Negative 48V to positive 48V solution

Sam Shyu36

Other Parts Discussed in Thread: PMP20371

Hi Sir,

We want to design Negative 48VDC input to positive 48VDC output / 7A. Do you have suggest solution for this spec. Thanks!

Best Regards,

Sam Shyu

over 8 years ago

0 John Griffin1 over 8 years ago

TI__Mastermind 34465 points

Hello Sam,
I suggest you look at the buck boost topology for this design
PMP20371 is an inverting buck boost with a -48V input.
This design is for 125W so you will need to make changes for your higher power application.
Regards
John

0 Sam Shyu36 over 8 years ago in reply to John Griffin1

Intellectual 735 points

Dear John,

Thanks for your help!

Regards,

Sam Shyu

Power management

Power management forum

Negative 48V to positive 48V solution