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  • LM5176: LM5176 failing on startup

    Part Number: LM5176 Other Parts Discussed in Thread: CSD18514Q5A Can you please assist with an issue I'm facing? I created a circuit using the LM5176. It is a boost DC-DC, designed to operate off a 12VDC or 24VDC battery, and output 30VDC at 70W maximum…

  • LM5176-Q1: LM5176 decoupling capacitor

    Part Number: LM5176-Q1 In the schematics like below, we have encounter fire and smoke at C7~C9 ceramic capacitor in large numbers pcb. I would like to know whether the proper component or not, hear the problem point.

  • LM5176-Q1: LM5176-Q1 EMC issue

    Part Number: LM5176-Q1 Other Parts Discussed in Thread: LM5176 Hi Team We are supporting customer do LM5176 EMC test, and find CEC(conducted emission) has excessive emissions in the 700 kHz–1000 kHz band, which is related to the DCDC switching. The…

  • LM5176: LM5176 negative output inquiry

    TI Thinks Resolved
    Part Number: LM5176 Hi Team, Posting on behalf of our customer. I've shared this E2E post to our customer so he can reply when needed. When designing a positive output product using LM5176, will there be a problem if I connect the positive output…

  • LM5176-Q1: LM5176 High Temperature during Idle Condtion

    Part Number: LM5176-Q1 Other Parts Discussed in Thread: LM5176 Hi Team, We are desiging buck Boost Converter using LM5176QPWPRQ1 . We have tested for Line & Load regulation and found OK. But on board temeprature is around 56 degree during idle condition…

  • LM5176: LM5176 Humming Noise on Inductor

    TI Thinks Resolved
    Part Number: LM5176 Tool/software: HI team , Issue Summary – LM5176-Q1 Buck-Boost Humming Near VIN ≈ VOUT We are using LM5176-Q1 in a 4-switch buck-boost design, generating 28 V output from a 10–30 V input range.,Vout is set for 28V. V1.0 board…

  • LM5176: The datecode of LM5176

    TI Thinks Resolved
    Part Number: LM5176 Tool/software: Hi, Can you help to check the date code of below silk screen, thanks.
    • Answered

  • LM5176: LM5176 output voltage during FB circuit failure

    Resolved
    Part Number: LM5176 Other Parts Discussed in Thread: LM51770 , LM51772 If the LM5176's FB pin fails and is pulled to GND, it will likely continue to boost the output voltage. I would like to confirm the output voltage at that time. Input: 12V Output…
    • Resolved

  • LM5176: The technology issue for LM5176

    Part Number: LM5176 Tool/software: Hi, We use the LM5176 in the buck circuit, the input voltage is 24V, and output voltage is 12V; Now, the temperature of the MOSFET will rise above 80℃ when the output current more than 5A; Plesae refer to our schematic…
    • Answered

  • LM5176-Q1: LM5176-Q1: Power output failure for no reason - After recovered by external supply to VCC regulator

    Resolved
    Part Number: LM5176-Q1 Other Parts Discussed in Thread: LM25149-Q1 , LM5176 , TEST2 Hello everyone, We have designed a buck-boost power converter using LM5176-Q1. Specifications are below, Vin = 12V and 24V Vout = 24V O/P current = 8A Switching…
    • Resolved

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