PGND1PGND2PGND3SW4SW5SW6SW7SW8SW9SW10SW11PVIN12PVIN13PVIN14PVIN15PVIN16PVIN17PVIN18PVIN19PVIN20PVIN21PVIN22PVIN23PVIN24PVIN25SW26NC27SGND28BOOST29RUN/SS30SGND31SGND32SGND33SGND34VON35PGOOD36VRNG37ITH38FCB39SGND40ION41SGND42VFB43EXTVCC44SGND45SGND46SGND47SGND48SGND49SGND50SVIN51SVIN52INTVCC53INTVCC54SW55PGND56PGND57PGND58PGND59PGND60PGND61PGND62PGND63PGND64PGND65SGND68SW66PVIN67