TPS561208: TPS561208DDCR is there a manufacturing process change explanation for the oxidation problem of the product

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-look-strongly-oxidized-or-corroded