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TPS51200-Q1: Package information

Part Number: TPS51200-Q1

Hi Team,

My customer Li-Auto is using this device for supplying DDR VTT power.

The question is what is the usage of four protruding place around the thermal pad? They currently did not put a protruding pad in their layout design (because it is the former design for other device), is it ok?

BRs,

Jiahao Yu