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TPS552892: how to have it on single-layer PCB. Any concerns or recommendation about it on single-layer PCB

Cooper Lo
Prodigy 10 points
Part Number: TPS552892
Other Parts Discussed in Thread: TPS55289

Hi Guys,

We want to implement TPS552892 on a single-layer PCB. 

Does TI have any recommendation or suggestion about TPS552892 layout on single-layer PCB

We are concern about the layout on single-layer might impact the operation or performance of TPS55289. especially, like the AGND.

below is our existing layout. Could you guys help to take a review? thanks a lot!!

  • 0
    TI__Mastermind 27910 points

    Hi Copper,

    From the layout, the AGND is too far away from the PGND pin, which is very poor because VCC is also used for internal gate driver supply. And this is strongly not recommended.

    The single layer layout is too challenging for this device.

    BRs,

    Bryce

  • 0 in reply to Bryce Xun
    TI__Mastermind 27910 points

    Hi Copper,

    We have not seen an update from you for four weeks, so I assume the questions are answered and the issue is solved.

    I close this thread now. If there is still something open, please reply and the thread will get opened again.

    If you have any other question or of the thread has been locked, please open a new one.

    Clicking the Resolved Button also helps us to maintain this forum.

    Best regards,

    Bryce