The part marked "1R5" is a 1.5uH inductor. The part marked "BABCNA" is a DC-DC converter IC; another member may be able to let you know what part number it is.
PeteS in CA
Power Supplies should be boring: No loud noises, no bright flashes, and no bad smells.
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To kill personal responsibility, initiative or success, punish it by taxing it. To encourage irresponsibility, improvidence, dependence and failure, reward it by subsidizing it.
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