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CN-119336675-B - Switching circuit, switching device and control method of switching device

CN119336675BCN 119336675 BCN119336675 BCN 119336675BCN-119336675-B

Abstract

The invention relates to a switching circuit, an adapter and a control method of the adapter, wherein the switching circuit comprises a first interface, a second interface and a first control unit, wherein the first interface is used for being coupled with electronic equipment; the wireless communication device comprises a charging device, a first interface, a second interface, a power transmission circuit, a processing circuit and a processing circuit, wherein the second interface is used for being coupled with the charging device, the power transmission circuit is coupled with the first interface and the second interface, the power transmission circuit is used for controlling the charging device to charge the electronic device through the second interface and the first interface, the processing circuit is coupled with the first interface, the processing circuit comprises a wireless communication module used for being in communication connection with the wireless communication device, and the processing circuit is used for realizing audio data interaction between the electronic device and the wireless communication device through the first interface and the wireless communication module. The switching circuit can charge the electronic equipment through the power transmission circuit, and realize wireless interaction of audio data through the processing circuit, so that functions of the switching circuit are enriched, and the use experience of a user is improved.

Inventors

  • LI JIANQIN

Assignees

  • 北京小米移动软件有限公司

Dates

Publication Date
20260505
Application Date
20230720

Claims (12)

  1. 1. A switching circuit, the switching circuit comprising: a first interface for coupling with an electronic device; a second interface for coupling with a charging device; A power transfer circuit coupled to both the first interface and the second interface, the power transfer circuit configured to control the charging device to charge the electronic device through the second interface and the first interface; Processing circuitry coupled with the first interface, the processing circuitry including a wireless communication module for communicative connection with a wireless communication device, the processing circuitry for enabling audio data interaction between the electronic device and the wireless communication device through the first interface and the wireless communication module; a power management circuit coupled to the first terminal, the second terminal, and the processing circuit of the first interface, the first terminal of the first interface being configured to transmit power output from the electronic device to the power management circuit, the second terminal of the first interface being configured to transmit power output from an additional power source in the electronic device to the power management circuit; Wherein, the first terminal of the first interface is a power supply terminal; When the charging device is coupled with the second interface, the charging device charges the electronic device through a first terminal of the first interface, and the electronic device supplies power to the power management circuit through a second terminal of the first interface.
  2. 2. The transit circuit of claim 1, wherein the processing circuit is configured to interact with the audio data with the wireless communication device in a low latency mode.
  3. 3. The switching circuit of claim 2, wherein the power management circuit is further coupled to a first terminal of the second interface for transmitting power output by the charging device to the power management circuit.
  4. 4. A switching circuit according to claim 3, wherein the power transfer circuit comprises: A communication branch, a first end of which is coupled with a third terminal of the first interface, a second end of which is coupled with a second terminal of the second interface, wherein the communication branch is used for transmitting a charging protocol and battery charging information with the electronic equipment through the third terminal of the first interface and transmitting the charging protocol and the battery charging information with the charging equipment through the second terminal of the second interface; the power supply branch circuit comprises a first interface, a second interface, a power supply management circuit and a power supply management circuit, wherein the first end of the power supply branch circuit is coupled with a first terminal of the first interface, the second end of the power supply branch circuit is coupled with a first terminal of the second interface, the third end of the power supply branch circuit is coupled with the power supply management circuit, and the power management circuit is used for controlling the on-off of the power supply branch circuit through the third end of the power supply branch circuit.
  5. 5. The switching circuit of claim 4, wherein the switching circuit further comprises: A first unidirectional device coupled between the first terminal of the second interface and the power management circuit, the first unidirectional device configured to unidirectional conduct the first terminal of the second interface to the power management circuit; and the second unidirectional device is coupled between the first terminal of the first interface and the power management circuit and is used for conducting the first terminal of the first interface to the power management circuit in a unidirectional manner.
  6. 6. The switching circuit of claim 5, wherein the switching circuit further comprises: and the third unidirectional device is coupled between the second terminal of the first interface and the power management circuit and is used for conducting the second terminal of the first interface to the power management circuit in a unidirectional manner.
  7. 7. The switching circuit of claim 4, wherein the switching circuit further comprises: An overvoltage protection circuit, a first end of the overvoltage protection circuit coupled to a first terminal of the second interface, the second end of the overvoltage protection circuit is coupled with the second end of the power supply branch circuit and the power management circuit.
  8. 8. The switching circuit according to any one of claims 1 to 7, wherein the third terminal of the second interface, the power transfer circuit, and the processing circuit are coupled by a bus.
  9. 9. An adapter comprising the adapter circuit of any one of claims 1 to 8.
  10. 10. A control method of an adapter for an adapter according to claim 9, characterized in that the control method of an adapter comprises: controlling the adapter to perform audio data interaction between the electronic equipment and the wireless communication equipment; when the adapter is coupled with a charging device, the charging device is controlled to charge the electronic device and maintain audio data interaction between the electronic device and the wireless communication device.
  11. 11. The method of claim 10, wherein the controlling the adaptor to interact audio data between the electronic device and the wireless communication device comprises: supplying power to the power management circuit; controlling the power management circuit to supply power to the processing circuit; and controlling the processing circuit to perform audio data interaction between the electronic equipment and the wireless communication equipment.
  12. 12. The method of controlling an adapter according to claim 10, wherein the controlling the charging device to charge the electronic device includes: controlling a power supply management circuit to carry out charging management on the power transmission circuit; and controlling the power transmission circuit to charge the electronic equipment by using the electric energy provided by the charging equipment.

Description

Switching circuit, switching device and control method of switching device Technical Field The disclosure relates to the technical field of electronic equipment, and in particular relates to a switching circuit, an adapter and a control method of the adapter. Background Currently, an electronic device communicates with a wireless communication device through a built-in wireless communication module, so as to realize wireless transmission of audio data. The wireless communication module and the wireless communication equipment cannot be completely matched to influence the quality of audio data transmission, and the adapter matched with the wireless communication equipment is connected to the interface of the electronic equipment, so that the quality of audio data transmission is improved. However, the function of the adapter is single, so that the requirements of users cannot be met, and the use experience of the users is poor. Disclosure of Invention In order to overcome the problems in the related art, the present disclosure provides a switching circuit, an adapter and a control method of the adapter. According to a first aspect of the present disclosure, there is provided a transit circuit comprising: a first interface for coupling with an electronic device; a second interface for coupling with a charging device; A power transfer circuit coupled to both the first interface and the second interface, the power transfer circuit configured to control the charging device to charge the electronic device through the second interface and the first interface; the processing circuit is coupled with the first interface, the processing circuit comprises a wireless communication module used for being in communication connection with wireless communication equipment, and the processing circuit is used for realizing audio data interaction between the electronic equipment and the wireless communication equipment through the first interface and the wireless communication module. In some embodiments of the disclosure, the processing circuit is configured to interact with the audio data with the wireless communication device in a low latency mode. In some embodiments of the present disclosure, the switching circuit further comprises: The power management circuit is coupled with the first terminal of the first interface and the processing circuit, and the first terminal of the first interface is used for transmitting the electric energy output by the electronic equipment to the power management circuit. In some embodiments of the present disclosure, the power management circuit is further coupled to a second terminal of the first interface for transmitting power output by the electronic device to the power management circuit, and/or, The power management circuit is further coupled to a first terminal of the second interface for transmitting power output by the charging device to the power management circuit. In some embodiments of the present disclosure, the power transfer circuit includes: A communication branch, a first end of which is coupled with a third terminal of the first interface, a second end of which is coupled with a second terminal of the second interface, wherein the communication branch is used for transmitting a charging protocol and battery charging information with the electronic equipment through the third terminal of the first interface and transmitting the charging protocol and the battery charging information with the charging equipment through the second terminal of the second interface; the power supply branch circuit comprises a first interface, a second interface, a power supply management circuit and a power supply management circuit, wherein the first end of the power supply branch circuit is coupled with a first terminal of the first interface, the second end of the power supply branch circuit is coupled with a first terminal of the second interface, the third end of the power supply branch circuit is coupled with the power supply management circuit, and the power management circuit is used for controlling the on-off of the power supply branch circuit through the third end of the power supply branch circuit. In some embodiments of the present disclosure, the switching circuit further comprises: A first unidirectional device coupled between the first terminal of the second interface and the power management circuit, the first unidirectional device configured to unidirectional conduct the first terminal of the second interface to the power management circuit; and the second unidirectional device is coupled between the first terminal of the first interface and the power management circuit and is used for conducting the first terminal of the first interface to the power management circuit in a unidirectional manner. In some embodiments of the present disclosure, the switching circuit further comprises: and the third unidirectional device is coupled between the second terminal of the first interface