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Hi there,
I have a few questions regarding the AGND routing for the TPS7A89. Currently in routing....
In the board layout section of the datasheet, it is called out to have an isolated AGND for the noise-reduction caps and lower feedback resistors. What I wanted to clarify was the underlined comment below: “These components must have a separate connection back to the thermal pad of the device”.
Can you provide guidance on the AGND routing? Thanks!
Hi Kannan,
I'm looking into this. I will get back to you in 1-2 business days.
Regards,
Nick
Hey Nick,
Thanks for looking into this. Just wanted to follow up and see if there were any updates.
Given that I have available board/layer space at the moment, I decided to route the AGNDs from Cnr/ss and R2x separately to the thermal pad, seemingly the same way the eval. board does so.
Of course, if you can provide some official response, that'd be great.
Thanks again,
Nick