Hp spectre 13. Charging issue. Very confusing!

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  • Ussovak
    New Member
    • Jan 2020
    • 5
    • USA
    #21
    Re: Hp spectre 13. Charging issue. Very confusing!

    The TPS65982 is the PD controller. Your charger talks to it directly via the CC1 or CC2 lines on the USB-C port. Each USB-C port has their own controller. Perhaps you have an open CC1/CC2 line from your USB-C port to the TPS65982 chip.

    If not replacing the TPS65982DA with a new one should resolve the issue.
    Last edited by Ussovak; 07-29-2021, 10:12 AM.

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      • mon2
        Badcaps Legend
        • Dec 2019
        • 13861
        • Canada
        #22
        Re: Hp spectre 13. Charging issue. Very confusing!

        I will suggest to source a fair cost PD bus analyzer tool. Many are now < $100 USD. Then using the tool, you can validate the traffic of the communication between the PD adapter and the PD controller on the logic board.

        I know there are assorted models on Aliexpress but the better tools are the ones from Cypress or ST Semiconductor for power delivery designs. Just a suggestion. These PD bus analyzer tools work with a normal PC and logs the bus traffic on Windows to show the packets, the power delivery contracts, etc.

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