LMR36503-Q1: Schematic review

Kygo Cheng

Expert 6830 points

Part Number: LMR36503-Q1

Hi team

There is a good new that we DIN LMR36503MSC5RPERQ1!

Please help confirm the SCH and Layout is ok?

1.SCH

2.Layout , U12 on top layer is DCDC IC

2 layers are ground

3 layers

4 layers of wiring

over 2 years ago

0 Gui He over 2 years ago

TI__Mastermind 22086 points

Hi Kygo

Please let me check this and give you feedback.

Thank you.

0 Kygo Cheng over 2 years ago in reply to Gui He

TI__Expert 6830 points

Hi Gui He

Thank you!

Looking forward to your reply!

0 Gui He over 2 years ago in reply to Kygo Cheng

TI__Mastermind 22086 points

Hi Kygo

The schematic is ok, except that a 10uF ceramic capacitor between Vin and GND of U12 should be added, and should also be placed near the Vin & GND pin.

For the layout, I think the connect trace between L3 and C58 can be shorter.

Best regards.

Power management

Power management forum

LMR36503-Q1: Schematic review