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TPS2491: Performance comparison against LT4256

Tosh Ishii
Prodigy 30 points

Part Number: TPS2491
Other Parts Discussed in Thread: TPS1685, LM5069

Tool/software:

Hello Hotswap team,

I'm considering to use TPS2491 for BBU (Battery Back-up Unit) in cloud Center.
On the other hand, colleague encourage LT4256-1,2.
Both parts look very similar (external FET drive), so not sure the exact features.
If you have a performance comparison, please share with me.

Regards,
Tosh