LM5122 or LM5175: Customer requesting feedback

Randhir Kalsi

Expert 4545 points

Other Parts Discussed in Thread: LM5122, LM5175

Hello team,

Hope you are well.

Also, customer is considering LM5122 vs LM5175 and would appreciate your help.

Application:

Forced air fans

Non-isolated DC-DC.

9-26VDC input; 12VDC output; 114 Amps output (~1400W)

Shoot me an email for schematic.

Regards,

Randhir

TSR

over 8 years ago

0 Terry Allinder over 8 years ago

TI__Expert 3545 points

With a 9-26VDC input and a 12V output, your going to need a Buck-Boost (LM5175). The LM5122 is a boost only. The problem will be the 114A, I'm not sure if you will be able to process that much current.
Terry

0 Randhir Kalsi over 8 years ago in reply to Terry Allinder

TI__Expert 4545 points

What do you recommend Terry?
Also, would it be helpful if I send the schematic to you?

0 Terry Allinder over 8 years ago in reply to Randhir Kalsi

TI__Expert 3545 points

Randhir,
You can send me the schematic, I'll take a look at it.
Terry

Power management

Power management forum

LM5122 or LM5175: Customer requesting feedback