TPS51200: Date Code and Lot Code

Hi,

I try to figure out the date code and lot code of two TPS51200DRC devices. I wonder if there is a document that describes how to do that. I just found one for National Semiconductor devices (SNOA039C).

Attached are two pictures of two devices. Maybe a TI expert can help decoding the second and third line.

   

First device reads:
1200
058
ADHT

Second device reads:
1200
0A8
A25D

Thanks and best regards,
Patrick