![]() ![]() It’ll be big and expensive and not very efficient, but that could be OK. I’ve worked in power electronics in the past and I can see two ways to accomplish the original rating concept: a) overwhelming force and b) reconfigurable topology Overwhelming force: just splat out a great big buck-boost converter using integrated power modules and a HUGE inductor. ![]() Why not build a buck converter for 12 - 30 V and a separate boost converter for 60 - 150 V? It’ll be much easier. You seemed to indicate earlier that you were mostly interested in 12 - 30 V and 60 - 150 V. Way overbuilt! If at all possible, I suggest you cut back the requirements. If you were to proceed with a straightforward buck-boost, you would need to build a converter which can handle both 150 V and 250 A (yes, not at the same time but still need switch voltage rating and current rating) that’s 37.5 kVA, ie 6.8 times the actual power.
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