1. Official website of the manufacturer: Visit the official website of the mobile phone brand and find the technical specifications or product page of the corresponding mobile phone model, which usually lists the power chip model and pin layout used by the mobile phone. Search the relevant information on the official website or check the phone specification sheet to find the information you need.
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2. Manufacturer technical support: Contact the technical support department of the mobile phone brand to ask them about the power chip and pin information. They may provide detailed technical documentation or guidance to help you understand your phone's power chip and pin layout.
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3. Third-party technical resource websites: some third-party technical resource websites (such as datasheet website) provide a variety of electronic components of the technical documentation and specification manual, you can search on these websites to use the power chip model, as well as the related pin layout and function description.
First of all, you need to know the power chip model you are inquiring about. Then according to the model to the network to find the corresponding original introduction!