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  • LM25149-Q1: typical power consumption of LM25149-Q1

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    Part Number: LM25149-Q1 Other Parts Discussed in Thread: LM25149 Tool/software: Hi Texas team members: I have a question about typical power consumption of LM25149-Q1, I can see the standby current, the sleep current, and shutdown current in the datasheet…
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  • LM25149-Q1: comparison between LM25149-Q1 and LM25141-Q1

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    Part Number: LM25149-Q1 Other Parts Discussed in Thread: LM25141-Q1 , , LM25148-Q1 Tool/software: Hi there! We have an EMI issue caused by LM25141-Q1, so we are evaluating the feasibility of replacing the LM25141-Q1 with the LM25149-Q1. Due to time…
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  • LM25149: LM25149-Q1 EVM Verify

    TI Thinks Resolved
    Part Number: LM25149 Tool/software: We modified the LM25149-Q1 EVM to 12v output voltage Modified items: connect VCCX to GND, FB to 49.9K to VDDA Test conditions: Input voltage 24V, output 12V, connect load machine (1A, 3A, 5A) to verify conversion…

  • LM25149-Q1: Standby current

    TI Thinks Resolved
    Part Number: LM25149-Q1 Tool/software: HI team, Why LM25149-Q1 has standy mode, the Iq is 124uA much higher than sleep mode. What is siuation to active standby mode? Best regards, Yu

  • LM25149-Q1: LM25149 POWER CHECK

    Part Number: LM25149-Q1 Other Parts Discussed in Thread: LM25149 Tool/software: Please help to check the correctness of LM25149 schematic diagram, and help to indicate the errors. Special attention the SEN and INJ pin,Thanks LM25149 SCH.pdf

  • LM25149-Q1: LM25149-Q1: Design Review Request

    TI Thinks Resolved
    Part Number: LM25149-Q1 Other Parts Discussed in Thread: LM25149 , LM25148 Tool/software: Hello Team We want to use LM25149-Q1 for Automotive controller power. We designed the circuit with information obtained using WEBENCH. We designed it to be…
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  • LM25149-Q1: Does LM25149 need an external EMI filter also with its in-built EMI filter?

    Resolved
    Part Number: LM25149-Q1 Other Parts Discussed in Thread: LM25149 Tool/software: LM25149 datasheet says external differential mode input filter size reduces by 50%. What it means... external EMI filter is needed?
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  • LM25149-Q1: Is there any way to enable active EMI filter in LM25149 even at light loads?

    Part Number: LM25149-Q1 Other Parts Discussed in Thread: LM25149 Tool/software: Datasheet says active EMI filter is disabled when load current is less than 30% of the current limit value. In my application i need a front-end converter to generate supply…

  • LM25149-Q1: Design-related concerns and thermal optimization.

    TI Thinks Resolved
    Part Number: LM25149-Q1 Hi Team, As per our client’s requirements, we need to design a DC-DC converter replacement for the PQAE50 (attached is the datasheet). PQAE50-T.pdf Below are the client specifications: Specification Table …
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  • LM25149-Q1: Integrated suggestion

    Resolved
    Part Number: LM25149-Q1 Other Parts Discussed in Thread: LM5177 Tool/software: Hi, My system requires an input voltage range of 7-18V and an output voltage range of 15-28V. I need to be able to set the output current to a fixed 3A. I should be able…
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