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USB快充电流问题



大家好,问个问题。小弟我做一个智能USB排插,前端电源只能过3A电流,我想带2个USB快充的,1个过2A,另一个能过到2A么,电流会怎么分配,还是说快充芯片直接保护,充不了电了呢。谢谢、