CN210166777U

CN210166777U - TYPE-C that can PD charge changes interface arrangement of HDMI

Info

Publication number: CN210166777U
Application number: CN201921005593.5U
Authority: CN
Inventors: 李森山
Original assignee: SHENZHEN EAST-TOPTECH ELECTRONIC TECHNOLOGY Co Ltd
Current assignee: SHENZHEN EAST-TOPTECH ELECTRONIC TECHNOLOGY Co Ltd
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-03-20
Anticipated expiration: 2029-06-27

Abstract

The utility model is suitable for the technical field of electronic equipment, the utility model provides a PD chargeable TYPE-C changes the interface arrangement of HDMI, after TYPE-C public seat U7 communicates with external electronic equipment, can realize the electricity and the communication connection, can send the audio and video signal of external electronic equipment to HDMI conversion chip U9, carry out internal processing through HDMI conversion chip U9, can convert the original lossless uncompressed signal into the audio and video signal of HDMI standard of high definition, can transmit to the high definition video display equipment of corresponding interface through the HDMI interface, the problem that handheld device and various different display equipment transmit audio and video signal is solved, the cable adopted can accord with the industry standard, support transmitting high definition audio and video signal, satisfy the high definition video broadcast demand of big space, and can be connected with the external adapter through TYPE-C female seat U10 simultaneously, can realize the circuit intercommunication of power supply circuit and external adapter, the independent power supply and charging can be realized, and the long-time working playing requirement and the charging requirement of the electronic equipment can be met.

Description

TYPE-C that can PD charge changes interface arrangement of HDMI

Technical Field

The utility model belongs to the technical field of electronic equipment, concretely relates to but TYPE-C that PD charges changes interface arrangement of HDMI.

Background

With portable devices becoming more and more portable, TYPE-C interfaces become more and more popular, and become the most popular multifunctional interface protocol at present.

Electronic equipment with TYPE C interfaces, such as a notebook, a mobile phone and a tablet, is often required to be connected to ultrahigh-definition signal display equipment for playing, in actual life, the electronic equipment is often connected through other patch cords, and because the electronic equipment has high power and large power consumption when playing audio and video, a user is often required to additionally plug a power cord for charging, which is extremely inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome not enough among the above-mentioned prior art, provide a but the TYPE-C that PD charges changes the interface arrangement of HDMI.

The utility model discloses a realize like this: the interface device capable of converting TYPE-C into HDMI and capable of being PD charged is characterized by comprising a TYPE-C female seat U10, a TYPE-C male seat U7, an HDMI interface, a TYPE-C processing chip U11, an HDMI conversion chip U9 and a power supply circuit;

the female seat of TYPE is connected with an external adapter for power supply, the male seat of TYPE-C U7 is connected with the processing chip of TYPE-C U11 and the HDMI conversion chip U9, the processing chip of TYPE-C U11 is connected with the HDMI conversion chip U9, the male seat of TYPE-C U7 is matched with external electronic equipment for communication connection, the female seat of TYPE-C U10 is connected with the processing chip of TYPE-C U11, and the power supply circuit is connected with the processing chip of TYPE-C U11 and can be connected with the external adapter for power supply through the matching of the female seat of TYPE-C U10;

pin 5 and pin 6 of the TYPE-C processing chip U11 are connected to the HDMI converting chip U9;

pins 13 to 24 of the HDMI conversion chip U9 are connected with the HDMI interface; the power supply circuit is connected with a G3-P2-SW pin and a G1-P1-SW pin of the TYPE-C processing chip U11.

As a preferred embodiment of the present invention, the TYPE of the TYPE-C processing chip U11 is VL 102.

As a preferred aspect of the present invention, the model of the HDMI converting chip U9 is PS 176.

As a preferred aspect of the present invention, the power supply circuit includes a first branch connected to the G1-P1-SW pin of the TYPE-C processing chip U11U11 and a second branch connected to the G3-P2-SW pin of the TYPE-C processing chip U11U 11.

As a preferable embodiment of the present invention, the first branch includes an NMOS transistor Q12, a resistor R59 connected to the D pole of the NMOS transistor Q12, a resistor R46 connected to the other end of the resistor R59, a resistor R47 connected to the other end of the resistor R59, a capacitor C56 connected to the G pole of the NMOS transistor and the G pole of the resistor R46 and the resistor R47, and a voltage stabilizing IC chip Q9, the G pole of the NMOS transistor is connected to the G1-P1-SW pin of the TYPE-C processing chip U11U11, the other end of the R46 is connected to the pin 4 of the voltage stabilizing IC chip Q9, the other end of the resistor R47 is connected to the

pins

1, 2 and 3 of the voltage stabilizing IC chip Q9, and the pin 5 of the voltage stabilizing IC chip Q9 is connected to the TYPE-C mother socket U10 for power supply.

As a preferred embodiment of the present invention, the second branch includes an NMOS transistor Q11, a resistor R58 connected to the D-pole of the NMOS transistor Q11, a resistor R45 connected to the other end of the resistor R58, a resistor R48 connected to the other end of the resistor R58, a capacitor C57 connected to both ends of the resistor R45 and the resistor R48, and a voltage stabilization IC chip Q10, the G-pole of the NMOS transistor Q11 is connected to the G3-P2-SW pin of the U11, the other end of the resistor R45 is connected to the pin 4 of the voltage stabilization IC chip Q10, the other end of the resistor R48 is connected to the

pins

1, 2 and 3 of the voltage stabilization IC chip Q10, the pin 5 of the voltage stabilization IC chip Q10 is connected to the TYPE-C public seat U7 for power supply, and the

pins

1, 2 and 3 of the voltage stabilization IC chip Q10 are connected to the

pins

1, 2 and 3 of the voltage stabilization IC chip Q19, respectively.

Compared with the prior art, the utility model provides a but interface arrangement of PD charged TYPE-C commentaries on classics HDMI, it includes female seat U10 of TYPE-C, public seat U7 of TYPE-C, TYPE-C processing chip U11, HDMI interface, HDMI conversion chip U9 and supply circuit; after the TYPE-C male seat U7 is communicated with external electronic equipment, the electric connection and the communication connection can be realized, audio and video signals of the external electronic equipment can be transmitted to the HDMI conversion chip U9, the internal processing is carried out through the HDMI conversion chip U9, the original lossless uncompressed signals can be converted into high-definition HDMI standard audio and video signals which can be transmitted to the HDMI interface through the HDMI interface, the high-definition video display equipment with the corresponding interface can be transmitted through the HDMI interface, the problem that the handheld equipment and various different display equipment transmit the audio and video signals is solved, the adopted cable can meet the industrial specification, the transmission of the high-definition audio and video signals is supported, the requirement of large-space ultrahigh-definition video playing is met, the stability is good, meanwhile, the TYPE-C female seat U10 can be connected with an external adapter, the circuit communication between a power supply circuit and the external adapter can be realized, and the independent, the long-time working playing requirement and the charging requirement of the electronic equipment can be met.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention.

Fig. 1 is a schematic circuit diagram of a TYPE-C female socket U10 and a power supply circuit in an embodiment of the present invention;

FIG. 2 is a schematic circuit diagram of a TYPE-C male socket U7 and a TYPE-C processing chip U11 according to an embodiment of the present invention;

fig. 3 is a schematic circuit diagram of an HDMI conversion chip and an HDMI interface according to an embodiment of the present invention;

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Examples

Referring to fig. 1-3, fig. 1 is a schematic circuit diagram of a TYPE-C female socket U10 and a power supply circuit according to an embodiment of the present invention; FIG. 2 is a schematic circuit diagram of a TYPE-C male socket U7 and a TYPE-C processing chip U11 according to an embodiment of the present invention; fig. 3 is a schematic circuit diagram of an HDMI conversion chip and an HDMI interface according to an embodiment of the present invention; further, the overall circuit schematic diagrams of the YPE-C to HDMI interface and PD interface devices may be connected in the connection relationships shown in fig. 1 to 3.

Specifically, the PD-chargeable TYPE-C-to-HDMI interface device is characterized by comprising a TYPE-C female seat U10, a TYPE-C male seat U7, an HDMI interface, a TYPE-C processing chip U11, an HDMI conversion chip U9 and a power supply circuit;

pins 13 to 24 of the HDMI conversion chip U9 are connected with the HDMI interface;

the power supply circuit is connected with a G3-P2-SW pin and a G1-P1-SW pin of the TYPE-C processing chip U11.

In the above, the specific connection relationship can refer to fig. 1 to 3, and this embodiment only describes the important pin connection relationship in text;

in the foregoing, specifically, the TYPE-C to HDMI interface device capable of PD charging includes a TYPE-C female socket U10, a TYPE-C male socket U7, a TYPE-C processing chip U11, an HDMI interface, an HDMI conversion chip U9, and a power supply circuit; after the TYPE-C male seat U7 is communicated with external electronic equipment, the electric connection and the communication connection can be realized, audio and video signals of the external electronic equipment can be transmitted to the HDMI conversion chip U9, the internal processing is carried out through the HDMI conversion chip U9, the original lossless uncompressed signals can be converted into high-definition HDMI standard audio and video signals which can be transmitted to the HDMI interface through the HDMI interface, the high-definition video display equipment with the corresponding interface can be transmitted through the HDMI interface, the problem that the handheld equipment and various different display equipment transmit the audio and video signals is solved, the adopted cable can meet the industrial specification, the transmission of the high-definition audio and video signals is supported, the requirement of large-space ultrahigh-definition video playing is met, the stability is good, meanwhile, the TYPE-C female seat U10 can be connected with an external adapter, the circuit communication between a power supply circuit and the external adapter can be realized, and the independent, the long-time working playing requirement and the charging requirement of the electronic equipment can be met.

In the foregoing, specifically, the TYPE-C processing chip U11 may monitor and regulate the TYPE-C female seat U10 and the TYPE-C male seat U7, for example, detect a communication condition between the TYPE-C female seat U10 and an external adaptor, perform power management control on the power supply circuit, and the like, for example, when the TYPE-C male seat U7 is connected to a notebook computer and the TYPE-C female seat U10 is not connected to the external adaptor, a pin corresponding to the TYPE-C processing chip U11 may detect a signal (high level or low level), and then the TYPE-C processing chip U11 may communicate with the notebook computer, and the notebook computer outputs a 5V power supply first and then outputs an audio/video signal; when the female seat U10 of TYPE-C is connected with outside adapter, but the signal (low level or high level) can be detected to the pin that the chip U11 is handled to TYPE-C, and then the chip U11 is handled to TYPE-C can communicate with the notebook computer, and the notice notebook computer closes 5V power and audio and video signal output, then cuts in the power input of adapter through supply circuit, and the notice notebook computer charges and output audio and video signal.

Specifically, the TYPE of the TYPE-C processing chip U11 is VL102, and the TYPE of the HDMI conversion chip U9 is PS 176.

As a preferred aspect of the present invention, the power supply circuit includes a first branch connected to the G1-P1-SW pin of the TYPE-C processing chip U11 and a second branch connected to the G3-P2-SW pin of the TYPE-C processing chip U11U 11.

pins

1, 2 and 3 of the voltage stabilization IC chip Q10 are connected to the

pins

1, 2 and 3 of the voltage stabilization IC chip Q19, respectively.

In the foregoing, specifically, through the arrangement of the first branch and the second branch, the voltage-stabilizing IC chips Q9 and Q10 may perform a voltage-stabilizing function, the

pins

5 and 1, 2, 3 of the voltage-stabilizing IC chips Q9 and Q10 may perform a power supply function, and meanwhile, the NMOS transistors Q11 and Q12 may perform a turn-on and turn-off function, so that the pin for the TYPE-C processing chip U11 receives a corresponding level signal. For example, when the TYPE-C female socket U10 is connected to an adapter not external, the voltage-stabilizing IC chip Q9 has no power input, the NMOS transistor Q9 has no power input and is in an off state, the G1-P1-SW pin of the TYPE-C processing chip U11 receives a low level signal, the TYPE-C processing chip U11 notifies an external electronic device to output a 5V power, the voltage-stabilizing IC chip Q10 has a pin 5 input, the Q11 is in an on state, and the G3-P2-SW pin of the TYPE-C processing chip U11 receives a high level signal.

In summary, the PD-chargeable TYPE-C to HDMI interface device includes a TYPE-C female socket U10, a TYPE-C male socket U7, a TYPE-C processing chip U11, an HDMI interface, an HDMI conversion chip U9, and a power supply circuit; after the TYPE-C male seat U7 is communicated with external electronic equipment, the electric connection and the communication connection can be realized, audio and video signals of the external electronic equipment can be transmitted to the HDMI conversion chip U9, the internal processing is carried out through the HDMI conversion chip U9, the original lossless uncompressed signals can be converted into high-definition HDMI standard audio and video signals which can be transmitted to the HDMI interface through the HDMI interface, the high-definition video display equipment with the corresponding interface can be transmitted through the HDMI interface, the problem that the handheld equipment and various different display equipment transmit the audio and video signals is solved, the adopted cable can meet the industrial specification, the transmission of the high-definition audio and video signals is supported, the requirement of large-space ultrahigh-definition video playing is met, the stability is good, meanwhile, the TYPE-C female seat U10 can be connected with an external adapter, the circuit communication between a power supply circuit and the external adapter can be realized, and the independent, the long-time working playing requirement and the charging requirement of the electronic equipment can be met.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The interface device capable of converting TYPE-C into HDMI and capable of being PD charged is characterized by comprising a TYPE-C female seat U10, a TYPE-C male seat U7, an HDMI interface, a TYPE-C processing chip U11, an HDMI conversion chip U9 and a power supply circuit;

wherein, female seat U10 of TYPE-C is connected the power supply with outside adapter, the public seat U7 of TYPE-C with chip U11 is handled to TYPE-C and HDMI conversion chip U9 is connected, chip U11 is handled to TYPE-C with HDMI conversion chip U9 is connected, the public seat U7 of TYPE-C realizes communication connection with outside electronic equipment cooperation, female seat U10 of TYPE-C with chip U11 is handled to TYPE-C is connected, supply circuit with chip U11 is handled to TYPE-C is connected and accessible the cooperation of female seat U10 of TYPE-C is connected the power supply with outside adapter;

2. The PD-chargeable TYPE-C to HDMI interface apparatus of claim 1, wherein said TYPE-C processing chip U11 is model number VL 102.

3. The PD-chargeable TYPE-C to HDMI interface device of claim 2, wherein said HDMI converter chip U9 is model PS 176.

4. The PD-chargeable TYPE-C to HDMI interface device of claim 1, wherein said power supply circuit includes a first branch connected to a G1-P1-SW pin of said TYPE-C processing chip U11U11 and a second branch connected to a G3-P2-SW pin of said TYPE-C processing chip U11U 11.

5. The PD-chargeable TYPE-C to HDMI interface device according to claim 4, wherein said first branch comprises an NMOS tube Q12, a resistor R59 connected to the D pole of NMOS tube Q12, a resistor R46 connected to the other end of resistor R59, a resistor R47 connected to the other end of resistor R59, a capacitor C56 connected to the two ends of resistor R46 and resistor R47, and a voltage stabilizing IC chip Q9, the G pole of said NMOS tube is connected to the G1-P1-SW pin of said TYPE-C processing chip U11U11, the other end of R46 is connected to pin 4 of said voltage stabilizing IC chip Q9, the other end of said resistor R47 is connected to pins 1, 2 and 3 of said voltage stabilizing IC chip Q9, and pin 5 of said voltage stabilizing IC chip Q9 is connected to said TYPE-C female socket U10 for power supply.

6. The PD-chargeable TYPE-C to HDMI interface device of claim 5 wherein said second branch comprises an NMOS transistor Q11, a resistor R58 connected to the D pole of NMOS transistor Q11, a resistor R45 connected to the other end of resistor R58, a resistor R48 connected to the other end of resistor R58, a capacitor C57 connected to the two ends of resistor R45 and resistor R48, and a voltage stabilization IC chip Q10, the G pole of NMOS transistor Q11 is connected to the G3-P2-SW pin of U11, the other end of R45 is connected to pin 4 of voltage stabilization IC chip Q10, the other end of resistor R48 is connected to pins 1, 2 and 3 of voltage stabilization IC chip Q10, pin 5 of voltage stabilization IC chip Q10 is in communication with said TYPE-C pin 7, and pin 1, pin 2 and pin 3 of voltage stabilization IC chip Q10 are in communication with pin 1, pin 2 and pin 3 of voltage stabilization IC 19, 2 and 3 are connected.