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  • CSD95490Q5MC: TPS53681 with CSD95490Q5MC switch node ringing damage

    Resolved
    Part Number: CSD95490Q5MC Other Parts Discussed in Thread: TPS53681 Hi, We’re using the TPS53681 + 6x CSD95490Q5MC and have had a few boards die where we suspect the power stages are getting damaged due to ringing on the SW node. The faulty boards…
    • Resolved

  • TPS53681: On TPS546D24A and TPS53681, We do not see option to extract nvm_config_script. Is there any way to get that ?

    Part Number: TPS53681 Other Parts Discussed in Thread: TPS546D24A , Tool/software: 1. On TPS546D24A and TPS53681 We do not see option to extract nvm_config_script. Is there any way to get that ? 2.On TPS546D24A and TPS53681 we observed that Few parameters…
    • Answered

  • TPS53681: Inductor's DCR calcuration

    Resolved
    Part Number: TPS53681 Tool/software: I am designing a power supply system using TPS53681, rail A (CSD95490 x 2), and rail B (CSD95490 x 1). I received a calculation Excel sheet from TI to help me select the inductor to use, but I don't know what parameters…
    • Resolved

  • TPS53681: TPS53681 can not start at -40C

    Part Number: TPS53681 Dear Team, customer is using TPS53681 for Radio design, and they found TPS53681 can not work at -40C. at -40C, Vin12V, and Vout 5.35V is ok and Vout 0.85V can not work. if TI has any solution ready to resove the issue for low…

  • TPS53681: Adjustment of parameters

    Part Number: TPS53681 Other Parts Discussed in Thread: CSD95490Q5MC , Tool/software: I design power supply system(TPS53681 & CSD95490Q5MC) for FPGA(XCZU67DR). I am using Fution digital power designer. But I don't know how to adjust compensation parameter…
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  • TPS53681: Insert resister of bode plot

    Resolved
    Part Number: TPS53681 Tool/software: What resistance value should I insert into AVSP to measure the Bode plot?
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    • Answered

  • TPS53681: About NA of described at

    Resolved
    Part Number: TPS53681 Tool/software: According to https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/671022/faq-multiphase-faq-answers---tps53647-tps53667-tps53681?tisearch=e2e-sitesearch&keymatch=TPS53681%25252525252525252520…
    • Resolved
    • Answered

  • TPS53681: About NA of described at

    Resolved
    Part Number: TPS53681 Tool/software: I am designing power suply systeem (TPS53681 & Active Phase Channel A(SD95490Q5MC x 2) & Active Phase Channel B( SD95490Q5MC x 1) ). According to Table1 in datasheet of TPS53681 , ACSP4 & ACSP5 & ACSP6 is n/a. What…
    • Resolved
    • Answered

  • TPS53681: How to reduce ripple noise

    Resolved
    Part Number: TPS53681 Other Parts Discussed in Thread: CSD95490Q5MC , Tool/software: I designed a power supply system (TPS53681 & CSD95490Q5MC). I measured Vout (Rail A) and it is very noisy. I adjusted LSET and inductor but it doesn't improve. …
    • Resolved
    • Answered

  • TPS53681: Countermeasures against overvoltage at startup

    Resolved
    Part Number: TPS53681 Other Parts Discussed in Thread: CSD95490Q5MC , Tool/software: I designed a power supply system (TPS53681 & CSD95490Q5MC). When I tried to start up the power supply, it failed to start up due to an overvoltage error. The waveform…
    • Resolved

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