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Showing 170 results View by: Thread Post Sort by
    Answered
  • LM3429-Q1: output capacitor capacitance in boost circuit

    Rokas Jasionis
    Rokas Jasionis
    Resolved
    Part Number: LM3429-Q1 Other Parts Discussed in Thread: LM3429 , TPS92692 Hello, I am having trouble designing LED Boost driver using LM3429. Since it is being used for automotive applications, the input voltage is 9 - 16V and the output current set to be…
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
  • WEBENCH® Tools/LM3429: Maximum Wattage of LM3429 LED driver

    Naveen G1
    Naveen G1
    TI Thinks Resolved
    Part Number: LM3429 Tool/software: WEBENCH® Design Tools I am using LM3429 LED driver for my buck converter design. Input is 60V to 72V and Output is 48V. I need to know maximum wattage i can go using LM3429 LED driver ? I need to design for 100W. But…
    • over 2 years ago
    • Power management
    • Power management forum
  • LM3429: How to set up the compensation capacitance value

    user5977407
    user5977407
    TI Thinks Resolved
    Part Number: LM3429 Hello Used LM3429 for automotive lighting. Have a problem. When the compensation capacitance is 220nf, the frequency will jitter. When the capacitance is 47nF, the frequency will slightly decrease with the input voltage.
    • over 1 year ago
    • Power management
    • Power management forum
  • LM3429: About RCT Pin Circuit of LM3429

    user5325338
    user5325338
    TI Thinks Resolved
    Part Number: LM3429 Hi TI, I saw below design from LM3429. Could you let me know the RCT circuit about Q9, Q8, Q10, ZD2 function? Thanks!
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • LM3429: LM3429: IS current sense

    Steven He92
    Steven He92
    Resolved
    Part Number: LM3429 Dear Sir, My customer would use LM3429 to design a Buck-boost circuit LED Driver. He saw LM3429 IS have different connect method(as red circle): MOSFET Drain side & MOSFET Source side_ current sense resistor. Could you kindly help…
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • LM3429: LM3429 current spikes

    zacharias brandt
    zacharias brandt
    TI Thinks Resolved
    Part Number: LM3429 Other Parts Discussed in Thread: TEST Hello, this chip when one uses the appnote, delivers Heavy but short current spikes to the load. When running at 12Vin that is not an issue since the pulses only come at abt 40kHz. But when running…
    • over 2 years ago
    • Power management
    • Power management forum
  • RE: WEBENCH® Tools/LM3429: LM3429

    Bhushan Waghmare
    Bhushan Waghmare
    Hi Zacharias, The fix is now available on ti.com. Regards, Bhushan
    • over 2 years ago
    • Simulation, hardware & system design tools
    • Simulation, hardware & system design tools forum
  • LM3429: LM3429 data sheet contradiction

    zacharias brandt
    zacharias brandt
    TI Thinks Resolved
    Part Number: LM3429 we have a heat problem with the LM3429 when running it with Vin from 7.2 to 6V. With 12V it is ok. I understand that, judging from the data sheet that both the 12V and the lower range is outside guaranteed specs. I must therefore try…
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • WEBENCH® Tools/LM3429: High current LED driver with LM3429

    Truong Giang
    Truong Giang
    Resolved
    Part Number: LM3429 Tool/software: WEBENCH® Design Tools Hello, I am designing a driver for LED CMT2890 (Vf=54V; I=3.3A) using LM3429. The input: + VIN=12V + Vled=54V; I=3.3A. => Iswitch~20A. I tried to use WEBENCH but the tool does not support my case.…
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
  • LM3429: start up time

    Yuto Sakai
    Yuto Sakai
    TI Thinks Resolved
    Part Number: LM3429 Hi, It takes 30ms to start boost operation after input voltage to VCC pin (nDIM pin). Is it correct? Please let me know if there is any missing information. Best regards, Yuto Sakai
    • over 2 years ago
    • Power management
    • Power management forum
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