现在要做一款90V-264V输入,输出4V-8V可调,0-70A可调,20A-70A可精确控制(1%精度),
请问这要怎样做才比较好。是PFC+全桥+BUCK恒流还是PFC+半桥+BUCK恒流,还是只用PFC+全桥(半桥)恒流这两极就可以了?
请问TI有什么解决方案吗?0-70A可调是用单片机去调节。谢谢。
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