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TPS53015: TPS53015上电启动失败

Part Number: TPS53015


电源设计原理图如下

输入12V,输出5V;输出目前仅连接电容,暂未进入正式负载,输出端5V总输出电容合计为350uF;上电测试大概率无法启动,重新使能EN脚可恢复正常,怀疑器件进入过流保护,但调节OCL等参数均无法改善,希望能提供一些排查建议。