Hi jackson,
It seems that there is no problem with your chip.
Roughened leadframes are an improvement to the older leadframe technology and provide improved solder adhesion.
For details please refer to link below:
e2e.ti.com/.../faq-why-do-the-leadframes…
Other Parts Discussed in Thread: TPS561201 , TPS561208 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/1391657/tps561201-audible-noise-when-the-current…
Other Parts Discussed in Thread: TPS563202EVM 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/1070215/tps561208-switching-layout-guidelines 部件号: TPS5…