Most Probable Root Cause: THERMAL SHUTDOWN, you can a dd fan/forced cooling → if problem goes away, thermal issue confirmed
We don't have a 3-phase reference design but 4x.
PMP21254 reference design | TI.com
PMP21814 reference design | TI.com
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Other Parts Discussed in Thread: PMP21814 , TPS546D24A , TPS546D24 请注意,本文内容源自机器翻译,可能存在语法或其它翻译错误,仅供参考。如需获取准确内容,请参阅链接中的英语原文或自行翻译。 https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/999225/tps546d24a-4-phase-slave-address…