hi team,
for LM25143-Q1, do AGND and PGND must be separated ? I see our EVM they are separated, but customer don't want separate them
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hi team,
for LM25143-Q1, do AGND and PGND must be separated ? I see our EVM they are separated, but customer don't want separate them
Hello,
It is highly recommended follow the layout recommendation. In this case the AGND and PGND are connected at IC's thermal pad. The AGND plane is recommended so that all the sensitive components are terminated there and away from PGND which is a noisy plane.
Regards,
Jimmy
HI jimmy,
my customer need online review layout, i will send the project information and customer background to you.
Hi Jimmy,
i have send the project background to you from the mail.
could you help review the layout of LM25143-Q1, the basic condition is as follow:
single phase output
Vin: 9-16V
Vout:3.3V
Iout max : 30A
expert has checked the schematic:
in the new schematic i suggest customer change the COMP RC to below picture:
other's part pls refer the below schematic.
jmc_cx835_cdc_subboard_a00_2024.pdf
here is PCB gerber file
Hello Colt,
Regards,
Jimmy