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TPS5430芯片烧坏

Other Parts Discussed in Thread: TPS5430

当使用24V-AC交流电源供电时,老化几天或者几个小时会出现TPS5430烧坏短路。

使用12V的电源没有问题。

输出5V电压主要给一个手机GSM模块供电。瞬态电流大最大2A,MS级的瞬间电流消耗,平时电流较小200MA。