CN110765055A - Type-C interface adapter circuit and Type-C interface adapter - Google Patents
Type-C interface adapter circuit and Type-C interface adapter Download PDFInfo
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- CN110765055A CN110765055A CN201911021731.3A CN201911021731A CN110765055A CN 110765055 A CN110765055 A CN 110765055A CN 201911021731 A CN201911021731 A CN 201911021731A CN 110765055 A CN110765055 A CN 110765055A
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- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 3
- 102100036464 Activated RNA polymerase II transcriptional coactivator p15 Human genes 0.000 description 1
- 101000713904 Homo sapiens Activated RNA polymerase II transcriptional coactivator p15 Proteins 0.000 description 1
- 229910004444 SUB1 Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4004—Coupling between buses
- G06F13/4022—Coupling between buses using switching circuits, e.g. switching matrix, connection or expansion network
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0042—Universal serial bus [USB]
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- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Telephone Function (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides a Type-C interface adapter circuit and a Type-C interface adapter, which aim to solve the problem that a Type-C mobile phone and the like cannot be charged after being connected with a Type-C earphone and the like. The circuit comprises a PD processor and three Type-C interfaces, wherein the CC ends of the Type-C interfaces are respectively connected with the PD processor, the SSTX end, the SSRX end and the SUB end of the first Type-C interface are connected with the corresponding ends of the third Type-C interface, the Vbus end of the first Type-C interface sequentially passes through a first switch and a Vbus end, the second switch is connected with the second Type-C interface, the common end of the first switch and the second switch is connected with a DC-DC converter, the DC-DC converter supplies power to the PD processor and is connected with the Vbus end of the third Type-C interface through the third switch, and the control end of each switch is respectively connected with the PD processor. The adapter comprises the circuit.
Description
Technical Field
The invention relates to the field of peripheral accessories of computers and smart phones, in particular to a Type-C interface adapter circuit and a Type-C interface adapter circuit, wherein the Type-C interface adapter circuit can convert a full-function Type-C interface into a full-function Type-C interface plus a Type-C charging interface.
Background
The Type-C interface is called USB Type-C interface, also called USB-C interface. It has the following characteristics: 1. the data transmission speed is high, and the maximum data transmission speed reaches 10 Gbit/s. 2. The function of inserting from both the front and the back is supported. 3. Supporting the power transfer function, the standard specification connecting wire equipped with the Type-C connector can provide 100W of power at most through 3A current. Since the release back of Type-C interface, notebook computer, panel computer, the smart mobile phone that has Type-C interface on the market are more and more, and some Type-C interfaces are born multiple functions such as charging, video output, data transmission.
For simplicity of description, a device having a Type-C interface is simply referred to as a Type-C device in this application.
Because the smart phone only has one Type-C interface, some notebook computers or tablet computers also only have one Type-C interface. Moreover, some Type-C devices have single function and do not support PD (Power Delivery) charging, such as Type-C earphones, Type-C video adapters, Type-C network adapters and the like. This presents the following problems: if the Type-C devices which do not support PD charging are directly connected to the smart phone or the tablet computer with only one Type-C interface, the less the electric quantity of the smart phone or the tablet computer is used, but the Type-C devices occupy the Type-C interface of the smart phone or the tablet computer, so that the smart phone or the tablet computer cannot be charged any more.
Therefore, a Type-C interface adapter capable of solving the above problems is needed.
Disclosure of Invention
The invention aims to provide a Type-C interface adapter circuit and a Type-C interface adapter to solve the problems in the prior art.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a Type-C interface adapter circuit comprises a PD processor, a first Type-C interface, a second Type-C interface and a third Type-C interface, wherein a CC end of the first Type-C interface, a CC end of the second Type-C interface and a CC end of the third Type-C interface are respectively connected with the PD processor, an SSTX end, an SSRX end and a SUB end of the first Type-C interface are connected with corresponding ends of the third Type-C interface, a Vbus end of the first Type-C interface is connected with a Vbus end of the second Type-C interface through a first switch and a second switch in sequence, a common end of the first switch and the second switch is connected with a DC-DC converter, the DC-DC converter is connected with a Vbus end of the third Type-C interface through a third switch, and the DC-DC converter is connected with a power supply end of the PD processor, and the control end of the first switch, the control end of the second switch and the control end of the third switch are respectively connected with the PD processor.
In the above Type-C interface adapter circuit, preferably, when the first Type-C interface is connected to a first Type-C device and the third Type-C interface is connected to a third Type-C device, the PD processor communicates with the first Type-C device and the third Type-C device through a CC terminal of the first Type-C interface and a CC terminal of the third Type-C interface, and controls the first Type-C device and the third Type-C device to perform data transmission; the Vbus end of the first Type-C interface supplies power to the PD processor through the DC-DC converter; when the PD processor detects that the electric quantity of the third Type-C device is low, the PD processor controls the third switch to be conducted, and the Vbus end of the first Type-C interface charges the third Type-C device through the DC-DC converter, the third switch and the Vbus end of the third Type-C interface;
when the first Type-C device electric quantity is low, the second Type-C interface is connected with the Type-C charger, the PD processor controls the second switch and the first switch to be conducted through the CC end of the second Type-C interface and the communication of the Type-C charger, and the Type-C charger charges the first Type-C device through the Vbus end of the second Type-C interface, the second switch, the first switch and the Vbus end of the first Type-C interface.
In the above Type-C interface adapter circuit, preferably, the first Type-C interface is a male connector, the second Type-C interface and the third Type-C interface are female connectors, the first Type-C device is a Type-C device supporting PD charging, and the third Type-C device is a Type-C device not supporting PD charging.
In foretell Type-C interface adapter circuit, preferably, first Type-C device is smart mobile phone, panel computer or notebook computer, the third Type-C device is Type-C earphone, Type-C video adapter, Type-C network adapter, Type-C U dish or Type-C hard disk.
In the above Type-C interface adapter circuit, it is preferable that the Type-C interface adapter circuit further includes a low dropout regulator converting 5V to 3.3V, and the low dropout regulator is connected between the DC-DC converter and the power supply terminal of the PD processor.
A Type-C interface adapter comprises the Type-C interface adapter circuit.
In the above Type-C interface adapter, preferably, the Type-C interface adapter is integrated on the same circuit board.
In the above Type-C interface adapter, preferably, components of the Type-C interface adapter circuit other than the Type-C interface are integrated on the same circuit board, at least one of the first Type-C interface, the second Type-C interface, and the third Type-C interface is connected to the circuit board through a wire, and at least one of the second Type-C interface and the third Type-C interface is integrated on the circuit board.
In the above Type-C interface adapter, preferably, the components of the Type-C interface adapter circuit other than the Type-C interface are integrated on the same circuit board, and the first Type-C interface, the second Type-C interface and the third Type-C interface are connected to the circuit board through wires, respectively.
In the above Type-C interface adapter, preferably, the circuit board is mounted in a housing.
Compared with the prior art, the invention has at least the following beneficial effects:
this Type-C interface adapter changes the first Type-C interface of global function into the third Type-C interface of global function and adds the Type-C interface and charge the interface (second Type-C interface) for Type-C smart mobile phone, Type-C panel computer etc. can connect the Type-C charger when connecting Type-C earphone etc. can last the use.
The PD processor is adopted, intelligent control is achieved, and the circuit is simple.
Drawings
FIG. 1 is a circuit diagram of a Type-C interface adapter;
reference numerals: 1. a second Type-C interface; 2. a second switch; 3. a first switch; 4. a first Type-C interface; 5. a PD processor; 6. a DC-DC converter; 7. a low dropout linear regulator; 8. a third switch; 9. and a third Type-C interface.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
Referring to fig. 1, the Type-C interface adapter circuit includes: PD treater 5, first Type-C interface 4, second Type-C interface 1 and third Type-C interface 9.
A CC end (including a CC1 end and a CC2 end) of the first Type-C interface 4, a CC end (including a CC1 end and a CC2 end) of the second Type-C interface 1 and a CC end (including a CC1 end and a CC2 end) of the third Type-C interface 9 are respectively connected with the PD processor 5, an SSTX end (including an SSTX1 end and an SSTX2 end), an SSRX end (including an SSRX1 end and an SSRX2 end) and a SUB end (including a SUB1/2 end) of the first Type-C interface 4 are connected with corresponding ends of the third Type-C interface 9, a Vbus end of the first Type-C interface 4 is connected with a Vbus end of the second Type-C interface 1 through a first switch 3 and a second switch 2 in sequence, a common end of the first switch 3 and the second switch 2 is connected with a DC-DC converter 6, and the DC-DC converter is connected with a Vbus end of the third Type-C interface 9 through a third switch 8, the DC-DC converter 6 is connected to the power supply terminal of the PD processor 5 through a low dropout regulator 7 that converts 5V to 3.3V, and the control terminal of the first switch 3, the control terminal of the second switch 2, and the control terminal of the third switch 8 are respectively connected to the PD processor 5.
This Type-C interface adapter changes first Type-C interface 4 of global function into global function third Type-C interface 9 and adds the interface that Type-C charges (second Type-C interface 1) for Type-C smart mobile phone, Type-C panel computer etc. can connect the Type-C charger when connecting Type-C earphone etc. can last the use. Wherein, the PD processor 5 is adopted to control and realize intelligent conversion. The specific control process is as follows:
when the first Type-C interface 4 is connected to a first Type-C device and the third Type-C interface 9 is connected to a third Type-C device, the PD processor 5 controls the first Type-C device and the third Type-C device to perform data transmission by communicating with the first Type-C device and the third Type-C device through the CC terminal of the first Type-C interface 4 and the CC terminal of the third Type-C interface 9; the Vbus end of the first Type-C interface 4 supplies power to the PD processor 5 through the DC-DC converter 6; when the PD processor 5 detects that the power of the third Type-C device is low, the PD processor controls the third switch 8 to be turned on, and the Vbus terminal of the first Type-C interface 4 charges the third Type-C device through the DC-DC converter 6, the third switch 8, and the Vbus terminal of the third Type-C interface 9;
when first Type-C device electric quantity is low, second Type-C interface 1 connects Type-C charger, PD treater 5 through second Type-C interface 1's CC end with Type-C charger communication, control second switch 2 with first switch 3 switches on, Type-C charger is through second Type-C interface 1's Vbus end, second switch 2 first switch 3, first Type-C interface 4's Vbus end gives first Type-C device charges.
In this embodiment, first Type-C interface 4 is public head, and second Type-C interface 1 and third Type-C interface 9 are female head, first Type-C device is the Type-C device that supports the PD to charge, the third Type-C device is the Type-C device that does not support the PD to charge.
The first Type-C device may be, but is not limited to, a smart phone, a tablet computer, a notebook computer. The third Type-C device may be, but is not limited to, a Type-C headset, a Type-C video adapter, a Type-C network adapter, a Type-C U disc, a Type-C hard disk.
The Type-C interface adapter circuit can form Type-C interface adapters in different shapes.
In one embodiment, the Type-C interface adapter circuit can be integrated on the same circuit board, and the circuit board can be mounted in a housing to form a Type-C interface adapter. During the use, be connected Type-C interface adapter and smart mobile phone, Type-C earphone, Type-C charger through the data line.
The Type-C interface adapter circuit can be integrated on the same circuit board by using elements except for the Type-C interface, at least one of the first Type-C interface 4, the second Type-C interface 1 and the third Type-C interface 9 is connected with the circuit board through a wire, at least one of the second Type-C interface 1 and the third Type-C interface 9 is integrated on the circuit board, and the circuit board is installed in a shell to form the Type-C interface adapter.
The Type-C interface adapter circuit can be integrated on the same circuit board by using elements except the Type-C interface, the first Type-C interface 4, the second Type-C interface 1 and the third Type-C interface 9 are respectively connected with the circuit board through wires, and the circuit board is installed in a shell to form the Type-C interface adapter. Thus, when in use, the data line is not needed to be additionally used.
The present invention has been described in detail with reference to the specific embodiments, and the detailed description is only for the purpose of helping those skilled in the art understand the present invention, and is not to be construed as limiting the scope of the present invention. Various modifications, equivalent changes, etc. made by those skilled in the art under the spirit of the present invention shall be included in the protection scope of the present invention.
Claims (10)
1. A Type-C interface adapter circuit is characterized by comprising a PD processor (5), a first Type-C interface (4), a second Type-C interface (1) and a third Type-C interface (9),
the CC end of the first Type-C interface (4), the CC end of the second Type-C interface (1) and the CC end of the third Type-C interface (9) are respectively connected with the PD processor (5), the SSTX end, the SSRX end and the SUB end of the first Type-C interface (4) are connected with corresponding ends of the third Type-C interface (9), the Vbus end of the first Type-C interface (4) is connected with the Vbus end of the second Type-C interface (1) through a first switch (3) and a second switch (2) in sequence, the common end of the first switch (3) and the second switch (2) is connected with a DC-DC converter (6), the DC-DC converter (6) is connected with the Vbus end of the third Type-C interface (9) through a third switch (8), and the DC-DC converter (6) is connected with the power supply end of the PD processor (5), the control end of the first switch (3), the control end of the second switch (2) and the control end of the third switch (8) are respectively connected with the PD processor (5).
2. The Type-C interface adapter circuit of claim 1,
when the first Type-C interface (4) is connected with a first Type-C device and the third Type-C interface (9) is connected with a third Type-C device, the PD processor (5) is communicated with the first Type-C device and the third Type-C device through the CC terminal of the first Type-C interface (4) and the CC terminal of the third Type-C interface (9) to control the first Type-C device and the third Type-C device to carry out data transmission; the Vbus end of the first Type-C interface (4) supplies power to the PD processor (5) through the DC-DC converter (6); when the PD processor (5) detects that the power of the third Type-C device is low, the PD processor controls the third switch (8) to be conducted, and the Vbus end of the first Type-C interface (4) charges the third Type-C device through the DC-DC converter (6), the third switch (8) and the Vbus end of the third Type-C interface (9);
when the first Type-C device is low in electric quantity, a Type-C charger is connected to the second Type-C interface (1), the PD processor (5) controls the second switch (2) and the first switch (3) to be conducted through the CC end of the second Type-C interface (1) and the Type-C charger in communication, and the Type-C charger charges the first Type-C device through the Vbus end of the second Type-C interface (1), the second switch (2), the first switch (3) and the Vbus end of the first Type-C interface (4).
3. The Type-C interface adapter circuit of claim 2, wherein the first Type-C interface (4) is a male header, the second Type-C interface (1) and the third Type-C interface (9) are female headers, the first Type-C device is a Type-C device that supports PD charging, and the third Type-C device is a Type-C device that does not support PD charging.
4. The Type-C interface adapter circuit of claim 3, wherein the first Type-C device is a smart phone, a tablet computer or a notebook computer, and the third Type-C device is a Type-C earphone, a Type-C video adapter, a Type-C network adapter, a Type-C U disc or a Type-C hard disk.
5. The Type-C interface adapter circuit according to claim 1, further comprising a low dropout linear regulator (7) of 5V to 3.3V, the low dropout linear regulator (7) being connected between the DC-DC converter (6) and the power supply terminal of the PD processor (5).
6. A Type-C interface adapter comprising the Type-C interface adapter circuit of any one of claims 1 to 5.
7. The Type-C interface adapter of claim 6, wherein the Type-C interface adapter circuitry is integrated on the same circuit board.
8. The Type-C interface adapter according to claim 6, wherein the elements of the Type-C interface adapter circuit other than the Type-C interface are integrated on the same circuit board, at least one of the first Type-C interface (4), the second Type-C interface (1) and the third Type-C interface (9) is connected to the circuit board by a wire, and at least one of the second Type-C interface (1) and the third Type-C interface (9) is integrated on the circuit board.
9. The Type-C interface adapter according to claim 6, wherein the elements of the Type-C interface adapter circuit other than the Type-C interface are integrated on the same circuit board, and the first Type-C interface (4), the second Type-C interface (1) and the third Type-C interface (9) are respectively connected to the circuit board through wires.
10. The Type-C interface adapter of any of claims 6-9, wherein the circuit board is mounted in a housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911021731.3A CN110765055A (en) | 2019-10-25 | 2019-10-25 | Type-C interface adapter circuit and Type-C interface adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911021731.3A CN110765055A (en) | 2019-10-25 | 2019-10-25 | Type-C interface adapter circuit and Type-C interface adapter |
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| Publication Number | Publication Date |
|---|---|
| CN110765055A true CN110765055A (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911021731.3A Pending CN110765055A (en) | 2019-10-25 | 2019-10-25 | Type-C interface adapter circuit and Type-C interface adapter |
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| CN (1) | CN110765055A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113078704A (en) * | 2021-03-17 | 2021-07-06 | 福建升腾资讯有限公司 | One-to-two type-c line and master-slave equipment double-path charging method |
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| CN209374808U (en) * | 2019-01-23 | 2019-09-10 | 芯海科技（深圳）股份有限公司 | A kind of TYPE-C interface one-to-two conversion circuit |
| CN209417725U (en) * | 2019-03-11 | 2019-09-20 | 深圳市腾腾高科电子技术有限公司 | A kind of single USB-C interface with lamp effect turns the adapter of double USB-C interfaces |
| CN209417726U (en) * | 2019-03-11 | 2019-09-20 | 深圳市腾腾高科电子技术有限公司 | A kind of list interface turns the digital interface pinboard of three interfaces |
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2019
- 2019-10-25 CN CN201911021731.3A patent/CN110765055A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180375358A1 (en) * | 2017-06-23 | 2018-12-27 | Dell Products L.P. | High efficiency power storage adapter |
| CN109586111A (en) * | 2019-01-23 | 2019-04-05 | 芯海科技（深圳）股份有限公司 | A kind of TYPE-C interface one-to-two conversion circuit |
| CN209374808U (en) * | 2019-01-23 | 2019-09-10 | 芯海科技（深圳）股份有限公司 | A kind of TYPE-C interface one-to-two conversion circuit |
| CN209417725U (en) * | 2019-03-11 | 2019-09-20 | 深圳市腾腾高科电子技术有限公司 | A kind of single USB-C interface with lamp effect turns the adapter of double USB-C interfaces |
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| CN113078704A (en) * | 2021-03-17 | 2021-07-06 | 福建升腾资讯有限公司 | One-to-two type-c line and master-slave equipment double-path charging method |
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Application publication date: 20200207 |