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  • TPS2388: Single Port non standard PSE Controller IC

    Resolved
    Part Number: TPS2388 Other Parts Discussed in Thread: TPS23861 , , , Please Suggest a Part number for a single port PSE IC with 12-47V support Same AS TPS23888
    • Resolved
    • Answered

  • TPS2388: Discrepancy

    Resolved
    Part Number: TPS2388 Hi Experts, Our customer notice a discrepancy between the provided tps2388x example code and the tps23881x provided GUI (for the eval board). The customer is trying to configure the chip to limit its power allocation for a particular…
    • Resolved

  • TPS2388: Some questions for design it

    TI Thinks Resolved
    Part Number: TPS2388 Other Parts Discussed in Thread: CSD19538Q3A , LM5019 , MSP430F5234 Hello Expert, Our customer is considering PSE design w/ TPS2388 or TPS2388x. So I have some questions that I have to do consider for it. Could you please let me know…
    • Answered

  • TPS2388: POE: Class 2 PSE to Class 4 PD?

    Resolved
    Part Number: TPS2388 If I connect a class 2 PSE (provides up to 25W) to a Class 4 PD (can use up to 71W) while only using up to 25W, will the system work correctly or once the negotiation occurs and the PSE will see a PD that can use more power it will…
    • Resolved

  • TPS2388: Find BOOST and PSE

    TI Thinks Resolved
    Part Number: TPS2388 Hi Customer needs, please help to suggest boost IC + PSE Application : 802.3bt 90W POE injector Input voltage : 12-57V TO 57V (90W)

  • TPS2388: Classification Time Duration test fail

    Part Number: TPS2388 Dears, We use sifos test Class_Time_Tpdc (Classification Time Duration) fail, measurement value is 4.9ms below 5.6ms. Is any way to adjust this value? BR Eric
    • Answered

  • RE: TPS2388: about Police 21/43 Configuration Register issue

    Resolved
    Penny, thanks for your help. also i have another question, does TPS2388 have power supply mode that provide force power? if so, how to set it up?
    • Answered

  • TPS2388: I2C rising/falling time too fast

    Resolved
    Part Number: TPS2388 Dears, Our measurement value result is below 20ns, is any way to adjust? or this is not critical item can be waive? BR Eric
    • Resolved

  • TPS2388: Port Fast shut down through OSS pin.

    TI Thinks Resolved
    Part Number: TPS2388 The datasheet mentions 1-bit and 3-bit OSS shutdown. The question is, could we use the 3-bit OSS shutdown to change which ports are being shutdown each time? Or would the internal registers have to be reprogrammed over SMBus each time…

  • TPS2388: Reset timing inquire

    TI Thinks Resolved
    Part Number: TPS2388 Dears, I saw the datasheet define tRESET was 1-5us, but seems like this time is indicate with internal 1-μs to 5-μs deglitch filter? Should I measure this value necessary? Is there any place write the system reset time? because…

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