一种充电与升级复用电路及雾化设备

Abstract

本申请提供一种充电与升级复用电路及雾化设备，涉及集成电路技术领域。充电与升级复用电路被配置为可用于充电及数据更新，充电与升级复用电路包括：控制模块、外接模块和切换模块。所述控制模块包括时钟端口和数据端口，用于对目标设备的程序进行数据更新；所述外接模块包括供电端口、信号端口和对地端口；所述供电端口用于在充电时，输出供电电压；所述信号端口连接所述时钟端口；所述切换模块的第一端连接所述对地端口，所述切换模块的第二端连接所述数据端口，所述切换模块的第三端连接所述供电端口；其中，所述切换模块用于将所述对地端口连接参考地，以进行充电；或者，所述切换模块用于将所述对地端口连接所述数据端口，以进行数据更新。

Claims

1. A charging and upgrading multiplexing circuit, characterized by, The charging and upgrading multiplexing circuit is configured for both charging and data updating, and includes: The control module includes a clock port and a data port, used to update the program of the target device. An external module includes a power supply port, a signal port, and a ground port; the power supply port is used to output a power supply voltage during charging; the signal port is connected to the clock port. A switching module, wherein the first end of the switching module is connected to the ground port, the second end of the switching module is connected to the data port, and the third end of the switching module is connected to the power supply port; The switching module is used to connect the ground port to the reference ground for charging; or, the switching module is used to connect the ground port to the data port for data updating.

2. The charge and upgrade multiplexing circuit of claim 1, wherein, The switching module includes a data connection branch and a ground connection branch; The first end of the data connection branch is connected to the first end of the switching module, and the second end of the data connection branch is connected to the second end of the switching module. The data connection branch is used to connect the ground port to the data port for data updates; The first end of the ground-connected branch is connected to the first end of the switching module, and the second end of the ground-connected branch is connected to the third end of the switching module; The ground branch is used to connect the ground port to the reference ground for charging.

3. The charge and upgrade multiplexing circuit of claim 2, wherein, The data connection branch includes a first resistor, with a first end of the first resistor connected to a first end of the data connection branch and a second end of the first resistor connected to a second end of the data connection branch.

4. The charge and upgrade multiplexing circuit of claim 2, wherein, The grounding branch includes a switch module, the first end of which is connected to the first end of the grounding branch, the control end of which is used to connect to the power supply port, and the second end of which is connected to the reference ground.

5. The charge and upgrade multiplexing circuit of claim 4, wherein, The grounding branch also includes a second resistor and a third resistor. The first end of the second resistor is connected to the second end of the grounding branch, the second end of the second resistor is connected to the first end of the third resistor, the second end of the third resistor is connected to the reference ground, and the first end of the third resistor is also connected to the control terminal of the switching module.

6. The charge and upgrade multiplexing circuit of claim 1, wherein, The external module also includes a pull-down resistor module, the first end of which is connected to the signal port, and the second end of which is connected to a reference ground. The pull-down resistor module is used to connect the signal port to the reference ground for charging; or, the pull-down resistor module is used to connect the signal port to the clock port for data updating.

7. The charge and upgrade multiplexing circuit of claim 6, wherein, The signal port includes a first signal terminal and a second signal terminal, and the pull-down resistor module includes a fourth resistor and a fifth resistor; The first end of the first signal terminal is connected to the first end of the fourth resistor, and the second end of the fifth resistor is connected to reference ground; The first end of the second signal terminal is connected to the first end of the fifth resistor, and the second end of the fifth resistor is connected to reference ground.

8. The charge and upgrade multiplexing circuit of claim 1, wherein, The ground port comprises a first ground terminal and a second ground terminal, the first ground terminal is connected to the second ground terminal, and the first end of the switching module is connected to the first ground terminal and / or the second ground terminal.

9. The charge and upgrade multiplexing circuit of claim 8, wherein, The power supply port comprises a first power supply terminal and a second power supply terminal, and the first power supply terminal and the second power supply terminal are connected.

10. An atomising device characterised in that, The charging and upgrading multiplexing circuit comprises the charging and upgrading multiplexing circuit according to any one of claims 1-9.

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