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  • LM51581: Sepic Controller Design for PoE-Application

    Resolved
    Part Number: LM51581 Other Parts Discussed in Thread: LM5157 , LM5158 , LM5155 Hello, I want to use the LM51581 as a sepic controller to get the poe-voltage of 54vdc. The parameters are V(in) = 20 - 60vdc; V(out) 54vdc, I(load) = 1.7A. (Second application…
    • Resolved

  • RE: TPS55340: EN Threshold Voltage range is confusing.

    Hi Changhee, We cannot provide EN Threshold voltage within 5℃ to 70℃. Maybe you can take a look at LM5157 UVLO. You can program the ON/OFF voltage with LM5157 and LM5158 Quickstart Calculator for Boost Regulator Design . Best regards, Feng …
    • Answered

  • LM5155: Possible alternatives to replace LM5155

    Resolved
    Part Number: LM5155 Other Parts Discussed in Thread: LM5157 , , LM5156 , LM51561 , LM5158 , LM5156H , LM51561H Hello there: Since the stock availability is not looking good these days for LM5155, I am wondering if there are some other alternatives…
    • Resolved
    • Answered

  • PTN04050AAH obsolete - SCH/Gerbers available?

    Resolved
    Other Parts Discussed in Thread: TPS54240 , LM5155 , LM5156 , LM5158 Hi, Since the PTN04050AAH is obsolete, with no clear srop-in replacement. Is there any chance that the SCH/Gerbers can be released? We have dozens of historical deisgns that use…
    • Resolved

  • LM5156-Q1: LM5156QDSSRQ1 queries

    TI Thinks Resolved
    Part Number: LM5156-Q1 Other Parts Discussed in Thread: LM5155-Q1 , LM5158 , LM5157 , LM3481 , LM5155 , LM5156 Hi Team, For the part number LM5156QDSSRQ1 below things are missing in the datasheet. Please reply to below queries ASAP. 1. Overload and…
    • Answered

  • LMR62014: Output Power Capabilities at 15V Output Voltage

    Resolved
    Part Number: LMR62014 Other Parts Discussed in Thread: LM5158 , LM2621 Hello, I would like to know if the LMR62014 will be appropriate for my application. Output Voltage: 14V/15V Input Voltage Range: 5.5V - 12V (actual range is 6V-12V, but 5.5…
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    • Answered

  • MC34063A: Output Current Calculation

    Resolved
    Part Number: MC34063A Other Parts Discussed in Thread: LM5155 , LM5156 , LM5158 , LM5157 Hello E2E Experts, Good day. I am trying to design a circuit using the MC34063A. I need a 5V, 1.5A output using between 7-26V input. I am not good at this sort…
    • Resolved

  • RE: TPS63900: higher battery voltage application

    Hi Sean, Can I confirm all specifications with you first? Input：12V Output：5.5V ~24V / 200mA. If I am right, I suggest using SEPIC converter, device suggest LM5158. The datasheet link as below. www.ti.com.cn/lit/ds/symlink/lm5158-q1.pdf

  • LM5157-Q1: Substitute recommendation request

    TI Thinks Resolved
    Part Number: LM5157-Q1 Other Parts Discussed in Thread: TPS61170-Q1 , LM5158-Q1 , LM5158 , TPS55332-Q1 Hi, TI Support Team I have received a request to recommend replacement parts for the following parts from a customer. Please refer to the detailed…
    • Answered

  • LM51581-Q1: Flyback design works in simulation but not in real

    Resolved
    Part Number: LM51581-Q1 Other Parts Discussed in Thread: LM51581 Tool/software: Hello experts, So I designed a flyback circuit with custom transformer. I did all my simulations accordingly in Pspice and results were good and as expected.So I went ahead…
    • Resolved

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