阅读说明：本技术 Type A-Type C线缆及其线缆芯片 (Type A-Type C cable and its cable chip ) 是由 陶红霞 于 2019-09-25 设计创作，主要内容包括：本发明提供了一种Type A-Type C线缆及其线缆芯片,所述线缆芯片包括处理模块、第一上拉电阻、第一开关器件、芯片CC1脚与芯片VBUS脚；所述芯片CC1脚对外连接所述CC线,所述芯片VBUS脚连接所述A头VBUS脚,所述芯片CC1脚连接所述处理模块；所述处理模块能够通过所述芯片VBUS脚供电,所述第一上拉电阻与所述第一开关器件串联后的第一端连接所述芯片VBUS脚,第二端连接所述芯片CC1脚,所述第一开关器件受控于所述处理模块。本发明可兼容实现标准Type A-Type C线缆的电路构造,以及USB PD快速充电的Type A-Type C线缆的电路构造。(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.)

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.

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.