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TPS54232: Schematic & Layout review

Kygo Cheng
Expert 6830 points
Part Number: TPS54232

Hi Team,

There is a good new that we DIN TPS54232D 5V to 3V3 DCDC

And there have one thing need your support!
Please help check this SCH & layout, THX (please refer to attachment )

2437.Layout.pptx

  • +1
    TI__Expert 7430 points

    Hi Kygo

    Glad to hear the DWIN news! Here are my comments:

    1. Regarding the boot cap For the boot cap, I would suggest to use 220nF or even 470nF to avoid BOOT UVLO risk. If customer does not want to change the boot cap value, I would suggest to reduce the inductor value to 2.2uH. 

    2.For the layout, I would recommend to remove the GND copper which covers around the pins especially the BOOT and PH pin since they are noisy. 

    BR

    Ruby