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  • LM5180: Regulation intermittently switching off while driving dual output +15/-8V for IGBT gate drive power supply

    Part Number: LM5180 Other Parts Discussed in Thread: TEST Hello, I am seeing an intermittent stop of the switching output on our gate driver board. Our use case is pretty much "9.2.2 Design 2: PSR Flyback Converter With Dual Outputs of 15 V and –7.7…
    • Answered

  • LM5180: LM5180/LM25180/LM25183 etc Calculator Comments Hide automatically after very short duration

    Resolved
    Part Number: LM5180 Other Parts Discussed in Thread: LM25180 , LM25183 , Hi, Just want to report that in the calculators I have downloaded for LM5180/LM25180/LM25183 etc, all the comments hide too quickly after mouse hovers on the cell (within a fraction…
    • Resolved
    • Answered

  • LM5180: Setup for phase margin

    Resolved
    Part Number: LM5180 Other Parts Discussed in Thread: TEST Hi Team, My customer want to check a phase margin of their own design. Could you tell me setup example for phase margin measurement of LM5180? Regards, Takashi Onawa
    • Resolved

  • RE: LM5180: Abnormal case study

    Hi Onawa-san, The LM5180 doesn't include a protection feature specifically meant to protect against this event. Regards, Harrison Overturf
    • Answered

  • LM5180-Q1: PSPICE model issue

    Resolved
    Part Number: LM5180-Q1 Other Parts Discussed in Thread: LM5181 , LM5180 Dear team, I am experiencing the same issue with both LM5180 and LM5181: ERROR(ORPSIM-15141): Less than 2 connections at node N15746. This node is the TC node. Can you share a solution…
    • Resolved

  • LM5180: LM5180 output abnormal if you touch the board

    TI Thinks Resolved
    Part Number: LM5180 I used LM5180 to convert DC-24V to DC-24V. output current under normal state is around 5mA. Heavy load is limited to 50mA. basic design requirement: input range:１８～２８ＶＤＣ transformer is 30uH, np:ns =1:2 under normal/ heavy load/ light…
    • Answered

  • LM5180: Pin FMAE for non-Q1 products

    Resolved
    Part Number: LM5180 Hi Team, I can find Pin FAME for LM5180-Q1 on E2E thread but Is it OK to use it as LM5180 pin FMEA as well? https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/898392/lm5180-q1-fmeda-analysi…
    • Resolved

  • LM5180: LM5180 VIN pin has to connect to the Flyback input?

    TI Thinks Resolved
    Part Number: LM5180 HI Team, My customer is asking if Vin pin has to tie to the flyback input for LM5180? Can they add a diode between the point A and B? The thought is to enable Vin pin higher than 4.5V when the input is dropping around or below 4.5V…
    • Answered

  • LM5180-Q1: LM5180 power problem

    Resolved
    Part Number: LM5180-Q1 Other Parts Discussed in Thread: LM5181 , LM5180 , SN6501 Hi, I cannot achieve the required output characteristics. Almost all denominations are calculated according to the datasheet. The transformer is selected close in inductance…
    • Resolved

  • LM5180: Surge Immunity Compliance of LM5180

    TI Thinks Resolved
    Part Number: LM5180 Other Parts Discussed in Thread: TEST , , ABS , LM25180 , LM5161 , LM5017 Hi We are testing EMI/EMC compliance testing of our product which is based on LM5180 converter IC. We are facing issues in the Surge Immunity Test (IEC 61000-4…

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