TPS63802: Proper Grounding Technique Clarification for the TPS63802

Randy Allen

Part Number: TPS63802

Hello!

I have a question regarding how to properly ground the DFN HotRod package of the 63802.

In the datasheet, it states, "Separate AGND and PGND. Do not connect AGND and PGND directly at the IC. See Figure 44 as an example."

However in figure 44, and as far as I can tell in the layouts of the EVM, PGND and AGND are indeed directly connected to one another.

So, what grounding technique works best? Connect AGND and PGND directly as shown in examples, or totally separate the two and join the the Ground layer with vias a bit distant to the 63802?

over 5 years ago

0 Moritz. over 5 years ago

TI__Intellectual 1700 points

Hi Randy,

thank you for using our device!

Appologies, there is a mix up in the datasheet, which is known and will be corrected soon.

The grounds can be connected directly as show in the layout example.

regards,

Moritz

0 Randy Allen over 5 years ago in reply to Moritz.

Prodigy 20 points

Ahhh, ok, thank you for clearing that up!

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TPS63802: Proper Grounding Technique Clarification for the TPS63802