CN105656162B - Quick charging system and method based on USB PD agreements - Google Patents
Quick charging system and method based on USB PD agreements Download PDFInfo
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- CN105656162B CN105656162B CN201610154772.XA CN201610154772A CN105656162B CN 105656162 B CN105656162 B CN 105656162B CN 201610154772 A CN201610154772 A CN 201610154772A CN 105656162 B CN105656162 B CN 105656162B
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- 238000007600 charging Methods 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000012545 processing Methods 0.000 claims abstract description 19
- 238000006243 chemical reaction Methods 0.000 claims abstract description 13
- 238000004891 communication Methods 0.000 claims abstract description 13
- 238000010277 constant-current charging Methods 0.000 claims abstract description 13
- 230000005611 electricity Effects 0.000 claims description 17
- 230000004044 response Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims 1
- 206010037660 Pyrexia Diseases 0.000 abstract 1
- 230000008569 process Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 108700025151 PD protocol Proteins 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
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- 230000005540 biological transmission Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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Classifications
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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
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
- H02J7/04—Regulation of charging current or voltage
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- H02J7/022—
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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
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00034—Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
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- Engineering & Computer Science (AREA)
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention discloses a kind of quick charging system and method based on USB PD agreements, which includes adapter and power device；Adapter includes first input port, the first output port and Transformer Rectifier filter regulator circuit, and Transformer Rectifier filter regulator circuit includes the first data processing chip based on USB PD agreements and with power device data communication；Power device includes the second input port, rechargeable battery and the charging control circuit that are connected with the first output port, and charging control circuit includes the second data processing chip, BUCK voltage conversion circuits and constant-current charging circuit based on USB PD agreements and communicated with data；First output port and the second input port are the USB port of Type C standards or Micro USB ports.The present invention directly adjusts adapter output voltage size by power device by USB PD agreements allows it to enter the constant current output operating mode of specified parameter, and charge efficiency is high, and reduces the power attenuation inside power device and fever.
Description
Technical field
The present invention relates to consumer electrical product charging technique fields, refer in particular to the quick charge based on USB PD agreements
System and method.
Background technology
The consumer electrical products such as mobile phone, MP3, MP4, tablet majority is all charged using the realization of Micro USB ports, but by
It is limited to traditional USB charging specifications, fills that output power is relatively small, the either 4.5W of 2.5W, USB 3.0 of USB 2.0, also
It is the 7.5W of USB BC 1.2, although the charging of the relatively small power device of the battery capacity that such as mobile phone, MP3 can be met
Demand, but still need to expend many times and battery could be full of.
And as the function of the consumer electrical products such as mobile phone, tablet computer is stronger and stronger, power consumption also increasingly increases,
And battery capacity is promoted limited, causes charge frequency higher and higher, for this purpose, how to realize the quick charge of electronic product into
Direction for all big enterprises' emphasis research and development.At present, more mature rapid nitriding includes the QC that Qualcomm proposes
（Quick Charge）Max Charge standards that standard and TI companies propose etc..But these technical standards are all with improve
Charging voltage is basic means, and the power attenuation brought there is voltage transformation is big, calorific value is big in electricity consumption product charging process
And the problems such as poor universality.
By taking mobile phone as an example, the problem of traditional mobile phone quick charge encounters, mainly has：Firstth, the electrochemistry of battery itself is special
Property does not allow.At present, the average cell capacity of mainstream mobile phone is in 2.5AH or so, according to setting for lithium ion battery with high energy density
Meter, charging current be no more than 2.5A, herein under the premise of, the fully charged time theory limiting value of mobile phone is 1 hour, is actually no less than
1.5 hour.Secondth, the interface of charge circuit and line impedance problems.The heat dissipation problem of third, interior of mobile phone.Traditional mobile phone
Charge inside control circuit is that external power supply is depressured by BUCK voltage conversion circuits, is then carried out to battery of mobile phone
Charging.Since the inductance in BUCK voltage conversion circuits and switch MOS can all consume energy, and then in the small space of mobile phone
Bring higher Wen Sheng in portion.
More than first the problem of be related to the development of battery material and technique in itself, progress is relatively slow, and causes many
Manufacturer improve charging rate more by charge control is improved.The QC standards that Qualcomm proposes, it is intended to pass through promotion
Voltage, high current problem can not be carried by reducing the method for electric current to break through Micro USB interfaces and connecting line, to obtain faster
Charging rate, in this respect, achieve certain effect really, and obtain the support of mainstream Android mobile phone, still, QC skills
Art standard still has the heat dissipation problem of interior of mobile phone DC-DC conversion circuits.
In addition, USB-IF（USB Implementers Forum, USB application persons forum）It is announced for the first time in July, 2012
USB Power Delivery（PD）1.0 protocol specifications set 5 kinds of power settings ranks（Profile 1~5）, highest can
Up to 100 watts of power transmission amount, moreover, feeder ear（Source）With power connection end（Sink）With can mutually to reversible electricity
Characteristic is supplied in source, so as to allow various power devices that can meet power demands, shortening device charging by a USB cable
Time and the convenience for optimizing mobile applications.USB PD protocol specifications also are able to existing USB 3.0/2.0, BC 1.2/1.1/
1.0 charging specifications are compatible with.USB PD protocol specifications have broad application prospects, still, how by technical specification commercialization but
It is current popularization USB PD protocol specification urgent problems.
Invention content
The technical problem to be solved in the present invention is, a kind of quick charging system based on USB PD agreements is provided, to carry
The charge efficiency of high power device, and reduce the calorific value of power attenuation and power device in charging.
Of the invention further technical problems to be solved are, provide a kind of quick charge side based on USB PD agreements
Method to improve the charge efficiency of power device, and reduces the calorific value of power attenuation and power device in charging.
In order to solve the above technical problems, the present invention provides following technical solution：A kind of quickly filling based on USB PD agreements
Electric system, the power device for being connected to adapter including adapter and by USB cable to be charged by adapter；
The adapter includes：
For the first input port being connected with electricity network；
For the first output port being connected with power device；And
The Transformer Rectifier filter regulator circuit being connected between first input port and the first output port, the change repoussage
Stream filter regulator circuit further includes based on USB PD agreements and carries out data communication and corresponding control change repoussage to power device
It flows the first data processing chip of filter regulator circuit working condition and is sequentially connected in series and exported in first input port and first
Voltage changing module, rectification module, filter module and Voltage stabilizing module between port, wherein, voltage changing module also with the first data processing
Chip is connected to adjust output voltage values according to the control instruction of the first data processing chip；
The power device includes：
The second input port being connected for the first output port with adapter；
Rechargeable battery；And
The charging control circuit being connected between the second input port and rechargeable battery, the charging control circuit include
It is based on USB PD agreements and to adapter carry out data communication control the second of charging control circuit working condition to count with corresponding
According to processing chip, BUCK voltage conversion circuits and constant-current charging circuit, second data processing chip according to adapter
The first data processing chip carry out the result of data communication to determine current charge mode and it is selected needed for it is corresponding use fill
The output voltage of circuit and corresponding adjustment adapter；
First output port and the second input port are USB port or Micro USB based on Type C standards
Port.
Further, the constant-current charging circuit is low-impedance overcurrent and overvoltage protection switch.
Further, the power device is any one in following consumer electrical product：Mobile phone, tablet computer,
MP4, MP3, mobile power, virtual reality headgear.
On the other hand, the present invention also provides a kind of fast charge method based on USB PD agreements, include the following steps：
Step S1 establishes TYPE-C connections：Adapter is established CC by the USB cable of TYPE-C standards with power device and is connected
It connects, adapter acquiescence exports 5V to power device, and power device enters traditional BUCK patterns progress low current and charges at a slow speed；
Step S2, initial p D communication configurations：After establishing CC connections, adapter also sends Source_cap numbers to power device
According to packet, charging voltage and electric current that power device adapter supported are informed, after power device receives Source_cap data packets,
A request data packet for including Mismatch flag bits is replied, at this point, the charging control circuit of power device is still maintained at
Traditional BUCK charge modes；
Step S3, into USB PD constant current fast charge patterns：Adapter is detecting the request data packets with Mismatch
Afterwards, a Get_sink_cap data packet is retransmited to power device, inquires the desired voltage and current of power device, electricity consumption
After device receives Get_sink_cap data packets, according to the current voltage of the rechargeable battery of power device and to charging current
It is required that a Sink_cap data packet is replied, and after adapter receives the Sink_cap data packets that power device sends over, weight
The Source_cap data packets of oneself are newly adjusted, release power device voltage and electricity required in Sink_cap data packets
Flow gear；After power device receives corresponding Source_cap data packets, it is the adapter for supporting PD fast charges to confirm other side, and please
The voltage and current for asking oneself just now required, adapter then export corresponding voltage value and enter constant-current charging phase；
Step S4, constant-voltage charge：After the current voltage of rechargeable battery reaches specified peak, from constant current charging mode
Constant-voltage charge pattern is switched to, rechargeable battery charge by BUCK voltage conversion circuits until being full of.
Further, in step S3, power device replies to the electricity asked in the first Sink_cap data packets of adapter
Pressure value is the current voltage value of rechargeable battery.
Further, in step S3, into after constant current fast charge pattern, power device detects that charging current is filled less than constant current
During electric setting range, the request data packets with Mismatch flag bits are sent, adapter receives this request data packet,
And Quick-return ps_ready data packets, after the completion of response, adapter sends get_sink_cap data packets, and power device then exists
In sink_cap data packets, a voltage value than last high scheduled stepping difference is placed, adapter is receiving sink_
After cap data packets, the content of source_cap data packets is adjusted according to the instruction of power device, and complete voltage promotion and
Thus output is gradually increased in charging current to the constant-current charge current range set.
Further, the content and nearest one of the request data packets for the band Mismatch flag bits that power device is sent
The content of secondary request data packets is only different in Mismatch flag bits, and other content is completely the same.
Further, scheduled stepping difference is 50mV.
Further, in step S3, power device is replied in the sink_cap data packets of adapter, required voltage
It is variable power supply data packet with electric current, and the operating current of constant-current charge is provided in the variable power supply data packet, adapter is received
To after the request of this type, into constant current mode, during subsequent constant-current charge, adapter automatic regulating voltage with
Maintain the constant current-supplying to power device.
Further, in step s3, power device also carries out rechargeable battery impedance-compensated, is filled with what is measured
The measurement voltage value of battery subtracts the internal resistance of rechargeable battery and the product of charging current, using the difference that finally obtains as can
The current voltage value of rechargeable battery.
After adopting the above technical scheme, the present invention at least has the advantages that：The present invention is based on USB-IF tissues are public
The USB PD agreements of cloth are developed, and combine the port of TYPE-C standards, in the power device constant-current charging of battery stage, power device
Charge inside control circuit does not carry out DC/DC transformation to the voltage of adapter output, but directly goes to adjust by USB PD agreements
The output voltage size of whole adapter allows it to enter the constant current output operating mode of specified parameter, so as to meet power device constant current
The size of charging current.So as in the case where increasing charging current, reduce power attenuation and hair inside power device
Heat allows faster charging to be possibly realized.
Description of the drawings
Fig. 1 is that the present invention is based on the functional block diagrams of the quick charging system of USB PD agreements.
Fig. 2 is that the present invention is based on the constant-current charge process schematics of the fast charge method of USB PD agreements.
Fig. 3 is that the present invention is based on the process signals that the USB PD of the fast charge method of USB PD agreements initialization is established
Figure.
Fig. 4 is that the present invention is based on the mistakes that the power device of the fast charge method of USB PD agreements actively initiates voltage up-regulation
Journey schematic diagram.
Fig. 5, which is that the present invention is based on the power device specific adaptors of the fast charge method of USB PD agreements, to enter constant current work
The process schematic of operation mode.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the application can phase
It mutually combines, the present invention is described in further detail in the following with reference to the drawings and specific embodiments.
As shown in Figure 1, the present invention provides a kind of quick charging system based on USB PD agreements, including adapter 1 and by
The power device 2 that adapter 1 is charged.
In the quick charging system based on USB PD agreements of the present invention, the adapter 1 is used as feeder ear, and electricity consumption
Device 2 is used as power connection end, and the two is realized by USB cable and connected.
The adapter 1 includes：
For the first input port 10 being connected with electricity network；
For the first output port 12 being connected with power device 2；And
The Transformer Rectifier filter regulator circuit 14 being connected between 10 and first output port 12 of first input port, it is described
Transformer Rectifier filter regulator circuit 14 further includes based on USB PD agreements and carries out data communication to power device 2 and corresponding control
It first data processing chip 140 of 14 working condition of Transformer Rectifier filter regulator circuit processed and is sequentially connected in series in first input end
Voltage changing module 142, rectification module 144, filter module 146 and Voltage stabilizing module 148 between 10 and first output port 12 of mouth,
In, voltage changing module 142 is also connected with the first data processing chip 140 with the control instruction according to the first data processing chip 140
Adjust output voltage values.
The power device 2 can be mobile phone, tablet computer, MP4, MP3, mobile power, virtual reality headgear（VR heads
Set）Etc. various consumer electrical products.Specifically, the power device 2 includes：
The second input port 20 being connected for the first output port 12 with adapter 1；
Rechargeable battery 22；And
The charging control circuit 24 being connected between the second input port 20 and rechargeable battery 22, the charge control electricity
Road 24 includes based on USB PD agreements and controls the work shape of charging control circuit 24 to the progress data communication of adapter 1 with corresponding
The second data processing chip 240, BUCK voltage conversion circuits 242 and the constant-current charging circuit 244 of state.Wherein, BUCK voltages
Translation circuit 242 can realize the constant-voltage charge and trickle charge to rechargeable battery 22, and the constant-current charging circuit 244 can be real
Now to the constant-current charge of rechargeable battery 22, it is preferable that the constant-current charging circuit 244 need a low-impedance overcurrent and
Overvoltage protection switch.Second data processing chip 240 is according to the first data processing chip 140 with adapter 1 into line number
According to the result of communication to determine current charge mode, so as to the selected required corresponding charging circuit used.
First output port, 12 and second input port 20 is being used for and adapter pair based on Type C standards
The USB port or Micro USB ports connect.Due to TYPE-C standards port allow maximum 5A electric currents, and currently such as with
The battery of the small consumers electronic product such as electric installation is typically all to charge under conditions of less than 1.5C, as a result, tradition USB ends
Interface and line impedance problems can be resolved well existing for mouth charging.
Quick charging system the present invention is based on USB PD agreements is communicated by adapter 1 and power device 2, is carried out true
The charge mode used is needed before settled, i.e.,：Trickle and constant-voltage charge pattern, constant current charging mode.In trickle and constant-voltage charge
Under pattern, charged by the BUCK voltage conversion circuits 242 inside power device 2 to rechargeable battery 22；And in constant current
Under charge mode, power device 2 does not convert the voltage inputted by adapter 1, but direct by USB PD agreements
The output voltage of adapter 1 is adjusted, so as to stablize the electric current to charge toward rechargeable battery 22.Especially pass through impedance-compensated place again
Reason can extend the time of constant-current charge to the maximum extent, shorten the time of constant-voltage charge, so as to farthest reduce
BUCK voltage conversion circuits 242 work the problem of power attenuation brought is big, calorific value is big, further to promote charging rate
Provide possibility.
With reference to shown in Fig. 2 ~ Fig. 5, the present invention also provides a kind of fast charge method based on USB PD agreements, including following
Step：
Step S1 establishes TYPE-C connections.Adapter 1 establishes CC with power device 2 by the USB cable of TYPE-C standards
Connection, the acquiescence of adapter 1 export 5V to power device 2, and power device 2 enters traditional BUCK patterns progress low current and fills at a slow speed
Electricity；
Step S2, initial p D communication configurations.After establishing CC connections, adapter 1 also sends Source_cap to power device 2
Data packet informs charging voltage and electric current that 2 adapter 1 of power device supported, such as 5V/5A, 9V3A, 12V2A, uses Denso
Put 2 receive Source_cap data packets after, reply a request data packet for including Mismatch flag bits, at this point, electricity consumption
The charging control circuit 24 of device 2 is still maintained at traditional BUCK charge modes, and charging current is typically maintained in below 2A；
Step S3, into USB PD constant current fast charge patterns.Adapter 1 is detecting the request data with Mismatch
Bao Hou retransmits a Get_sink_cap data packet to power device 2, inquires 2 desired voltage and current of power device,
After power device 2 receives Get_sink_cap data packets, according to the voltage of the rechargeable battery 22 of current power device 2 and to filling
The requirement of electric current replys a Sink_cap data packet, it is preferable that the voltage value asked in first Sink_cap data packets is
The current voltage value of rechargeable battery 22, in this way, the charging current after switching comes should be close to 0.Adapter 1 receives use
After the Sink_cap data packets that electric installation 2 sends over, the Source_cap data packets of oneself are readjusted, release electricity consumption
The voltage and current gear required in Sink_cap data packets of device 2.Power device 2 receives corresponding Source_cap numbers
After packet, the adapter that other side is support PD fast charges, and the voltage and current for asking oneself just now required are confirmed.Adapter 1
Then export corresponding voltage value.Then, the size of current range set according to constant-current charge strategy, from power device 2 to adaptation
Device 1 asks the raising or reduction of voltage, it is preferable that minimum step value is 50mV.Perform step（For promoting electric current）Such as
Under：When power device 2 detects that charging current is less than constant-current charge setting range, send with Mismatch flag bits
Request data packets, it is preferable that the content of this request data packet only exists with the content of the last time request data packets
Mismatch flag bits are different, and other content is completely the same.Adapter 1 can receive this request data packet with accept, and
Quick-return ps_ready data packets because the content of request does not change, do not need to be power supply switching, ps_ at all
Ready data packets can go back within 20ms with regard to response.After the completion of response, adapter 1 sends get_sink_cap data packets,
Power device 2 then in sink_cap data packets, places a voltage value than last high 50mv.Adapter 1 is receiving
After sink_cap data packets, the content of source_cap data packets is adjusted, and complete voltage according to the instruction of power device 2
It is promoted and exported.So as to increase in charging current to the constant-current charge current range set step by step.
Constant-current charge process determines the charging rate of power device, therefore, during constant-current charge, power device 2
Inside will carry out battery impedance-compensated, that is, subtract rechargeable battery with the measurement voltage value of the rechargeable battery 22 measured
22 internal resistance and the product of charging current, using the difference that finally obtains as the current voltage value of rechargeable battery 22.Pass through resistance
Anti- compensation can shorten the time of constant-voltage charge with the time of the extension constant-current charge of maximum possible.
Step S4, constant-voltage charge.After cell voltage after compensation reaches specified peak, just switch from constant-current charge
To constant-voltage charge, charged by BUCK voltage conversion circuits 242 to rechargeable battery 22, normally, the maximum of constant-voltage charge
Electric current is not more than 2A.
In yet another embodiment of the present invention, step S3 is adjusted, is specifically replied in power device
In the sink_cap data packets of adapter, required voltage and current is variable power supply data packet（Variable Supply
PDO）, and the operating current of constant-current charge is provided in the variable power supply data packet, after adapter receives the request of this type, into
Enter constant current mode, during subsequent constant-current charge, adapter automatic regulating voltage is to maintain the perseverance to power device
Stream power supply.
Power device 2 passes through the ceiling voltage in the variable power supply data packet in Sink Cap data packets（Maximum
Voltage）, minimum voltage（Minimum Voltage）And operating current（Operational Current）To specify constant current work
Make electric current and voltage change range.After adapter 1 receives data packet, into constant current mode, perseverance is provided for power device 2
Fixed charging current.So as to simplify the Charge Management loop of power device 2.
Can much degree the charging of battery is completed in constant current mode, be to weigh whether outstanding important of fast charge method
Index.Compared with traditional non-fast charge pattern, the present invention can provide the electric current of bigger, compared with QC fast charges, due to constant current
Journey does not use BUCK voltage conversion circuits, can reduce the heat dissipation pressure of loss and power device.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention are limited by appended claims and its equivalency range.
Claims (9)
1. a kind of quick charging system based on USB PD agreements, including adapter and by USB cable be connected to adapter with
The power device to be charged by adapter；It is characterized in that,
The adapter includes：
For the first input port being connected with electricity network；
For the first output port being connected with power device；And
The Transformer Rectifier filter regulator circuit being connected between first input port and the first output port, the Transformer Rectifier filter
Wave regulator circuit further includes based on USB PD agreements and carries out data communication and corresponding control Transformer Rectifier filter to power device
It first data processing chip of wave regulator circuit working condition and is sequentially connected in series in first input port and the first output port
Between voltage changing module, rectification module, filter module and Voltage stabilizing module, wherein, voltage changing module also with the first data processing chip
It is connected to adjust output voltage values according to the control instruction of the first data processing chip；
The power device includes：
The second input port being connected for the first output port with adapter；
Rechargeable battery；And
The charging control circuit being connected between the second input port and rechargeable battery, the charging control circuit include being based on
USB PD agreements and to adapter carry out data communication with corresponding the second data for controlling charging control circuit working condition at
Manage chip, BUCK voltage conversion circuits and constant-current charging circuit, second data processing chip is according to the with adapter
One data processing chip carries out the result of data communication to determine current charge mode and corresponds to the charging used electricity needed for selecting
Road and the output voltage of corresponding adjustment adapter；
First output port and the second input port are USB port or Micro USB ports based on Type C standards.
2. the quick charging system as described in claim 1 based on USB PD agreements, which is characterized in that the power device is
Any one in following consumer electrical product：Mobile phone, tablet computer, MP4, MP3, mobile power, virtual reality headgear.
3. a kind of quick charging system for as claimed in claim 1 or 2 based on USB PD agreements is assisted based on USB PD
The fast charge method of view, which is characterized in that include the following steps：
Step S1 establishes TYPE-C connections：Adapter is established CC by the USB cable of TYPE-C standards with power device and is connect,
Adapter acquiescence exports 5V to power device, and power device enters traditional BUCK patterns progress low current and charges at a slow speed；
Step S2, initial p D communication configurations：After establishing CC connections, adapter also sends Source_cap data to power device
Packet informs charging voltage and electric current that power device adapter supported, after power device receives Source_cap data packets, returns
A multiple request data packet for including Mismatch flag bits, at this point, the charging control circuit of power device is still maintained at biography
The BUCK charge modes of system；
Step S3, into USB PD constant current fast charge patterns：Adapter after the request data packets with Mismatch are detected,
A Get_sink_cap data packet is retransmited to power device, the desired voltage and current of power device is inquired, uses Denso
It puts after receiving Get_sink_cap data packets, is wanted according to the current voltage of the rechargeable battery of power device and to charging current
It asks, replys a Sink_cap data packet, after adapter receives the Sink_cap data packets that power device sends over, again
The Source_cap data packets of oneself are adjusted, release power device voltage and current required in Sink_cap data packets
Gear；After power device receives corresponding Source_cap data packets, it is the adapter for supporting PD fast charges to confirm other side, and is asked
Oneself just now required voltage and current, adapter then export corresponding voltage value and enter constant-current charging phase；
Step S4, constant-voltage charge：After the current voltage of rechargeable battery reaches specified peak, switch from constant current charging mode
To constant-voltage charge pattern, rechargeable battery charge by BUCK voltage conversion circuits until being full of.
4. the fast charge method as claimed in claim 3 based on USB PD agreements, which is characterized in that in step S3, electricity consumption
Device replies to the current voltage value that the voltage value asked in the first Sink_cap data packets of adapter is rechargeable battery.
5. the fast charge method as claimed in claim 3 based on USB PD agreements, which is characterized in that in step S3, enter
After constant current fast charge pattern, when power device detects that charging current is less than constant-current charge setting range, send band Mismatch and mark
The request data packets of will position, adapter receive this request data packet, and Quick-return ps_ready data packets, response
After the completion, adapter sends get_sink_cap data packets, and power device then in sink_cap data packets, places one than upper
The voltage value of primary high scheduled stepping difference, adapter is after sink_cap data packets are received, according to the instruction of power device
The content of source_cap data packets is adjusted, and complete the promotion and output of voltage, thus gradually increase charging current to setting
In fixed constant-current charge current range.
6. the fast charge method as claimed in claim 5 based on USB PD agreements, which is characterized in that power device was sent
The content of request data packets with Mismatch flag bits only exists with the content of the last time request data packets
Mismatch flag bits are different, and other content is completely the same.
7. the fast charge method as claimed in claim 5 based on USB PD agreements, which is characterized in that scheduled stepping difference
For 50mV.
8. the fast charge method as claimed in claim 3 based on USB PD agreements, which is characterized in that in step S3, electricity consumption
Device is replied in the sink_cap data packets of adapter, and required voltage and current is variable power supply data packet, and at this
The operating current of constant-current charge is provided in variable power supply data packet, after adapter receives the request of this type, into constant current operation
Pattern, during subsequent constant-current charge, adapter automatic regulating voltage is to maintain the constant current-supplying to power device.
9. the fast charge method as claimed in claim 3 based on USB PD agreements, which is characterized in that in step s3, use
Electric installation is also impedance-compensated to rechargeable battery progress, and chargeable electricity is subtracted with the measurement voltage value of the rechargeable battery measured
The internal resistance in pond and the product of charging current, using the difference that finally obtains as the current voltage value of rechargeable battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610154772.XA CN105656162B (en) | 2016-03-17 | 2016-03-17 | Quick charging system and method based on USB PD agreements |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104810873B (en) | 2014-01-28 | 2018-03-16 | 广东欧珀移动通信有限公司 | Electronic equipment battery charge controller and method |
| TWI595355B (en) | 2016-06-22 | 2017-08-11 | 台達電子工業股份有限公司 | Test device and method |
| CN107525980A (en) * | 2016-06-22 | 2017-12-29 | 台达电子工业股份有限公司 | Test device and method |
| CN106058979A (en) * | 2016-06-27 | 2016-10-26 | 深圳维普创新科技有限公司 | Charging method capable of stably realizing large-current charging based on TYPE-C interface |
| CN105977563A (en) * | 2016-06-28 | 2016-09-28 | 努比亚技术有限公司 | Charging method, charging equipment and terminal |
| CN106130114B (en) * | 2016-07-22 | 2019-03-26 | 圣邦微电子（北京）股份有限公司 | The lithium ion chargeable battery charging control circuit of complex optimum |
| WO2018032274A1 (en) * | 2016-08-15 | 2018-02-22 | 北京小米移动软件有限公司 | Electronic device, charger, charging system and charging method |
| US10318394B2 (en) * | 2016-08-26 | 2019-06-11 | Fairchild Semiconductor Corporation | USB TYPE-C to legacy USB cable detection |
| CN106571667A (en) * | 2016-10-27 | 2017-04-19 | 芯海科技（深圳）股份有限公司 | Adapter based on USB-PD and quick charging method |
| CN108063487A (en) * | 2016-11-07 | 2018-05-22 | 中兴通讯股份有限公司 | A kind of charger and charging method |
| CN108880006A (en) * | 2017-05-11 | 2018-11-23 | 深圳市乐得瑞科技有限公司 | Method for adjusting power supply voltage of wireless charging equipment and wireless charging transmitting and receiving device |
| CN107181302B (en) * | 2017-06-27 | 2020-10-02 | 芯海科技（深圳）股份有限公司 | Adapter device based on PD protocol and charging method |
| CN107508331B (en) * | 2017-07-11 | 2024-10-29 | 道县龙威盛科技有限公司 | Charging unit and charging device |
| US10680090B2 (en) | 2017-07-20 | 2020-06-09 | Delta Electronics, Inc. | Enclosed gate runner for eliminating miller turn-on |
| CN110366721B (en) * | 2017-09-30 | 2021-06-15 | 华为技术有限公司 | Electronic equipment with TypeCUSB interface, control method and storage medium |
| EP3706007B1 (en) * | 2017-10-31 | 2023-08-30 | Huawei Technologies Co., Ltd. | Electronic device having usb type-c interface, control method, and readable storage medium |
| CN107733033B (en) * | 2017-11-02 | 2023-10-27 | 芯海科技（深圳）股份有限公司 | PD protocol-based PPS mobile power supply system and control method |
| CN111201690A (en) * | 2017-12-11 | 2020-05-26 | 深圳市柔宇科技有限公司 | Charging control method, electronic device, power adapter and charging control system |
| US11150711B2 (en) | 2018-06-22 | 2021-10-19 | Western Digital Technologies, Inc. | Power adapter with protection circuitry |
| CN110838739B (en) * | 2018-08-17 | 2023-03-14 | 群光电能科技(苏州)有限公司 | Charging device and operation method thereof |
| WO2020061983A1 (en) * | 2018-09-28 | 2020-04-02 | 深圳市柔宇科技有限公司 | Charge control method and electronic device |
| CN109301903B (en) * | 2018-11-01 | 2024-09-17 | Oppo广东移动通信有限公司 | Charging control device, method, and computer storage medium |
| CN111475453A (en) * | 2019-01-23 | 2020-07-31 | 宏碁股份有限公司 | Universal serial bus extension device and error detection method thereof |
| CN111723034B (en) * | 2019-03-19 | 2022-07-12 | 华为技术有限公司 | Peripheral equipment |
| CN110380488A (en) * | 2019-08-08 | 2019-10-25 | 珠海英集芯半导体有限公司 | A kind of vehicle-mounted charge control circuit and method |
| CN110944076A (en) | 2019-12-30 | 2020-03-31 | 上海爻火微电子有限公司 | Electronic equipment and accessory with quick charging and audio transmission functions |
| CN113794252A (en) | 2020-10-29 | 2021-12-14 | 威锋电子股份有限公司 | Multi-port power supply device and operation method thereof |
| CN113794253B (en) | 2020-10-29 | 2024-08-23 | 威锋电子股份有限公司 | Multi-port power supply device and operation method thereof |
| TWI779777B (en) * | 2020-10-29 | 2022-10-01 | 威鋒電子股份有限公司 | Multi-port power supply device and operation method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9921627B2 (en) * | 2013-01-08 | 2018-03-20 | Semiconductor Components Industries, Llc | Control circuit for programmable power supply |
| US9356460B2 (en) * | 2013-08-05 | 2016-05-31 | Texas Instruments Incorporated | Method and apparatus of fast battery charging with universal high power input source |
| US9507398B2 (en) * | 2014-02-28 | 2016-11-29 | Infineon Technologies Austria Ag | Communication over identification line |
| CN104881391B (en) * | 2015-06-10 | 2017-09-19 | 赛尔康技术（深圳）有限公司 | A kind of identification circuit of USB Type C interface |
| CN105405602B (en) * | 2015-12-18 | 2016-12-14 | 东莞市奥海电源科技有限公司 | Reduce Type C portable charger and the transformator thereof of common mode disturbances |
| CN205595871U (en) * | 2016-03-17 | 2016-09-21 | 深圳市乐得瑞科技有限公司 | Quick charging system based on USBPD agreement |
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