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TPS61027: About the connection to GND and PGND

Part Number: TPS61027

Hello,

 

Regarding to GND and PGND on TPS61027, my customer is asking a question.

(Question)

According to datasheet, these are not connected as following.


But in TPS6120 EVM user’s guide, these are connected as following.

 


 

Which is the best connection?

 

Generally I think that GND must be connected to the PGND of the IC through a single point.

Currently they connect to GND and PGND.

 

Regards,

Tao2199