Im trying to create an ultra efficient current source at (0 to 2Amps) using either 1 lion cell or 2 lion cells in series as input (5.5-8.4V). I dont care about current accuracy but I do want it to have user adjustable current and ultra high efficiency. I saw the efficiencies of the adp2384 and am very impressed by it. I was trying to figure out a way to use it as a current source and adjust the current limit or use the FB pin and modify the duty cycle to be able to adjust the actual output current. Any ideas or more information you need to answer this question. Your help is much appreciated.
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