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TIDA-00120: Charge 12V battery pack with 12V and 48V panel

Jeffrey Love
Prodigy 210 points
Part Number: TIDA-00120

Dear Experts,

I would like to use the TIDA-00120 reference design to charge a 12V battery pack using solar panels. We have several panels that range from 12V to 48V. Can the design be modified to charge the battery pack with a 12V and 48V panel? If so, will that require us to modify the board layout as well as the software?

Any advice would be greatly appreciated!

Jeffrey Love

  • 0
    TI__Expert 3860 points

    Hi Jeffrey,

    As the MOSFETs used in the design do not support 48V panel voltage levels, the hardware need to be modified with 80/100V FETs to allow this. Otherwise the circuit configuration and layout can remain the same (though you may not be able to drive the same current as this design as the losses can be higher). Also, the software also should be modified to accommodate 12V/48V system detection and modification of voltage and current levels accordingly.

    Regards,

    Salil