 0V, the first metal-oxide-semiconductor Q1 drain electrode and source conduction, battery
Power end VBAT electric current, RC delay circuit inputs are added in by the first metal-oxide-semiconductor Q1, the second metal-oxide-semiconductor Q2 grid receives
Signal be equal to pressure drop on resistance R7, when unlatching electricity of the voltage between Q2 grid and source electrode more than the second metal-oxide-semiconductor Q2
During pressure, the second metal-oxide-semiconductor Q2 conductings, starting-up signal end is low level, and software control makes device power-up.
Specifically, the first metal-oxide-semiconductor Q1 is PMOS, and the second metal-oxide-semiconductor Q2 is NMOS tube.
More specifically, the first metal-oxide-semiconductor Q1 models AO3423；Second metal-oxide-semiconductor Q2 models 2N7002LT1G.
Specifically, the control chip U1 includes TC432 chips and TC431 chips.Preferably implement in the utility model one
In example, R1=10k Ω；R2=20k Ω, R3=0 Ω, R4=100 Ω, R5=10k Ω, R6=56k Ω, R7=4.3M Ω；R8=10kΩ.
The μ F of C1 in electric capacity=10；The μ F of C2=10 μ F, C3=10.
The beneficial effects of the utility model are as follows：
By improving conventional switching on and shutting down control circuit, make to be no longer dependent on hand switch machine during equipment charge, realization is filled
Equipment automatic shutdown when electric, the intelligent switch machine effect of Auto Power On when disconnecting charging, controling circuit structure of the invention is simple,
It is easy to operate, without other instruments in the case of can realize device intelligence switching on and shutting down, improve the service efficiency of electronic product.
It is described above, for the person of ordinary skill of the art, can according to the technical solution of the utility model and
Technical concept makes other various corresponding changes and deformation, and all these changes and deformation should all belong to the utility model power
The protection domain that profit requires.
Claims (4)
1. charge intelligent switch machine control circuit, in smart machine, it is characterised in that including control chip and control electricity
Road, the control circuit include starting-up signal end, off signal end, device power supply (DPS) end VCC, charging end, battery supply end, first
Metal-oxide-semiconductor, the second metal-oxide-semiconductor, resistance R1-R8 and electric capacity C1-C3；
Filter capacitor C1 is grounded, and the charging end is filtered by electric capacity C1, after resistance R1, R2 partial pressure, then passes through resistance R3 and the
One metal-oxide-semiconductor Q1 grid connection, charging end is grounded by resistance R1 and resistance R2；
The source electrode connection battery supply end of first metal-oxide-semiconductor, the grid of the first metal-oxide-semiconductor are connect by divider resistance R4 and divider resistance R5
Ground, the drain electrode of the first metal-oxide-semiconductor are connected by delay circuit with the grid of the second metal-oxide-semiconductor, and the delay circuit is by electric capacity C3 and electricity
Hinder R7 compositions；
Off signal end is connected between divider resistance R4 and divider resistance R5, the drain electrode of second metal-oxide-semiconductor passes through pull-up resistor
R8 is connected with device power supply (DPS) end, the drain electrode connection starting-up signal end of the second metal-oxide-semiconductor, the source ground of the second metal-oxide-semiconductor；
Control chip includes the POWEROFF pins of POWEROFF pins and POWERON pins, off signal end and control chip
Connection, the POWERON pins connection of start shooting machine signal end and control chip.
2. charging intelligent switch machine control circuit according to claim 1, it is characterised in that first metal-oxide-semiconductor is
PMOS, second metal-oxide-semiconductor are NMOS tube.
3. charging intelligent switch machine control circuit according to claim 2, it is characterised in that the first metal-oxide-semiconductor model
AO3423；Second metal-oxide-semiconductor model 2N7002LT1G.
4. charging intelligent switch machine control circuit according to claim 1, it is characterised in that the control chip includes
TC432 chips and TC431 chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720966213.9U CN207124616U (en) | 2017-08-04 | 2017-08-04 | Charge intelligent switch machine control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720966213.9U CN207124616U (en) | 2017-08-04 | 2017-08-04 | Charge intelligent switch machine control circuit |
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| Publication Number | Publication Date |
|---|---|
| CN207124616U true CN207124616U (en) | 2018-03-20 |
Family
ID=61613747
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720966213.9U Active CN207124616U (en) | 2017-08-04 | 2017-08-04 | Charge intelligent switch machine control circuit |
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| CN (1) | CN207124616U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109587592A (en) * | 2018-06-19 | 2019-04-05 | 伍军华 | Bluetooth headset and its on-off control method |
| CN110928389A (en) * | 2019-11-08 | 2020-03-27 | 山东超越数控电子股份有限公司 | Circuit for automatically starting up loongson mainboard after power-on |
| CN110941319A (en) * | 2018-09-21 | 2020-03-31 | 凌宇科技（北京）有限公司 | Automatic starting circuit of equipment and equipment |
| CN110941087A (en) * | 2018-09-21 | 2020-03-31 | 凌宇科技（北京）有限公司 | Combined system and first equipment |
| CN110943720A (en) * | 2018-09-21 | 2020-03-31 | 凌宇科技（北京）有限公司 | Automatic shutdown circuit of equipment and equipment |
| CN111800709A (en) * | 2019-07-18 | 2020-10-20 | 深圳市豪恩声学股份有限公司 | Automatic power on/off circuit and bluetooth headset |
| CN112003367A (en) * | 2020-09-02 | 2020-11-27 | 合肥国轩高科动力能源有限公司 | Data backup circuit of internet multi-stage intelligent remote monitoring system |
| CN113747079A (en) * | 2021-09-27 | 2021-12-03 | 上海布鲁可积木科技有限公司 | Camera drive control circuit, layout structure, camera and toy |
| CN117453464A (en) * | 2023-12-25 | 2024-01-26 | 深圳市芯科云科技有限公司 | Chip switching control method of multi-chip intelligent wearable device |
-
2017
- 2017-08-04 CN CN201720966213.9U patent/CN207124616U/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109587592A (en) * | 2018-06-19 | 2019-04-05 | 伍军华 | Bluetooth headset and its on-off control method |
| CN110941319A (en) * | 2018-09-21 | 2020-03-31 | 凌宇科技（北京）有限公司 | Automatic starting circuit of equipment and equipment |
| CN110941087A (en) * | 2018-09-21 | 2020-03-31 | 凌宇科技（北京）有限公司 | Combined system and first equipment |
| CN110943720A (en) * | 2018-09-21 | 2020-03-31 | 凌宇科技（北京）有限公司 | Automatic shutdown circuit of equipment and equipment |
| CN110941319B (en) * | 2018-09-21 | 2021-04-27 | 凌宇科技（北京）有限公司 | Automatic starting circuit of equipment and equipment |
| CN110943720B (en) * | 2018-09-21 | 2024-01-26 | 凌宇科技（北京）有限公司 | Automatic shutdown circuit of equipment and equipment |
| CN111800709A (en) * | 2019-07-18 | 2020-10-20 | 深圳市豪恩声学股份有限公司 | Automatic power on/off circuit and bluetooth headset |
| CN110928389A (en) * | 2019-11-08 | 2020-03-27 | 山东超越数控电子股份有限公司 | Circuit for automatically starting up loongson mainboard after power-on |
| CN112003367A (en) * | 2020-09-02 | 2020-11-27 | 合肥国轩高科动力能源有限公司 | Data backup circuit of internet multi-stage intelligent remote monitoring system |
| CN113747079A (en) * | 2021-09-27 | 2021-12-03 | 上海布鲁可积木科技有限公司 | Camera drive control circuit, layout structure, camera and toy |
| CN117453464A (en) * | 2023-12-25 | 2024-01-26 | 深圳市芯科云科技有限公司 | Chip switching control method of multi-chip intelligent wearable device |
| CN117453464B (en) * | 2023-12-25 | 2024-04-12 | 深圳市芯科云科技有限公司 | Chip switching control method of multi-chip intelligent wearable device |
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