CN218886501U

CN218886501U - USB-C docking station

Info

Publication number: CN218886501U
Application number: CN202223602540.6U
Authority: CN
Inventors: 张炜翔; 刘存平; 唐永书; 谢超记
Original assignee: Shenzhen Haiying Zhilian Industrial Co ltd
Current assignee: Shenzhen Haiying Zhilian Industrial Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-04-18
Anticipated expiration: 2032-12-27

Abstract

The utility model relates to a USB-C docking station, include: the device comprises ase:Sub>A hub controller chip, an Ethernet controller chip, ase:Sub>A USB central control chip, ase:Sub>A Type-C to HDMI/VGA datase:Sub>A converter, an RJ45 interface circuit, ase:Sub>A USB-A interface circuit, ase:Sub>A USB-C interface circuit, an HDMI interface circuit and ase:Sub>A VGA interface circuit; the concentrator controller chip is respectively electrically connected with the USB-C interface circuit, the Ethernet controller chip, the USB-A interface circuit and the USB central control chip, the Ethernet controller chip is electrically connected with the RJ45 interface circuit, the USB central control chip is electrically connected with the USB-A interface circuit and the Type-C to HDMI/VGA datase:Sub>A converter, and the Type-C to HDMI/VGA datase:Sub>A converter is electrically connected with the USB-C interface circuit, the HDMI interface circuit and the VGA interface circuit. The volume is small, and the device is more suitable for being applied to various equipment products with thin volume; forward and reverse blind plugging is supported; the device supports quick charging and bidirectional charging, can charge the device, can supply power to external equipment, supports a USB PD protocol, namely a power transmission protocol, and greatly improves the charging speed.

Description

USB-C docking station

Technical Field

The utility model relates to a docking station technical field, more specifically say, relate to a USB-C docking station.

Background

Docking StaTIon (Docking StaTIon) is mainly used for expanding digital devices with functions of notebook computers, and Docking StaTIon generally has multiple interfaces, and can be used for connecting more external devices, such as a usb disk, a large-screen display, a keyboard, a mouse, a scanner, and the like. The docking station can solve the problem that a self-contained interface of a notebook computer is not enough, and can enable a user to enjoy the convenience and comfort of a desktop computer in an office and can also play the portability of mobile office by using the docking station. Of course, the docking station may also extend the interface of the desktop computer and the server. Docking stations, also known as universal port replicators, enable users to convert notebook computers with limited USB and video interfaces into desktop computers with interfaces for a variety of applications in the office or home. A typical use case is to connect a notebook computer to a docking station to use a full size display, a full size keyboard, a premium speaker and an office printer.

USB Type-C expands depressed place mainly used Type-C interface function extension can conveniently realize applications such as Type-C extension USB3.0 interface, DP/VGA/HDMI display interface, type-C charging mouth. At present, the USB-C docking station is endlessly developed, but the expanding function is few, and the requirement of people on the function expansion of the USB-C docking station cannot be met.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in that current USB-C docking station is endless, but extends the function less, can not satisfy the demand that people extend to USB-C docking station function more and more.

To the above-mentioned defect of the prior art, the utility model provides a USB-C docking station, include:

the device comprises ase:Sub>A hub controller chip, an Ethernet controller chip, ase:Sub>A USB central control chip, ase:Sub>A Type-C to HDMI/VGA datase:Sub>A converter, an RJ45 interface circuit, ase:Sub>A USB-A interface circuit, ase:Sub>A USB-C interface circuit, an HDMI interface circuit and ase:Sub>A VGA interface circuit;

the concentrator controller chip is electrically connected with the USB-C interface circuit, the Ethernet controller chip, the USB-A interface circuit and the USB central control chip respectively, the Ethernet controller chip is electrically connected with the RJ45 interface circuit, the USB central control chip is electrically connected with the USB-A interface circuit and the Type-C to HDMI/VGA datase:Sub>A converter, and the Type-C to HDMI/VGA datase:Sub>A converter is electrically connected with the USB-C interface circuit, the HDMI interface circuit and the VGA interface circuit.

Preferably, the USB-ase:Sub>A interface circuit includes: the USB interface circuit comprises ase:Sub>A first USB-A interface circuit, ase:Sub>A second USB-A interface circuit and ase:Sub>A third USB-A interface circuit.

Preferably, the hub controller chip includes: any one of GL3510-OSY52, GL3510-OSY51, VL817 and VL 822.

Preferably, the ethernet controller chip includes: RTL8153B-VB-CG or AX88179AQF QFN40.

Preferably, the USB central control chip includes: GL850S-28 or FE1.1S QFN24.

Preferably, the Type-C to HDMI/VGA data converter includes: AG9320 or RTD2172U.

Preferably, the RJ45 interface circuit includes: pin 1 of the monolithic buck switching regulator U8 is connected to one end of the capacitor C130, one end of the capacitor C131, one end of the capacitor C132, pin 4 of the monolithic buck switching regulator U8, pin 3 of the monolithic buck switching regulator U8 is connected to one end of the inductor L3, pin 5 of the monolithic buck switching regulator U8 is connected to one end of the resistor R111, one end of the capacitor C140, and one end of the resistor R110, the other end of the inductor L3 is connected to one end of the capacitor C135, one end of the capacitor C136, one end of the capacitor C137, one end of the capacitor C138, one end of the capacitor C139, the other end of the resistor R110, and the other end of the capacitor C140.

Preferably, the HDMI interface circuit includes an HPD detection circuit, and the HPD detection circuit includes:

pin 1 of the field effect transistor Q6 is connected to one end of the resistor R153 and pin 3 of the field effect transistor Q7, pin 2 of the field effect transistor Q6 is connected to pin 2 of the field effect transistor Q7 and grounded, pin 3 of the field effect transistor Q6 is connected to one end of the resistor R155 and one end of the resistor R152, the other end of the resistor R152 is connected to the other end of the resistor R153, and pin 1 of the field effect transistor Q7 is connected to one end of the resistor R156 and one end of the resistor R154, respectively.

Preferably, the HDMI port interface circuit includes: pin 19 of HDMI interface J7 is connected with one end of resistance R150, pin 18 of HDMI interface J7 is connected with one end of electric capacity C197, the positive pole of diode D47 respectively, pin 14 of HDMI interface J7 is connected with one end of resistance R147, pin 16 of HDMI interface J7 is connected with one end of resistance R146, one end of resistance R139, one end of magnetic bead FB15 respectively, pin 15 of HDMI interface J7 is connected with one end of resistance R142, the other end of resistance R139 respectively.

Preferably, the VGA interface circuit includes: pin 15 of VGA interface J6 is connected with one end of resistance R130, one end of resistance R126 respectively, pin 12 of VGA interface J6 is connected with one end of resistance R129, one end of resistance R128 respectively, and one end of magnetic bead FB13 is connected with the other end of resistance R126, the other end of resistance R128, the negative pole of diode D49 respectively.

Implement the utility model discloses a USB-C docking station has following beneficial effect: by arranging ase:Sub>A hub controller chip, an Ethernet controller chip, ase:Sub>A USB central control chip, ase:Sub>A Type-C to HDMI/VGA datase:Sub>A converter, an RJ45 interface circuit, ase:Sub>A USB-A interface circuit, ase:Sub>A USB-C interface circuit, an HDMI interface circuit and ase:Sub>A VGA interface circuit, ase:Sub>A USB-C signal is input, and three paths of USB-A signals, one path of HDMI signal, one path of VGA signal and one path of RJ45 signal are output; an HDMI (high-definition multimedia interface) (single-screen display), a VGA (single-screen display) and an HDMI/VGA (dual-screen simultaneous display) video interface is provided, a gigabit Ethernet can be connected through an RJ45 port, and the system is compatible with a Windows/macOS/Linux operating system; the USB-C docking station has small volume, compared with the conventional USB-A docking station, the USB-C docking station greatly reduces the arease:Sub>A of the docking station, and is more suitable for various thin equipment products; the forward and reverse blind plugging is supported, and the trouble that the USB is always plugged inaccurately is eliminated; the USB power supply device supports quick charging and bidirectional charging, can supply power bidirectionally, can charge equipment and supply power to external equipment, supports a USB PD protocol, namely a power transmission protocol, and greatly improves the charging speed.

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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts. The invention will be further described with reference to the accompanying drawings and examples, in which:

fig. 1 is a schematic structural diagram of the USB-C docking station of the present invention;

fig. 2 is a schematic structural diagram of a preferred embodiment of the USB-C docking station of the present invention;

fig. 3 is a circuit diagram of a hub controller chip GL3510-OSY52 used in the USB-C docking station of the present invention;

fig. 4 is a circuit diagram of an ethernet controller chip RTL8153B-VB-CG used in the USB-C docking station of the present invention;

fig. 5 is a circuit diagram of a Type-C to HDMI/VGA data converter AG9320 used in the USB-C docking station of the present invention;

fig. 6 is a circuit diagram of an RJ45 interface circuit used in the USB-C docking station of the present invention;

fig. 7 is a circuit diagram of the HPD detection circuit in the HDMI interface circuit used in the USB-C docking station of the present invention;

fig. 8 is a schematic diagram of the HDMI terminal connection in the HDMI port interface circuit used in the USB-C docking station of the present invention;

fig. 9 is a circuit diagram of a VGA interface circuit used in the USB-C docking station of the present invention;

fig. 10 is a schematic diagram of a connection scenario of the USB-C docking station of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, back, 8230; etc.) are involved in the embodiment of the present invention, the directional indications are only used for explaining the relative positional relationship between the components, the motion situation, etc. in a specific posture (as shown in the figure), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Please refer to fig. 1, which is a schematic structural diagram of the USB-C docking station of the present invention. As shown in fig. 1, a USB-C docking station according to a first embodiment of the present invention at least includes:

the concentrator controller chip is electrically connected with the USB-C interface circuit, the Ethernet controller chip, the USB-A interface circuit and the USB central control chip respectively, the Ethernet controller chip is also electrically connected with the RJ45 interface circuit, the USB central control chip is also electrically connected with the USB-A interface circuit and the Type-C to HDMI/VGA datase:Sub>A converter, and the Type-C to HDMI/VGA datase:Sub>A converter is also electrically connected with the USB-C interface circuit, the HDMI interface circuit and the VGA interface circuit.

Fig. 2 is a schematic structural diagram of a preferred embodiment of the USB-C docking station of the present invention. In some alternative implementations of this embodiment, the hub controller chip includes, but is not limited to: any one of GL3510-OSY52, GL3510-OSY51, VL817 and VL822, wherein GL3510-OSY52 is selected in the embodiment. Fig. 3 is a circuit diagram of a hub controller chip GL3510-OSY52 used in the USB-C docking station of the present invention. As shown in FIG. 3, genesys GL3510-OSY52 is a 4-port, low power, configurable hub controller. It conforms to the USB 3.1 specification. GL3510-OSY52 integrates the USB 3.1Gen 1 ultra-high speed transmitter/receiver physical layer (PHY) and the USB2.0 high speed PHY, which were independently developed by Genesys Logic. It supports ultra-high speed, high-speed and full-speed USB connections and is fully backward compatible with all USB2.0 and USB1.1 hosts. 5V to 3.3V and 5V to 1.2V voltage regulators are built in the GL3510-OSY52, BOM cost of customers can be saved, and PCB design is simplified. GL3510-OSY52 has a native quick charging function, conforms to the USB-IF battery charging specification rev1.2, and can quickly charge Apple, samsung Galaxy equipment and any equipment complaint of BC 1.2/1.1. It also allows the portable device to draw up to 1.5A of current from the GL3510 charging downstream port (CDP 1) or dedicated charging port (DCP 2). It allows the system to quickly charge the handheld device even in sleep and power off modes.

In some optional implementations of this embodiment, the ethernet controller chip includes, but is not limited to: RTL8153B-VB-CG or AX88179AQF QFN40, with RTL8153B-VB-CG being the preferred embodiment. Fig. 4 is a circuit diagram of an ethernet controller chip RTL8153B-VB-CG used in the USB-C docking station of the present invention. As shown in FIG. 4, the RTL8153B-VB-CG Ethernet controller chip integrates 10/100/1000M, applies USB3.0, and is suitable for a plurality of sub-market desktops, mobile devices, workstations, servers, communication platforms, docking stations, embedded applications and the like. RTL8153B-VB-CG is a USB to LAN network card chip that Realtek has introduced for the ultrabook, tablet, industrial computer, and motherboard markets. In short, the USB network card is used as the master control.

In some optional implementations of this embodiment, the USB central control chip includes, but is not limited to: GL850S-28/NC or FE1.1S QFN24, and GL850S-28/NC is selected in the embodiment. GL850 is a 4-port standard USB hub controller, which complies with the USB2.0 standard. Both to USB1.1host/hub and to USB2.0 host/hub. When GL850 is connected to USB1.1host/hub, it operates in the USB1.1 standard, where the upstream port will transmit data at full speed (12 Mbps) and the downstream port at full or low speed. When GL850 is connected to host/hub of USB2.0, it acts as a hub for USB2.0, the upstream port will transfer data at high speed (480 Mbps) and the downstream port at high speed, full speed, or low speed.

An 8-bit RISC processor is embedded inside to manipulate the chip contents' control/status register and to make a response to requests from the usb host.

Firmware inside the GL850 chip can control GPIO of the chip to access data of an external EEPROM, and then PID and VID information inside the EEPROM are fed back to host. If there is no external EEPROM, GL850 will feed back host default settings in internal ROM.

The GL850 enables a user to flexibly design a power supply mode, which can be designed as self-power supply, bus power supply, and individual/gapped mode (one is to supply power to each port individually, and the other is to supply power to 4 ports as a group to promote uniform power supply). The selection of these functions is operated through the I/O port of the GL 850.

In some optional implementations of this embodiment, the Type-C to HDMI/VGA data converter includes, but is not limited to: AG9320 or RTD2172U, this example selects AG9320. Fig. 5 is a circuit diagram of a Type-C to HDMI/VGA data converter AG9320 used in the USB-C docking station of the present invention. As shown in fig. 5, the AG9320 integrates an SD TV/HDTV encoder, a three-path DAC and an IIS/SPDIF audio output path, and the single chip simultaneously supports all functions of converting USB Type-C DisplayPort to HDMI and VGA, etc. emulation display interfaces. AG9320 provides 88pinQFN (10 x10 mm) form packages. And the integrated voltage and current detection ADC module supports audio and video output. In order to support functions of analyzing interface hot plug detection/display EDID in audio/video conversion, monitoring and controlling in charging/reverse charging processes, dynamically adjusting related modules in a chip and the like in application, the AG9320 integrates a mature micro-processing unit and runs a firmware program to ensure that related functions are stably and reliably realized.

In some optional implementations of this embodiment, the USB-ase:Sub>A interface circuit includes: the USB interface circuit comprises ase:Sub>A first USB-A interface circuit, ase:Sub>A second USB-A interface circuit and ase:Sub>A third USB-A interface circuit. The first USB-ase:Sub>A interface circuit, the second USB-ase:Sub>A interface circuit, and the third USB-ase:Sub>A interface circuit may all adopt USB-ase:Sub>A interface circuits that are common in the prior art, and are not described herein again. The USB-C interface circuit may also be a USB-C interface circuit commonly used in the prior art, and will not be described herein.

And the RJ45 interface circuit is used for converting the processed signals into RJ45 signals and outputting the RJ45 signals. Fig. 6 is a circuit diagram of an RJ45 interface circuit used in the USB-C docking station of the present invention. As shown in fig. 6, the RJ45 interface circuit includes: pin 1 of the monolithic buck switching regulator U8 is connected to one end of the capacitor C130, one end of the capacitor C131, one end of the capacitor C132, pin 4 of the monolithic buck switching regulator U8, pin 3 of the monolithic buck switching regulator U8 is connected to one end of the inductor L3, pin 5 of the monolithic buck switching regulator U8 is connected to one end of the resistor R111, one end of the capacitor C140, and one end of the resistor R110, the other end of the inductor L3 is connected to one end of the capacitor C135, one end of the capacitor C136, one end of the capacitor C137, one end of the capacitor C138, one end of the capacitor C139, the other end of the resistor R110, and the other end of the capacitor C140.

The HDMI interface circuit comprises an HDM differential signal filter circuit, an ESD protection circuit, a DDC circuit and an HPD detection circuit which are electrically connected, and the HDMI signal output is realized. The HDM differential signal filter circuit, the ESD protection circuit, and the DDC circuit may all be implemented by circuits in the prior art, and are not described herein again. Fig. 7 is a circuit diagram of the HPD detection circuit in the HDMI interface circuit used in the USB-C docking station. As shown in fig. 7, the HPD detection circuit includes: pin 1 of the field effect transistor Q6 is connected to one end of the resistor R153 and pin 3 of the field effect transistor Q7, pin 2 of the field effect transistor Q6 is connected to pin 2 of the field effect transistor Q7 and grounded, pin 3 of the field effect transistor Q6 is connected to one end of the resistor R155 and one end of the resistor R152, the other end of the resistor R152 is connected to the other end of the resistor R153, and pin 1 of the field effect transistor Q7 is connected to one end of the resistor R156 and one end of the resistor R154, respectively. Fig. 8 is a schematic diagram of the HDMI terminal connection in the HDMI interface circuit used in the USB-C docking station of the present invention. As shown in fig. 8, the HDMI interface circuit further includes: pin 19 of HDMI interface J7 is connected to one end of resistor R150, pin 18 of HDMI interface J7 is connected to one end of capacitor C197 and the positive electrode of diode D47, pin 14 of HDMI interface J7 is connected to one end of resistor R147, pin 16 of HDMI interface J7 is connected to one end of resistor R146, one end of resistor R139 and one end of magnetic bead FB15, and pin 15 of HDMI interface J7 is connected to one end of resistor R142 and the other end of resistor R139.

The VGA interface circuit can comprise a VGA signal filter circuit, an ESD protection circuit and a DDC circuit which are electrically connected, so that VGA signals are output. The VGA signal filter circuit, the ESD protection circuit, and the DDC circuit may all adopt circuits commonly used in the prior art, and are not described herein again. Fig. 9 is a circuit diagram of a VGA interface circuit used in the USB-C docking station of the present invention. As shown in fig. 9, the VGA interface circuit includes: pin 15 of VGA interface J6 is connected with one end of resistance R130, one end of resistance R126 respectively, pin 12 of VGA interface J6 is connected with one end of resistance R129, one end of resistance R128 respectively, and one end of magnetic bead FB13 is connected with the other end of resistance R126, the other end of resistance R128, the negative pole of diode D49 respectively.

Fig. 10 is a schematic diagram of a connection scenario of the USB-C docking station of the present invention. As shown in fig. 10, the USB-C docking station of the present invention is an application scene diagram, the USB-C docking station of the present invention, the USB-C input signal can be from ase:Sub>A notebook computer, and the three USB-ase:Sub>A ports of the output can be respectively connected to ase:Sub>A USB disk, ase:Sub>A mouse, ase:Sub>A keyboard, ase:Sub>A mobile hard disk, etc.; one output HDMI port can be connected with a television, a display, a projector and the like, and one output VGA port can be connected with the television, the display, the projector and the like; one output RJ45 port can be connected with a gigabit network.

The utility model discloses a design of above embodiment, its beneficial effect is: by arranging ase:Sub>A concentrator controller chip, an Ethernet controller chip, ase:Sub>A USB central control chip, ase:Sub>A Type-C to HDMI/VGA datase:Sub>A converter, an RJ45 interface circuit, ase:Sub>A USB-A interface circuit, ase:Sub>A USB-C interface circuit, an HDMI interface circuit and ase:Sub>A VGA interface circuit, ase:Sub>A USB-C signal is input, and three paths of USB-A signals, one path of HDMI signal, one path of VGA signal and one path of RJ45 signal are output; the method comprises the following steps of providing HDMI (single-screen display), VGA (single-screen display) and HDMI/VGA (dual-screen simultaneous display) video interfaces, connecting gigabit Ethernet through RJ45 ports, and being compatible with a Windows/macOS/Linux operating system; the USB-C docking station has ase:Sub>A compact structure and ase:Sub>A small volume, compared with the conventional USB-A docking station, the USB-C docking station greatly reduces the arease:Sub>A of the docking station, and is more suitable for various thin equipment products; the forward and reverse blind plugging is supported, and the trouble that the USB is always plugged inaccurately is eliminated; the USB power supply device supports quick charging and bidirectional charging, can supply power bidirectionally, can charge equipment and supply power to external equipment, supports a USB PD protocol, namely a power transmission protocol, and greatly improves the charging speed.

While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the invention. Furthermore, for adaptation the utility model discloses the specific occasion of technique can be right the utility model discloses carry out a great deal of modification and do not deviate from its scope of protection. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. A USB-C docking station, comprising:

the device comprises ase:Sub>A hub controller chip, an Ethernet controller chip, ase:Sub>A USB central control chip, ase:Sub>A Type-C to HDMI/VGA datase:Sub>A converter, an RJ45 interface circuit, ase:Sub>A USB-A interface circuit, ase:Sub>A USB-C interface circuit, an HDMI interface circuit and ase:Sub>A VGA interface circuit, wherein the hub controller chip is connected with the Ethernet controller chip;

the hub controller chip is electrically connected with the USB-C interface circuit, the Ethernet controller chip, the USB-A interface circuit and the USB central control chip respectively, the Ethernet controller chip is also electrically connected with the RJ45 interface circuit, the USB central control chip is also electrically connected with the USB-A interface circuit and the Type-C to HDMI/VGA datase:Sub>A converter, and the Type-C to HDMI/VGA datase:Sub>A converter is also electrically connected with the USB-C interface circuit, the HDMI interface circuit and the VGA interface circuit.

2. The USB-C docking station of claim 1, wherein the USB-ase:Sub>A interface circuitry comprises: the first USB-A interface circuit, the second USB-A interface circuit and the third USB-A interface circuit.

3. The USB-C docking station according to claim 1, wherein the hub controller chip comprises: any one of GL3510-OSY52, GL3510-OSY51, VL817 and VL 822.

4. The USB-C docking station according to claim 1, wherein the ethernet controller chip comprises: RTL8153B-VB-CG or AX88179AQF QFN40.

5. The USB-C docking station of claim 1, wherein the USB central control chip comprises: GL850S-28 or FE1.1S QFN24.

6. The USB-C docking station according to claim 1, wherein the Type-C to HDMI/VGA data converter comprises: AG9320 or RTD2172U.

7. The USB-C docking station according to claim 1, wherein the RJ45 interface circuit comprises:

pin 1 of the monolithic step-down switching regulator U8 is connected to one end of the capacitor C130, one end of the capacitor C131, one end of the capacitor C132, pin 4 of the monolithic step-down switching regulator U8, pin 3 of the monolithic step-down switching regulator U8 is connected to one end of the inductor L3, pin 5 of the monolithic step-down switching regulator U8 is connected to one end of the resistor R111, one end of the capacitor C140, and one end of the resistor R110, the other end of the inductor L3 is connected to one end of the capacitor C135, one end of the capacitor C136, one end of the capacitor C137, one end of the capacitor C138, one end of the capacitor C139, the other end of the resistor R110, and the other end of the capacitor C140.

8. The USB-C docking station according to any of claims 1 to 7, wherein the HDMI port interface circuit comprises an HPD detection circuit, the HPD detection circuit comprising:

pin 1 of the field effect transistor Q6 is connected to one end of the resistor R153 and pin 3 of the field effect transistor Q7, pin 2 of the field effect transistor Q6 is connected to pin 2 of the field effect transistor Q7 and grounded, pin 3 of the field effect transistor Q6 is connected to one end of the resistor R155 and one end of the resistor R152, the other end of the resistor R152 is connected to the other end of the resistor R153, and pin 1 of the field effect transistor Q7 is connected to one end of the resistor R156 and one end of the resistor R154.

9. The USB-C docking station of claim 8, wherein the HDMI port interface circuit comprises: pin 19 of HDMI interface J7 is connected to one end of resistor R150, pin 18 of HDMI interface J7 is connected to one end of capacitor C197 and the positive electrode of diode D47, pin 14 of HDMI interface J7 is connected to one end of resistor R147, pin 16 of HDMI interface J7 is connected to one end of resistor R146, one end of resistor R139 and one end of magnetic bead FB15, and pin 15 of HDMI interface J7 is connected to one end of resistor R142 and the other end of resistor R139.

10. The USB-C docking station of claim 9, wherein the VGA interface circuit comprises:

pin 15 of VGA interface J6 is connected with one end of resistance R130, one end of resistance R126 respectively, pin 12 of VGA interface J6 is connected with one end of resistance R129, one end of resistance R128 respectively, and one end of magnetic bead FB13 is connected with the other end of resistance R126, the other end of resistance R128, the negative pole of diode D49 respectively.