CN109831105A - A kind of power supply adaptor implementation method that output voltage is adaptive and a kind of power supply adaptor - Google Patents
A kind of power supply adaptor implementation method that output voltage is adaptive and a kind of power supply adaptor Download PDFInfo
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- CN109831105A CN109831105A CN201910293125.0A CN201910293125A CN109831105A CN 109831105 A CN109831105 A CN 109831105A CN 201910293125 A CN201910293125 A CN 201910293125A CN 109831105 A CN109831105 A CN 109831105A
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Abstract
The invention discloses a kind of power supply adaptor implementation method that output voltage is adaptive and a kind of power supply adaptors, belong to computer application technology, intelligent IC module and power supply chip is arranged in this method, supply voltage and maximum current needed for obtaining equipment by intelligent IC module, the parsing for power information is completed, and generates corresponding voltage, current controling signal to power supply chip；Power supply chip receives the control signal that intelligent IC module issues, and generates the pwm signal of corresponding duty ratio to metal-oxide-semiconductor；Power supply adaptor completion as a result, automatically configures, DC voltage needed for output equipment.A kind of power supply adaptor, including power supply module, intelligent IC module, power supply chip, metal-oxide-semiconductor and rectification+filtering+Voltage stabilizing module.The present invention can export different supply voltages for the difference of power information according to electronic equipment storage by intelligent IC module and power supply chip, realize that the output voltage of power supply adaptor is adaptive.
Description
Technical field
The present invention relates to computer application technologies, especially specifically a kind of power adaptation that output voltage is adaptive
Device implementation method and a kind of power supply adaptor.
Background technique
Power supply adaptor is the supply voltage conversion equipment of small portable electronic device and electronic apparatus, its work is former
Reason is will to exchange input to be converted to direct current output, is common in the miniature electrics such as mobile phone, plate, liquid crystal display, laptop
On product.The abundant type for also enriching power supply adaptor of electronic product, by DC output voltage difference, it is common have 5V,
12V, 19V, 24V power supply adaptor, but these adapters are mostly function-specific, and appearance is convergent, easily mixed, difference output electricity
Press the mixed light then equipment work between adapter abnormal, heavy then equipment damage even will cause personnel's property loss.
Summary of the invention
Technical assignment of the invention be against the above deficiency place, a kind of power supply adaptor that output voltage is adaptive is provided
Implementation method and a kind of power supply adaptor, the difference that can be stored according to electronic equipment for power information export different supply voltages,
Realize that the output voltage of power supply adaptor is adaptive.
Intelligent IC module and power supply core is arranged in a kind of power supply adaptor implementation method that output voltage is adaptive, this method
Piece, supply voltage and maximum current needed for obtaining equipment by intelligent IC module complete the parsing for power information, and generate phase
The voltage answered, current controling signal are to power supply chip；Power supply chip receives the control signal that intelligent IC module issues, and generates corresponding
The pwm signal of duty ratio is to metal-oxide-semiconductor；Metal-oxide-semiconductor and power supply chip form reduction voltage circuit, realize voltage conversion；
Power supply adaptor completion as a result, automatically configures, DC voltage needed for output equipment.
The adaptive implementation method of power supply adaptor output voltage is realized based on intelligent IC and power supply chip.It is set by obtaining
Standby required supply voltage and maximum current, adapter completion automatically configure, and DC voltage needed for output equipment realizes electricity
The output voltage of source adapter is adaptive.
Power supply adaptor is mostly after AC power source rectification, filtering, via power supply chip (pulse width modulation control IC)
The conducting in turn for controlling metal-oxide-semiconductor, obtains the DC voltage of required volt value.The PWM of power supply chip output different duty, so that it may
Accordingly obtain the DC voltage of different volt values.Technical grade power supply chip on the market, mostly wide pressure input, wide pressure output, and as interior
It deposits, power supply chip used in CPU power supply circuit can control the pwm signal duty ratio exported by SVID, it is seen that pass through intelligence
IC controls the pwm signal of power supply chip output different duty, and it is feasible to obtain different volt value DC voltages.
Further, the specific implementation of this method is as follows:
1), equipped with the storage unit for storing its supply voltage, maximum current in electronic equipment, power supply adaptor passes through
I2C bus connects the storage unit, obtains the supply voltage and maximum current information and parses；
2) supply voltage that, power supply adaptor will acquire, maximum current are converted into corresponding PWM duty cycle and power supply phase
Number, and thus generate control signal and export to power supply chip；
3), power supply chip generates the pwm signal of corresponding duty ratio according to the control signal received, controls metal-oxide-semiconductor on-off,
It exports corresponding voltage and is supplied to electronic equipment.
Preferably, its supply voltage is stored in the electronic equipment, the storage unit of maximum current is EEPROM.EEPROM
It is the storage chip that data are not lost after power down for band Electrically Erasable Programmable Read-Only Memory.EEPROM can on computers or
Existing information is wiped on special equipment, is reprogramed.It can plug and play.
Further, power supply chip realizes single-phase or multinomial output according to the power supply number of phases in the control signal received,
To limit maximum output current, it is ensured that safety.
Preferably, in the implementation method, AC220V is rectified by rectification+filtering+Voltage stabilizing module, is filtered by power supply adaptor
DC voltage for higher volt value is supplied to metal-oxide-semiconductor, the input as BUCK circuit.
The invention also discloses a kind of power supply adaptor, including power supply module, intelligent IC module, power supply chip, metal-oxide-semiconductor and
Rectification+filtering+Voltage stabilizing module, wherein
Power supply module is used to realize power supply to the storage unit in intelligent IC, power supply chip and electronic equipment；
Intelligent IC module is used to read the supply voltage and maximum current data in electronic equipment storage unit, completes power supply
Information parsing, supply voltage, the maximum current that will acquire are converted into corresponding PWM duty cycle and the power supply number of phases, and thus give birth to
At corresponding voltage and current control signal to power supply chip；
Power supply chip is used to receive the control signal of intelligent IC sending, generates the pwm signal of corresponding duty ratio, and then control
The on-off of metal-oxide-semiconductor exports corresponding voltage and is supplied to electronic equipment；
Metal-oxide-semiconductor is recommended for forming, and cooperatively forms BUCK circuit with power supply chip, realizes voltage conversion；Metal-oxide-semiconductor is metal
(metal)-oxide (oxide)-semiconductor (semiconductor) field effect transistor, push-pull circuit are two not homopolarities
Property transistor between the output circuit that connects, push-pull circuit is using the identical power BJT pipe of two parameters or MOSFET pipe, to recommend
Mode is present in circuit, and the waveform of each responsible positive-negative half-cycle amplifies task, when circuit works, two symmetrical power switch tubes
Only one conducting every time, so conduction loss is small high-efficient.Push-pull output both can be to load sink current, can also be from load
Extract electric current；
The DC voltage that rectification+filtering+Voltage stabilizing module is used to that AC220V to be rectified, is filtered into higher volt value provides the MOS
Pipe, the input as BUCK circuit.
Specifically, the power supply module is 5V power supply module.
Preferably, the storage unit in the electronic equipment is EEPROM, and the confession of the electronic equipment is stored in EEPROM
Piezoelectric voltage and maximum current information.
Further, intelligent IC module connects the EEPROM by I2C bus.
Further, the power supply chip realizes single-phase or heterogeneous output simultaneously according to the power supply number of phases, limits maximum output
Electric current.
Electronic equipment stores the EEPROM of its supply voltage, maximum current equipped with one；The intelligent IC of power supply adaptor
Module reads EEPROM data in electronic equipment by I2C bus, completes for power information parsing, the supply voltage that will acquire,
Maximum current is converted into corresponding PWM duty cycle and the power supply number of phases, generates corresponding voltage, current controling signal gives power supply core
Piece；Power supply chip generates the pwm signal of corresponding duty ratio according to the control signal received, controls metal-oxide-semiconductor on-off, and output phase is answered
Voltage be supplied to electronic equipment, meanwhile, power supply chip realizes single-phase or multinomial output according to the power supply number of phases in control signal,
To limit maximum output current, it is ensured that safety.Thus power supply adaptor can be stored according to electronic equipment EEPROM for power information
Difference exports different supply voltages, and the output voltage for realizing power supply adaptor is adaptive.Wherein, metal-oxide-semiconductor composition is recommended, with
Power supply chip cooperatively forms BUCK circuit, realizes voltage conversion；Rectification+filtering+Voltage stabilizing module by AC220V rectify, be filtered into compared with
The DC voltage of high volt value provides the metal-oxide-semiconductor, the input as reduction voltage circuit.
A kind of adaptive power supply adaptor implementation method of output voltage of the invention and a kind of power supply adaptor, have with
Lower advantage:
The power supply adaptor is based on intelligent IC and power supply chip, passes through supply voltage needed for obtaining equipment and maximum electricity
Stream, power supply adaptor completion automatically configure, and DC voltage needed for output equipment realizes that output voltage is adaptive.It can be effective
Equipment damage and safety problem caused by using between traditional single-minded power supply adaptor difference output voltage adapter are avoided,
Suitable voltage and current is exported according to the power demands of equipment, equipment and easy to use is protected, is suitable for various equipment, simplifies
The use of power supply adaptor keeps power supply adaptor more intelligent, brings convenience for the use of electronic product.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Attached drawing 1 is the adaptive power supply adaptor realization principle block diagram of output voltage of the present invention；
Attached drawing 2 is the adaptive power supply adaptor implementation method flow chart of output voltage of the present invention.
Specific embodiment
Scheme in order to enable those skilled in the art to better understand the present invention, With reference to embodiment to this
Invention is described in further detail.Obviously, described embodiments are only a part of the embodiments of the present invention, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Intelligent IC module and power supply core is arranged in a kind of power supply adaptor implementation method that output voltage is adaptive, this method
Piece, supply voltage and maximum current needed for obtaining equipment by intelligent IC module complete the parsing for power information, and generate phase
The voltage answered, current controling signal are to power supply chip；Power supply chip receives the control signal that intelligent IC module issues, and generates corresponding
The pwm signal of duty ratio is to metal-oxide-semiconductor；Metal-oxide-semiconductor and power supply chip form reduction voltage circuit, realize voltage conversion；
Power supply adaptor completion as a result, automatically configures, DC voltage needed for output equipment.
The adaptive implementation method of power supply adaptor output voltage is realized based on intelligent IC and power supply chip.It is set by obtaining
Standby required supply voltage and maximum current, adapter completion automatically configure, and DC voltage needed for output equipment realizes electricity
The output voltage of source adapter is adaptive.
Power supply adaptor is mostly after AC power source rectification, filtering, via power supply chip (pulse width modulation control IC)
The conducting in turn for controlling metal-oxide-semiconductor, obtains the DC voltage of required volt value.The PWM of power supply chip output different duty, so that it may
Accordingly obtain the DC voltage of different volt values.Technical grade power supply chip on the market, mostly wide pressure input, wide pressure output, and as interior
It deposits, power supply chip used in CPU power supply circuit can control the pwm signal duty ratio exported by SVID, it is seen that pass through intelligence
IC controls the pwm signal of power supply chip output different duty, and it is feasible to obtain different volt value DC voltages.
The specific implementation of this method is as follows:
1), equipped with the storage unit for storing its supply voltage, maximum current in electronic equipment, power supply adaptor passes through
I2C bus connects the storage unit, obtains the supply voltage and maximum current information and parses；
2) supply voltage that, power supply adaptor will acquire, maximum current are converted into corresponding PWM duty cycle and power supply phase
Number, and thus generate control signal and export to power supply chip；
3), power supply chip generates the pwm signal of corresponding duty ratio according to the control signal received, controls metal-oxide-semiconductor on-off,
It exports corresponding voltage and is supplied to electronic equipment；Meanwhile power supply chip is according to the power supply number of phases in the control signal received, it is real
Existing single-phase or multinomial output, to limit maximum output current, it is ensured that safety.
Wherein, its supply voltage is stored in the electronic equipment, the storage unit of maximum current is EEPROM.EEPROM is
Band Electrically Erasable Programmable Read-Only Memory is the storage chip that data are not lost after power down.EEPROM can on computers or specially
With existing information is wiped in equipment, reprogram.It can plug and play.
In the implementation method, power supply adaptor by rectification+filtering+Voltage stabilizing module by AC220V rectification, be filtered into compared with
The DC voltage of high volt value is supplied to metal-oxide-semiconductor, the input as BUCK circuit.
A kind of power supply adaptor, including 5V power supply module, intelligent IC module, power supply chip, metal-oxide-semiconductor and rectification+filtering+steady
Die block.Wherein,
Power supply module is used to realize power supply, the electricity to the storage unit in intelligent IC, power supply chip and electronic equipment
Storage unit in sub- equipment is EEPROM, and the supply voltage and maximum current information of the electronic equipment are stored in EEPROM.
Intelligent IC module connects the EEPROM by I2C bus, for reading the power supply in electronic equipment storage unit
Voltage and maximum current data are completed to parse for power information, and supply voltage, the maximum current that will acquire are converted into accordingly
PWM duty cycle and the power supply number of phases, and corresponding voltage and current control signal is thus generated to power supply chip.
Power supply chip is used to receive the control signal of intelligent IC sending, generates the pwm signal of corresponding duty ratio, and then control
The on-off of metal-oxide-semiconductor exports corresponding voltage and is supplied to electronic equipment；Meanwhile the power supply chip is simultaneously according to the power supply number of phases, it is real
Existing single-phase or heterogeneous output, limits maximum output current, guarantees safety.
Metal-oxide-semiconductor is recommended for forming, and cooperatively forms BUCK circuit with power supply chip, realizes voltage conversion.Metal-oxide-semiconductor is metal
(metal)-oxide (oxide)-semiconductor (semiconductor) field effect transistor.Push-pull circuit is two not homopolarities
Property transistor between the output circuit that connects, push-pull circuit is using the identical power BJT pipe of two parameters or MOSFET pipe, to recommend
Mode is present in circuit, and the waveform of each responsible positive-negative half-cycle amplifies task, when circuit works, two symmetrical power switch tubes
Only one conducting every time, so conduction loss is small high-efficient.Push-pull output both can be to load sink current, can also be from load
Extract electric current.
The DC voltage that rectification+filtering+Voltage stabilizing module is used to that AC220V to be rectified, is filtered into higher volt value provides the MOS
Pipe, the input as BUCK circuit.
Electronic equipment stores the EEPROM of its supply voltage, maximum current equipped with one；The intelligent IC of power supply adaptor
Module reads EEPROM data in electronic equipment by I2C bus, completes for power information parsing, the supply voltage that will acquire,
Maximum current is converted into corresponding PWM duty cycle and the power supply number of phases, generates corresponding voltage, current controling signal gives power supply core
Piece；Power supply chip generates the pwm signal of corresponding duty ratio according to the control signal received, controls metal-oxide-semiconductor on-off, and output phase is answered
Voltage be supplied to electronic equipment, meanwhile, power supply chip realizes single-phase or multinomial output according to the power supply number of phases in control signal,
To limit maximum output current, it is ensured that safety.Thus power supply adaptor can be stored according to electronic equipment EEPROM for power information
Difference exports different supply voltages, and the output voltage for realizing power supply adaptor is adaptive.Wherein, metal-oxide-semiconductor composition is recommended, with
Power supply chip cooperatively forms BUCK circuit, realizes voltage conversion；Rectification+filtering+Voltage stabilizing module by AC220V rectify, be filtered into compared with
The DC voltage of high volt value provides the metal-oxide-semiconductor, the input as reduction voltage circuit.
Above-mentioned specific embodiment is only specific case of the invention, and scope of patent protection of the invention includes but is not limited to
Above-mentioned specific embodiment, any claims for meeting a kind of adaptive power supply adaptor of output voltage of the invention
And the appropriate change or replacement that the those of ordinary skill of any technical field does it, it should all fall into patent of the invention
Protection scope.
Claims (10)
1. a kind of power supply adaptor implementation method that output voltage is adaptive, it is characterised in that this method be arranged intelligent IC module and
Power supply chip, supply voltage and maximum current needed for obtaining equipment by intelligent IC module complete the parsing for power information, and
Corresponding voltage, current controling signal are generated to power supply chip；Power supply chip receives the control signal that intelligent IC module issues, raw
At the pwm signal of corresponding duty ratio to metal-oxide-semiconductor；
Power supply adaptor completion as a result, automatically configures, DC voltage needed for output equipment.
2. a kind of adaptive power supply adaptor implementation method of output voltage according to claim 1, it is characterised in that should
The specific implementation of method is as follows:
1), equipped with the storage unit for storing its supply voltage, maximum current in electronic equipment, power supply adaptor is total by I2C
Line connects the storage unit, obtains the voltage and current information and parses；
2) supply voltage that, power supply adaptor will acquire, maximum current are converted into corresponding PWM duty cycle and the power supply number of phases,
And it thus generates control signal and exports to power supply chip；
3), power supply chip generates the pwm signal of corresponding duty ratio according to the control signal received, controls metal-oxide-semiconductor on-off, output
Corresponding voltage is supplied to electronic equipment.
3. a kind of adaptive power supply adaptor implementation method of output voltage according to claim 2, it is characterised in that institute
It states and stores its supply voltage in electronic equipment, the storage unit of maximum current is EEPROM.
4. a kind of adaptive power supply adaptor implementation method of output voltage according to claim 2, it is characterised in that electricity
Source chip realizes single-phase or multinomial output according to the power supply number of phases in control signal, to limit maximum output current.
5. a kind of adaptive power supply adaptor implementation method of output voltage according to claim 1, it is characterised in that logical
The DC voltage that AC220V was rectified, was filtered into higher volt value by over commutation+filtering+Voltage stabilizing module is supplied to metal-oxide-semiconductor, as BUCK
The input of circuit.
6. a kind of power supply adaptor, it is characterised in that including power supply module, intelligent IC module, power supply chip, metal-oxide-semiconductor and rectification+
Filtering+Voltage stabilizing module,
Power supply module is used to realize power supply to the storage unit in intelligent IC, power supply chip and electronic equipment；
Intelligent IC module is used to read the supply voltage and maximum current data in electronic equipment storage unit, completes for power information
Parsing generates corresponding voltage and current control signal to power supply chip；
Power supply chip is used to receive the control signal of intelligent IC sending, generates the pwm signal of corresponding duty ratio；
Metal-oxide-semiconductor is used to cooperatively form BUCK circuit with power supply chip, realizes voltage conversion；
The DC voltage that rectification+filtering+Voltage stabilizing module is used to that AC220V to be rectified, is filtered into higher volt value provides the metal-oxide-semiconductor, makees
For the input of BUCK circuit.
7. a kind of power supply adaptor according to claim 6, it is characterised in that the power supply module is 5V power supply.
8. a kind of power supply adaptor according to claim 6, it is characterised in that the storage unit in the electronic equipment is
EEPROM is stored with the supply voltage and maximum current information of the electronic equipment.
9. a kind of power supply adaptor according to claim 8, it is characterised in that intelligent IC module connects institute by I2C bus
State EEPROM.
10. a kind of power supply adaptor according to claim 6, it is characterised in that the power supply chip is simultaneously according to power supply phase
Number realizes single-phase or heterogeneous output, limits maximum output current.
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| CN201910293125.0A CN109831105A (en) | 2019-04-12 | 2019-04-12 | A kind of power supply adaptor implementation method that output voltage is adaptive and a kind of power supply adaptor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111224444A (en) * | 2020-02-13 | 2020-06-02 | 四川长虹电器股份有限公司 | Method and system for applying intelligent power adapter |
| CN111522382A (en) * | 2020-04-30 | 2020-08-11 | 深圳市十盏灯科技有限责任公司 | Live broadcast sound card voltage output control method and structure thereof |
| CN111564735A (en) * | 2020-05-19 | 2020-08-21 | 浙江巨磁智能技术有限公司 | Fast self-adaptive socket |
| RU209673U1 (en) * | 2021-05-31 | 2022-03-18 | Никита Олегович Студенков | The design of the power supply with digital control |
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| CN102611174A (en) * | 2012-03-08 | 2012-07-25 | 航天科工深圳（集团）有限公司 | Intelligent power management system and realizing method thereof |
| CN106253394A (en) * | 2016-08-22 | 2016-12-21 | 青岛海信移动通信技术股份有限公司 | Charger |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102611174A (en) * | 2012-03-08 | 2012-07-25 | 航天科工深圳（集团）有限公司 | Intelligent power management system and realizing method thereof |
| CN106253394A (en) * | 2016-08-22 | 2016-12-21 | 青岛海信移动通信技术股份有限公司 | Charger |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111224444A (en) * | 2020-02-13 | 2020-06-02 | 四川长虹电器股份有限公司 | Method and system for applying intelligent power adapter |
| CN111522382A (en) * | 2020-04-30 | 2020-08-11 | 深圳市十盏灯科技有限责任公司 | Live broadcast sound card voltage output control method and structure thereof |
| CN111564735A (en) * | 2020-05-19 | 2020-08-21 | 浙江巨磁智能技术有限公司 | Fast self-adaptive socket |
| RU209673U1 (en) * | 2021-05-31 | 2022-03-18 | Никита Олегович Студенков | The design of the power supply with digital control |
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