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TPS23754: Dual input solutions? (one is PoE and the other is 5V adapter)
Part Number: TPS23754 Hi Team, My customer applies TPS23754 in their new project (output 5V/5A). And they have dual input, one is from PoE and the other is 5V adapter. May I know how to achieve disable TPS23754 when 5V adapter plug-in and connect the power path right directly to the output load (5V)? Is this function achievable? Thanks and best regards, Jamie
Hello Jamie, Yes this is possible. Please refer to Option 3 in the following paper: <secret URL>/lit/an/slva306a/slva306a.pdf The challenge is to turn off the PoE when adapter is present. The paper outlines how to do this by disabling detection. If this post answers your question, please indicate so by marking this thread as resolved. Thank you. Regards, Michael P. Applications Engineer customer organization
Hi Michael, Could I send the schematic to you so you could help to check if there is a problem? Thanks for your kindly support. Best regards, Jamie
Hello Jamie, I will support this request through email. Thank you! Regards, Michael Pahl