Abstract: A device for DC-DC conversion includes a plurality of input ports to receive a set of DC voltage inputs, at least one DC voltage input being configured as a differential input, a plurality of input semiconductor switches, each input semiconductor switch being coupled to a respective input port of the plurality of input ports, an inductor coupled to each input semiconductor switch, a pair of output semiconductor switches coupled to the inductor, an output coupled to the inductor via the pair of output semiconductor switches, and a processor configured to generate input switch control signals for the plurality of input semiconductor switches to sequentially and selectively connect each DC voltage input to the inductor to charge the inductor and to generate an output switch control signal for the pair of output semiconductor switches to connect the inductor to the output to discharge the inductor via the output.