TPS4811-Q1: reverse current function

Jay wang

Expert 4681 points

Part Number: TPS4811-Q1
Other Parts Discussed in Thread: TPS48111Q1EVM

hi expert

according mu understanding, tps4811 cannot support the reverse current flow like the following shown. am i right?

do we have any other TPS48xx family what can support reverse current flow?

over 2 years ago

0 Rakesh over 2 years ago

TI__Guru** 107781 points

Hi Jay,

In ON state, the TPS48xx allows reverse current flow. To keep device powered, we need to power Vs from VIN and VOUT through diode ORing as shown in the TPS48111Q1EVM schematic https://www.ti.com/lit/ug/sluuck8a/sluuck8a.pdf

Best Regards,

Rakesh

0 Jay wang over 2 years ago in reply to Rakesh

TI__Expert 4681 points

wow nice design.

from my understanding ,all of TPS48xx support reverse current flow,right?

0 Rakesh over 2 years ago in reply to Jay wang

TI__Guru** 107781 points

Yes Jay.. all the released variants of TPS48xx supports

Best regards,

Rakesh

0 Jay wang over 2 years ago in reply to Rakesh

TI__Expert 4681 points

thank you Rakesh

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TPS4811-Q1: reverse current function