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TPS54202DDCR 打嗝 ,DP1损坏

kevin.huang_FJXM
Intellectual 450 points


产品正常工作状态下稳压器输出电流小于400mA，极限消耗为1A左右.

1.以下电路图应用客户将RP4断开后，稳压器出现打嗝现象，一段时间后DP1损坏

2.客户将DP1更换，RP4接回去后产品恢复正常.

3.是否有方法可以避免RP4断开后产品硬件不损坏?