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  • TIDA-070002: Magnetic Feedback Circuitry

    Part Number: TIDA-070002 Other Parts Discussed in Thread: UC1901 , , UC1843A Hi, I'm interested in UC1901, I saw TIDA-070002. Thank for this design note! Q1) For the primary side of magnetic feedback, there is offset network with R20 and R29. What is…

  • TIDA-070002: TIDA-070002

    TI Thinks Resolved
    Part Number: TIDA-070002 Other Parts Discussed in Thread: SM74611 , UC1901-SP Hello Daniel, Hope you are well. Given that the max output load current from the TIDA-070002 could be 10A, why did you choose a coupled inductor with a secondary winding rated…

  • TIDA-070002: Reference Design

    TI Thinks Resolved
    Part Number: TIDA-070002 Other Parts Discussed in Thread: LM139 , UC1843B-SP , LM117 , UC1843 , TPS50601A-SP , LM137 Hello, I have some questions about the TIDA-070002 reference design: 1. why isolate the feedback loop, what advantage does this give? 2. would…
    • Answered

  • RE: UC1901-SP: CC/CV Without Opto-coupler

    Resolved
    Hey Karthik, You are able to do feedback without optocoupler with UC1901-SP. There is an example here: https://www.ti.com/tool/TIDA-070002 Thanks, Daniel

  • UC1901-SP: SEL info

    TI Thinks Resolved
    Part Number: UC1901-SP Other Parts Discussed in Thread: TIDA-070002 , UC1843A-SP , Team, My immediate need is to come up with an architecture for a HARD Isolated House-Keeping power supply (~50W). Similar to TIDA-070002 The PWM Controller’s (UC1843A-SP…
    • Answered

  • UC1843A-SP: Feedback and isolation

    Resolved
    Part Number: UC1843A-SP Other Parts Discussed in Thread: UC1843-SP , TIDA-070002 , UC1843 , UC1901-SP Hi, I have a customer interested in the UC1843-SP. Please help answer the following question. I saw the sample circuit in the datasheet and the TIDA-070002…
    • Resolved
    • Answered

  • RE: WEBENCH® Tools/UC1845: UC1845

    Resolved
    Hey Vikrant, The IC you choose should work for the topology. I do notice in the schematic that you use LM431 which has a reference voltage of 2.5, thus you would be unable to make a 2 V output. I mostly deal with custom transformers for designs and if…

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