TPS4811-Q1: reverse current function

Jay wang

Expert 3191 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 1 year ago

0 Rakesh over 1 year ago

TI__Guru** 105361 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 1 year ago in reply to Rakesh

TI__Expert 3191 points

wow nice design.

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

0 Rakesh over 1 year ago in reply to Jay wang

TI__Guru** 105361 points

Yes Jay.. all the released variants of TPS48xx supports

Best regards,

Rakesh

0 Jay wang over 1 year ago in reply to Rakesh

TI__Expert 3191 points

thank you Rakesh

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TPS4811-Q1: reverse current function