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    Answered

  • RE: PMP9068: Can this be changed to a 5V Output?

    Resolved
    Patrick, You can add more capacitance to reduce the ripple, but it won't help much with the switching spikes. The most effective way to reduce the ripple and spikes is to add a second stage filter. PMP20220 shows an example. https://www.ti.com/tool…
    • Answered

  • TPS23751: Question regarding choice of reference design

    Resolved
    Part Number: TPS23751 Other Parts Discussed in Thread: , PMP20220 , PMP11254 , TPS23731 , TLV431 , TPS23754 Hello, We are designing a power supply for a device with required output voltage 5V. The device will always be plugged in to a PoE connection but will…
    • Resolved

  • PMP20220: design files

    TI Thinks Resolved
    Part Number: PMP20220 Where can i get the orcad/allegro design files for pmp20220 ?

  • PMP20220: 5V 3A POE

    TI Thinks Resolved
    Part Number: PMP20220 Hello sir i had selected PMP20220 design for my application but sir my output ethernet port is not getting up i am getting an output voltage of 5V but ethernet port is not working .
    • Answered

  • PMP20220: compatibility with IEEE 802.3af and IEEE 802.3at

    Resolved
    Part Number: PMP20220 Is this reference design (pmp20220) compatible with both IEEE 802.3af (POE) and IEEE 802.3at(POE+) ??
    • Resolved
    • Answered

  • TPS23751: TPS23751Schematic review

    Resolved
    Part Number: TPS23751 Other Parts Discussed in Thread: PMP20220 , HI We plan to use TPS23751 for POE power supply design. Our design needs to meet 12W output, meet the protection requirements of common mode 6KV and differential mode 2KV. Our design refers…
    • Resolved

  • RE: TPS23751: TPS23751 Surge issue during option 2 ORing

    Hey Fabian, 1. When I look at the provided scope shot, to me trace #3 shows a voltage on VDD_VSS which makes me conclude the surge is affecting this input. How do you understand that image? For the diode, would the below image not work? This would block…
    • Answered

  • RE: LMR36006: how to enable lmr36006 using TPS2379

    Resolved
    Does reference design PMP20220 compatible with both IEEE 802.3af(POE) and 802.3at (POE+) ??
    • Answered

  • RE: TPS23753: Good choice for high temperature application?

    Resolved
    Hi Benjamin, To summarize your two questions: 1. Which PD designs have the best thermal performance? Generally speaking, any PD controller with an exposed heatsink at the bottom will do a better job of heat dissipation. They would have HTSSOP, VQFN, or…

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