Novel handset plug connector expansion system
A technology of plug connector and mobile phone, which is applied in the field of new mobile phone plug connector expansion system, can solve the problems of inability to meet product requirements, inconvenient use process, single data connection port, etc., achieve good user experience and use effect, simple structure, The effect of high degree of humanization
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[0024] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.
[0025] see Figure 1 to Figure 3 , a novel mobile phone plug connector expansion system 1 of the present invention includes a control circuit board and a male plug connector 113 arranged on the control circuit board and used to be inserted into a mobile phone socket; the control circuit board is also provided with PD protocol data a processing chip, a BC protocol data processing chip, and a first female socket 114 and a second female socket 115 for connecting external device plugs;
[0026] A charging and discharging switching circuit is connected between the PD protocol data processing c...
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