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  • LM74930-Q1: low temperature -30℃ boot failed, LM74930 can't open mosfet and no power output

    Resolved
    Part Number: LM74930-Q1 Other Parts Discussed in Thread: LM74930 Tool/software: Hi Texas team members: have you ever met the problem about LM74930 can't work under low temperature like -30℃~-40℃? We have several domain can't boot under -30℃ because…
    • Resolved

  • LM74930-Q1: instability issue during starting

    TI Thinks Resolved
    Part Number: LM74930-Q1 Other Parts Discussed in Thread: LM74930 Tool/software: Hello, we are using LM74930 on several designs and we are experiencing similar issues as explained on: LM74930-Q1: Fails to activate output if input/output capacitance…

  • LM74930-CALC: LM74830-Q1 Spice Model Broken

    Part Number: LM74930-CALC Other Parts Discussed in Thread: LM74930-Q1 Hello, I have the full version of OrCAD Pspice, which per this post is needed to run run this model: https://e2e.ti.com/support/power-management-group/power-management/f/power-management…

  • LM74930-Q1: On Failure Detection When Connecting MOSFETs in Parallel

    TI Thinks Resolved
    Part Number: LM74930-Q1 Other Parts Discussed in Thread: LM74930 Hi, In the following circuit using the LM74930, can a failure be detected if only MOSFET Q1 fails (shorts through)? Thank you in advance.

  • LM74930-Q1: Regarding the calculation formulas in “INRUSH_FET_SOA Margin Calculator.xlsx.”

    TI Thinks Resolved
    Part Number: LM74930-Q1 Hi, Please tell me the calculations (formulas) used internally in “INRUSH_FET_SOA Margin Calculator.xlsx.” The reason is that the tool does not support calculations for MOSFETs connected in parallel. In the middle block, there…
    • Answered

  • LM74930-Q1: LM74930QRGERQ1 availability

    Resolved
    Part Number: LM74930-Q1 Tool/software: Hi, We are currently designing a product for which we have selected LM74930QRGERQ1 part a month ago and this part was available in abundance in major distributors like digikey/mouser/TI etc. Currently i don't find…
    • Resolved
    • Answered

  • LM74930-Q1: LM74930-Q1 PSpice Transient Model ERROR

    Resolved
    Part Number: LM74930-Q1 Other Parts Discussed in Thread: LM74930 , Tool/software: PSPICE ERROR ERROR(ORPSIM-15116): Unable to find library file filtsub.lib. ERROR(ORPSIM-15107): Unable to make index for library file C:\Users\E362248\Downloads\snom787…
    • Resolved
    • Answered

  • LM74930-Q1: Recomended COUT value

    Resolved
    Part Number: LM74930-Q1 Tool/software: In the Datasheet Oct2023 section 8.2.2.3 it recommends COUT of 0.1uF, this seems to be an error, since both Figure 8.1 and the EVM (C10) use 100uF for COUT. Thank you
    • Resolved

  • LM74930-Q1: Questions about reference design

    TI Thinks Resolved
    Part Number: LM74930-Q1 Tool/software: Hi Expert, Have a nice day! About LM74930-Q1 EVM, I have questions need your professional support: 1. Why VS(PIN22)‘s wire is so wide in this area? For high current? Or thermal? Or due to any other reasons…
    • Answered

  • LM74930-Q1: IMON saturation during short circuit event

    Resolved
    Part Number: LM74930-Q1 Tool/software: Hello! During testing, we identified that sudden changes in VBAT were causing a fault on the LM74930-Q1. The fault occurred because the sudden change in VBAT generated an inrush current (we have around 470 µF on…
    • Resolved

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