CN108242827A - The switching on and shutting down charging circuit and method of belt path control - Google Patents
The switching on and shutting down charging circuit and method of belt path control Download PDFInfo
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- CN108242827A CN108242827A CN201611229205.2A CN201611229205A CN108242827A CN 108242827 A CN108242827 A CN 108242827A CN 201611229205 A CN201611229205 A CN 201611229205A CN 108242827 A CN108242827 A CN 108242827A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
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Abstract
The present invention discloses a kind of the switching on and shutting down charging circuit and method of belt path control, the circuit includes the governor circuit, detection circuit, battery and the system power supply that are arranged in mobile phone, switch controller is equipped in governor circuit, switch controller is electrically connected respectively with battery and system power supply, detection circuit is electrically connected with governor circuit, and the voltage of detection circuit detection governor circuit.In the present invention, when mobile phone low battery, which is switched on, to charge, charger charges directly to battery and system power supply so that mobile phone can be switched on after insertion charger in the case of low battery, cross without waiting for a long time；When mobile phone low battery, which is shut down, to charge, charger directly charges the battery；When mobile phone power-on does not charge, powered by battery to system power supply；When mobile phone shutdown does not charge, battery stops powering to system power supply, and mobile phone mobile phone in transport or storage is avoided to power to system power supply, prevents useless power consumption.
Description
Technical field
The switching on and shutting down charging circuit controlled the present invention relates to mobile phone charging technique field more particularly to a kind of belt path and side
Method.
Background technology
As smart mobile phone application processor performance is continuously improved, power consumption is also unprecedented soaring, in order to enhance cruising ability, electricity
Tankage continues to increase.However, it can not be met the requirements by conventional linear charging scheme merely, also, many on the market
Mobile phone is frequently necessary to charging in the case where battery has been subjected to and puts could be switched on for a period of time, and mobile phone also has part in shutdown
Power consumption, these can all cause the experience of user not sufficiently good.
Invention content
For shortcoming present in above-mentioned technology, the present invention provides a kind of switching on and shutting down charging circuit of belt path control
And method, when battery capacity is too low, being inserted into charger can be switched at once, without waiting for too long, and prevent part internal battery
Useless power consumption under shutdown.
In order to achieve the above object, a kind of switching on and shutting down charging circuit of belt path control of the present invention, including being arranged on mobile phone
Interior governor circuit, detection circuit, battery and system power supply, the governor circuit is interior to be equipped with switch controller, the switch control
Device processed is electrically connected respectively with battery and system power supply, and the detection circuit is electrically connected with governor circuit, and the detection circuit is examined
Survey the voltage of governor circuit；
After mobile phone is inserted into charger, if the booting charging of mobile phone low battery, the electric current of charger is inputted from the input terminal of governor circuit
It is exported afterwards from switch controller, detection circuit detects governor circuit to be sent to governor circuit, governor circuit control after high level
Switch controller processed disconnects, and charger charges to battery and system power supply；If the shutdown charging of mobile phone low battery, the electricity of charger
It flows and is exported after the input terminal input of governor circuit from switch controller, detection circuit detects governor circuit to be sent out after low level
Governor circuit, governor circuit control switch controller conducting are given, and charger charges the battery；If mobile phone power-on does not charge,
Switch controller is connected, and battery is powered to system power supply；If mobile phone shutdown does not charge, governor circuit control switch controller breaks
It opens, and battery stops powering to system power supply.
Wherein, the governor circuit includes main control chip, first resistor, second resistance, 3rd resistor, the 4th resistance, the
Five resistance, the 6th resistance, the 7th resistance, the 8th resistance, the first inductance, the first capacitance, the second capacitance, third capacitance, the 4th electricity
One end of appearance, the 5th capacitance, the 6th capacitance, the 7th capacitance, the 8th capacitance and the 9th capacitance, the charger and first resistor and
One end connection of first capacitance, the other end of the first resistor and one end of the second capacitance, the first end feet of main control chip and
The 24th end feet connection of main control chip, and the other end of first capacitance and the other end of the second capacitance are grounded；Institute
The one end of the second end feet and second resistance for stating main control chip connects, the 7th end feet of the main control chip by 3rd resistor with
Mobile phone CPU connections, and there is notice mobile phone CPU when mistake or charged state variation in the main control chip；The main control chip
9th end feet passes through the 5th resistance eutral grounding, the main control chip by the 4th resistance eutral grounding, the tenth end feet of the main control chip
The 11st end feet connect with one end of the 6th resistance and one end of the 7th resistance, the other end of the 6th resistance ground connection, and
The other end of 7th resistance and the other end of second resistance connect；13rd end feet of the main control chip and the 14th end
Foot connects, and the 14th end feet of the main control chip is connect with battery and detection circuit, and the 14th end of the main control chip
Foot passes through third capacity earth；15th end feet of the main control chip and the 16th end feet connection after with system power supply and detection
Circuit connects, and the 15th end feet of the main control chip by the 5th capacity earth, and passes through the 6th by the 4th capacity earth
Capacity earth；17th end feet of the main control chip is grounded after being connected with the 18th end feet；The 19th of the main control chip
End feet is connect with one end of the 20th end feet, one end of the first inductance and the 8th resistance, and the other end of first inductance is with being
System power supply is connected with detection circuit, and the 21st end feet of the main control chip passes through the 7th capacitance and the other end of the 8th resistance
Connection；22nd end feet of the main control chip and one end of the other end of second resistance and the 9th capacitance connect, and described
The other end ground connection of 9th capacitance；23rd end feet of the main control chip is by the 8th capacity earth, and the master control core
The 25th end feet ground connection of piece.
Wherein, the switch controller is arranged in main control chip, the switch controller be metal-oxide-semiconductor, the master control core
The 16th end feet, the 15th end feet and the 14th end feet of piece are connected by the grid of Strobe Controller and metal-oxide-semiconductor, the choosing
The drain electrode of the first output terminal and metal-oxide-semiconductor of ventilating controller and system power supply connection, the second output terminal of the Strobe Controller with
The source electrode of metal-oxide-semiconductor is connected with battery, and the drain electrode of the metal-oxide-semiconductor is connect with system power supply, and the source electrode of the metal-oxide-semiconductor connects with battery
It connects.
Wherein, the detection circuit includes the 9th resistance and the tenth resistance, one end of the 9th resistance and main control chip
The 14th end feet connection, one end of the tenth resistance is connect with the other end of the first inductance, and the 9th resistance is another
The other end of one end and the tenth resistance is battery voltage detection foot.
Wherein, peripheral circuit is additionally provided on the governor circuit, the peripheral circuit includes the tenth capacitance, the 11st electricity
Resistance, the 12nd resistance and the 13rd resistance, one end of the first resistor also with one end of the tenth capacitance, the 11st resistance one
End is connected with one end of the 13rd resistance, and the other end of the tenth capacitance is grounded, the other end of the 11st resistance and the
One end of 12 resistance is connected with level detection point, the other end ground connection of the 12nd resistance, and the 13rd resistance
The other end is charging detection foot.
Wherein, battery charger is equipped between the source electrode and battery of the metal-oxide-semiconductor, the battery charger includes electricity
Pond connecting seat, bi-directional voltage stabilizing diode, zener diode, the 11st capacitance, the 12nd capacitance, the 13rd capacitance, the 14th electricity
Appearance, the 14th resistance, the 15th resistance and the 16th resistance, the third end feet and the 4th end feet of the battery and battery connecting seat
After connection, the first end feet of the battery connecting seat and the connection of the second end feet with one end of the 14th resistance and the 15th resistance
One end connects, the other end connection cell switch of the 14th resistance, and the other end of the 15th resistance is hanging；It is described
The source electrode of metal-oxide-semiconductor and one end of bi-directional voltage stabilizing diode, one end of the 11st capacitance, one end of the 12nd capacitance, the 13rd electricity
One end of appearance, one end of the 14th capacitance, zener diode one end connected with the 5th end feet of battery connecting seat, it is described two-way
The other end of zener diode, the other end of the 11st capacitance, the other end of the 12nd capacitance, the 13rd capacitance the other end,
It is grounded, and the described tenth after one end connection of the other end of 14th capacitance, the other end of zener diode and the 16th resistance
The other end of six resistance is connect with the 6th end feet of battery connecting seat.
To achieve these goals, the present invention also provides a kind of switching on and shutting down charging method of belt path control, feature exists
In after being inserted into charger, judgement mobile phone is low battery open state or low battery off-mode；If mobile phone is switched on for low battery
State then performs booting charge step；If low battery off-mode, then shutdown charge step is performed；
It is described booting charge step be specially：
Step A1, the electric current of charger export after the input terminal input of governor circuit from switch controller；
Step A2, detection circuit detect governor circuit to be sent to governor circuit after high level；
Step A3, governor circuit control switch controller disconnect, and charger charges to battery and system power supply；
It is described shutdown charge step be specially：
Step B1, the electric current of charger export after the input terminal input of governor circuit from switch controller；
Step B2, detection circuit detect governor circuit to be sent to governor circuit after low level；
Step B3, governor circuit control switch controller conducting, and charger charges the battery.
Wherein, if mobile phone power-on does not charge, switch controller conducting, and battery is powered to system power supply；If mobile phone shutdown
It does not charge, governor circuit control switch controller disconnects, and battery stops powering to system power supply.
The beneficial effects of the invention are as follows：
Compared with prior art, the switching on and shutting down charging circuit and method of belt path of the invention control, by being arranged in mobile phone
Governor circuit control, detection circuit is sent to governor circuit after being detected to the level of governor circuit, battery is used for hand
Machine is powered or is powered to the system power supply of mobile phone, when mobile phone low battery, which is switched on, to charge, charger directly to battery and
System power supply charges so that mobile phone can be switched on after insertion charger in the case of low battery, cross without waiting for a long time；When
During the shutdown charging of mobile phone low battery, charger directly charges the battery；When mobile phone power-on does not charge, system electricity is given by battery
Source powers；When mobile phone shutdown does not charge, battery stop give system power supply power supply, avoid mobile phone in transport or storage mobile phone to
System power supply is powered, and prevents useless power consumption.The switching on and shutting down charging circuit and method of the belt path control of the present invention, to battery and hand
Machine system power supply power supply carry out path management so that mobile phone can quick charge, and charge application it is more flexible, more pacify
Entirely.
Description of the drawings
Fig. 1 is the circuit diagram of governor circuit in the switching on and shutting down charging circuit that belt path of the present invention controls；
Fig. 2 is the circuit diagram of switch controller in the switching on and shutting down charging circuit that belt path of the present invention controls；
Fig. 3 is the circuit diagram of detection circuit in the switching on and shutting down charging circuit that belt path of the present invention controls；
Fig. 4 is the circuit diagram of peripheral circuit in the switching on and shutting down charging circuit that belt path of the present invention controls；
Fig. 5 is the circuit diagram of battery charger in the switching on and shutting down charging circuit that belt path of the present invention controls；
Fig. 6 is the flow chart of booting charge step in the switching on and shutting down charging method that belt path of the present invention controls；
Fig. 7 is the flow chart of shutdown charge step in the switching on and shutting down charging method that belt path of the present invention controls.
Main element symbol description is as follows：
1st, governor circuit 2, detection circuit
3rd, peripheral circuit 4, battery charger
Specific embodiment
In order to more clearly state the present invention, the present invention is further described below in conjunction with the accompanying drawings.
Refering to Fig. 1-4, a kind of switching on and shutting down charging circuit of belt path control of the present invention, including the master control being arranged in mobile phone
Circuit 1, detection circuit 2, battery BAT and system power supply SYS, governor circuit 1 is interior to be equipped with switch controller BATFET, switch control
Device BATFET is electrically connected respectively with battery BAT and system power supply SYS, and detection circuit 2 is electrically connected with governor circuit 1, and detects electricity
Detect the voltage of governor circuit 1 in road 2；
After mobile phone is inserted into charger, if the booting charging of mobile phone low battery, the electric current of charger is inputted from the input terminal of governor circuit 1
It is exported afterwards from switch controller BATFET, detection circuit 2 detects governor circuit 1 to be sent to governor circuit 1 after high level, main
Controlling circuit 1 controls switch controller BATFET to disconnect, and charger charges to battery BAT and system power supply SYS；If the low electricity of mobile phone
Amount shutdown charging, the electric current of charger export after the input terminal input of governor circuit 1 from switch controller BATFET, detection electricity
Road 2 detects that governor circuit 1 controls switch controller BATFET to lead to be sent to governor circuit 1, governor circuit 1 after low level
It is logical, and charger charges to battery BAT；If mobile phone power-on does not charge, switch controller BATFET conductings, and battery BAT is
The power supply SYS that unites powers；If mobile phone shutdown does not charge, governor circuit 1 controls switch controller BATFET to disconnect, and battery BAT stops
Only power to system power supply SYS.The voltage of battery BAT is expressed as VBAT in circuit, and charger output voltage is expressed as VCHG.
Compared with prior art, the switching on and shutting down charging circuit of belt path of the invention control, by being arranged in mobile phone
Governor circuit 1 controls, and detection circuit 2 is sent to governor circuit 1 after being detected to the level of governor circuit 1, and battery BAT is used for
It powers to mobile phone or is powered to the system power supply SYS of mobile phone, when mobile phone low battery, which is switched on, to charge, charger is direct
It charging to battery BAT and system power supply SYS so that mobile phone can be switched on after insertion charger in the case of low battery, without
It waited for for a long time；When mobile phone low battery, which is shut down, to charge, charger charges directly to battery BAT；When mobile phone power-on does not charge
When, it is powered by battery BAT to system power supply SYS；When mobile phone shutdown does not charge, battery BAT stops supplying to system power supply SYS
Electricity avoids mobile phone mobile phone in transport or storage from powering to system power supply SYS, prevents useless power consumption.The belt path control of the present invention
The switching on and shutting down charging circuit of system carries out path management so that mobile phone can to the system power supply SYS power supplies of battery BAT and mobile phone
Quick charge, and application of charging is more flexible, safer.
In the present embodiment, governor circuit 1 include main control chip U1, first resistor R1, second resistance R2,3rd resistor R3,
4th resistance R4, the 5th resistance R5, the 6th resistance R6, the 7th resistance R7, the 8th resistance R8, the first inductance L1, the first capacitance C1,
Second capacitance C2, third capacitance C3, the 4th capacitance C4, the 5th capacitance C5, the 6th capacitance C6, the 7th capacitance C7, the 8th capacitance C8
With the 9th capacitance C9, charger is connect with one end of first resistor R1 and one end of the first capacitance C1, and first resistor R1's is another
End is connect with the 24th end feet of one end of the second capacitance C2, the first end feet of main control chip U1 and main control chip U1, and the
The other end of the other end of one capacitance C1 and the second capacitance C2 are grounded；The second end feet of main control chip U1 is with second resistance R2's
One end connects, and the 7th end feet of main control chip U1 is connect by 3rd resistor R3 with mobile phone CPU, and mistake occurs in main control chip U1
Or notice mobile phone CPU during charged state variation；The 9th end feet of main control chip U1 is grounded by the 4th resistance R4, main control chip U1
The tenth end feet be grounded by the 5th resistance R5, the 11st end feet of main control chip U1 and one end of the 6th resistance R6 and the 7th electricity
One end connection of resistance R7, the other end ground connection of the 6th resistance R6, and the other end of the 7th resistance R7 are another with second resistance R2's
End connection；The 13rd end feet of main control chip U1 is connect with the 14th end feet, the 14th end feet and the battery BAT of main control chip U1
It is connected with detection circuit 2, and the 14th end feet of main control chip U1 is grounded by third capacitance C3；The 15th of main control chip U1
It is connect after end feet and the connection of the 16th end feet with system power supply SYS and detection circuit 2, the 15th end feet of main control chip U1 passes through
4th capacitance C4 is grounded, and is grounded by the 5th capacitance C5, and is grounded by the 6th capacitance C6；The 17th end feet of main control chip U1
It is grounded after being connected with the 18th end feet；The 19th end feet of main control chip U1 and the 20th end feet, the first inductance L1 one end and
One end connection of 8th resistance R8, the other end of the first inductance L1 are connect with system power supply SYS and detection circuit 2, main control chip
The 21st end feet of U1 is connect by the 7th capacitance C7 with the other end of the 8th resistance R8；The 22nd end of main control chip U1
Foot is connect with the other end of second resistance R2 and one end of the 9th capacitance C9, and the other end ground connection of the 9th capacitance C9；Master control core
The 23rd end feet of piece U1 is grounded by the 8th capacitance C8, and the 25th end feet ground connection of main control chip U1.
The third end feet of main control chip U1, the 4th end feet and the 12nd end feet are hanging, the 5th end feet of main control chip U1
It is communication bus with the 6th end feet, and the 9th end feet of main control chip U1 is also associated with enabled foot.
Referring to Fig. 2, switch controller BATFET is arranged in main control chip U1, switch controller BATFET is metal-oxide-semiconductor
The 16th end feet, the 15th end feet and the 14th end feet of Q4, main control chip U1 pass through Strobe Controller Gate Control
It is connect with the grid of metal-oxide-semiconductor Q4, the first output terminal of Strobe Controller Gate Control and the drain electrode of metal-oxide-semiconductor Q4 and system electricity
Source SYS connections, the second output terminal of Strobe Controller Gate Control are connect with the source electrode of metal-oxide-semiconductor Q4 and battery BAT, MOS
The drain electrode of pipe Q4 is connect with system power supply SYS, and the source electrode of metal-oxide-semiconductor Q4 is connect with battery BAT.
It please refers to Fig.1 and Fig. 3, detection circuit 2 includes the 9th resistance R9 and the tenth resistance R10, one end of the 9th resistance R9
It is connect with the 14th end feet of main control chip U1, one end of the tenth resistance R10 is connect with the other end of the first inductance L1, and the 9th
The other end of the other end of resistance R9 and the tenth resistance R10 are battery BAT voltage detecting feet.The other end electricity of 9th resistance R9
Pressure detection foot is ISENSE, and another terminal voltage detecting foot of the tenth resistance R10 is BATSNS.
It please refers to Fig.1 and Fig. 4, is additionally provided with peripheral circuit 3 on governor circuit 1, peripheral circuit 3 includes the tenth capacitance C10, the
11 resistance R11, the 12nd resistance R12 and the 13rd resistance R13, one end of first resistor R1 also with the tenth capacitance C10 one
End, the 11st resistance R11 one end connect with one end of the 13rd resistance R13, the other end of the tenth capacitance C10 is grounded, the tenth
The other end of one resistance R11 is connect with one end of the 12nd resistance R12 and level detection point VCDT, and the 12nd resistance R12's is another
One end is grounded, and the other end of the 13rd resistance R13 is charging detection foot CHR_LDO.
When detecting that level detection point VCDT draws high, charger can charge to battery BAT and system power supply SYS automatically, make
So as to the normal work that can charge, battery BAT voltages are detected according to BATSNS and ISENSE by charging correlation LDO inside energy, according to
The size of battery BAT voltages determines trickle charge, constant-current charge or constant-voltage charge.When different situations occurs, to VBAT_
Different register values is written in REG and ICHG_REG, to control the break-make of switching circuit BATFET, and then realize system power supply
SYS and battery BAT voltages divide diameter management and control.
In the present embodiment, battery charger 4, battery charger 4 are equipped between the source electrode of metal-oxide-semiconductor Q4 and battery BAT
Including battery connecting seat J1, bi-directional voltage stabilizing diode T1, zener diode T2, the 11st capacitance C11, the 12nd capacitance C12,
13 capacitance C13, the 14th capacitance C14, the 14th resistance R14, the 15th resistance R15 and the 16th resistance R16, battery BAT
It is connect with the third end feet of battery connecting seat J1 and the 4th end feet, after the first end feet of battery connecting seat J1 is connected with the second end feet
It is connect with one end of the 14th resistance R14 and one end of the 15th resistance R15, the other end connection battery of the 14th resistance R14
BAT is switched, and the other end of the 15th resistance R15 is hanging；The source electrode of metal-oxide-semiconductor Q4 and one end of bi-directional voltage stabilizing diode T1, the tenth
One end of one capacitance C11, one end of the 12nd capacitance C12, one end of the 13rd capacitance C13, the 14th capacitance C14 one end,
One end of zener diode T2 is connected with the 5th end feet of battery connecting seat J1, the other end of bi-directional voltage stabilizing diode T1, the tenth
The other end of one capacitance C11, the other end of the 12nd capacitance C12, the other end of the 13rd capacitance C13, the 14th capacitance C14
It is grounded after one end connection of the other end, the other end of zener diode T2 and the 16th resistance R16, and the 16th resistance R16
The other end is connect with the 6th end feet of battery connecting seat J1.
To achieve these goals, the present invention also provides a kind of switching on and shutting down charging method of belt path control, feature exists
In after being inserted into charger, judgement mobile phone is low battery open state or low battery off-mode；If mobile phone is switched on for low battery
State then performs booting charge step；If low battery off-mode, then shutdown charge step is performed；
Booting charge step be specially：
Step SA1, the electric current of charger export after the input terminal input of governor circuit from switch controller；
Step SA2, detection circuit detect governor circuit to be sent to governor circuit after high level；
Step SA3, governor circuit control switch controller disconnect, and charger charges to battery and system power supply；
Shutdown charge step be specially：
Step SB1, the electric current of charger export after the input terminal input of governor circuit from switch controller；
Step SB2, detection circuit detect governor circuit to be sent to governor circuit after low level；
Step SB3, governor circuit control switch controller conducting, and charger charges the battery.
In the present embodiment, if mobile phone power-on does not charge, switch controller conducting, and battery is powered to system power supply；If hand
Organ's machine does not charge, and governor circuit control switch controller disconnects, and battery stops powering to system power supply.
Advantage of the invention is that：
Compared with prior art, the switching on and shutting down charging method of belt path of the invention control, passes through the master control being arranged in mobile phone
Circuit controls, and detection circuit is sent to governor circuit after being detected to the level of governor circuit, and battery is used to power to mobile phone,
Or be powered to the system power supply of mobile phone, when mobile phone low battery, which is switched on, to charge, charger is directly to battery and system electricity
It charges in source so that mobile phone can be switched on after insertion charger in the case of low battery, cross without waiting for a long time；When mobile phone is low
During electricity shutdown charging, charger directly charges the battery；When mobile phone power-on does not charge, supplied by battery to system power supply
Electricity；When mobile phone shutdown does not charge, battery stop give system power supply power supply, avoid mobile phone in transport or storage mobile phone to system
Power supply is powered, and prevents useless power consumption.The switching on and shutting down charging method of the belt path control of the present invention, to the system electricity of battery and mobile phone
Source power supply carry out path management so that mobile phone can quick charge, and charge application it is more flexible, safer.
Disclosed above is only several specific embodiments of the present invention, but the present invention is not limited to this, any ability
What the technical staff in domain can think variation should all fall into protection scope of the present invention.
Claims (8)
1. a kind of switching on and shutting down charging circuit of belt path control, which is characterized in that including be arranged in mobile phone governor circuit, inspection
Slowdown monitoring circuit, battery and system power supply, are equipped with switch controller in the governor circuit, the switch controller respectively with battery and
System power supply is electrically connected, and the detection circuit is electrically connected with governor circuit, and the voltage of detection circuit detection governor circuit；
After mobile phone is inserted into charger, if the booting charging of mobile phone low battery, the electric current of charger is inputted from the input terminal of governor circuit
It is exported afterwards from switch controller, detection circuit detects governor circuit to be sent to governor circuit, governor circuit control after high level
Switch controller processed disconnects, and charger charges to battery and system power supply；If the shutdown charging of mobile phone low battery, the electricity of charger
It flows and is exported after the input terminal input of governor circuit from switch controller, detection circuit detects governor circuit to be sent out after low level
Governor circuit, governor circuit control switch controller conducting are given, and charger charges the battery；If mobile phone power-on does not charge,
Switch controller is connected, and battery is powered to system power supply；If mobile phone shutdown does not charge, governor circuit control switch controller breaks
It opens, and battery stops powering to system power supply.
2. the switching on and shutting down charging circuit of belt path control according to claim 1, which is characterized in that the governor circuit packet
Include main control chip, first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance,
Eight resistance, the first inductance, the first capacitance, the second capacitance, third capacitance, the 4th capacitance, the 5th capacitance, the 6th capacitance, the 7th electricity
Appearance, the 8th capacitance and the 9th capacitance, one end connection of one end and the first capacitance of the charger and first resistor, described first
The other end of resistance is connect with the 24th end feet of one end of the second capacitance, the first end feet of main control chip and main control chip,
And the other end of first capacitance and the other end of the second capacitance are grounded；Second end feet of the main control chip and the second electricity
One end connection of resistance, the 7th end feet of the main control chip is connect by 3rd resistor with mobile phone CPU, and the main control chip goes out
Notice mobile phone CPU when existing mistake or charged state change；9th end feet of the main control chip is described by the 4th resistance eutral grounding
Tenth end feet of main control chip by the 5th resistance eutral grounding, the 11st end feet of the main control chip and one end of the 6th resistance and
One end connection of 7th resistance, the other end ground connection of the 6th resistance, and the other end and second resistance of the 7th resistance
The other end connection；13rd end feet of the main control chip is connect with the 14th end feet, the 14th end of the main control chip
Foot is connect with battery and detection circuit, and the 14th end feet of the main control chip passes through third capacity earth；The master control core
It is connect after 15th end feet of piece and the connection of the 16th end feet with system power supply and detection circuit, the 15th of the main control chip the
End feet by the 5th capacity earth, and passes through the 6th capacity earth by the 4th capacity earth；The 17th of the main control chip
End feet is grounded after being connected with the 18th end feet；The 19th end feet and the 20th end feet of the main control chip, the one of the first inductance
End is connected with one end of the 8th resistance, and the other end of first inductance is connect with system power supply and detection circuit, the master control
21st end feet of chip is connect by the 7th capacitance with the other end of the 8th resistance；22nd end of the main control chip
One end connection of the other end and the 9th capacitance of foot and second resistance, and the other end ground connection of the 9th capacitance；The master control
23rd end feet of chip is by the 8th capacity earth, and the 25th end feet of the main control chip is grounded.
3. the switching on and shutting down charging circuit of belt path control according to claim 2, which is characterized in that the switch controller
Be arranged in main control chip, the switch controller is metal-oxide-semiconductor, the 16th end feet of the main control chip, the 15th end feet and
14th end feet is connected by the grid of Strobe Controller and metal-oxide-semiconductor, the first output terminal and metal-oxide-semiconductor of the Strobe Controller
Drain electrode connected with system power supply, the second output terminal of the Strobe Controller and the source electrode of metal-oxide-semiconductor and battery connect, described
The drain electrode of metal-oxide-semiconductor is connect with system power supply, and the source electrode of the metal-oxide-semiconductor is connect with battery.
4. the switching on and shutting down charging circuit of belt path control according to claim 2, which is characterized in that the detection circuit packet
The 9th resistance and the tenth resistance are included, one end of the 9th resistance and the 14th end feet of main control chip connect, the tenth electricity
One end of resistance is connect with the other end of the first inductance, and the other end of the 9th resistance and the other end of the tenth resistance are electricity
Cell voltage detects foot.
5. the switching on and shutting down charging circuit of belt path control according to claim 2, which is characterized in that on the governor circuit
Peripheral circuit is additionally provided with, the peripheral circuit includes the tenth capacitance, the 11st resistance, the 12nd resistance and the 13rd resistance, institute
The one end for stating first resistor is also connect with one end, one end of the 11st resistance and one end of the 13rd resistance of the tenth capacitance, institute
The other end ground connection of the tenth capacitance is stated, the other end of the 11st resistance and one end of the 12nd resistance and level detection point connect
It connects, the other end ground connection of the 12nd resistance, and the other end of the 13rd resistance is charging detection foot.
6. the switching on and shutting down charging circuit of belt path control according to claim 3, which is characterized in that the source of the metal-oxide-semiconductor
It is equipped with battery charger between pole and battery, the battery charger includes battery connecting seat, bi-directional voltage stabilizing diode, steady
Press diode, the 11st capacitance, the 12nd capacitance, the 13rd capacitance, the 14th capacitance, the 14th resistance, the 15th resistance and
16th resistance, the battery are connect with the third end feet of battery connecting seat and the 4th end feet, and the first of the battery connecting seat
It is connect after end feet and the connection of the second end feet with one end of the 14th resistance and one end of the 15th resistance, the 14th resistance
The other end connects cell switch, and the other end of the 15th resistance is hanging；The source electrode of the metal-oxide-semiconductor and bi-directional voltage stabilizing diode
One end, one end of the 11st capacitance, one end of the 12nd capacitance, one end of the 13rd capacitance, the 14th capacitance one end, steady
One end of pressure diode is connected with the 5th end feet of battery connecting seat, the other end of the bi-directional voltage stabilizing diode, the 11st electricity
The other end of appearance, the other end of the 12nd capacitance, the other end of the 13rd capacitance, the other end of the 14th capacitance, two pole of voltage stabilizing
It is grounded after the connection of one end of the other end of pipe and the 16th resistance, and the other end of the 16th resistance and battery connecting seat
6th end feet connects.
7. a kind of switching on and shutting down charging method of belt path control, which is characterized in that after being inserted into charger, judgement mobile phone is low battery
Open state or low battery off-mode；If mobile phone is low battery open state, booting charge step is performed；If low electricity
Off-mode is measured, then performs shutdown charge step；
It is described booting charge step be specially：
Step A1, the electric current of charger export after the input terminal input of governor circuit from switch controller；
Step A2, detection circuit detect governor circuit to be sent to governor circuit after high level；
Step A3, governor circuit control switch controller disconnect, and charger charges to battery and system power supply；
It is described shutdown charge step be specially：
Step B1, the electric current of charger export after the input terminal input of governor circuit from switch controller；
Step B2, detection circuit detect governor circuit to be sent to governor circuit after low level；
Step B3, governor circuit control switch controller conducting, and charger charges the battery.
8. the switched charge method of belt path according to claim 7, which is characterized in that if mobile phone power-on does not charge, open
Controller conducting is closed, and battery is powered to system power supply；If mobile phone shutdown does not charge, governor circuit control switch controller breaks
It opens, and battery stops powering to system power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611229205.2A CN108242827A (en) | 2016-12-27 | 2016-12-27 | The switching on and shutting down charging circuit and method of belt path control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611229205.2A CN108242827A (en) | 2016-12-27 | 2016-12-27 | The switching on and shutting down charging circuit and method of belt path control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108242827A true CN108242827A (en) | 2018-07-03 |
Family
ID=62702927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611229205.2A Withdrawn CN108242827A (en) | 2016-12-27 | 2016-12-27 | The switching on and shutting down charging circuit and method of belt path control |
Country Status (1)
| Country | Link |
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| CN (1) | CN108242827A (en) |
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| CN102545276A (en) * | 2010-12-08 | 2012-07-04 | 深圳富泰宏精密工业有限公司 | Charging circuit |
| CN105375557A (en) * | 2015-05-26 | 2016-03-02 | 深圳天珑无线科技有限公司 | Electronic equipment and charging circuit and method thereof |
| CN205753551U (en) * | 2016-06-23 | 2016-11-30 | 广州极飞科技有限公司 | Battery and battery core control circuit thereof and aircraft |
| CN205960718U (en) * | 2016-08-17 | 2017-02-15 | 北京拓盛智联技术有限公司 | Battery protection circuit |
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| CN101651359A (en) * | 2009-09-10 | 2010-02-17 | 惠州Tcl移动通信有限公司 | Power supply unit and power supply switching method of mobile terminal |
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