CN217113271U - Data interface conversion circuit and converter - Google Patents
Data interface conversion circuit and converter Download PDFInfo
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- CN217113271U CN217113271U CN202220804519.5U CN202220804519U CN217113271U CN 217113271 U CN217113271 U CN 217113271U CN 202220804519 U CN202220804519 U CN 202220804519U CN 217113271 U CN217113271 U CN 217113271U
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Abstract
The utility model discloses a data interface converting circuit and converter, include: the system comprises a first interface module, a second interface module and a conversion control module; the conversion control module comprises a main control unit, a power management unit, a protocol conversion unit and a high-speed switch unit; the protocol conversion unit and the high-speed switch unit are respectively electrically connected with the main control unit; the first interface module is electrically connected with the main control unit and the high-speed switch unit respectively; the second interface module is respectively and electrically connected with the first interface module and the main control unit; the first interface module is used for receiving a signal input source; the main control unit is used for carrying out signal conversion control; the protocol conversion unit is used for carrying out protocol conversion control; the high-speed switch unit is used for performing enabling switch control; the second interface module is used for outputting the signal converted by the conversion control module. The utility model discloses can realize the signal conversion between the data interface, realize the data signal transmission of different interfaces, satisfy need not scene application demand.
Description
Technical Field
The utility model relates to a signal conversion control technical field especially relates to a data interface converting circuit and converter.
Background
With the development of science and technology and the progress of society, people have more and more requirements on electronic equipment, and more use requirements and use scenes are also increased. The emergence of electronic devices such as notebook computers, tablet devices, multimedia devices, and the like has greatly enriched people's lives.
In the prior art, the interfaces of the electronic device are mostly set to three interfaces, which are a Micro USB interface, a USB interface, and a Lightning interface. Most electronic devices are only provided with one interface when being shipped out due to the limitation of manufacturing cost and integration of internal space of the devices. As such, the electronic device cannot meet the requirements of some special application scenarios of the user. Therefore, it is an urgent need to solve the problem of the present invention.
SUMMERY OF THE UTILITY MODEL
The present application provides a data interface conversion circuit and a converter, in this scheme, the first interface module is used for receiving a signal input source; the main control unit is used for carrying out signal conversion control; the protocol conversion unit is used for carrying out protocol conversion control; the high-speed switch unit is used for performing enabling switch control; the second interface module is used for outputting the signals converted by the conversion control module, thereby realizing the conversion control of different input signals and meeting the use requirements of different scenes of a user.
In order to solve the above technical problem, the present application provides a data interface conversion circuit, which includes a first interface module, a second interface module, and a conversion control module; the conversion control module comprises a main control unit, a power management unit, a protocol conversion unit and a high-speed switch unit;
the main control unit, the protocol conversion unit and the high-speed switch unit are respectively electrically connected with the power management unit;
the protocol conversion unit and the high-speed switch unit are respectively electrically connected with the main control unit;
the first interface module is electrically connected with the main control unit and the high-speed switch unit respectively;
the second interface module is electrically connected with the first interface module and the main control unit respectively;
the first interface module is used for receiving a signal input source;
the main control unit is used for carrying out signal conversion control; the protocol conversion unit is used for carrying out protocol conversion control; the high-speed switch unit is used for performing enabling switch control;
and the second interface module is used for outputting the signal converted by the conversion control module.
Preferably, the first interface module is a USB interface, and the second interface module is a Lightning interface.
Preferably, the main control unit, the power management unit, the protocol conversion unit and the high-speed switch unit in the conversion control module are integrated into the same device.
Preferably, the conversion control module further comprises a protection unit; the protection unit is electrically connected with the USB interface and the high-speed switch unit respectively.
Preferably, the conversion control module further comprises a high-speed switch driving unit; the high-speed switch driving unit is electrically connected with the protection unit and the high-speed switch unit respectively.
Preferably, the conversion control module further comprises an electrostatic discharge unit; the electrostatic discharge unit is electrically connected with the main control unit.
Preferably, the conversion control module further comprises a bootstrap unit; the bootstrap unit is electrically connected with the power management unit.
Preferably, the protection unit includes a first electrostatic diode and a first capacitor;
the first end of the first electrostatic diode and the first end of the first capacitor are respectively electrically connected with the USB interface, and the second end of the first electrostatic diode and the first end of the first capacitor are respectively electrically connected with the high-speed switch unit.
Preferably, the electrostatic discharge unit includes a second electrostatic diode;
the first end of the second electrostatic diode is respectively electrically connected with the main control unit and the Lightning interface, and the second end of the second electrostatic diode is grounded.
In order to solve the above technical problem, the present application provides a converter including the data interface conversion circuit.
The utility model discloses a data interface converting circuit and converter have following beneficial effect, the utility model discloses a data interface converting circuit includes: the system comprises a first interface module, a second interface module and a conversion control module; the conversion control module comprises a main control unit, a power management unit, a protocol conversion unit and a high-speed switch unit; the main control unit, the protocol conversion unit and the high-speed switch unit are respectively electrically connected with the power management unit; the protocol conversion unit and the high-speed switch unit are respectively electrically connected with the main control unit; the first interface module is electrically connected with the main control unit and the high-speed switch unit respectively; the second interface module is electrically connected with the first interface module and the main control unit respectively; the first interface module is used for receiving a signal input source; the main control unit is used for carrying out signal conversion control; the protocol conversion unit is used for carrying out protocol conversion control; the high-speed switch unit is used for performing enabling switch control; and the second interface module is used for outputting the signal converted by the conversion control module. Therefore, the utility model discloses can realize the signal conversion between the data interface, realize the data signal transmission of different interfaces, satisfy without scene application demand.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described below with reference to the accompanying drawings and embodiments, wherein 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 without inventive work according to the drawings:
fig. 1 is a schematic structural diagram of a data interface conversion circuit according to a preferred embodiment of the present invention;
fig. 2 is a schematic structural diagram of a data interface conversion circuit according to a preferred embodiment of the present invention;
fig. 3 is a schematic structural diagram of a data interface conversion circuit according to a preferred embodiment of the present invention;
fig. 4 is a schematic diagram of a data interface conversion circuit according to a preferred embodiment of the present invention.
Detailed Description
The core of the application is to provide a data interface conversion circuit and a converter, the scheme realizes signal conversion between data interfaces, realizes data signal transmission of different interfaces, and meets the application requirements without scenes.
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all 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 application.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a control device for manual charging and automatic charging provided by the present application, including a first interface module 1, a second interface module 2, and a conversion control module 3; the conversion control module 3 comprises a main control unit 31, a power management unit 32, a protocol conversion unit 33 and a high-speed switch unit 34;
the main control unit 31, the protocol conversion unit 33 and the high-speed switch unit 34 are respectively electrically connected with the power management unit 32;
the protocol conversion unit 33 and the high-speed switch unit 34 are electrically connected to the main control unit 31;
the first interface module 1 is electrically connected with the main control unit 31 and the high-speed switch unit 34 respectively;
the second interface module 2 is electrically connected with the first interface module 1 and the main control unit 31 respectively;
the first interface module 1 is used for receiving a signal input source;
the main control unit 31 is used for performing signal conversion control; the protocol conversion unit 33 is used for performing protocol conversion control; the high-speed switching unit 34 is used to perform enable switching control;
the second interface module is used for outputting the signal converted by the conversion control module 3.
In the prior art, most electronic devices are only provided with one interface when leaving the factory due to the limitations of manufacturing cost and integration of internal space of the devices. For example, a notebook computer is only provided with a USB male socket, and the USB male socket can only be connected with a data line with a USB female socket to realize communication data transmission. In some specific scenarios, if the multimedia device with the apple mother base needs to perform data transmission with the electronic device, the docking can be realized only through a data line.
In order to overcome the above disadvantages, the present application provides a first interface module 1, a second interface module 2 and a conversion control module 3; the conversion control module 3 includes a main control unit 31, a power management unit 32, a protocol conversion unit 33, and a high-speed switch unit 34, which cooperate to realize signal conversion between data interfaces and realize data signal transmission of different interfaces.
Specifically, the first interface module 1 is connected with an interface of the electronic device, and receives a signal input source; the second interface module 2 is connected with an interface of the receiving equipment to output data signals; when the first interface module 1 is plugged into the electronic device, the high-speed switch unit 34 is in an off state, and no voltage is applied to the Pin; when the second interface module 2 is connected to the receiving device, the protocol conversion unit 33 gives an instruction to turn on the high-speed switch unit 34, and the current is input to the receiving device from the electronic device through the high-speed switch unit 34, so that the signal conversion control and transmission from the first interface module 1 to the second interface module 2 are realized.
To sum up, the present application provides a data interface conversion circuit and converter, in this scheme, a first interface module 1 is used for receiving a signal input source; the main control unit 31 is used for performing signal conversion control; the protocol conversion unit 33 is used for performing protocol conversion control; the high-speed switching unit 34 is used to perform enable switching control; the second interface module 2 is used for outputting the signal converted by the conversion control module 3, thereby realizing the conversion control of different input signals and meeting the use requirements of different scenes of a user.
On the basis of the above-described embodiment:
referring to fig. 2, fig. 2 is a schematic structural diagram of a data interface conversion circuit provided in the present application.
As a preferred embodiment, the first interface module 1 is a USB interface, and the second interface module 2 is a Lightning interface.
Specifically, the USB interface of the converter is plugged into the electronic device, the Lightning interface is plugged into the receiving device with the apple mother socket, the protocol conversion unit 33 gives an instruction to turn on the high-speed switch unit 34, and the current is input from the electronic device to the receiving device through the high-speed switch unit 34, so that the signal conversion control and transmission from the USB interface to the Lightning interface are realized.
It is understood that, in another preferred embodiment, the first interface module 1 may be configured as one of a USB interface, a Lightning interface or a Micro USB interface, and the second interface module 2 may be configured as one of a USB interface, a Lightning interface or a Micro USB interface, which is not limited herein.
As a preferred embodiment, the main control unit 31, the power management unit 32, the protocol conversion unit 33, and the high-speed switch unit 34 in the conversion control module 3 are integrated into the same device, so that the chip integration level is improved, and the cost is saved.
Specifically, the conversion control module 3 in the present application has a chip model of TX003D, and has built-in protocol chip, high-speed switch, power management, MCU control and low internal resistance MOS transistor functions. In another preferred embodiment, the chip type of the conversion control module 3 is not particularly limited.
As a preferred embodiment, the conversion control module 3 further comprises a protection unit 35; the protection unit 35 is electrically connected to the USB interface and the high-speed switch unit 34.
Specifically, the protection unit 35 is used to protect the chip of the conversion control module 3, prevent oscillation, and improve the working stability of the chip.
Referring to fig. 3, fig. 3 is a schematic structural diagram of a data interface conversion circuit provided in the present application.
As a preferred embodiment, the conversion control module 3 further includes a high-speed switch driving unit 36; the high-speed switch driving unit 36 is electrically connected to the protection unit 35 and the high-speed switch unit 34, respectively.
Specifically, the high-speed switch driving unit 36 is used to realize driving of the high-speed switch unit inside the switching control module 3.
As a preferred embodiment, the switching control module 3 further includes an electrostatic discharge unit 37; the electrostatic discharge unit 37 is electrically connected to the main control unit 31.
As a preferred embodiment, the conversion control module 3 further comprises a bootstrap unit 38; the bootstrap unit 38 is electrically connected to the power management unit 32.
Specifically, the bootstrap unit 38 is configured to implement superposition of the discharge voltage and the power supply voltage, so as to raise the voltage and ensure stability of the operation of the conversion control module 3.
Referring to fig. 4, fig. 4 is a schematic diagram of a data interface conversion circuit according to the present disclosure.
As a preferred embodiment, the protection unit 35 includes a first electrostatic diode D1 and a first capacitor C1;
a first end of the first electrostatic diode D1 and a first end of the first capacitor C1 are electrically connected to the USB interface, respectively, and a second end of the first electrostatic diode D1 and a first end of the first capacitor C1 are electrically connected to the high-speed switch unit 3434, respectively.
Specifically, the first electrostatic diode D1 guides the instantaneous high voltage to the power supply or the ground, and functions to discharge the high voltage and protect the port; the first capacitor C1 is used to prevent the chip of the switching control module 3 from oscillating.
As a preferred embodiment, the static electricity discharging unit 37 includes a second static electricity diode D2;
the first terminal of the second esd D2 is electrically connected to the main control unit 31 and the Lightning interface, and the second terminal of the second esd D2 is grounded.
Specifically, the second electrostatic diode D2 is used to discharge the electrostatic voltage of the DATA terminal DATA of the conversion control module 3 to ground.
As a preferred embodiment, the high-speed switch driving unit 36 includes a first resistor R1, a first end of the first resistor R1 is electrically connected to a second end of the first electrostatic diode D1 and a second end of the first capacitor C1, respectively, and a second end of the first resistor R1 is electrically connected to the high-speed switch unit. It is understood that the first resistor R1 is a driving resistor of the high-speed switching unit.
As a preferred embodiment, the bootstrap unit 38 includes a second capacitor C2, a first end of the second capacitor C2 is electrically connected to the power supply terminal VDD of the conversion control module 3, and a second end of the second capacitor C2 is grounded.
In a preferred embodiment, the conversion control module 3 further includes a second resistor R2, a first end of the second resistor R2 is electrically connected to the data terminal VDD of the conversion control module 3, and a second end of the second resistor R2 is grounded. It is understood that the second resistor R2 functions as a voltage divider and a current limiter.
In a preferred embodiment, the conversion control module 3 further includes a third resistor R3 and a fourth resistor R4; the first end of the third resistor R3 is electrically connected to the VBUS terminal of the USB interface, the first VBUS terminal of the conversion control module 3, the second VBUS terminal, and the first end of the fourth resistor R4, the second end of the third resistor R3 is electrically connected to the VOUT terminal of the conversion control module 3 and the Lightning interface, and the second end of the fourth resistor R4 is electrically connected to the first VCC terminal and the second VCC terminal of the conversion control module 3. It can be understood that the third resistor R3 is a resistor detection resistor to prevent the high voltage from damaging the conversion control module when the USB interface is connected to the electronic device, and the fourth resistor R4 is a chip current limiting resistor.
The application also provides a converter, comprising the data interface conversion circuit.
For an introduction of a data interface conversion circuit provided in the present application, please refer to the above embodiments, which are not described herein again.
It should be noted that, in the present specification, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A data interface conversion circuit, comprising: the system comprises a first interface module, a second interface module and a conversion control module; the conversion control module comprises a main control unit, a power management unit, a protocol conversion unit and a high-speed switch unit;
the main control unit, the protocol conversion unit and the high-speed switch unit are respectively electrically connected with the power management unit;
the protocol conversion unit and the high-speed switch unit are respectively electrically connected with the main control unit;
the first interface module is electrically connected with the main control unit and the high-speed switch unit respectively;
the second interface module is electrically connected with the first interface module and the main control unit respectively;
the first interface module is used for receiving a signal input source;
the main control unit is used for carrying out signal conversion control; the protocol conversion unit is used for carrying out protocol conversion control; the high-speed switch unit is used for performing enabling switch control;
and the second interface module is used for outputting the signal converted by the conversion control module.
2. The data interface conversion circuit of claim 1, wherein the first interface module is a USB interface, and the second interface module is a Lightning interface.
3. The data interface conversion circuit according to claim 2, wherein the main control unit, the power management unit, the protocol conversion unit and the high-speed switch unit in the conversion control module are integrated in the same device.
4. A data interface conversion circuit according to claim 3, wherein said conversion control module further comprises a protection unit; the protection unit is electrically connected with the USB interface and the high-speed switch unit respectively.
5. The data interface conversion circuit of claim 4, wherein the conversion control module further comprises a high-speed switch driving unit; the high-speed switch driving unit is electrically connected with the protection unit and the high-speed switch unit respectively.
6. The data interface conversion circuit according to claim 3 or 4, wherein the conversion control module further comprises an electrostatic discharge unit; the electrostatic discharge unit is electrically connected with the main control unit.
7. A data interface conversion circuit according to claim 3, 4 or 6, wherein said conversion control module further comprises a bootstrap unit; the bootstrap unit is electrically connected with the power management unit.
8. The data interface conversion circuit according to claim 4, wherein the protection unit comprises a first electrostatic diode and a first capacitor;
the first end of the first electrostatic diode and the first end of the first capacitor are respectively and electrically connected with the USB interface, and the second end of the first electrostatic diode and the first end of the first capacitor are respectively and electrically connected with the high-speed switch unit.
9. The data interface conversion circuit according to claim 6, wherein the electrostatic discharge unit comprises a second electrostatic diode;
the first end of the second electrostatic diode is respectively electrically connected with the main control unit and the Lightning interface, and the second end of the second electrostatic diode is grounded.
10. A converter comprising a data interface conversion circuit according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220804519.5U CN217113271U (en) | 2022-04-08 | 2022-04-08 | Data interface conversion circuit and converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220804519.5U CN217113271U (en) | 2022-04-08 | 2022-04-08 | Data interface conversion circuit and converter |
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| Publication Number | Publication Date |
|---|---|
| CN217113271U true CN217113271U (en) | 2022-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220804519.5U Active CN217113271U (en) | 2022-04-08 | 2022-04-08 | Data interface conversion circuit and converter |
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| CN (1) | CN217113271U (en) |
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- 2022-04-08 CN CN202220804519.5U patent/CN217113271U/en active Active
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