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  • RE: TPS92690: power led driver

    Resolved
    Thank You Best Regards Fabrizio Borra - Lupo srl

  • TPS92690: How can we reduce heat on the board

    TI Thinks Resolved
    Part Number: TPS92690 HI Sir, we have apply TPS92690 on our design, however the whole board feeling is quite hot, and the inductor is about 60 degree C, input 24Vdc, output 44V 0.326A, how can we reduce the heat. thanks! With best regards, …
    • Answered

  • RE: TPS92690-Q1: whether the maximum current “5A” is the continuous working current of tps92690-q1？

    Resolved
    Hello Kane, From the datasheet: "When designing, the maximum attainable LED current is not internally limited because the TPS92690 device is a controller. Instead it is a function of the system operating point, component choices, and switching frequency…
    • Answered

  • TPS92690-Q1: TPS92690 samples

    Resolved
    Part Number: TPS92690-Q1 Sir, I'm designing TPS92690Q1PWP/NOPB to our product and need a few samples for prototype. It is not available from distributor and sample order in TI website. Can you please send me a few samples ASAP? Thanks, Mark
    • Resolved

  • TPS92690-Q1: TPS92690-Q1

    TI Thinks Resolved
    Part Number: TPS92690-Q1 Dear Sir, Do you have a design example for OVP circuit of datasheet Figure 19? Please explain how to design OVP circuit for CUK converter. Thanks, Mark

  • TPS92690: SEPIC,STAND BY

    TI Thinks Resolved
    Part Number: TPS92690 Other Parts Discussed in Thread: TPS92691EVM-001 , TPS92691 , , TPS92692 Hello. I used TPS92691EVM-001 sepic eval board, it work well in my aplication (Vin 8-30 V Vout 20-30 V I Out 0.8A 1000Hz PWM dimming 10-100%) can i use TPS92690…
    • Answered

  • TPS92690: Resistive Load Loop Stabilization

    Resolved
    Part Number: TPS92690 Other Parts Discussed in Thread: TPS92692-Q1 Hello, This is very early on in debugging with a customer so I am trying to get a lot more information. What I have heard is that some issues are being seen with driving resistive loads…
    • Resolved
    • Answered

  • RE: TINA/Spice/TPS92690: Dimming function

    Resolved
    Hi Dariusz, We observed ringing in output waveform (V_LED) at the transition of nDIM pin voltage. When we reduce the value of capacitor C1, ringing reduces. Hence, to avoid ringing in output waveform, I reduced the value of capacitor C1. Thanks &…

  • TPS92690: LM3404

    TI Thinks Resolved
    Part Number: TPS92690 Other Parts Discussed in Thread: LM3404 , , TPS92691 , TPS92692 Hi David, Based on your reply for LM3404, I can use TPS92690 to drive 7pcs OSRAM SFH4726 LEDs(Vf=2.75V, If=1A max) when my input voltage is 12V, right? Is this the…
    • Answered

  • TPS92690: Incorrect datasheet equations?

    Resolved
    Part Number: TPS92690 On the datasheet, it looks like equation 18 and equation 20 on pages 15 and 16 on the datasheet are incorrect. Can you verify that it's supposed to be Vturn-off = 1.24*(R_ov1+Rov2)/Rov1 for equation 18 and Vturn-on=1.24*(Ruv1+Ruv2…
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