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  • TPS23881B: SRAM programming - TPS23881B

    Part Number: TPS23881B Is it possible to use TPS23881B without SRAM programming? In Autonomous mode is the use of external host like MCU still valid?

  • TPS23881B: TPS23881B initialization

    TI Thinks Resolved
    Part Number: TPS23881B Tool/software: Hi, I'd like to know if it's possible to use channel 1 for PoE+ Port 1 (802.3at : 2pair 30W) and use channel 2 & 3 for HiPoE Port 2 (802.3bt 4pair 60W) If yes, could you please tell me how to initialize the registers…

  • TPS23881B1EVM-024: latest version of TPS23881B firmware for SRAM

    TI Thinks Resolved
    Part Number: TPS23881B1EVM-024 Other Parts Discussed in Thread: TPS23881B Please provide link to download latest version of TPS23881B firmware for SRAM and Parity code.
    • Answered

  • TPS23881B: TPS23881 vs TPS23881B

    Resolved
    Part Number: TPS23881B Other Parts Discussed in Thread: TPS23881 , Tool/software: Dear E2E Support, Could you confirm what are the exact differences between our autonomous and former version of TPS23881? Are we 100% software compatible? Regards…
    • Resolved

  • TPS23881B: TPS23881 Power

    TI Thinks Resolved
    Part Number: TPS23881B Tool/software: Hi Dear experts, I want to use TPS23881B in autonomus mode. I have a question to be sure. Do I need any micro controller to upload a code to use it in autonomus mode? Or should I just connect AUTO pin (52) to…
    • Answered

  • TPS23861: TPS23882B vs. TPS23881B vs. TPS23861 selection

    Resolved
    Part Number: TPS23861 Other Parts Discussed in Thread: TPS23882B , , TPS23881B , TPS23881 Tool/software: Hi, I am trying to choose between the TPS23882B, TPS23881B and TPS23861 PoE controllers. At the moment the project only requires IEEE 802.at…
    • Resolved

  • TPS23881B: TPS23881 Power

    Part Number: TPS23881B Tool/software: Hi, I am designing a circuit using the TPS23881B with the following configuration: 3 ports with 2 pairs (2x2) 2 ports with 4 pairs (4x4) The power supply can provide a maximum of 200W. Here is the scenario…

  • TPS23881B: device recommendation

    TI Thinks Resolved
    Part Number: TPS23881B Other Parts Discussed in Thread: TPS23881 Tool/software: Hi team, My customer product input signal is POE, it is going through power and data, we want to get the 30W power and 480Mbps data rating, means we need at least the…

  • TPS23881B: Which values of R_AUTO have to be used (if using without MCU).

    TI Thinks Resolved
    Part Number: TPS23881B Tool/software: My issue deals with input: AUTO (Pin#52). I will use this device without MCU. Datasheet mentions: "R_AUTO enables autonomous operation at selectable port power allocation levels." There is no description of these…
    • Answered

  • TPS23881B: does the Type-4 PSE supply power if only one pairset is connected?

    Resolved
    Part Number: TPS23881B Other Parts Discussed in Thread: TPS2372 Tool/software: TPS23881B configured as 4 pair 90W, and the 2 pair set power is set as 45W. If alt-A has a valid signature PD and the PD configured as class 5(45W) but alt-B is open circuit…
    • Resolved

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