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  • LM3429: Heater pad control by LED driver?

    TI Thinks Resolved
    Part Number: LM3429 Other Parts Discussed in Thread: TPS92691 For a new project we are starting we need to control a polyamide heater pad with a maximum power of 160W 24V Hz. We have a temp sensor for measuring the temperature and a T.I. Piccolo DSP for…
    • Answered

  • LM3429: Pulse mode driver

    Resolved
    Part Number: LM3429 Other Parts Discussed in Thread: LM5022 Hello, I am looking for a boost converter to convert 24V (BAT) => 80V to over-drive a LED array (Vf ~ 80V - If ~ 4.9A - rD = 3.56 Ohm) at pulse width of about 200us (f ~ 20Hz). I have run some…
    • Resolved

  • WEBENCH® Tools/LM3429: WEBENCH result issues

    TI Thinks Resolved
    Part Number: LM3429 Other Parts Discussed in Thread: TPS92691 Tool/software: WEBENCH® Design Tools Design Constraints: Custom LED Vf=12.4V, If=1.05A, Rd=1.3ohm. 3-Series, 1-Parallel, Vinmin=8, Vinmax=32, Ta=30C (CREE XHP35) Can someone run these constraints…

  • LM3429: Increasing the Max Input Voltage

    TI Thinks Resolved
    Part Number: LM3429 Other Parts Discussed in Thread: ABS , TPS92075 , TPS92074 Hello there, I was thinking about adding a Zener diode/(Voltage regulator) to limit the VCC, and use appropriately rated components for the Buck-Boost configuration, so that…
    • Answered

  • LM3429: About led driver Selection question

    Resolved
    Part Number: LM3429 Other Parts Discussed in Thread: TPS92515 , TPS92691 , TPS92692 Hi, I am using LM3429 in my front Lighting design. But I saw the part No. is too old, do you have any suggest like LM3429 function ? thanks.
    • Resolved

  • LM3429: LM3429 Switch Frequency Limitation

    TI Thinks Resolved
    Part Number: LM3429 Hi Team, I saw LM3429 can program switch frequency setting off time via RCT component RT/CT, but has no recommend around minimum - maximum. Could you help provide switch frequency limitation?
    • Answered

  • LM3429: HOW TO ACHIEVE PWM IN LM3429

    Resolved
    Part Number: LM3429 HOW CAN I USE LM3429 FOR DIMMING PURPOSE? MY REQUIREMENTS ARE: IT SHOULD BE ON WHEN I PROVIDE PWM TO nDIM & SHOULD BE OFF ON PROVIDING THE SAME..
    • Resolved
    • Answered

  • LM3429-Q1: Is current limit

    Resolved
    Part Number: LM3429-Q1 Other Parts Discussed in Thread: LM3429 Hi, I'm designing a LED driver with the LM3429 as a boost: Vin=12V. Vo = 15 to 35V (typical: 29,5V). Io = 0.4 - 1A. (analog dim with i2c digital potentiometer) I don't quite understant…
    • Resolved

  • LM3429: Exported schematics doesn't work with EAGLE

    TI Thinks Resolved
    Part Number: LM3429 Hello, I've made some simulations with LM3429 and it worked fine. I had efficiency up to 93% with boost topology :D. But the problem is with exported files. I"ve exported both PCB layout ant schematics. PCB layout works fine with…
    • Answered

  • LM3429-Q1: instruction on π filter for EMI optimization

    Resolved
    Part Number: LM3429-Q1 Other Parts Discussed in Thread: LM3429 , TPS92691 , TPS92690 , TPS92692 Usually how we design a π EMI filter and how to choose the size, value of the inductor and capacitors? Do we design the EMI filter before finishing the schematic…
    • Resolved

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