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还是TPS63001问题(空载输入电流过大)

Other Parts Discussed in Thread: TPS63001, TPS61041

我是单节锂电池供电,输出设为3.3V  。发现TPS63001会有空载时输入电流过大的问题,大概200ma,这时输出电压是正常的。更换芯片后故障消失。

请问出现这种问题是TPS63001哪里损坏了?  另外问下这颗料是哪年出来的,品质是否稳定?