LM5145: More suitable device

Kuan Wei Chen (Kevin Chen)

Genius 9710 points

Part Number: LM5145

Dear Team,

I recommend LM5145 to customer for below application.

Do you have more suitable device?

The output voltage is 57V.

Output current is over 50A.

Input voltage : 57 – 60V

Kevin

over 5 years ago

0 Iven Su over 5 years ago

TI__Expert 8245 points

Hi,

If you use a 57V input, a 57V/50A output cannot be achieved by a Buck topology, you can consider a buck-boost solution.

0 Brigitte over 5 years ago

TI__Guru 65580 points

Hello Kuan,

Are there other requirements like isolation from the input necessary for this design? 2.85 kW might need this and then a full-bridge might be the right design.

Power management

Power management forum

LM5145: More suitable device