CN110534988A - Type A-Type C cable and its cable chip - Google Patents
Type A-Type C cable and its cable chip Download PDFInfo
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- CN110534988A CN110534988A CN201910914296.0A CN201910914296A CN110534988A CN 110534988 A CN110534988 A CN 110534988A CN 201910914296 A CN201910914296 A CN 201910914296A CN 110534988 A CN110534988 A CN 110534988A
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- 238000006243 chemical reaction Methods 0.000 claims description 17
- 238000004891 communication Methods 0.000 description 17
- 238000007600 charging Methods 0.000 description 15
- 238000000034 method Methods 0.000 description 8
- 230000005611 electricity Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 230000003247 decreasing effect Effects 0.000 description 3
- 238000002372 labelling Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/6608—Structural association with built-in electrical component with built-in single component
- H01R13/6616—Structural association with built-in electrical component with built-in single component with resistor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/70—Structural association with built-in electrical component with built-in switch
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R29/00—Coupling parts for selective co-operation with a counterpart in different ways to establish different circuits, e.g. for voltage selection, for series-parallel selection, programmable connectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
- H01R31/065—Intermediate parts for linking two coupling parts, e.g. adapter with built-in electric apparatus
Abstract
The present invention provides a kind of Type A-Type C cable and its cable chip, the cable chip includes processing module, the first pull-up resistor, first switch device, chip CC1 foot and chip VBUS foot；CC line described in the chip CC1 foot external connection, the chip VBUS foot connect the A VBUS foot, and the chip CC1 foot connects the processing module；The processing module can be powered by the chip VBUS foot, first pull-up resistor connect the chip VBUS foot with the first end after the first switch devices in series, second end connects the chip CC1 foot, and the first switch device is controlled by the processing module.The circuit structure of the Type A-Type C cable of the circuit structure and USB PD quick charge of the compatible realization standard Type A-Type C cable of the present invention.
Description
Technical field
The present invention relates to cable field more particularly to a kind of Type A-Type C cables and its cable chip.
Background technique
USB PD, specifically: USB Power Delivery can be regarded as power transmission protocol.It is by USB-IF
A kind of quick charge specification organized to set up, and then can support the quick charge of higher-wattage.
For the consideration (such as cost and with the compatibility of old product) of multiplicity, existing charging equipment is still adopted mostly
With Type A base, in turn, the equipment of Type C interface from the cable with different connectors, the cable can be used between charging equipment
One end use Type A male connector, the other end use Type C male connector, thus, also be understood as a kind of Type A-Type C
Cable.
It is existing in the related technology, partially for realize USB PD fast charge Type A-Type C cable in, Type C male connector
It can be connected by CC line between CC foot and the CC foot of Type A male connector, which can be with electronic tag circuit connection；The non-use in another part
In the Type A-Type C cable for realizing USB PD, (such as common standard Type A-Type C cable) is then not required to make
With CC line, corresponding CC foot need to be processed separately.As it can be seen that cannot be considered in terms of the cable construction for realizing USB PD fast charge in existing cable
It is constructed with the cable of standard cable.
Summary of the invention
The present invention provides a kind of Type A-Type C cable and its cable chip, realizes USB PD to solve cannot be considered in terms of
The problem of cable construction and the cable of standard cable of fast charge construct.
According to the first aspect of the invention, a kind of cable chip of Type A-Type C cable, the Type are provided
Be equipped with Type A male connector and Type C male connector and CC line in A-Type C cable, the Type A male connector have A CC feet and
A VBUS feet, the Type C male connector have C CC feet and C VBUS feet；The CC line connects the A CC foot and the C
Head CC foot, for accessing supply voltage, the A VBUS foot is connect the A VBUS foot with the C VBUS foot；
The cable chip includes processing module, the first pull-up resistor, first switch device, chip CC1 foot and chip
VBUS foot；CC line described in the chip CC1 foot external connection, the chip VBUS foot connect the A VBUS foot, the chip
CC1 foot connects the processing module；The processing module can be powered by the chip VBUS foot；
First pull-up resistor connect the chip VBUS foot with the first end after the first switch devices in series, the
Two ends connect the chip CC1 foot, and the first switch device is controlled by the processing module.
Optionally, the processing module includes single line and electronic tag digital units and level conversion unit；The chip
CC1 foot connects the input and output foot of the single line and electronic tag digital units；
The single line and electronic tag digital units connect the first switch device by the level conversion unit, with
Control the on-off of the first switch device.
Optionally, the power supply foot of the single line and electronic tag digital units connects chip VBUS foot by pressure unit.
Optionally, the first switch device is configured as default in the conductive state.
Optionally, the first switch device includes the first PMOS, and the grid of the first PMOS connects the processing mould
Block, and the grid of the first PMOS is grounded through pull down resistor, the source electrode of the first PMOS is connected to the chip VBUS foot,
The drain electrode of first PMOS is connected to the chip CC1 foot through first pull-up resistor.
Optionally, the cable chip further includes second switch device and the second pull-up resistor, and the cable chip is also
Including chip CC2 foot, the chip CC2 foot connects the C head VCONN foot in the Type C male connector；
First end after the second switch device is connected with second pull-up resistor connect the chip VBUS foot, the
Two ends connect the chip CC2 foot, and the second switch device is controlled by the processing module.
Optionally, the chip CC2 foot is additionally coupled to the processing module.
Optionally, the second switch device is configured as default be in an off state.
Optionally, the second switch device includes the 2nd PMOS, and the grid of the 2nd PMOS connects the processing mould
Block, the source electrode of the 2nd PMOS are connected to the chip VBUS foot, and the drain electrode of the 2nd PMOS is through the second pull-up electricity
Resistance is connected to the C VCONN foot, is connected with third pull-up resistor between the grid and source electrode of the 2nd PMOS.
According to the second aspect of the invention, a kind of Type A-Type C cable is provided, including first aspect and its optional
The cable chip that scheme is related to.
Type A-Type C cable and its cable chip provided by the invention, by first pull-up resistor with it is described
First end after first switch devices in series connects the chip VBUS foot, and second end connects the chip CC1 foot, can pass through
The conducting of first switch device enables chip CC1 foot to be suspended to chip VBUS through the first pull-up resistor, can meet chip
CC1 foot is not used for demand when USB PD quick charge, and then the compatible realization standard Type A-Type C cable of the present invention
Circuit structure；Meanwhile also processing module can be enabled to pass through chip CC1 foot and company, institute by the shutdown of first switch device
The electronic equipment connect interactively communicates, and is interactively communicated based on this, such as can realize the function of electronic tag and single line communication, Jin Erben
Invent the circuit structure of the compatible Type A-Type C cable for realizing USB PD quick charge.
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
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is the organigram one of the cable chip of Type A-Type C cable in one embodiment of the invention；
Fig. 2 is the organigram two of the cable chip of Type A-Type C cable in one embodiment of the invention；
Fig. 3 is the organigram three of the cable chip of Type A-Type C cable in one embodiment of the invention；
Fig. 4 is the organigram four of the cable chip of Type A-Type C cable in one embodiment of the invention；
Fig. 5 is the organigram five of the cable chip of Type A-Type C cable in one embodiment of the invention；
Fig. 6 is the organigram six of the cable chip of Type A-Type C cable in one embodiment of the invention.
Description of symbols:
1-Type A male connector；
11-A CC feet；
12-A VBUS feet；
2-Type C male connector；
21-C CC feet；
22-C VBUS feet；
23-C VCONN feet；
3- cable chip；
31- chip CC1 foot；
The first pull-up resistor of 32-；
33- processing module；
331- single line and electronic tag digital units；
332- level conversion unit；
333- pressure unit；
34- first switch device；
35- second switch device；
36- chip CC2 foot；
The second pull-up resistor of 37-；
38- input buffer；
4-CC line.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Description and claims of this specification and term " first ", " second ", " third " " in above-mentioned attached drawing
The (if present)s such as four " are to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should manage
The data that solution uses in this way are interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to
Here the sequence other than those of diagram or description is implemented.In addition, term " includes " and " having " and their any deformation,
Be intended to cover it is non-exclusive include, for example, containing the process, method of a series of steps or units, system, product or setting
It is standby those of to be not necessarily limited to be clearly listed step or unit, but may include be not clearly listed or for these mistakes
The intrinsic other step or units of journey, method, product or equipment.
Technical solution of the present invention is described in detail with specifically embodiment below.These specific implementations below
Example can be combined with each other, and the same or similar concept or process may be repeated no more in some embodiments.
Fig. 1 is the organigram one of the cable chip of Type A-Type C cable in one embodiment of the invention.
Type A-Type C cable, may connect between charging equipment and charging equipment involved in the present embodiment.
Charging equipment therein, it will be appreciated that be arbitrarily to have the electronic equipment of Type C base, such as can be and have
Computer, tablet computer, mobile phone, mobile unit or any other electronic equipment of Type C base.
Charging equipment therein can be arbitrarily to be adapted for carrying out the charging of USB PD, and use the confession of Type A base
Electric equipment, can be exclusively used in charging, such as travelling adapter, mobile power source, power outlet, vehicle-mounted cigarette lighter, charging
Device etc. can also be electronic equipment that is non-dedicated in charging, but can be used for charging, such as can be and can fill for other equipment
Computer, tablet computer, mobile phone, mobile unit or any other electronic equipment of electricity.
Travelling adapter therein, it will be appreciated that the power supply to be AC-to DC conversion supplies product, can be mobile phone
Standard fitting in packing box.Charger therein, it will be appreciated that being can be to all kinds of power supply that the electronic equipments such as mobile phone are powered
Product.
Referring to FIG. 1, being equipped with Type A male connector 1 and Type C male connector 2 and CC in the Type A-Type C cable
Line 4, the Type A male connector 1 have A CC feet 11 and A VBUS feet 12, and the Type C male connector 2 has C CC feet 21 and C
Head VBUS foot 22；The CC line 4 connects the A CC foot 11 and the C CC foot 21, and the A VBUS foot 12 is for accessing
Supply voltage, the supply voltage can for example be characterized as VBUS, and the A VBUS foot is connect with the C VBUS foot, in turn, A head
The voltage of VBU foot and C VBUS feet can be identical.
Meanwhile can also have A head D+ foot and A D- feet not shown in Fig. 1, Type C male connector 2 in Type A male connector 1
In can also have C head D+ foot not shown in Fig. 1 and C D- feet, A D+ foot therein can be connect with C D+ feet, A D-
Foot can be connect with C D- feet.
Referring to FIG. 1, in the present embodiment, the cable chip 3 of Type A-Type C cable, comprising: processing module 33,
One pull-up resistor 32, first switch device 34, chip CC1 foot 31 and chip VBUS foot 33.
CC line 4 described in 31 external connection of chip CC1 foot, the chip VBUS foot 33 connect the A VBUS foot 12,
The chip CC1 foot 31 connects the processing module 33；The processing module 33 can be powered by the chip VBUS foot 33,
Meanwhile the embodiment that processing module 33 also passes through other pin powereds is not precluded in the present embodiment.
First end after first pull-up resistor 32 is connected with the first switch device 34 connect the chip VBUS
Foot 33, second end connect the chip CC1 foot 31, and the first switch device 34 is controlled by the processing module 33.
It, can between chip VBUS foot 33 and chip CC1 foot 31 when first switch device 34 is connected in embodiment of above
It is connected through the first pull-up resistor 32, from enabling chip CC1 foot to be suspended to chip VBUS foot 33 through the first pull-up resistor 32.
In view of this, it may be noted that in the standard Type A-Type C cable provided by the company of part, and is not configured
The function of USB PD quick charge, wherein in Type A male connector and CC foot is not configured, and then CC line, Type C male connector is not configured
C head CC foot and C VBUS feet between can be linked together by a pull-up resistor, in the present embodiment, then by its function
Realization is configured in cable chip 3, it is seen then that when first switch device 34 is connected, the present embodiment can realize that chip CC1 foot is unused
Demand when USB PD quick charge, and then the compatible realization class standard Type A-Type C cable of embodiment of above
Circuit structure.
It, can between chip VBUS foot 33 and chip CC1 foot 31 when first switch device 34 turns off in embodiment of above
It disconnects, at this point, processing module can be interactively communicated by chip CC1 foot and A CC feet with the electronic equipment being connect, being based on should
It interactively communicates, such as can realize the function of electronic tag and single line communication.
In concrete example, the resistance value of the first pull-up resistor 32 may be, for example, 56K ohm.
In view of this, it may be noted that the Type A-Type C cable of the USB PD quick charge provided by the company of part
In, A VBUS feet can power when receiving power supply for electronic label chip therein, and CC line can be interacted with electronic label chip
Communication supports USB PD communication and realizes the functions such as cable identification.And then compatible such USB PD of realization of embodiment of above
The circuit structure of the Type A-Type C cable of quick charge.
As it can be seen that about CC foot referred to above, CC specifically: Configuration Channel, and then CC foot can have
Body understands are as follows: collocation channel pin.By CC foot, facilitates and support the functions such as USB PD communication and realization cable identification.It is corresponding,
Processing module referred to above, it will be appreciated that can arbitrarily to cooperate CC foot to realize the circuit module of corresponding function, so, it can be right
Should have the corresponding function of electronic label chip in the prior art.
Fig. 2 is the organigram two of the cable chip of Type A-Type C cable in one embodiment of the invention.
Referring to FIG. 2, the processing module 33 includes single line and electronic tag digital units in one of embodiment
331 with level conversion unit 332；The chip CC1 foot 31 connects the single line and the input of electronic tag digital units 331 is defeated
Foot out；The single line and electronic tag digital units 331 connect the first switch device by the level conversion unit 332
34, to control the on-off of the first switch device 34.
Single line and electronic tag digital units 331, specially One Wire&eMarker Digtal Block.
One Wire therein, it will be appreciated that be the function of single line communication, can be regarded as carrying out digital letter between devices
According to the traffic rate arranged in advance when signal communication, specification of signals and master slave mode etc. can be completed logical using single signal wire
Letter mode.
EMarker therein, it will be appreciated that be electronic tag, can refer in existing electronic label chip in the related technology
Function understands.
As it can be seen that it can realize the function of single line communication and the function of electronic tag, arbitrarily pass through software and/or hardware mode
The circuit unit for realizing above functions, all without departing from the description of the present embodiment, and then compatibility realizes major part Type A-Type C
The circuit structure of cable.
Such as: single line communication function and the function of electronic tag can be realized by hardware, then for example: if single line and electricity
Subtab digital units 331 cut the single line communication funtion part in digital units, and cooperation software then can only pass through electronic tag
Digital units realize main functional parts of the invention；Another example is: if single line and electronic tag digital units 331 cut number
Electronic label function part in unit, cooperation software then can only realize major function of the invention by single line communication unit
Part.
In addition, the present embodiment optinal plan can also realize HV LDO's by single line and electronic tag digital units 331
Partial function.
Meanwhile in embodiment of above, single line and electronic tag digital units 331, which can also have, passes through level conversion unit
The function that the conducting and disconnection of 332 pairs of first switch devices 34 are controlled.Specifically, may be in response to the corresponding button in cable,
The triggering of switch member and control first switch device 34 conducting and disconnect, also can be automatically controled first switch device 34 and lead through and off
It opens；Such as: specific continuous logic level is received on the chip CC1 foot 31 of cable chip 3 can be through internal single line and electronics mark
Label digital units 331 connect the pull-up resistor (i.e. the first pull-up resistor 32) of 31 foot of chip CC1 foot to VBUS after explaining
Or what is do not connected automatically configures.
Level conversion unit 332 can specifically refer to Level Translator, can be regarded as to turn by level
It changes, the circuit unit that the signal that digital units are exported is suitable for controlling first switch device 34 after converting, tool
Body, due to the electricity of single line and the level of electronic tag digital units output signal and the controlled signal of control first switch device
It is flat to mismatch, so need to be converted to it, such as: when signal (such as single line and the electronic tag number of the digital circuit of 3.3V
The output signal of word cell 331) with work 20V analog circuit signal (such as controlled signal of first switch device) into
When row communication, that is, level conversion unit 332 referred to above can be used to carry out level conversion.
Wherein, which can also connect chip VBUS foot, to receive its power supply.
Fig. 3 is the organigram three of the cable chip of Type A-Type C cable in one embodiment of the invention.
Referring to FIG. 3, the power supply foot of the single line and electronic tag digital units 331 is logical in one of embodiment
It crosses pressure unit 333 and connects chip VBUS foot 33.
In turn, pressure unit 333 can to after carrying out decompression processing from the power supply of chip VBUS foot 33 be supplied to single line and electricity
Subtab digital units 331, the pressure unit 333 are specifically as follows HV LDO, i.e., high voltage bearing linear voltage decreasing unit, therein
LDO refers specifically to low drop output.
Meanwhile in other embodiments, since single line communication technology has the ability for taking electricity from data line, for only needing
It wants single line communication to do the scene of identification certification, high voltage bearing linear voltage decreasing unit can not also be used in cable chip, to drop
Low Integrated Solution cost and product power consumption.
In view of this, need to illustrate: due to conventional electronic labeling device (i.e. eMarker) but pass through and Type
The CC foot and VCONN foot of C base are shaken hands with USB source device (i.e. power supply unit or main equipment), then by USB source device
VCONN foot is powered electronic labeling device；However, since the Type A male connector of customization only supports a CC foot for CC
Communication, Type A male connector do not have VCONN to power the single line and electronic tag digital circuit 331 that are similar to electronic labeling device,
So need with VBUS in cable chip single line and electronic tag digital circuit 331 be powered, it is contemplated that VBUS highest
Up to 20V, thus need additionally to use high voltage bearing linear voltage decreasing unit (that is: HV LDO) referred to above.
Fig. 4 is the organigram four of the cable chip of Type A-Type C cable in one embodiment of the invention.
Referring to FIG. 4, in one of embodiment, the cable chip 3 further includes second switch device 35 and the
Two pull-up resistors 37, the cable chip 3 further include chip CC2 foot 36, and the chip CC2 foot 36 connects the Type C male connector
C head VCONN foot 23 in 2.
First end after the second switch device 35 is connected with second pull-up resistor 37 connect the chip VBUS
Foot 33, second end connect the chip CC2 foot 36, and the second switch device 35 is controlled by the processing module 33.
It, can be through the second pull-up resistor between chip VBUS foot 33 and chip CC2 foot 36 when second switch device 35 is connected
37 conductings, from enabling chip CC2 foot to be suspended to chip VBUS foot 33 through the second pull-up resistor 37.
In view of this, it may be noted that the another kind provided by the company of part is off-gauge to be not configured USB PD quick charge
In the Type A-Type C cable of function, in Type A male connector and CC foot is not configured, and then CC line, Type C male connector is not configured
C head VCONN foot and C VBUS feet between can be linked together by a pull-up resistor, in the present embodiment, can also be by its function
The realization of energy is configured in cable chip 3, it is seen then that when second switch device 34 is connected, the compatible realization of embodiment of above
The circuit structure of such non-standard Type A-Type C cable.
It, can between chip VBUS foot 33 and chip CC2 foot 36 when second switch device 35 turns off in embodiment of above
It disconnects.
In view of this, it may be noted that the Type A-Type C cable of the USB PD quick charge provided by the company of part,
And in the Type A-Type C cable of non-rapid charging, C VCONN feet can not be pulled to C VBUS feet, and then above real
Apply the compatible circuit structure for realizing these classes Type A-Type C cable of mode.
Fig. 5 is the organigram five of the cable chip of Type A-Type C cable in one embodiment of the invention.
Referring to FIG. 5, in this embodiment, second switch device 35 can be controlled by single line through level conversion unit 332
And electronic tag digital units 331.
In embodiment of above, it is right by level conversion unit 332 that single line and electronic tag digital units 331 can also have
The function that the conducting and disconnection of second switch device 35 are controlled.Specifically, may be in response to the corresponding button in cable, switch member
Triggering and control second switch device 35 conducting and disconnect, also can be automatically controled second switch device 35 conducting and disconnect；Example
Such as: the specific continuous logic level received on the chip CC1 foot 31 of cable chip 3 is through internal single line and electronic tag number
After unit 331 is explained, can the pull-up resistor (i.e. the second pull-up resistor 37) to 36 foot of chip CC2 foot to VBUS connected or not
What is connected automatically configures.
In specific implementation process, the chip CC2 foot 36 is additionally coupled to the processing module 33, is specifically connected to therein
Single line and electronic tag digital units 331 can reserve support logic level when chip CC2 foot 36 is used alone and input in turn.
Further, chip CC2 foot 36 can be connected to processing module 33 through input buffer 38, specifically be connected to single line
And electronic tag digital units 331, the input buffer 38 can have comparing function.In turn, tape comparator function can be passed through
Input buffer can be inputted when being used alone with reserved chip CC2 foot with support logic level and analog level multilevel iudge is defeated
Enter.
Meanwhile in the present embodiment can also not use input buffer 38, can also configure input buffer to do not have than
Compared with the buffer of function, input buffer can also be replaced with to other devices, no matter which kind of variation, all without departing from the present embodiment
Description.
Fig. 6 is the organigram six of the cable chip of Type A-Type C cable in one embodiment of the invention.
Referring to FIG. 6, the input buffer of tape comparator function can be characterized using Buffer&Comp.
In one of embodiment, the first switch device 34 can be configured as default in the conductive state.
Referring to FIG. 6, can wherein characterize the first pull-up resistor 32 using Rp1；In concrete example, the first switch
Device 34 may include the first PMOS, can be as shown in the P1 in Fig. 6, and the grid of the first PMOS connects the processing mould
Block, and the grid of the first PMOS is grounded through pull down resistor R1, the source electrode of the first PMOS is connected to the chip VBUS
The drain electrode of foot, the first PMOS is connected to the chip CC1 foot through the first pull-up resistor Rp1.Wherein, the first PMOS
Grid specifically can be connected to single line and electronic tag digital units 331 through level conversion unit energy 332
As it can be seen that wherein using the ground connection of pull down resistor R1 so that first switch device is default in the conductive state.In turn,
Pull down resistor R1 ensures to be set from chargings such as charger or mobile phones in single line and electronic tag digital units 331 being not received by
Keep the first PMOS default in the conductive state in the case where the specific command of quilt standby or to be charged, so as to the C of Type C male connector
Head CC foot is able to maintain the first pull-up resistor Rp1 and hangs on VBUS.
In one of embodiment, the second switch device 35 can be configured to default be in an off state.
Referring to FIG. 6, can wherein characterize the second pull-up resistor 37 using Rp2；In concrete example, the second switch
Device 35 may include the 2nd PMOS, can be as shown in the P2 in Fig. 6；The grid of 2nd PMOS connects the processing mould
Block, the source electrode of the 2nd PMOS are connected to the chip VBUS foot, and the drain electrode of the 2nd PMOS is through the second pull-up electricity
Resistance Rp2 is connected to the C VCONN foot, is connected with third pull-up resistor R2 between the grid and source electrode of the 2nd PMOS.Its
In, the grid of the first PMOS specifically can be connected to single line and electronic tag digital units 331 through level conversion unit energy 332.
It is in an off state as it can be seen that wherein ensuring that second switch device is default using third pull-up resistor R2, it is ensured that this
Cable involved in embodiment for realizing standard Type A-Type C cable circuit structure when, the second of C VCONN feet
Pull-up resistor Rp2 arrives VBUS without drawing at this time, so that it is guaranteed that the chip CC1 foot in chip is being not connected to optional network specific digit signal behaviour
When making, which is the Type A-Type C cable of standard.
First is realized by two PMOS, a pull down resistor and a third pull-up resistor in embodiment of above
The default conducting of PMOS and the default disconnection of the 2nd PMOS.
In other optional embodiments, in the case where no level conversion unit, the realization of other circuits can also be used
The control of the state of default configuration and on-off.Specifically, default match is realized in combination with corresponding NMOS and resistance for each PMOS
It sets, it may be assumed that be directed to the first pull-up resistor Rp1, chip CC1 foot, two NMOS can be used, PMOS and two resistance is realized and lacked
It saves configuration to control with on-off, PMOS therein can be similar to related first PMOS above, and then can be with the first pull-up resistor
Series connection；It is directed to the second pull-up resistor Rp2, chip CC2 foot, a NMOS can be used, PMOS and resistance is realized and lacked
It saves configuration to control with on-off, PMOS therein can be similar to related 2nd PMOS above, and then can be with the second pull-up resistor
Series connection.
It is directed to the default conducting of first switch device, can be such as: the drain electrode of two NMOS be connected to by resistance respectively
The source electrode of VBUS, two NMOS can be directly connected to ground, and the drain electrode of first NMOS can connect the grid of second NMOS, and second
The drain electrode of NMOS can connect the grid of the first PMOS, the grid connection single line of first NMOS and patrolling for electronic tag digital units
Output is collected, to realize default conducting；It is directed to the default disconnection of second switch device, the source electrode ground connection of NMOS, the grid of NMOS
Pole connects the logic output of single line and electronic tag digital units, and the drain electrode of NMOS is connected to VBUS by a resistance and should
Drain electrode is also connected to the grid of the 2nd PMOS, to realize default disconnection.
Meanwhile in embodiment shown in Fig. 6, cable chip 3 can with band there are four foot (that is: using chip VBUS foot,
Chip CC1 foot, chip CC2 foot and GND foot) integrated circuit realize cable chip involved in the present embodiment, it is ensured that at
This minimum.
In specific implementation process, the maximum operating voltage of VBUS is up to 20V in USB Type C specification, so cable chip
3 chip VBUS foot, chip CC1 foot, chip CC2 foot can be resistant to and be pressed in 20V or more, it is expected that pressure-resistant 30V.
As it can be seen that the circuit structure of various Type A-Type C cables below the above compatible realization of specific embodiment:
It is directed to the first cable, may be regarded as the Type A-Type C cable of the unrealized quick charge of standard, wherein
Type A male connector in be not provided with CC foot, the CC foot of Type C male connector is pulled to VBUS foot through pull-up resistor, the present embodiment can
Select embodiment that can be connected by control first switch device 34, the shutdown of second switch device 35 realizes the first line to be compatible with
Cable；
It is directed to second of cable, may be regarded as another Type A-Type C cable that quick charge is not implemented, wherein
Type A male connector in be not provided with CC foot, the CC foot of Type C male connector is pulled to VBUS foot through pull-up resistor, Type C male connector
VCONN foot is pulled to VBUS foot through pull-up resistor, and the VCONN foot is in equipment (the i.e. such as smart phone with Type C base
Charging equipment) in be to correspond to another CC foot (i.e. CC1 or CC2 foot), the optional way of the present embodiment can pass through control
First switch device 34 processed is both turned on second switch device 35 carrys out compatible realization second of cable.
It is directed to the third cable, is equipped with ID foot (or CC foot) in Type A male connector therein, which can
Single line communication authentication chip (One Wire Authenticator) in connection cables, wherein the CC foot of Type C male connector
Be pulled to VBUS foot through pull-up resistor, the optional way of the present embodiment can by controlling the conducting of first switch device 34, and
Compatible realization the third cable of corresponding configuration in processing module.
It is directed to the 4th kind of cable, may be regarded as a kind of Type A-Type C cable that can be realized quick charge, wherein
Type A male connector in be equipped with CC foot, the CC foot can electronic label chip in connection cables, the optional way of the present embodiment can
It is turned off by control first switch device 34 with second switch device 35 come the 4th kind of cable of compatible realization.
So different company realizes USB PD agreement or its privately owned fast charge agreement and relevant cable identification method at present
It all has nothing in common with each other, causing to seem the consistent Type A-Type C cable of appearance cannot be compatible in distinct device quick charge, make
At the waste of cable.And the present embodiment and its optinal plan provide it is a kind of applied to can recognize configurable integrated side in cable
Case can greatly be compatible with the demand of quick charge and the non-rapid charging of different brands equipment with same root cable.
To sum up, Type A-Type C cable and its cable chip provided in this embodiment, pass through first pull-up resistor
The chip VBUS foot is connect with the first end after the first switch devices in series, second end connects the chip CC1 foot, can
To pass through the conducting of first switch device, enables chip CC1 foot to be suspended to chip VBUS through the first pull-up resistor, can expire
Sufficient chip CC1 foot is not used for demand when USB PD quick charge, and then the compatible realization standard Type A-Type C of the present invention
The circuit structure of cable；Meanwhile also processing module can be enabled to pass through chip CC1 foot by the shutdown of first switch device
It interactively communicates with the electronic equipment being connect, is interactively communicated based on this, such as can realize the function of electronic tag and single line communication,
And then the circuit structure of the compatible Type A-Type C cable for realizing USB PD quick charge of the present invention.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
- Be equipped with 1. a kind of cable chip of Type A-Type C cable, in the Type A-Type C cable Type A male connector with Type C male connector and CC line, the Type A male connector have A CC feet and A VBUS feet, and the Type C male connector has C Head CC foot and C VBUS feet；The CC line connects the A CC foot and the C CC foot, and the A VBUS foot is for accessing Supply voltage, the A VBUS foot are connect with the C VBUS foot；It is characterized in that, the cable chip includes processing mould Block, the first pull-up resistor, first switch device, chip CC1 foot and chip VBUS foot；Described in the chip CC1 foot external connection CC line, the chip VBUS foot connect the A VBUS foot, and the chip CC1 foot connects the processing module；The processing mould Block can be powered by the chip VBUS foot；First pull-up resistor connect the chip VBUS foot, second end with the first end after the first switch devices in series The chip CC1 foot is connected, the first switch device is controlled by the processing module.
- 2. cable chip according to claim 1, which is characterized in that the processing module includes single line and electronic tag number Word cell and level conversion unit；The chip CC1 foot connects the input and output foot of the single line and electronic tag digital units；The single line and electronic tag digital units are by the level conversion unit connection first switch device, with control The on-off of the first switch device.
- 3. cable chip according to claim 2, which is characterized in that the power supply of the single line and electronic tag digital units Foot connects chip VBUS foot by pressure unit.
- 4. cable chip according to claim 1, which is characterized in that the first switch device is configured as default be in On state.
- 5. cable chip according to claim 4, which is characterized in that the first switch device includes the first PMOS, institute The grid for stating the first PMOS connects the processing module, and the grid of the first PMOS is grounded through pull down resistor, and described first The source electrode of PMOS is connected to the chip VBUS foot, and the drain electrode of the first PMOS is connected to described through first pull-up resistor Chip CC1 foot.
- 6. cable chip according to any one of claims 1 to 5, which is characterized in that further include second switch device and Two pull-up resistors, the cable chip further include chip CC2 foot, and the chip CC2 foot connects the C head in the Type C male connector VCONN foot；First end after the second switch device is connected with second pull-up resistor connect the chip VBUS foot, second end The chip CC2 foot is connected, the second switch device is controlled by the processing module.
- 7. cable chip according to claim 6, which is characterized in that the chip CC2 foot is additionally coupled to the processing mould Block.
- 8. cable chip according to claim 6, which is characterized in that the second switch device is configured as default be in Off-state.
- 9. cable chip according to claim 8, which is characterized in that the second switch device includes the 2nd PMOS, institute The grid for stating the 2nd PMOS connects the processing module, and the source electrode of the 2nd PMOS is connected to the chip VBUS foot, described The drain electrode of 2nd PMOS is connected to the C VCONN foot, the grid and source electrode of the 2nd PMOS through second pull-up resistor Between be connected with third pull-up resistor.
- 10. a kind of Type A-Type C cable, which is characterized in that including the described in any item cable chips of claim 1 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910914296.0A CN110534988A (en) | 2019-09-25 | 2019-09-25 | Type A-Type C cable and its cable chip |
| PCT/CN2020/115079 WO2021057528A1 (en) | 2019-09-25 | 2020-09-14 | Type a-type c cable and cable chip thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910914296.0A CN110534988A (en) | 2019-09-25 | 2019-09-25 | Type A-Type C cable and its cable chip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110534988A true CN110534988A (en) | 2019-12-03 |
Family
ID=68670135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910914296.0A Pending CN110534988A (en) | 2019-09-25 | 2019-09-25 | Type A-Type C cable and its cable chip |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110534988A (en) |
| WO (1) | WO2021057528A1 (en) |
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| CN112821156A (en) * | 2021-02-02 | 2021-05-18 | 深圳慧能泰半导体科技有限公司 | Electronic tags chip and TYPE-C data line |
| CN113937832A (en) * | 2020-06-29 | 2022-01-14 | 华为技术有限公司 | Charging cable, and identification method and system of charging cable |
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| CN116226010A (en) * | 2023-03-17 | 2023-06-06 | 成绎半导体(苏州)有限公司 | USB PD interface circuit, data line and charging method |
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