CN107561991A - A kind of switching on and shutting down management circuit and terminal - Google Patents
A kind of switching on and shutting down management circuit and terminal Download PDFInfo
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- CN107561991A CN107561991A CN201710920034.6A CN201710920034A CN107561991A CN 107561991 A CN107561991 A CN 107561991A CN 201710920034 A CN201710920034 A CN 201710920034A CN 107561991 A CN107561991 A CN 107561991A
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Abstract
The invention provides a kind of switching on and shutting down management circuit and terminal, wherein, switching on and shutting down management circuit includes main power-supplying circuit, switching on and shutting down control circuit and system control assembly；Main power-supplying circuit and switching on and shutting down control circuit are connected with system control assembly；Main power-supplying circuit is powered for system control assembly under open state；When detecting shutdown command, switching on and shutting down control circuit transmission off signal gives system control assembly, and system control assembly sends power-off signal and closed to main power-supplying circuit, main power-supplying circuit power-off, and switching on and shutting down control circuit is closed afterwards.The present invention controls main power-supplying circuit to close in shutdown by system control assembly, and switching on and shutting down control circuit is also switched off.The thorough power-off shutdown of system is realized, electric energy loss no longer be present after shutdown, greatly reduce life-span and battery durable ability that system power dissipation improves end cell.
Description
Technical field
The present invention relates to field of terminal technology, and circuit and terminal are managed in particular to a kind of switching on and shutting down.
Background technology
The terminal such as mobile phone or tablet personal computer mainly passes through battery powered, and the endurance of battery is that terminal is very important
Performance indications.And the endurance of battery depends on the power consumption of terminal, postboost power consumption equally influences the endurance of battery.
Terminal mainly has three big module of power module, system control module and system function module.Power module be responsible for
System control module and system function module power supply, system control module control system functional module complete various functions.At present
Mainly system control module is set to enter park mode during terminal closedown, system function module does not work and not in the hibernation mode
Battery electric quantity is expended again.But after shutting down, battery is still powered to system control module, and system control module still expends electric energy,
Power-off shutdown truly can not be realized, circuit power consumption is larger, influences the endurance of battery.
The content of the invention
In view of this, the purpose of the embodiment of the present invention is to provide a kind of switching on and shutting down management circuit and terminal, existing to solve
There is problems with existing for technology：Battery is still powered to system control module after terminal closedown in the prior art, is still expended
Electric energy, circuit power consumption is larger, influences the endurance of battery.
In a first aspect, the embodiments of the invention provide a kind of switching on and shutting down to manage circuit, including main power-supplying circuit, switch
Machine control circuit and system control assembly；
The main power-supplying circuit and the switching on and shutting down control circuit are connected with the system control assembly；Starting shooting
The main power-supplying circuit is powered for the system control assembly under state；
When detecting shutdown command, the switching on and shutting down control circuit transmission off signal gives the system control assembly, institute
System control assembly transmission power-off signal is stated to close to the main power-supplying circuit, the main power-supplying circuit power-off, it
The switching on and shutting down control circuit is closed afterwards.
With reference in a first aspect, the embodiments of the invention provide the possible implementation of the first of above-mentioned first aspect, its
In, the main power-supplying circuit includes the first voltage stabilizing chip and the first peripheral circuit；
First voltage stabilizing chip respectively with device power supply (DPS), first peripheral circuit, the switching on and shutting down control circuit and
The system control assembly connection.
With reference in a first aspect, the embodiments of the invention provide the possible implementation of second of above-mentioned first aspect, its
In, the switching on and shutting down control circuit includes the second voltage stabilizing chip, the second peripheral circuit and manual switch circuit；
Second voltage stabilizing chip respectively with device power supply (DPS), second peripheral circuit, the manual switch circuit, described
Main power-supplying circuit and system control assembly connection.
With reference to second of possible implementation of first aspect, the embodiments of the invention provide the of above-mentioned first aspect
Three kinds of possible implementations, wherein, the manual switch circuit includes switching tube, key switch and peripheral electron device；
The switching tube respectively with the device power supply (DPS), the peripheral electron device, the key switch, described second steady
Press chip connection；The key switch is connected with the peripheral electron device.
With reference to the third possible implementation of first aspect, the embodiments of the invention provide the of above-mentioned first aspect
Four kinds of possible implementations, wherein, the peripheral electron device includes first resistor and second resistance；
The one end of the source electrode of the switching tube respectively with the device power supply (DPS) and the first resistor is connected；First electricity
The other end of resistance is connected with one end of the key switch and the grid of the switching tube respectively；The other end of the key switch
Ground connection；
The one end of the drain electrode of the switching tube respectively with second voltage stabilizing chip and the second resistance is connected；Described
The other end ground connection of two resistance.
With reference to the third possible implementation of first aspect, the embodiments of the invention provide the of above-mentioned first aspect
Five kinds of possible implementations, wherein, when the key switch is pressed start, the switching on and shutting down control circuit is opened, and is
The system control assembly power supply, and starting-up signal is transmitted to the system control assembly；
The system control assembly sends wake-up signal and opened to the main power-supplying circuit, the main power-supplying circuit
Open, and powered for the system control assembly.
With reference to the 5th kind of possible implementation of first aspect, the embodiments of the invention provide the of above-mentioned first aspect
Six kinds of possible implementations, wherein, after the main power-supplying circuit is system control assembly power supply, the button
Switch is upspring, and the switching on and shutting down control circuit is closed.
With reference to the first possible implementation of first aspect, the embodiments of the invention provide the of above-mentioned first aspect
Seven kinds of possible implementations, wherein, first peripheral circuit includes the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electricity
Appearance and 3rd resistor；
First pin of first voltage stabilizing chip respectively with the device power supply (DPS) and first electric capacity being connected in parallel
With second capacitance connection；Second pin be grounded, the 4th pin is hanging, the 3rd pin respectively with the system control assembly and
One end connection of the 3rd resistor；The other end ground connection of the 3rd resistor；
5th pin of first voltage stabilizing chip respectively with the system control assembly, the switching on and shutting down control circuit,
3rd electric capacity and the 4th capacitance connection.
With reference to second of possible implementation of first aspect, the embodiments of the invention provide the of above-mentioned first aspect
Eight kinds of possible implementations, wherein, second peripheral circuit includes the 5th electric capacity, the 6th electric capacity, the 7th electric capacity, the 8th electricity
Appearance, the 4th resistance, the 5th resistance and diode；
First pin of second voltage stabilizing chip respectively with the device power supply (DPS) and the 5th electric capacity being connected in parallel
With the 6th capacitance connection；Second pin is grounded, and the 4th pin is hanging, and the 3rd pin connects with the manual switch circuit
Connect；
5th pin of second voltage stabilizing chip is connected by the diode with the main power-supplying circuit, is passed through
7th capacity earth, pass through the 4th resistance being connected in series and the 5th resistance eutral grounding；
8th electric capacity one end ground connection, the other end respectively with the 4th resistance, the 5th resistance and the system
Control assembly of uniting connection.
Second aspect, the embodiments of the invention provide a kind of terminal, including device power supply (DPS), systemic-function component and right will
The switching on and shutting down described in any one of 1-9 are asked to manage circuit；
The main power-supplying circuit and switching on and shutting down control circuit that the switching on and shutting down management circuit includes are electric with the equipment
Source connects；
The system control assembly that the switching on and shutting down management circuit includes is connected with the systemic-function component.
In embodiments of the present invention, switching on and shutting down management circuit includes main power-supplying circuit, switching on and shutting down control circuit and is
System control assembly；Main power-supplying circuit and switching on and shutting down control circuit are connected with system control assembly；It is main under open state
Power-supplying circuit is powered for system control assembly；When detecting shutdown command switching on and shutting down control circuit transmission off signal to
System control assembly, system control assembly send power-off signal and closed to main power-supplying circuit, main power-supplying circuit power-off,
Switching on and shutting down control circuit is closed afterwards.The present invention controls main power-supplying circuit to close in shutdown by system control assembly,
And switching on and shutting down control circuit is also switched off.The thorough power-off shutdown of system is realized, electric energy loss no longer be present after shutdown, greatly
Reduce life-span and battery durable ability that system power dissipation improves end cell.
To enable the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, and coordinate
Appended accompanying drawing, is described in detail below.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by embodiment it is required use it is attached
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore be not construed as pair
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 shows a kind of structural representation for switching on and shutting down management circuit that the embodiment of the present invention 1 is provided；
Fig. 2 shows a kind of circuit diagram for main power-supplying circuit that the embodiment of the present invention 1 is provided；
Fig. 3 shows a kind of circuit diagram for switching on and shutting down control circuit that the embodiment of the present invention 1 is provided；
Fig. 4 shows a kind of circuit diagram for switching on and shutting down management circuit that the embodiment of the present invention 1 is provided；
Fig. 5 shows a kind of structural representation for terminal that the embodiment of the present invention 2 is provided.
The implication that each label represents in above-mentioned accompanying drawing is as follows：
1：Main power-supplying circuit, 2：Switching on and shutting down control circuit, 3：System control assembly, 4：Manual switch circuit, 5：If
Stand-by power source, 6：Systemic-function component, 7：Switching on and shutting down manage circuit；
C1：First electric capacity, C2：Second electric capacity, C3：3rd electric capacity, C4：4th electric capacity, C5：5th electric capacity, C6：6th electricity
Hold, C7：7th electric capacity, C8：8th electric capacity；R1：First resistor, R2：Second resistance, R3：3rd resistor, R4：4th resistance,
R5：5th resistance；D1：Diode；Q1：Switching tube, G1：The source electrode of switching tube, G2：The grid of switching tube, G3：The leakage of switching tube
Pole；
U1：First voltage stabilizing chip, Y1：First pin of the first voltage stabilizing chip, Y2：The second pin of first voltage stabilizing chip,
Y3：3rd pin of the first voltage stabilizing chip, Y4：Y1：4th pin of the first voltage stabilizing chip, Y5：The 5th of first voltage stabilizing chip
Pin；
U2：Second voltage stabilizing chip, J1：First pin of the second voltage stabilizing chip, J2：The second pin of second voltage stabilizing chip,
J3：3rd pin of the second voltage stabilizing chip, J4：4th pin of the second voltage stabilizing chip, J5：The 5th of second voltage stabilizing chip draws
Pin；
GND：Ground connection, INTO：Input.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
Middle accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only
It is part of the embodiment of the present invention, rather than whole embodiments.The present invention being generally described and illustrated herein in the accompanying drawings is real
Applying the component of example can be configured to arrange and design with a variety of.Therefore, it is of the invention to what is provided in the accompanying drawings below
The detailed description of embodiment is not intended to limit the scope of claimed invention, but is merely representative of the selected reality of the present invention
Apply example.Based on embodiments of the invention, institute that those skilled in the art are obtained on the premise of creative work is not made
There is other embodiment, belong to the scope of protection of the invention.
Still powered in view of battery after terminal closedown in the prior art to system control module, system control module is still
Electric energy is expended, power-off shutdown truly can not be realized, circuit power consumption is larger, influences the endurance of battery.Based on this,
The embodiments of the invention provide a kind of switching on and shutting down management circuit and terminal, it is described below by embodiment.
Embodiment 1
Referring to Fig. 1, the embodiments of the invention provide a kind of switching on and shutting down to manage circuit, including main power-supplying circuit 1, switch
Machine control circuit 2 and system control assembly 3.
Main power-supplying circuit 1 and switching on and shutting down control circuit 2 are connected with system control assembly 3；It is main under open state
Power-supplying circuit 1 is that system control assembly 3 is powered；The transmission of the switching on and shutting down control circuit 2 shutdown letter when detecting shutdown command
System control assembly 3 number is given, system control assembly 3 sends power-off signal to main power-supplying circuit 1, main power-supplying circuit 1
Power-off is closed, and switching on and shutting down control circuit 2 is closed afterwards.
Wherein, system control assembly 3 includes the microprocessor controller of terminal and corresponding peripheral circuit, microprocessor controller
Including but not limited to single-chip microcomputer.Under open state, switching on and shutting down control circuit 2 is closed, the main normal work of power-supplying circuit 1,
Powered for system control assembly 3.When user clicks on the key switch S1 that switching on and shutting down control circuit 2 includes, switching on and shutting down control electricity
Road 2 detects shutdown command, and transmission off signal is to system control assembly 3.After system control assembly 3 receives the off signal
Power-off signal is sent to main power-supplying circuit 1.Main power-supplying circuit 1 is closed after receiving the power-off signal, is stopped to be
System control assembly 3 is powered.Switching on and shutting down control circuit 2 can close automatically after above-mentioned off signal is sent, or send shutdown
Signal is closed automatically to system control assembly 3 and after receiving the response signal of the return of system control assembly 3, or in main power supply
Switching on and shutting down control circuit 2 is closed automatically after the power-off of control circuit 1 is closed.
In start, user clicks on the key switch S1 that switching on and shutting down control circuit 2 includes, and switching on and shutting down control circuit 2 detects
To start-up command, switching on and shutting down control circuit 2 is waken up unlatching, is first that system control assembly 3 is powered by switching on and shutting down control circuit 2.
Simultaneous Switching machine control circuit 2 transmits starting-up signal to system control assembly 3.System control assembly 3 receives the starting-up signal
Wake-up signal is sent afterwards to main power-supplying circuit 1, wakes up main power-supplying circuit 1, main power-supplying circuit 1 is opened and to be
System control assembly 3 is powered, and system control assembly 3 starts normal work.It is that system control assembly 3 supplies in main power-supplying circuit 1
After electricity, switching on and shutting down control circuit 2 is closed, and stops powering for system control assembly 3.
The starting-up signal that is referred in the embodiment of the present invention, off signal, power-off signal etc. are level signal, pass through height
Different level signals distinguishes different control signals.
In embodiments of the present invention, the switching on and shutting down for realizing terminal by switching on and shutting down control circuit 2 control.In shutdown by opening
Shutdown control circuit 2 transmits off signal can after the off signal is received to system control assembly 3, system control assembly 3
To be preserved to the process being currently executing, the data handled etc..After system control assembly 3 receives off signal
Main power-supplying circuit 1 is controlled to close, and the also automatic closing of switching on and shutting down control circuit 2.Such system control group after shut down
Part 3 thoroughly powers off, and realizes shutdown truly, significantly reduces the system power dissipation of terminal, improves device power supply (DPS)
Endurance and life-span.
As shown in Fig. 2 main power-supplying circuit 1 includes the first voltage stabilizing chip U1 and the first peripheral circuit；First voltage stabilizing core
Piece U1 is connected with device power supply (DPS), the first peripheral circuit, switching on and shutting down control circuit 2 and system control assembly 3 respectively.First voltage stabilizing core
Piece U1 is the voltage stabilizing chip with switching function.
Wherein, as shown in Figure 2, the first peripheral circuit includes the first electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, the
Four electric capacity C4 and 3rd resistor R3.First voltage stabilizing chip U1 the first pin Y1 is VIN (power input) pin, the first pin Y1
It is connected respectively with device power supply (DPS) and the first electric capacity C1 being connected in parallel and the second electric capacity C2.I.e. the first pin Y1 connects power input,
And it is decoupling and filtering that the first electric capacity C1 being connected in parallel and the second electric capacity C2, main function are connected between ground wire.
First voltage stabilizing chip U1 second pin Y2 is VSS (digital circuit pin) pin, second pin Y2 ground connection.The
One voltage stabilizing chip U1 the 4th pin Y4 is NC (unused pin) pin, and the 4th pin Y4 is hanging.
First voltage stabilizing chip U1 the 3rd pin Y3 is CE (signal output pin) pin, the 3rd pin Y3 respectively with system
Control assembly 3 and 3rd resistor R3 one end connect, 3rd resistor R3 other end ground connection.I.e. the 3rd pin Y3 divides two-way, and one
Road is connected with system control assembly 3, the control signal transmitted for reception system control assembly 3.Another way passes through 3rd resistor
R3 be grounded, 3rd resistor R3 ground connection main function be system control assembly 3 in electrifying startup in a flash, on the 3rd pin Y3
It is high-impedance state, i.e., signal output pin is nondeterministic statement, is the equal of empty electricity, so needing with the 3rd larger electricity of resistance
R3 ground connection is hindered, past is pulled up empty electric.
First voltage stabilizing chip U1 the 5th pin Y5 is VOUT (power supply output) pin.5th pin Y5 respectively with system control
Component 3, switching on and shutting down control circuit 2, the 3rd electric capacity C3 and the 4th electric capacity C4 connections processed.That is Y5 points of three tunnels of the 5th pin, the first via
It is connected with system control assembly 3, is powered for system control assembly 3.Second tunnel is connected with switching on and shutting down control circuit 2.3rd tunnel leads to
It is grounded after crossing the 3rd electric capacity C3 and the 4th electric capacity C4 being connected in parallel.
As shown in figure 3, switching on and shutting down control circuit 2 includes the second voltage stabilizing chip U2, the second peripheral circuit and hand switch electricity
Road 4；Second voltage stabilizing chip U2 respectively with device power supply (DPS), the second peripheral circuit, manual switch circuit 4, main power-supplying circuit 1 and
System control assembly 3 connects.Second voltage stabilizing chip U2 is the voltage stabilizing chip for having switching function.
Wherein, as shown in Figure 3, the second peripheral circuit includes the 5th electric capacity C5, the 6th electric capacity C6, the 7th electric capacity C7, the
Eight electric capacity C8, the 4th resistance R4, the 5th resistance R5 and diode D1.
Second voltage stabilizing chip U2 the first pin J1 is VIN pins, the first pin J1 respectively with device power supply (DPS) and it is in parallel even
The 5th electric capacity C5 connect and the 6th electric capacity C6 connections.I.e. the first pin J1 connects power input, and in parallel connect is connected between ground wire
The 5th electric capacity C5 connect and the 6th electric capacity C6.
Second voltage stabilizing chip U2 second pin J2 is VSS pins, and second pin J2 is grounded.The of second voltage stabilizing chip U2
Four pin J4 are NC pins, and the 4th pin J4 is hanging.Second voltage stabilizing chip U2 the 3rd pin J3 is CE pins, the 3rd pin J3
It is connected with manual switch circuit 4；
Second voltage stabilizing chip U2 the 5th pin J5 is VOUT pins, and the 5th pin J5 is controlled by diode D1 and main power supply
Circuit 1 processed connects, and is grounded by the 7th electric capacity C7, is grounded by the 4th resistance R4 being connected in series and the 5th resistance R5.I.e.
Five three tunnels of J5 points of pin, first via connection diode D1 anode, the power supply of diode D1 negative electrode and main power-supplying circuit 1
End connection, the feeder ear of main power-supplying circuit 1 is above-mentioned first voltage stabilizing chip U1 the 5th pin Y5.Second tunnel is by the
Seven electric capacity C7 are connected to ground.3rd tunnel by series connection the 4th resistance R4 and the 5th resistance R5 be connected to ground, the 4th resistance R4 and
5th resistance R5 forms bleeder circuit, and the voltage for exporting ON-OFF control circuit is more stable.
8th electric capacity C8 one end ground connection, the other end respectively with the 4th resistance R4, the 5th resistance R5 and system control assembly 3
Connection.That is one end of the 8th electric capacity C8 is connected to ground, and the other end divides two-way, all the way with the 4th resistance R4 and the 5th resistance R5 public affairs
End connection altogether, another way are INTO (input) terminal being connected with system control assembly 3, and the INTO terminals connect system control group
Part 3.
As shown in Figure 3, manual switch circuit 4 includes switching tube Q1, key switch S1 and peripheral electron device；Switching tube
Q1 is connected with device power supply (DPS), peripheral electron device, key switch S1, the second voltage stabilizing chip U2 respectively；Key switch S1 and periphery
Electronic device connects.Peripheral electron device includes first resistor R1 and second resistance R2.Key switch S1 is mechanical switch, is used for
The switching on and shutting down of terminal.Switching tube Q1 manages for low power P-channel MOS (Metal Oxide Semiconductor), P-channel MOS
The characteristics of pipe is low level conducting, so manual switch circuit 4 is not turned on, it is necessary to pass through first resistor by default
R1 is pulled upward to high level end.
The one end of switching tube Q1 source electrode G1 respectively with device power supply (DPS) and first resistor R1 is connected；First resistor R1's is another
End is connected with key switch S1 one end；Key switch S1 other end ground connection.That is switching tube Q1 source electrode G1 divides two-way, all the way
It is connected with power input, another way is grounded after the first resistor R1 and key switch S1 that are connected in series, key switch S1 quilts
Earth-continuity when pressing, form low level turn-on condition, switching tube Q1 conductings.
The above-mentioned first resistor R1 other end and key switch S1 one end are also connected with switching tube Q1 grid G 2.Open
The grid G 2 for closing pipe Q1 is connected with first resistor R1 and key switch S1 common port.Switching tube Q1 drain electrode G3 is respectively with second
Voltage stabilizing chip U2 and second resistance R2 one end connect；Second resistance R2 other end ground connection.That is G3 points of the drain electrode of switching tube Q1
Two-way, the 3rd pin J3 for the second voltage stabilizing chip U2 being directly connected to all the way in switching on and shutting down control circuit 2.Another way passes through second
Resistance R2 is grounded.Second resistance R2 effect is the stabilization operation for key switch S1.
Annexation between main power-supplying circuit 1 as shown in Figure 2 and switching on and shutting down control circuit 2 as shown in Figure 3
As shown in Figure 4.
When terminal is in off-mode, if user needs to open a terminal, user pushes button switch S1, in key switch
S1 be pressed start when, switching on and shutting down control circuit 2 is opened, and is powered for system control assembly 3, and transmit starting-up signal and give system control
Component 3 processed.Specifically, key switch S1 is pressed, and switching tube Q1 grid G 2 is directly connected to the ground, and current potential 0, meets low electricity
Flat turn-on condition, switching tube Q1 conductings, the current potential for the source electrode G1 being connected with device power supply (DPS) are higher than grid G 2, switching tube Q1 source electrode
Turned between G1 and drain electrode G3.Now the 3rd pin J3 of the second voltage stabilizing chip U2 in switching on and shutting down control circuit 2 obtains high electricity
Flat, the second voltage stabilizing chip U2 starts normal work, the second voltage stabilizing chip U2 the 5th pin J5 output voltages, and the 5th pin J5 leads to
Powered in advance to system control assembly 3 after crossing diode D1, system control assembly 3 is started working.Simultaneous Switching machine control circuit 2
In the INTO terminals that are connected with system control assembly 3 obtain high level, the high level is that switching on and shutting down control circuit 2 is transferred to and is
The starting-up signal for control assembly 3 of uniting.
After system control assembly 3 is started working, the output level for detecting the INTO terminals in switching on and shutting down control circuit 2 is
High level, and the high level duration is more than or equal to preset duration, it is determined that it is currently power-on operation, carries out follow-up open
Machine processing.Preset duration can be 1S or 2S etc., if system control assembly 3 detects continuing for the high level of INTO terminals output
Duration is less than preset duration, it is determined that the high level is interference signal, is handled without follow-up start.
When system control assembly 3 detects that INTO terminals export high level, and the high level duration is more than or equal to
Preset duration, then system control assembly 3 receive switching on and shutting down control circuit 2 output starting-up signal.System control assembly 3 is sent
Wake-up signal gives main power-supplying circuit 1, and main power-supplying circuit 1 is opened, and is powered for system control assembly 3.Specifically, such as
Shown in Fig. 2, system control assembly 3 is connected with the 3rd pin Y3 of the first voltage stabilizing chip U1 in main power-supplying circuit 1, system
Control assembly 3 receives the electricity that the first voltage stabilizing chip U1 the 3rd pin Y3 in main power-supplying circuit 1 is controlled after starting-up signal
Put down as height, the first voltage stabilizing chip U1 is started working.After first voltage stabilizing chip U1 starts working, the 5th of the first voltage stabilizing chip U1 the
Pin Y5 output voltages give the normal power supply of system control assembly 3, and system control assembly 3 controls the systemic-function component of terminal to start
Normal work.It is that system control assembly 3 is powered in main power-supplying circuit 1, after system function module is started working, key switch
S1 is upspring, and now switching tube Q1 is closed, and the second voltage stabilizing chip U2 is accordingly turned off, and whole switching on and shutting down control circuit 2 is closed, and stops work
Make, exit power supply.Under open state, the system of terminal is powered by main power-supplying circuit 1.
During end open state, if user needs to close a terminal, user pushes button switch S1, in key switch S1
Be pressed shutdown when, switching tube Q1 conductings, the second voltage stabilizing chip U2 opens therewith, and switching on and shutting down control circuit 2 starts normal work,
On the one hand powered in advance for system control assembly 3 by the second voltage stabilizing chip U2 the 5th pin output voltage.On the other hand open
The INTO terminals output high level being connected in shutdown control circuit 2 with system control assembly 3, and the duration of the high level is big
In or equal to preset duration.System control assembly 3 detects that INTO terminals output duration is more than or equal to preset duration
After high level, the 3rd pin Y3 level for controlling the first voltage stabilizing chip U1 in main power-supplying circuit 1 is low, and then makes first
Voltage stabilizing chip U1 is stopped, and main power-supplying circuit 1 is stopped, and simultaneity factor control assembly 3 controls the system work(of terminal
Energy component is stopped.After main power-supplying circuit 1 is closed, key switch S1 is upspring, and switching tube Q1 is closed, the second voltage stabilizing chip
U2 is accordingly turned off, and whole switching on and shutting down control circuit 2 is closed, and is stopped.So far switching on and shutting down control circuit 2 and main power supply control electricity
All power-off is stopped on road 1, and the power-off of system control assembly 3 is closed, and completes thoroughly shutdown.I.e. under off-mode, terminal is
Unite fully powered-off, in the absence of electric energy loss, greatly reduce system power dissipation, improve the battery life and battery durable of terminal
Ability.
In embodiments of the present invention, switching on and shutting down management circuit includes main power-supplying circuit, switching on and shutting down control circuit and is
System control assembly；Main power-supplying circuit and switching on and shutting down control circuit are connected with system control assembly；It is main under open state
Power-supplying circuit is powered for system control assembly；When detecting shutdown command switching on and shutting down control circuit transmission off signal to
System control assembly, system control assembly send power-off signal and closed to main power-supplying circuit, main power-supplying circuit power-off,
Switching on and shutting down control circuit is closed afterwards.The present invention controls main power-supplying circuit to close in shutdown by system control assembly,
And switching on and shutting down control circuit is also switched off.The thorough power-off shutdown of system is realized, electric energy loss no longer be present after shutdown, greatly
Reduce life-span and battery durable ability that system power dissipation improves end cell.
Embodiment 2
Referring to Fig. 5, the embodiments of the invention provide a kind of terminal, including device power supply (DPS) 5, systemic-function component 6 and above-mentioned
The switching on and shutting down management circuit 7 that embodiment 1 is provided.
The main power-supplying circuit 1 and switching on and shutting down control circuit 2 that switching on and shutting down management circuit 7 includes connect with device power supply (DPS) 5
Connect；The system control assembly 3 that switching on and shutting down management circuit 7 includes is connected with systemic-function component 6.
Device power supply (DPS) 5 can be the battery of terminal.In embodiments of the present invention, switching on and shutting down management circuit 7 structure with it is upper
It is identical to state the structure of the switching on and shutting down management circuit 7 provided in embodiment 1, will not be repeated here.
In embodiments of the present invention, under open state, switching on and shutting down control circuit 2 is closed, and terminal only has main power supply control
Circuit 1 is powered.Under off-mode, main power-supplying circuit 1 is powered off with switching on and shutting down control circuit 2 and is stopped, and terminal is complete
Power-off, thoroughly shutdown, in the absence of electric energy loss, greatly reduces system power dissipation, improves life-span and the continuation of the journey of device power supply (DPS) 5
Ability.
In start, user clicks on the key switch S1 that switching on and shutting down control circuit 2 includes, and switching on and shutting down control circuit 2 is called out
Wake up and open, be first that system control assembly 3 is powered by switching on and shutting down control circuit 2.Simultaneous Switching machine control circuit 2 transmits starting-up signal
To system control assembly 3.System control assembly 3, which receives, sends wake-up signal after the starting-up signal to main power-supplying circuit 1,
Main power-supplying circuit 1 is waken up, main power-supplying circuit 1 is opened and powered for system control assembly 3, and system control assembly 3 is controlled
Systemic-function component 6 processed starts normal work.It is switching on and shutting down control after system control assembly 3 is powered in main power-supplying circuit 1
Circuit 2 is closed, and stops powering for system control assembly 3.
In shutdown, user clicks on the key switch S1 that switching on and shutting down control circuit 2 includes, and switching on and shutting down control circuit 2 detects
To shutdown command, transmission off signal is to system control assembly 3.Transmission is disconnected after system control assembly 3 receives the off signal
Electric signal gives main power-supplying circuit 1.Main power-supplying circuit 1 is closed after receiving the power-off signal, stops controlling for system
Component 3 is powered, and the control system functional unit 6 of system control assembly 3 is stopped.Switching on and shutting down control circuit 2 is closed automatically afterwards,
It is stopped.So far all power-off is stopped switching on and shutting down control circuit 2 with main power-supplying circuit 1, completes thoroughly shutdown, drop
Low system power dissipation, improve life-span and the battery durable ability of device power supply (DPS) 5.
In embodiments of the present invention, terminal manages circuit by switching on and shutting down and carries out switching on and shutting down control.Switching on and shutting down manage circuit
Including main power-supplying circuit, switching on and shutting down control circuit and system control assembly；Main power-supplying circuit and switching on and shutting down control electricity
Lu Junyu systems control assembly connects；Main power-supplying circuit is powered for system control assembly under open state；Detecting
Switching on and shutting down control circuit transmission off signal gives system control assembly during shutdown command, system control assembly send power-off signal to
Main power-supplying circuit, main power-supplying circuit power-off are closed, and switching on and shutting down control circuit is closed afterwards.The present invention is led in shutdown
Crossing system control assembly controls main power-supplying circuit to close, and switching on and shutting down control circuit is also switched off.Realize the thoroughly disconnected of system
, electric energy loss no longer be present after shutdown, greatly reduce life-span and electricity that system power dissipation improves end cell in electricity shutdown
Pond endurance.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, or should
Invention product using when the orientation usually put or position relationship, be for only for ease of the description present invention and simplify description, without
It is instruction or implies that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore not
It is understood that as limitation of the present invention.In addition, term " first ", " second ", " the 3rd " etc. are only used for distinguishing description, and can not manage
Solve to indicate or implying relative importance.
In the description of the invention, it is also necessary to explanation, unless otherwise clearly defined and limited, term " setting ",
" installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or one
Connect body；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirect by intermediary
It is connected, can is the connection of two element internals.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
Finally it should be noted that：Embodiment described above, it is only the embodiment of the present invention, to illustrate the present invention
Technical scheme, rather than its limitations, protection scope of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, it will be understood by those within the art that：Any one skilled in the art
The invention discloses technical scope in, it can still modify to the technical scheme described in previous embodiment or can be light
Change is readily conceivable that, or equivalent substitution is carried out to which part technical characteristic；And these modifications, change or replacement, do not make
The essence of appropriate technical solution departs from the spirit and scope of technical scheme of the embodiment of the present invention.The protection in the present invention should all be covered
Within the scope of.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of switching on and shutting down manage circuit, it is characterised in that including main power-supplying circuit, switching on and shutting down control circuit and system control
Component processed；
The main power-supplying circuit and the switching on and shutting down control circuit are connected with the system control assembly；In open state
Under the main power-supplying circuit be the system control assembly power supply；
When detecting shutdown command, the switching on and shutting down control circuit transmission off signal gives the system control assembly, the system
Control assembly of uniting sends power-off signal and closed to the main power-supplying circuit, the main power-supplying circuit power-off, Zhi Housuo
State the closing of switching on and shutting down control circuit.
2. switching on and shutting down according to claim 1 manage circuit, it is characterised in that the main power-supplying circuit includes first
Voltage stabilizing chip and the first peripheral circuit；
First voltage stabilizing chip respectively with device power supply (DPS), first peripheral circuit, the switching on and shutting down control circuit and described
System control assembly connects.
3. switching on and shutting down according to claim 1 manage circuit, it is characterised in that the switching on and shutting down control circuit includes second
Voltage stabilizing chip, the second peripheral circuit and manual switch circuit；
Second voltage stabilizing chip respectively with device power supply (DPS), second peripheral circuit, the manual switch circuit, the main confession
Electric control circuit and system control assembly connection.
4. switching on and shutting down according to claim 3 manage circuit, it is characterised in that the manual switch circuit includes switch
Pipe, key switch and peripheral electron device；
The switching tube respectively with the device power supply (DPS), the peripheral electron device, the key switch, the second voltage stabilizing core
Piece connects；The key switch is connected with the peripheral electron device.
5. switching on and shutting down according to claim 4 manage circuit, it is characterised in that the peripheral electron device includes the first electricity
Resistance and second resistance；
The one end of the source electrode of the switching tube respectively with the device power supply (DPS) and the first resistor is connected；The first resistor
The other end is connected with one end of the key switch and the grid of the switching tube respectively；Another termination of the key switch
Ground；
The one end of the drain electrode of the switching tube respectively with second voltage stabilizing chip and the second resistance is connected；Second electricity
The other end ground connection of resistance.
6. switching on and shutting down according to claim 4 manage circuit, it is characterised in that are pressed start in the key switch
When, the switching on and shutting down control circuit is opened, and is powered for the system control assembly, and is transmitted starting-up signal and controlled to the system
Component；
The system control assembly sends wake-up signal and opened to the main power-supplying circuit, the main power-supplying circuit,
And powered for the system control assembly.
7. switching on and shutting down according to claim 6 manage circuit, it is characterised in that in the main power-supplying circuit are described
After the power supply of system control assembly, the key switch is upspring, and the switching on and shutting down control circuit is closed.
8. switching on and shutting down according to claim 2 manage circuit, it is characterised in that first peripheral circuit includes the first electricity
Appearance, the second electric capacity, the 3rd electric capacity, the 4th electric capacity and 3rd resistor；
First pin of first voltage stabilizing chip respectively with the device power supply (DPS) and first electric capacity being connected in parallel and institute
State the second capacitance connection；Second pin is grounded, and the 4th pin is hanging, the 3rd pin respectively with the system control assembly and described
One end connection of 3rd resistor；The other end ground connection of the 3rd resistor；
5th pin of first voltage stabilizing chip respectively with the system control assembly, the switching on and shutting down control circuit, described
3rd electric capacity and the 4th capacitance connection.
9. switching on and shutting down according to claim 3 manage circuit, it is characterised in that second peripheral circuit includes the 5th electricity
Appearance, the 6th electric capacity, the 7th electric capacity, the 8th electric capacity, the 4th resistance, the 5th resistance and diode；
First pin of second voltage stabilizing chip respectively with the device power supply (DPS) and the 5th electric capacity being connected in parallel and
Six capacitance connections；Second pin is grounded, and the 4th pin is hanging, and the 3rd pin is connected with the manual switch circuit；
5th pin of second voltage stabilizing chip is connected by the diode with the main power-supplying circuit, by described
7th capacity earth, pass through the 4th resistance being connected in series and the 5th resistance eutral grounding；
8th electric capacity one end ground connection, the other end respectively with the 4th resistance, the 5th resistance and the system control
Component connection processed.
10. a kind of terminal, it is characterised in that including described in device power supply (DPS), systemic-function component and claim any one of 1-9
Switching on and shutting down manage circuit；
The main power-supplying circuit and switching on and shutting down control circuit that the switching on and shutting down management circuit includes connect with the device power supply (DPS)
Connect；
The system control assembly that the switching on and shutting down management circuit includes is connected with the systemic-function component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710920034.6A CN107561991B (en) | 2017-09-30 | 2017-09-30 | Startup and shutdown management circuit and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710920034.6A CN107561991B (en) | 2017-09-30 | 2017-09-30 | Startup and shutdown management circuit and terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107561991A true CN107561991A (en) | 2018-01-09 |
| CN107561991B CN107561991B (en) | 2024-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710920034.6A Active CN107561991B (en) | 2017-09-30 | 2017-09-30 | Startup and shutdown management circuit and terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107561991B (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107561991B (en) | 2024-06-18 |
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