CN214675402U - TYPE-C changes HDMI's conversion line - Google Patents
TYPE-C changes HDMI's conversion line Download PDFInfo
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- CN214675402U CN214675402U CN202121220703.7U CN202121220703U CN214675402U CN 214675402 U CN214675402 U CN 214675402U CN 202121220703 U CN202121220703 U CN 202121220703U CN 214675402 U CN214675402 U CN 214675402U
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Abstract
The utility model discloses a TYPE-C changes HDMI's conversion line, the circuit of this conversion line includes TYPE-C input interface module, HDMI high definition signal conversion module, power conversion circuit, alternative mode control module and HDMI high definition output interface module, power conversion circuit is including 5V-3.3V power conversion module and 5V-1.2V power conversion module, wherein 5V-1.2V power conversion module provides the power for HDMI high definition signal conversion module, 5V-3.3V power conversion module provides the power for HDMI high definition signal conversion module and alternative mode control module simultaneously; the alternate mode control module employs a chip VL 100. The utility model discloses a chip VL100 than 16 less pins of making perfect VL102AO chip to can simplify circuit structure, reduce pin welding work load, raise the efficiency, reduce cost. The power supply circuit is divided into a 5V-3.3V power supply conversion circuit and a 5V-1.2V power supply conversion circuit, so that the power supply is more accurate and the reliability is higher.
Description
Technical Field
The utility model relates to an electronic equipment accessory technical field especially relates to a realize TYPE-C changes high definition conversion line of HDMI.
Background
At present, the TYPE-C interface is more and more widely used and becomes the multifunctional interface protocol with the widest application at present. In practical application, electronic equipment with TYPE-C interfaces, such as mobile phones and tablets, often needs to be connected to an ultra-high-definition signal display device for playing, which is generally connected through other patch cords, and since the electronic equipment has high power and large power consumption when playing audio and video, users often need to additionally plug a power cord for charging, and the use is not convenient enough. Therefore, the PD-chargeable TYPE-C-to-HDMI interface device is invented by the inventor, which not only supports transmission of high-definition audio and video signals, meets the requirement of playing large-space ultrahigh-definition videos, but also can realize independent power supply and realize the requirement of playing electronic equipment for long-time work. However, the conventional TYPE-C to HDMI interface device has the problems of complicated circuit structure, insufficient circuit reliability, more chip pins, complicated welding operation and the like.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a TYPE-C changes HDMI's conversion line that circuit structure is more succinct, the reliability is higher, welding operation is more convenient.
In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides a TYPE-C changes HDMI's conversion line, the circuit of this conversion line is including TYPE-C input interface module, HDMI high definition signal conversion module, power conversion circuit, mode control module and HDMI high definition output interface module in turn, HDMI high definition signal conversion module, TYPE-C input interface module is connected respectively to power conversion circuit and mode control module in turn, power conversion circuit is connected respectively to HDMI high definition signal conversion module and mode control module in turn, HDMI high definition output interface module connects HDMI high definition signal conversion module, its characterized in that: the power conversion circuit comprises a 5V-3.3V power conversion module and a 5V-1.2V power conversion module, wherein the 5V-1.2V power conversion module provides power for the HDMI high-definition signal conversion module, and the 5V-3.3V power conversion module provides power for the HDMI high-definition signal conversion module and the alternate mode control module simultaneously; the alternating mode control module adopts an alternating mode control chip U6 with the model number VL100, the alternating mode control chip U6 is provided with 32 pins, and the alternating mode control of the USB Type-C DisplayPort ALT is realized through the alternating mode control chip U6; the 4 th pin, the 5 th pin, the 7 th pin, the 8 th pin, the 17 th pin and the 18 th pin of the alternating mode control chip U6 are respectively connected with the corresponding pins of the TYPE-C input interface module.
FM25F01 high definition signal conversion chip U1 of HDMI high definition signal conversion module's model is PS176, and its 13 th foot, 14 th foot, 16 feet, 17 feet and 19-23 th foot are connected with HDMI high definition output interface module respectively, and high definition signal conversion chip U1's 7 th foot, 8 feet, 38 feet, 39 feet, 41 feet, 42 feet, 44 feet, 45 feet, 47 feet and 48 feet are connected with TYPE-C input interface module respectively.
The HDMI high-definition signal conversion module is connected with the alternate mode control module through an independent signal connection module.
The chip VL100 is characterized by also comprising a software storage module, wherein the software storage module is used for providing storage support for the chip VL 100; the software storage module adopts a flash memory chip U3 with the model number FM25F01, and the 22 nd pin and the 29 th pin-32 th pin of the alternate mode control chip U6 are respectively connected with the corresponding pins of the flash memory chip U3; the flash memory chip U3 is powered by a 5V-3.3V power conversion module.
The peripheral circuit of the HDMI high-definition conversion module comprises a crystal oscillator Y1 and a reset circuit, and a 27MHz clock is provided for a high-definition signal conversion chip U1 through the crystal oscillator Y1.
The peripheral circuit of the alternating mode control module comprises a crystal oscillator X1, a reference voltage circuit and a reset circuit, and a 24MHz clock is supplied to the alternating mode control chip U6 through a crystal oscillator X1.
The power management chip U7 model that 5V-3.3V power conversion module adopted is XC6206, and its input is connected the 5V power that TYPE-C input interface module provided, and its output exports 3.3V DC power, provides chip PS176, chip VL100 and chip FM25F01 respectively.
The TYPE of a power management chip U2 adopted by the 5V-1.2V power supply conversion module is TD6810, the input end of the power management chip U2 is connected with a 5V power supply provided by the TYPE-C input interface module, and the output end of the power management chip U2 outputs a 1.2V direct-current power supply through an inductor L1 and directly provides the direct-current power supply for the chip PS 176.
The utility model discloses a chip VL100 realizes Type-C displayPort ALT alternating pattern, and the VL102AO chip of chip is handled as TYPE-C relatively in unison, and 16 less pins of chip VL100 to can simplify circuit structure, reduce pin welded work load, help improving production efficiency, reduce cost. Meanwhile, the power supply circuit is divided into a 5V-3.3V power supply conversion circuit and a 5V-1.2V power supply conversion circuit, so that the power supply is more accurate and the reliability is higher.
Drawings
FIG. 1 is a schematic diagram of the circuit architecture of the present invention;
FIG. 2 is a TYPE-C input interface module;
FIG. 3 is a HDMI high definition output interface module;
fig. 4 is an HDMI high definition signal conversion module;
FIG. 5 is a power conversion module of 5V to 3.3V, which provides power for PS176+ VL100+ flash rom chip;
FIG. 6 shows a 5V-1.2V power conversion module for providing power to the PS176 chip;
fig. 7 is a peripheral circuit of the HDMI high definition conversion module, which includes a crystal oscillator and a reset circuit;
fig. 8 shows a signal connection module, which implements communication signal connection between PS176 and VL 100;
FIG. 9 is a USB Type-C DisplayPort ALT alternate mode control chip VL 100;
fig. 10 is a peripheral circuit of the chip VL100, including a reference voltage, a crystal oscillator, and a reset circuit;
fig. 11 is a software memory module providing memory support for chip VL 100.
Detailed Description
In this embodiment, refer to fig. 1-11, TYPE-C changes HDMI's conversion line, the circuit of this conversion line is including TYPE-C input interface module, HDMI high definition signal conversion module, power conversion circuit, alternative mode control module and HDMI high definition output interface module, HDMI high definition signal conversion module, power conversion circuit and alternative mode control module connect TYPE-C input interface module respectively, HDMI high definition signal conversion module and alternative mode control module connect power conversion circuit respectively, HDMI high definition output interface module connects HDMI high definition signal conversion module, its characterized in that: the power conversion circuit comprises a 5V-3.3V power conversion module and a 5V-1.2V power conversion module, wherein the 5V-1.2V power conversion module provides power for the HDMI high-definition signal conversion module, and the 5V-3.3V power conversion module provides power for the HDMI high-definition signal conversion module and the alternate mode control module simultaneously; the alternating mode control module adopts an alternating mode control chip U6 with the model number VL100, the alternating mode control chip U6 is provided with 32 pins, and the alternating mode control of the USB Type-C DisplayPort ALT is realized through the alternating mode control chip U6; the 4 th pin, the 5 th pin, the 7 th pin, the 8 th pin, the 17 th pin and the 18 th pin of the alternating mode control chip U6 are respectively connected with the corresponding pins of the TYPE-C input interface module.
FM25F01 high definition signal conversion chip U1 of HDMI high definition signal conversion module's model is PS176, and its 13 th foot, 14 th foot, 16 feet, 17 feet and 19-23 th foot are connected with HDMI high definition output interface module respectively, and high definition signal conversion chip U1's 7 th foot, 8 feet, 38 feet, 39 feet, 41 feet, 42 feet, 44 feet, 45 feet, 47 feet and 48 feet are connected with TYPE-C input interface module respectively.
The HDMI high-definition signal conversion module is connected with the alternate mode control module through an independent signal connection module.
The chip VL100 is characterized by also comprising a software storage module, wherein the software storage module is used for providing storage support for the chip VL 100; the software storage module adopts a flash memory chip U3 with the model number FM25F01, and the 22 nd pin and the 29 th pin-32 th pin of the alternate mode control chip U6 are respectively connected with the corresponding pins of the flash memory chip U3; the flash memory chip U3 is powered by a 5V-3.3V power conversion module.
The peripheral circuit of the HDMI high-definition conversion module comprises a crystal oscillator Y1 and a reset circuit, and a 27MHz clock is provided for a high-definition signal conversion chip U1 through the crystal oscillator Y1.
The peripheral circuit of the alternating mode control module comprises a crystal oscillator X1, a reference voltage circuit and a reset circuit, and a 24MHz clock is supplied to the alternating mode control chip U6 through a crystal oscillator X1.
The power management chip U7 model that 5V-3.3V power conversion module adopted is XC6206, and its input is connected the 5V power that TYPE-C input interface module provided, and its output exports 3.3V DC power, provides chip PS176, chip VL100 and chip FM25F01 respectively.
The TYPE of a power management chip U2 adopted by the 5V-1.2V power supply conversion module is TD6810, the input end of the power management chip U2 is connected with a 5V power supply provided by the TYPE-C input interface module, and the output end of the power management chip U2 outputs a 1.2V direct-current power supply through an inductor L1 and directly provides the direct-current power supply for the chip PS 176.
The working process is as follows: when the TYPE-C input interface J4 has equipment access, the system is powered on (BUS _ 5V), 3.3V direct current power supply is output through the power management chip U7 (XC 6206), after filtering, 1.2V direct current power supply is output through the power management chip U2 (TD 6810), the power supply is provided for the high-definition signal conversion chip U1 (PS 176) to carry out a starting program, meanwhile, the crystal oscillator Y1 generates 27MHZ oscillation frequency, the high-definition signal conversion chip U1 starts to work, and then the alternating mode control chip U6 (VL 100) is started to work.
When the high-definition signal conversion chip U1 is powered on, the crystal oscillator X1 generates an oscillation frequency of 24MHZ, the peripheral reset circuit control end A3V3 of the alternate mode control module generates a starting voltage, and the alternate mode control chip U6 starts to work. Flash chip U3 provides software support for alternate mode control chip U6, monitors the TYPE-C input interface J4 for signal input, and if so, converts the signal to DP _ U via alternate mode control chip VL100 for processing by PS 176.
The chip VL100 converts the C signal into a DP signal that can be processed by the chip PS176, and then converts the DP signal into an HDMI signal, and outputs the HDMI signal to an HDMI interface, thereby implementing high-definition playing.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, i.e. the present invention is intended to cover all equivalent variations and modifications within the scope of the present invention.
Claims (8)
1. The utility model provides a TYPE-C changes HDMI's conversion line, the circuit of this conversion line is including TYPE-C input interface module, HDMI high definition signal conversion module, power conversion circuit, mode control module and HDMI high definition output interface module in turn, HDMI high definition signal conversion module, TYPE-C input interface module is connected respectively to power conversion circuit and mode control module in turn, power conversion circuit is connected respectively to HDMI high definition signal conversion module and mode control module in turn, HDMI high definition output interface module connects HDMI high definition signal conversion module, its characterized in that: the power conversion circuit comprises a 5V-3.3V power conversion module and a 5V-1.2V power conversion module, wherein the 5V-1.2V power conversion module provides power for the HDMI high-definition signal conversion module, and the 5V-3.3V power conversion module provides power for the HDMI high-definition signal conversion module and the alternate mode control module simultaneously; the alternating mode control module adopts an alternating mode control chip U6 with the model number of VL100, and realizes the control of the USB Type-C DisplayPort ALT alternating mode through an alternating mode control chip U6; the 4 th pin, the 5 th pin, the 7 th pin, the 8 th pin, the 17 th pin and the 18 th pin of the alternating mode control chip U6 are respectively connected with the corresponding pins of the TYPE-C input interface module.
2. A TYPE-C to HDMI converter wire according to claim 1, wherein: the model of HDMI high definition signal conversion chip U1 of HDMI high definition signal conversion module is PS176, and its 13 th foot, 14 th foot, 16 th foot, 17 th foot and 19-23 th foot are connected with HDMI high definition output interface module respectively, and high definition signal conversion chip U1's 7 th foot, 8 th foot, 38 feet, 39 feet, 41 feet, 42 feet, 44 feet, 45 feet, 47 feet and 48 feet are connected with TYPE-C input interface module respectively.
3. A TYPE-C to HDMI converter line according to claim 2, wherein: the HDMI high-definition signal conversion module is connected with the alternate mode control module through an independent signal connection module.
4. A TYPE-C to HDMI converter wire according to claim 3, wherein: the chip VL100 is characterized by also comprising a software storage module, wherein the software storage module is used for providing storage support for the chip VL 100; the software storage module adopts a flash memory chip U3 with the model number FM25F01, and the 22 nd pin and the 29 th pin-32 th pin of the alternate mode control chip U6 are respectively connected with the corresponding pins of the flash memory chip U3; the flash memory chip U3 is powered by a 5V-3.3V power conversion module.
5. A TYPE-C to HDMI converter line according to claim 2, wherein: the peripheral circuit of the HDMI high-definition conversion module comprises a crystal oscillator Y1 and a reset circuit, and a 27MHz clock is provided for a high-definition signal conversion chip U1 through the crystal oscillator Y1.
6. A TYPE-C to HDMI converter line according to claim 4, wherein: the peripheral circuit of the alternating mode control module comprises a crystal oscillator X1, a reference voltage circuit and a reset circuit, and a 24MHz clock is supplied to the alternating mode control chip U6 through a crystal oscillator X1.
7. A TYPE-C to HDMI converter wire according to claim 1, wherein: the power management chip U7 model that 5V-3.3V power conversion module adopted is XC6206, and its input is connected the 5V power that TYPE-C input interface module provided, and its output exports 3.3V DC power.
8. A TYPE-C to HDMI converter wire according to claim 1, wherein: the model of the power management chip U2 that 5V-1.2V power conversion module adopted is TD6810, and its input is connected the 5V power that TYPE-C input interface module provided, and its output passes through inductance L1 output 1.2V DC power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121220703.7U CN214675402U (en) | 2021-06-02 | 2021-06-02 | TYPE-C changes HDMI's conversion line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121220703.7U CN214675402U (en) | 2021-06-02 | 2021-06-02 | TYPE-C changes HDMI's conversion line |
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| Publication Number | Publication Date |
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| CN214675402U true CN214675402U (en) | 2021-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121220703.7U Active CN214675402U (en) | 2021-06-02 | 2021-06-02 | TYPE-C changes HDMI's conversion line |
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| CN (1) | CN214675402U (en) |
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- 2021-06-02 CN CN202121220703.7U patent/CN214675402U/en active Active
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