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battery charger

kevin swartz
Prodigy 10 points
Other Parts Discussed in Thread: LM5118

Hi

I'm interested in building an MPPT battery charger capable of charging 12/24/36/48 volt batteries from an input voltage between 3v ~ 48v.

I intend using the SM3320-BATT-EV and AN-2178 as reference designs. Can anyone advise what changes are recommended to these reference designs to achieve the above? For example, in AN2178 where a LM5118 is used, what size should I make L1 and the MOSFETS to achieve a higher output voltage and whether there are any other hardware changes to consider?

I am very amateur at this and would appreciate any advice given.

Kevin