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TPS56528 Schematic Review

Hoang Manh
Intellectual 380 points
Other Parts Discussed in Thread: TPS56528

Hi all,

We are designing an power supply system using TPS56528 for suppling 1.5V. Attached is portion of our schematic, which shows how we connect TPS56528.

Can you help take a look and give me any advice?

Thanks and Best Regards,

Hoang Manh

TPS56528_1V5.pdf

  • TI__Guru**** 191445 points
    It mostly looks fine. We normally recommend that you pull up PG to VREG5. PG is inactive if EN is low, so PG will be pulled up to 3.3V indicating power is good even if EN is low. It looks like 3.3V can also pull up EN thru the diodes. You should probably remove them.