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TPS48111Q1EVM: TPS48111通过 INP 输入进行导通和关断控制异常

Part Number: TPS48111Q1EVM

你好,

使能INP_G管脚,TPS48111的预充电功能正常,使能INP管脚,BST端口有12V左右的电压,但是SRC端口电压几乎是0V,猜测是因为TPS48111自举失败,有一个现象是,快速反复手动使能INP管脚,在不带负载的情况下,输出有可能正常并且能够稳定输出,请问这个异常情况该如何解决,谢谢