Multifunctional switching TYPE-C intelligent data line
By designing a multi-function switched Type-C intelligent data cable, and using the main control module to automatically identify device needs and adjust voltage and current, the problem of the existing Type-C data cable lacking intelligent management capabilities is solved, efficient device charging and data transmission is achieved, and user experience and resource utilization efficiency is improved.
Patent Information
- Application Number
- CN202510252912.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-04
- Publication Date
- 2025-06-06
AI Technical Summary
The existing Type-C data cable lacks intelligent management capabilities and cannot automatically adjust the function according to the needs of connected devices, resulting in unreasonable resource allocation when multiple devices are used simultaneously, poor user experience and low resource utilization efficiency.
A multi-function switching Type-C intelligent data cable is designed, including a connection module, a switching module, a main control module, an indicator module and a power supply module. The main control module automatically recognizes the needs of the connected device, adjusts the output voltage and current, and switches functions through key switches and indicator modules.
It automatically identifies device requirements and dynamically adjusts voltage and current, ensuring that each device has the best charging experience, simplifies usage processes, improves convenience, and realizes the transmission of high-definition audio and video signals without sacrificing other functions.
Smart Images

Figure CN120109595A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of consumer electronic accessories, in particular to a multifunctional switching TYPE-C intelligent data cable. Background Art
[0002] In recent years, the USB Type-C interface has rapidly become one of the standard configurations for mobile devices such as smartphones, tablets, and even laptops due to its bidirectional pluggable design, higher transmission rate (up to 40Gbps), and powerful power transmission capability (maximum power supply power exceeds 100W). However, despite the various potential functions of the Type-C interface, most existing Type-C data cables are limited to providing basic data transmission and charging services at a fixed power level, failing to fully utilize its full potential.
[0003] The Chinese invention patent with publication number CN117375152A discloses a Type-C slave charging and data transmission switching device. The device includes a Type-C lead module, a USB lead module and a relay module; the relay module includes a first relay module, a second relay module and a third relay module, and the first relay module, the second relay module and the third relay module are all connected to the Type-C lead module and the USB lead module; the three relay modules can switch the charging state and the data transmission state of the Type-C slave. The device uses a relay to switch the Type-C slave between the charging state and the data transmission state, and can also simulate the unplugging and plugging of the Type-C data cable from the device, reducing the number of physical plug-ins and unplugs, reducing device losses, and increasing the service life of the Type-C interface.
[0004] Although the above-mentioned and similar TYPE-C data cables can power multiple devices at the same time, they lack intelligent management capabilities and cannot automatically adjust functions according to the needs of connected devices. In addition, there is an unreasonable resource allocation problem when multiple devices are used at the same time, resulting in poor user experience and inefficient resource utilization. Summary of the invention
[0005] The object of the present invention is to provide a TYPE-C intelligent data cable with multi-function switching to solve the problems raised in the above background technology.
[0006] To achieve the above object, the present invention provides the following technical solution: a multifunctional switching TYPE-C intelligent data cable, comprising:
[0007] A connection module is electrically connected to an external device;
[0008] Switching module, switch functions through key switches;
[0009] A main control module, which determines the operating state of the switching module according to the state of the key switch;
[0010] The indication module displays the current functional status according to the switched function;
[0011] The connection module is electrically connected to the main control module and the switching module, and the main control module is electrically connected to the switching module, the indication module and the power supply module, and the power supply module provides power supply voltage for the connection module, the switching module, the main control module and the indication module.
[0012] Furthermore, the connection module includes a connector CN1 and a connector CN2, and the connector CN1 and the connector CN2 are electrically connected to the switching module. At the same time, the main control module includes a control chip U3, and the control chip U3 is electrically connected to the power supply module, connector CN1, connector CN2, the switching module and the indication module.
[0013] Furthermore, port 1, port 2, port 3 and port 4 of the connector CN1 are all electrically connected to the VIN port, port 5, port 6, port 9, port 10, port 11, port 12, port 13, port 14, port 15, port 16, port 17 and port 18 of the connector CN1 are all electrically connected to the switching module, port 19 of the connector CN1 is electrically connected to port 15 of the control chip U3, port 20 of the connector CN1 is electrically connected to port 16 of the control chip U3, and port 21, port 22, port 23 and port 24 of the connector CN1 are all grounded;
[0014] Port 1, port 2, port 3 and port 4 of the connector CN2 are all electrically connected to the VOUT port, port 5, port 6, port 9, port 10, port 11, port 12, port 13, port 14, port 15, port 16, port 17 and port 18 of the connector CN2 are all electrically connected to the switching module, port 19 of the connector CN2 is electrically connected to port 12 of the control chip U3, port 20 of the connector CN2 is electrically connected to port 11 of the control chip U3, and port 21, port 22, port 23 and port 24 of the connector CN2 are all grounded.
[0015] Furthermore, the port 1 and the port 2 of the control chip U3 are electrically connected to the key switch J3, the port 3 of the control chip U3 is electrically connected to the OE1 port, the port 4 of the control chip U3 is electrically connected to the OE2 port, the port 7 of the control chip U3 is electrically connected to the LED1 port, the port 8 of the control chip U3 is electrically connected to the LED2 port, the port 9 of the control chip U3 is electrically connected to the LED3 port, the port 10 of the control chip U3 is electrically connected to the switching module, and the port 14 of the control chip U3 is electrically connected to the +3.3V port and the capacitor C3. , ports 17 and 18 of the control chip U3 are electrically connected to the reset switch J4, port 19 of the control chip U3 is electrically connected to the SEL6 port, port 20 of the control chip U3 is electrically connected to the SEL5 port, port 21 of the control chip U3 is electrically connected to the SEL4 port, port 22 of the control chip U3 is electrically connected to the SEL3 port, port 23 of the control chip U3 is electrically connected to the SEL2 port, port 24 of the control chip U3 is electrically connected to the SEL1 port, and port 13 of the control chip U3 and capacitor C3 are both grounded.
[0016] Furthermore, the switching module includes:
[0017] A data switching unit, which switches the state of data transmission;
[0018] An expansion line switching unit switches the conduction state of the expansion line;
[0019] A power line switching unit switches the conduction state of the power line;
[0020] The data switching unit and the expansion line switching unit are both electrically connected to the connector CN1 and the connector CN2, and the power line switching unit is electrically connected to the control chip U3.
[0021] Furthermore, the data switching unit includes an analog switch chip U4, wherein port 1 of the analog switch chip U4 is electrically connected to port 5 of the connector CN1, port 2 of the analog switch chip U4 is electrically connected to port 6 of the connector CN1, port 3 of the analog switch chip U4 is electrically connected to port SEL1, port 4 of the analog switch chip U4 is electrically connected to port 9 of the connector CN1, port 5 of the analog switch chip U4 is electrically connected to port 10 of the connector CN1, port 6 of the analog switch chip U4 is electrically connected to port SEL2, port 7 of the analog switch chip U4 is electrically connected to port 11 of the connector CN1, and port 8 of the analog switch chip U4 is electrically connected to port SEL1. The analog switch chip U4 is electrically connected to the port 12 of the connector CN1, the port 9 of the analog switch chip U4 is electrically connected to the port SEL3, the port 10 of the analog switch chip U4 is electrically connected to the port 13 of the connector CN1, the port 11 of the analog switch chip U4 is electrically connected to the port 14 of the connector CN1, the port 12 of the analog switch chip U4 is electrically connected to the port SEL4, the port 13 of the analog switch chip U4 is electrically connected to the port 15 of the connector CN1, the port 14 of the analog switch chip U4 is electrically connected to the port 16 of the connector CN1, the port 15 of the analog switch chip U4 is electrically connected to the port SEL5, and the port 16 of the analog switch chip U4 is grounded;
[0022] The 17th port of the analog switch chip U4 is electrically connected to the capacitor C5 and the +3.3V port, and the capacitor C5 is grounded. At the same time, the 18th port of the analog switch chip U4 is electrically connected to the 0E1 port, the 19th port of the analog switch chip U4 is electrically connected to the 16th port of the connector CN2, the 20th port of the analog switch chip U4 is electrically connected to the 15th port of the connector CN2, the 22nd port of the analog switch chip U4 is electrically connected to the 14th port of the connector CN2, and the 23rd port of the analog switch chip U4 is electrically connected to the Port 13, port 25 of the analog switch chip U4 is electrically connected to port 12 of connector CN2, port 26 of the analog switch chip U4 is electrically connected to port 11 of connector CN2, port 28 of the analog switch chip U4 is electrically connected to port 10 of connector CN2, port 29 of the analog switch chip U4 is electrically connected to port 9 of connector CN2, port 31 of the analog switch chip U4 is electrically connected to port 6 of connector CN2, and port 32 of the analog switch chip U4 is electrically connected to port 5 of connector CN2.
[0023] Furthermore, the extension line switching unit includes an analog switch U2, port 1 of the analog switch U2 is electrically connected to capacitor C4 and a +3.3V port, and port 4 of the analog switch U2 is electrically connected to port 17 of connector CN1, port 5 of the analog switch U2 is electrically connected to port 18 of connector CN1, port 18 of the analog switch U2 is electrically connected to port 0E2, port 19 of the analog switch U2 is electrically connected to port 18 of connector CN2, port 20 of the analog switch U2 is electrically connected to port 17 of connector CN2, port 21 of the analog switch U2 is electrically connected to port SEL6, and port 12 of the analog switch U2 and capacitor C4 are both grounded.
[0024] Furthermore, the power line switching unit includes a MOS tube Q1, a MOS tube Q2 and a MOS tube Q3, the gate of the MOS tube Q1 is electrically connected to a resistor R5 and a resistor R7, the resistor R5 is electrically connected to the 10 port of the control chip U3, the resistor R7 and the source of the MOS tube Q1 are both grounded, the drain of the MOS tube Q1 is electrically connected to the resistor R6, the gate of the MOS tube Q2 and the gate of the MOS tube Q3 through the resistor R8, the resistor R6 is electrically connected to the source of the MOS tube Q2, the source of the MOS tube Q3 and the VBUS port, the drain of the MOS tube Q2 is electrically connected to the VIN port, and the drain of the MOS tube Q3 is electrically connected to the VOUT port.
[0025] Furthermore, the power supply module includes a chip U1, port 1 of the chip U1 is electrically connected to capacitor C2 and a +3.3V port, port 3 of the chip U1 is electrically connected to capacitor C1 and a VBUS port, and port 2 of the chip U1, capacitor C1 and capacitor C2 are all grounded.
[0026] Furthermore, the indication module includes a light-emitting diode LED1, a light-emitting diode LED2 and a light-emitting diode LED3, the light-emitting diode LED1 is electrically connected to the resistor R1 and the LED1 port, the light-emitting diode LED2 is electrically connected to the resistor R2 and the LED2 port, the light-emitting diode LED3 is electrically connected to the resistor R3 and the LED3 port, and the resistors R1, R2 and R3 are all electrically connected to the +3.3V port.
[0027] Compared with the prior art, the present invention has the following beneficial effects:
[0028] First, the present invention can automatically identify the needs of the connected device through the main control module and adjust the output voltage and current accordingly, so there is no need to manually select a specific mode or replace data cables of different specifications, which simplifies the daily use process and improves convenience. At the same time, it can also realize the transmission of high-definition audio and video signals without sacrificing other functions;
[0029] Second, the present invention can allocate the most appropriate power according to the specific situation of each connected device, ensuring that all devices can be charged safely at the fastest speed, thereby effectively avoiding the problem of reduced charging speed due to unreasonable current distribution. BRIEF DESCRIPTION OF THE DRAWINGS
[0030] Figure 1 It is a system block diagram of the TYPE-C intelligent data cable of the present invention;
[0031] Figure 2 A circuit diagram of electrical connection between the connector CN1 and the data switching unit and the expansion line switching unit of the present invention;
[0032] Figure 3 A circuit diagram of electrical connection between the connector CN2 and the data switching unit and the expansion line switching unit of the present invention;
[0033] Figure 4 A circuit diagram of the electrical connection between the main control module and the power line switching unit of the present invention;
[0034] Figure 5 is a circuit diagram of a power supply module of the present invention;
[0035] Figure 6 It is a circuit diagram of the indication module of the present invention. DETAILED DESCRIPTION
[0036] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0037] Although the existing TYPE-C data cable can power multiple devices at the same time, it lacks intelligent management capabilities and cannot automatically adjust functions according to the needs of connected devices. There is also the problem of unreasonable resource allocation when multiple devices are used at the same time, resulting in poor user experience and low resource utilization efficiency. The technical solution of the present application monitors the status of the connected device in real time through the control chip U3, and dynamically adjusts the output voltage and current according to the device requirements, thereby ensuring that each device can obtain the best charging experience. At the same time, it can switch related functions through the key switch J3 and the reset switch J4, and can also display the corresponding functions through the indicator module, thereby simplifying the daily use process while improving the convenience of use.
[0038] Open Figure 1-Figure 6, this embodiment provides a multifunctional switching TYPE-C smart data cable, which includes a connection module, a switching module, a main control module, an indication module and a power supply module. Specifically, the connection module is electrically connected to the main control module and the switching module, while the main control module is electrically connected to the indication module and the power supply module, and the main control module is electrically connected to the switching module. Further, the power supply module provides a stable 3.3V power supply voltage for the connection module, the switching module, the main control module and the indication module. Specifically, the power supply module includes a chip U1, port 1 of chip U1 is electrically connected to capacitor C2 and a +3.3V port, port 3 of chip U1 is electrically connected to capacitor C1 and a VBUS port, and port 2 of chip U1, capacitor C1 and capacitor C2 are all grounded.
[0039] In this embodiment, the connection module is used to electrically connect with an external device. The main control module is used to determine the operating state of the switching module according to the state of the key switch. Specifically, the connection module includes a connector CN1 and a connector CN2, and the connector CN1 and the connector CN2 are electrically connected to the switching module. At the same time, the main control module includes a control chip U3 (for example, model LDR6020), and the control chip U3 is electrically connected to the power supply module, the connector CN1, the connector CN2, the switching module and the indication module.
[0040] During the specific implementation process, port 1, port 2, port 3 and port 4 of connector CN1 are all electrically connected to the VIN port, port 5, port 6, port 9, port 10, port 11, port 12, port 13, port 14, port 15, port 16, port 17 and port 18 of connector CN1 are all electrically connected to the switching module, port 19 of connector CN1 is electrically connected to port 15 of control chip U3, port 20 of connector CN1 is electrically connected to port 16 of control chip U3, and port 21, port 22, port 23 and port 24 of connector CN1 are all grounded.
[0041] Further, port 1, port 2, port 3 and port 4 of connector CN2 are all electrically connected to the VOUT port, port 5, port 6, port 9, port 10, port 11, port 12, port 13, port 14, port 15, port 16, port 17 and port 18 of connector CN2 are all electrically connected to the switching module, port 19 of connector CN2 is electrically connected to port 12 of the control chip U3, port 20 of connector CN2 is electrically connected to port 11 of the control chip U3, and port 21, port 22, port 23 and port 24 of connector CN2 are all grounded.
[0042] Further, port 1 and port 2 of the control chip U3 are electrically connected to the key switch J3, port 3 of the control chip U3 is electrically connected to port 0E1, port 4 of the control chip U3 is electrically connected to port 0E2, port 7 of the control chip U3 is electrically connected to port LED1, port 8 of the control chip U3 is electrically connected to port LED2, port 9 of the control chip U3 is electrically connected to port LED3, port 10 of the control chip U3 is electrically connected to the switching module, and port 14 of the control chip U3 is electrically connected to the +3.3V port and capacitor C3. , ports 17 and 18 of the control chip U3 are electrically connected to the reset switch J4, port 19 of the control chip U3 is electrically connected to the SEL6 port, port 20 of the control chip U3 is electrically connected to the SEL5 port, port 21 of the control chip U3 is electrically connected to the SEL4 port, port 22 of the control chip U3 is electrically connected to the SEL3 port, port 23 of the control chip U3 is electrically connected to the SEL2 port, port 24 of the control chip U3 is electrically connected to the SEL1 port, and port 13 of the control chip U3 and capacitor C3 are both grounded.
[0043] In this embodiment, the switching module is used to switch related functions through a key switch. Specifically, the switching module includes a data switching unit, an extension line switching unit, and a power line switching unit. The data switching unit and the extension line switching unit are electrically connected to the connector CN1 and the connector CN2, and the power line switching unit is electrically connected to the control chip U3.
[0044] Specifically, the data switching unit is used to switch the state of data transmission. In the specific implementation process, the data switching unit includes an analog switch chip U4, port 1 of the analog switch chip U4 is electrically connected to port 5 of the connector CN1, port 2 of the analog switch chip U4 is electrically connected to port 6 of the connector CN1, port 3 of the analog switch chip U4 is electrically connected to port SEL1, port 4 of the analog switch chip U4 is electrically connected to port 9 of the connector CN1, port 5 of the analog switch chip U4 is electrically connected to port 10 of the connector CN1, port 6 of the analog switch chip U4 is electrically connected to port SEL2, port 7 of the analog switch chip U4 is electrically connected to port 11 of the connector CN1, and port 8 of the analog switch chip U4 is electrically connected to port 9 of the connector CN1. Port 8 is electrically connected to port 12 of connector CN1, port 9 of the analog switch chip U4 is electrically connected to port SEL3, port 10 of the analog switch chip U4 is electrically connected to port 13 of connector CN1, port 11 of the analog switch chip U4 is electrically connected to port 14 of connector CN1, port 12 of the analog switch chip U4 is electrically connected to port SEL4, port 13 of the analog switch chip U4 is electrically connected to port 15 of connector CN1, port 14 of the analog switch chip U4 is electrically connected to port 16 of connector CN1, port 15 of the analog switch chip U4 is electrically connected to port SEL5, and port 16 of the analog switch chip U4 is grounded.
[0045] Further, port 17 of the analog switch chip U4 is electrically connected to the capacitor C5 and the +3.3V port, and the capacitor C5 is grounded. At the same time, port 18 of the analog switch chip U4 is electrically connected to port 0E1, port 19 of the analog switch chip U4 is electrically connected to port 16 of connector CN2, port 20 of the analog switch chip U4 is electrically connected to port 15 of connector CN2, port 22 of the analog switch chip U4 is electrically connected to port 14 of connector CN2, and port 23 of the analog switch chip U4 is electrically connected to connector CN 2, port 13 of the analog switch chip U4 is electrically connected to port 12 of connector CN2, port 26 of the analog switch chip U4 is electrically connected to port 11 of connector CN2, port 28 of the analog switch chip U4 is electrically connected to port 10 of connector CN2, port 29 of the analog switch chip U4 is electrically connected to port 9 of connector CN2, port 31 of the analog switch chip U4 is electrically connected to port 6 of connector CN2, and port 32 of the analog switch chip U4 is electrically connected to port 5 of connector CN2.
[0046] Specifically, the expansion line switching unit is used to switch the conduction state of the expansion line. In the specific implementation process, the expansion line switching unit includes an analog switch U2, a port 1 of the analog switch U2 is electrically connected to the capacitor C4 and the +3.3V port, and a port 4 of the analog switch U2 is electrically connected to the port 17 of the connector CN1, a port 5 of the analog switch U2 is electrically connected to the port 18 of the connector CN1, a port 18 of the analog switch U2 is electrically connected to the port 0E2, a port 19 of the analog switch U2 is electrically connected to the port 18 of the connector CN2, a port 20 of the analog switch U2 is electrically connected to the port 17 of the connector CN2, a port 21 of the analog switch U2 is electrically connected to the port SEL6, and a port 12 of the analog switch U2 and the capacitor C4 are both grounded.
[0047] Specifically, the power line switching unit is used to switch the conduction state of the power line. In the specific implementation process, the power line switching unit includes MOS tube Q1, MOS tube Q2 and MOS tube Q3, the gate of MOS tube Q1 is electrically connected to resistor R5 and resistor R7, resistor R5 is electrically connected to port 10 of control chip U3, resistor R7 and the source of MOS tube Q1 are both grounded, the drain of MOS tube Q1 is electrically connected to resistor R6, the gate of MOS tube Q2 and the gate of MOS tube Q3 through resistor R8, resistor R6 is electrically connected to the source of MOS tube Q2, the source of MOS tube Q3 and VBUS port, the drain of MOS tube Q2 is electrically connected to VIN port, and the drain of MOS tube Q3 is electrically connected to VOUT port.
[0048] In this embodiment, the indication module is used to display the current functional state according to the switched function. In the specific implementation process, the indication module includes a light emitting diode LED1, a light emitting diode LED2 and a light emitting diode LED3, the light emitting diode LED1 is electrically connected to the resistor R1 and the LED1 port, the light emitting diode LED2 is electrically connected to the resistor R2 and the LED2 port, the light emitting diode LED3 is electrically connected to the resistor R3 and the LED3 port, and the resistors R1, R2 and R3 are all electrically connected to the +3.3V port.
[0049] Specifically, when connector CN1 and connector CN2 are electrically connected to external devices, a 5V voltage will be supplied to the control chip U3 through the connection module and the power line switching unit. It is worth noting that at this time, the control chip U3 will first automatically reset, that is, automatically restore to a state with only charging function, and then control the expansion line switching unit to disconnect through ports 3 and 19 of the control chip U3. Similarly, the data switching unit is disconnected through ports 4, 20, 21, 22, 23 and 24 of the control chip U3. Similarly, the power line switching unit is turned on through ports 11 and 12 of the control chip U3. Further, the control chip U3 outputs a low level through port 7, that is, the light-emitting diode LED1 in the control indication module is controlled to emit light.
[0050] Furthermore, when the TYPE-C smart data cable in this embodiment switches its function, it can be switched through the key switch J3 electrically connected to the control chip U3. Specifically, when the key switch J3 is pressed once, that is, the 3rd port, 20th port, 21st port, 22nd port, 23rd port and 24th port of the control chip U3 all output a high level, and at this time the data switching unit is turned on, that is, the function of the TYPE-C smart data cable will be converted from the charging function to the charging and data transmission function. At this time, the control chip U3 outputs a low level through the 7th port and the 8th port, that is, the light-emitting diodes LED1 and LED2 in the control indication module emit light.
[0051] Furthermore, when switching functions again, the key switch J3 can be pressed again. Specifically, ports 3, 4, 19, 20, 21, 22, 23 and 24 of the control chip U3 all output high levels. At this time, the data switching unit and the expansion line switching unit are both turned on, that is, the function of the TYPE-C smart data cable will be converted from charging and data transmission functions to data transmission and audio signal transmission functions. At this time, the control chip U3 outputs a low level through ports 8 and 9, that is, the light-emitting diodes LED2 and LED3 in the control indication module emit light.
[0052] Furthermore, when the function is switched again, it can be directly reset through the reset switch J4 electrically connected to the control chip U3. That is, it is directly restored to the charging function state. At this time, the 3rd port, 4th port, 19th port, 20th port, 21st port, 22nd port, 23rd port and 24th port of the control chip U3 all output low level, at this time the data switching unit and the expansion line switching unit are both disconnected, and the 11th port and the 12th port of the control chip U3 output high level, at this time the power line switching unit is turned on. At the same time, the control chip U3 outputs a low level through the 7th port, that is, the light-emitting diode LED1 in the control indication module is illuminated.
[0053] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is limited by the attached embodiments and their equivalents.
Claims
1. A multifunctional switching TYPE-C intelligent data cable, characterized in that: Included are: A connection module is electrically connected to an external device; Switching module, switch functions through key switches; A main control module, which determines the operating state of the switching module according to the state of the key switch; The indication module displays the current functional status according to the switched function; The connection module is electrically connected to the main control module and the switching module, and the main control module is electrically connected to the switching module, the indication module and the power supply module, and the power supply module provides power supply voltage for the connection module, the switching module, the main control module and the indication module.
2. A multifunctional switchable TYPE-C smart data cable according to claim 1, characterized in that: The connection module includes a connector CN1 and a connector CN2, and the connector CN1 and the connector CN2 are electrically connected to the switching module. At the same time, the main control module includes a control chip U3, and the control chip U3 is electrically connected to the power supply module, the connector CN1, the connector CN2, the switching module and the indication module.
3. A multifunctional switchable TYPE-C smart data cable according to claim 2, characterized in that: Port 1, port 2, port 3 and port 4 of the connector CN1 are all electrically connected to the VIN port, port 5, port 6, port 9, port 10, port 11, port 12, port 13, port 14, port 15, port 16, port 17 and port 18 of the connector CN1 are all electrically connected to the switching module, port 19 of the connector CN1 is electrically connected to port 15 of the control chip U3, port 20 of the connector CN1 is electrically connected to port 16 of the control chip U3, and port 21, port 22, port 23 and port 24 of the connector CN1 are all grounded; Port 1, port 2, port 3 and port 4 of the connector CN2 are all electrically connected to the VOUT port, port 5, port 6, port 9, port 10, port 11, port 12, port 13, port 14, port 15, port 16, port 17 and port 18 of the connector CN2 are all electrically connected to the switching module, port 19 of the connector CN2 is electrically connected to port 12 of the control chip U3, port 20 of the connector CN2 is electrically connected to port 11 of the control chip U3, and port 21, port 22, port 23 and port 24 of the connector CN2 are all grounded.
4. A multifunctional switchable TYPE-C intelligent data cable according to claim 2 or 3, characterized in that: Port 1 and port 2 of the control chip U3 are electrically connected to the key switch J3, port 3 of the control chip U3 is electrically connected to port 0E1, port 4 of the control chip U3 is electrically connected to port 0E2, port 7 of the control chip U3 is electrically connected to port LED1, port 8 of the control chip U3 is electrically connected to port LED2, port 9 of the control chip U3 is electrically connected to port LED3, port 10 of the control chip U3 is electrically connected to the switching module, port 14 of the control chip U3 is electrically connected to the +3.3V port and capacitor C3, Ports 17 and 18 of the control chip U3 are electrically connected to the reset switch J4, port 19 of the control chip U3 is electrically connected to the SEL6 port, port 20 of the control chip U3 is electrically connected to the SEL5 port, port 21 of the control chip U3 is electrically connected to the SEL4 port, port 22 of the control chip U3 is electrically connected to the SEL3 port, port 23 of the control chip U3 is electrically connected to the SEL2 port, port 24 of the control chip U3 is electrically connected to the SEL1 port, and port 13 of the control chip U3 and capacitor C3 are both grounded.
5. A multifunctional switchable TYPE-C intelligent data cable according to claim 4, characterized in that: The switching module includes: A data switching unit, which switches the state of data transmission; An expansion line switching unit switches the conduction state of the expansion line; A power line switching unit switches the conduction state of the power line; The data switching unit and the expansion line switching unit are both electrically connected to the connector CN1 and the connector CN2, and the power line switching unit is electrically connected to the control chip U3.
6. A multifunctional switchable TYPE-C intelligent data cable according to claim 5, characterized in that: The data switching unit includes an analog switch chip U4, wherein port 1 of the analog switch chip U4 is electrically connected to port 5 of the connector CN1, port 2 of the analog switch chip U4 is electrically connected to port 6 of the connector CN1, port 3 of the analog switch chip U4 is electrically connected to port SEL1, port 4 of the analog switch chip U4 is electrically connected to port 9 of the connector CN1, port 5 of the analog switch chip U4 is electrically connected to port 10 of the connector CN1, port 6 of the analog switch chip U4 is electrically connected to port SEL2, port 7 of the analog switch chip U4 is electrically connected to port 11 of the connector CN1, and port 8 of the analog switch chip U4 is electrically connected to port SEL3. Connect the 12th port of the connector CN1, the 9th port of the analog switch chip U4 is electrically connected to the SEL3 port, the 10th port of the analog switch chip U4 is electrically connected to the 13th port of the connector CN1, the 11th port of the analog switch chip U4 is electrically connected to the 14th port of the connector CN1, the 12th port of the analog switch chip U4 is electrically connected to the SEL4 port, the 13th port of the analog switch chip U4 is electrically connected to the 15th port of the connector CN1, the 14th port of the analog switch chip U4 is electrically connected to the 16th port of the connector CN1, the 15th port of the analog switch chip U4 is electrically connected to the SEL5 port, and the 16th port of the analog switch chip U4 is grounded; The 17th port of the analog switch chip U4 is electrically connected to the capacitor C5 and the +3.3V port, and the capacitor C5 is grounded. At the same time, the 18th port of the analog switch chip U4 is electrically connected to the 0E1 port, the 19th port of the analog switch chip U4 is electrically connected to the 16th port of the connector CN2, the 20th port of the analog switch chip U4 is electrically connected to the 15th port of the connector CN2, the 22nd port of the analog switch chip U4 is electrically connected to the 14th port of the connector CN2, and the 23rd port of the analog switch chip U4 is electrically connected to the Port 13, port 25 of the analog switch chip U4 is electrically connected to port 12 of connector CN2, port 26 of the analog switch chip U4 is electrically connected to port 11 of connector CN2, port 28 of the analog switch chip U4 is electrically connected to port 10 of connector CN2, port 29 of the analog switch chip U4 is electrically connected to port 9 of connector CN2, port 31 of the analog switch chip U4 is electrically connected to port 6 of connector CN2, and port 32 of the analog switch chip U4 is electrically connected to port 5 of connector CN2.
7. The multifunctional switchable TYPE-C intelligent data cable according to claim 5, characterized in that: The expansion line switching unit includes an analog switch U2, wherein port 1 of the analog switch U2 is electrically connected to capacitor C4 and a +3.3V port, and port 4 of the analog switch U2 is electrically connected to port 17 of connector CN1, port 5 of the analog switch U2 is electrically connected to port 18 of connector CN1, port 18 of the analog switch U2 is electrically connected to port 0E2, port 19 of the analog switch U2 is electrically connected to port 18 of connector CN2, port 20 of the analog switch U2 is electrically connected to port 17 of connector CN2, port 21 of the analog switch U2 is electrically connected to port SEL6, and port 12 of the analog switch U2 and capacitor C4 are both grounded.
8. The multifunctional switchable TYPE-C smart data cable according to claim 5, characterized in that: The power line switching unit includes a MOS tube Q1, a MOS tube Q2 and a MOS tube Q3. The gate of the MOS tube Q1 is electrically connected to a resistor R5 and a resistor R7. The resistor R5 is electrically connected to the 10 port of the control chip U3. The resistor R7 and the source of the MOS tube Q1 are both grounded. The drain of the MOS tube Q1 is electrically connected to the resistor R6, the gate of the MOS tube Q2 and the gate of the MOS tube Q3 through the resistor R8. The resistor R6 is electrically connected to the source of the MOS tube Q2, the source of the MOS tube Q3 and the VBUS port. The drain of the MOS tube Q2 is electrically connected to the VIN port, and the drain of the MOS tube Q3 is electrically connected to the VOUT port.
9. A multifunctional switchable TYPE-C intelligent data cable according to claim 1 or 2, characterized in that: The power supply module includes a chip U1, port 1 of the chip U1 is electrically connected to capacitor C2 and a +3.3V port, port 3 of the chip U1 is electrically connected to capacitor C1 and a VBUS port, and port 2 of the chip U1, capacitor C1 and capacitor C2 are all grounded.
10. A multifunctional switchable TYPE-C intelligent data cable according to claim 1 or 2, characterized in that: The indication module includes a light-emitting diode LED1, a light-emitting diode LED2 and a light-emitting diode LED3, wherein the light-emitting diode LED1 is electrically connected to a resistor R1 and an LED1 port, the light-emitting diode LED2 is electrically connected to a resistor R2 and an LED2 port, the light-emitting diode LED3 is electrically connected to a resistor R3 and an LED3 port, and the resistors R1, R2 and R3 are all electrically connected to a +3.3V port.
Citation Information
Patent Citations
Type-C slave charging and data transmission switching device
CN117375152A