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是哪里的电流从0.5A 一点点增到 7A左右?看您设置的ROCP电阻是27K,OC阈值是14.2A;
根据您描述的过程,应该是先过温,再紧接着过载,过载保护后关断输出,温度不再上升,OTW正常,但还一直处于过载状态中,所以FAULT一直被拉低。
芯片从有输出到没有输出的过程中,供电电压都是正常的吗?