Can I use a 5V Solar panel on the USB Input to Charge



  • I am aiming for complete autonomy of a LoPy in an expansion board and just wondering if it is possible to use a 5V solar panel to either the USB port or VIN?

    The issue I see is that a 5 volt panel will rush to 7 volts in full sun. Some figure I found says Vmax at 5.5V for the expansion board.

    While the charge controller (BQ24040) seems to be able to handle up to 30V can the rest of the board handle it?

    cheers
    Paul


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