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  • TPS23880: Unexpected reading errors on I2C bus

    Part Number: TPS23880 Other Parts Discussed in Thread: ISOW7841 , ISO7731 , BOOST-PSEMTHR-007 , , TPS23881 In our device, the values of some registers are periodically readed from the TPS23880 POE controller by Linux POE daemon. An unexpected register…
    • Answered

  • RE: TPS2373: PoE and LLDP

    Resolved
    Hi Casey, Happy New Year! Yes it seems your design is okay. Your device is requesting Class 8 power which can only be sourced from a Type 3 or Type 4 PSE. Type 3 and Type 4 PSE support 4 pair power which is what is needed to supply anything >30W.…

  • TPS23880EVM-008: How to get 48V voltage output and let it work

    TI Thinks Resolved
    Part Number: TPS23880EVM-008 Other Parts Discussed in Thread: TPS2372-4EVM-006 , BOOST-PSEMTHR-007 , USB2ANY , TPS23880 , MSP430FR5969 Dears, We have got the TPS23880EVM-008,BOOST-PSEMTHR-007 and TPS2372-4EVM-006 demo,we want to verify 802.3bt POE application…
    • Answered

  • RE: TPS23880: TSP23880 Circuit ORCAD file

    Resolved
    Hi Penny, Can I help you with the orcad file of the BOOST-PSEMTHR-007 circuit diagram?

  • RE: TPS23756: no handshake issue

    Hi Tommy, Thanks for the response. 2. Could you provide the VDD-VSS voltage and input current (one of the twisted pairs) waveforms during handshake? Then we could know it failed during detection, classification, or other period. ==> Currently using…
    • Answered

  • TPS23881EVM-008: TPS23881 EVB POE Auto pin setting issue

    Resolved
    Part Number: TPS23881EVM-008 Other Parts Discussed in Thread: TPS23881 , MSP-EXP430FR5969 , USB2ANY , TPS2373 , BOOST-PSEMTHR-007 Dear Sir: I want try TPS23881 EVB all 4-pair PSE power function for design reference. 60W & 90W.
    • Resolved
    • Answered

  • RE: TPS23758: Whether there is an IC that meets the requirements of the following parameters, the whole scheme can be recommended.thank you

    Resolved
    Hi Tony, Thank you for your question. Unfortunately we do not have a reference design that meets the criteria you have provided. For 60W, 4-Pair power levels I recommend designing with the TPS23881 PoE PSE IC. We have a very easy to use evaluation…
    • Answered

  • TPS2372-4EVM-006: TPS2372-4 RTN not driving to VSS

    Resolved
    Part Number: TPS2372-4EVM-006 Other Parts Discussed in Thread: BOOST-PSEMTHR-007 , TPS23880EVM-008 , , TPS23880 , TPS2372 I'm running TI demo boards together to start developing my own PD design. TPS23880EVM-008 & BOOST-PSEMTHR-007 (powered by 53V DC…
    • Resolved
    • Answered

  • Initial turn on

    Resolved
    Part Number: TPS23880EVM-008 Other Parts Discussed in Thread: USB2ANY , BOOST-PSEMTHR-007 , TPS23880 Hello all, Hopefully this is a very simple issue...I got my BOOST-PSEMTHR-007 mother board, TPS23880EVM-008 daughter board, USB2ANY adapter, and installed…
    • Resolved

  • RE: TPS23880: EVM Gerber file

    Hi Jerry, The gerber files are available on ti.com under TPS23880EVM-008 and BOOST-PSEMTHR-007 tool folders. I have sent you the design files though email. Thanks. Best regards, Penny

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