• State Resolved
  • Locked Locked
  • Replies 1 reply
  • Subscribers 62 subscribers
  • Views 301 views
  • Users 0 members are here
Support feedback
Options
Options
Related

This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

TPS53319: Schematics review request

Kazuhiko Hirano
Genius 16088 points

Part Number: TPS53319

Hello,

 

My customer designed Vin=12V, Vout=3.3V and Iout(max)=8A buck converter circuit using TPS53319.

Please review their schematics and provide feedbacks.
tidrive.itg.ti.com/.../e6926fb2-d9ff-4854-9b3f-08ff68b4de19

 

Best regards,

 

K.Hirano

  • 0
    TI__Mastermind 26575 points

    Here are my suggestions

    Change R3034 to 1.13kOHm
    Change L3003 to 1uH or 1.5uH  using the 0.68uH iripple is very large  for 12V to 3.3V at 500kHz
    Do not know the purpose of D3004 on C3021 on LL node. 

    Use the Figure 11.-1 in datasheet for pcb layout examples