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  • TPS92515: Inquiry about PWM frequency of TPS92515

    TI Thinks Resolved
    Part Number: TPS92515 Hi, TI expert Customer is implementing IR LED dimming using TPS92515. Currently, PWM signals are applied at a frequency of about 20 kHz, If you check the contents of the data sheet below, Standard is 100 Hz to 2 kHz, and the example…

  • TPS92515-Q1: Clarification on Current Calibration Feature in TPS92515-Q1 vs TPS92515HV-Q1

    Part Number: TPS92515-Q1 Other Parts Discussed in Thread: TPS92515HV-Q1 , TPS92515AHV-Q1 , TPS92643-Q1 , TPS92642-Q1 , LM3406HV-Q1 Dear TI Support Team, I’m evaluating the TPS92515-Q1 and TPS92515HV-Q1 for an automotive LED driver application and would…
    • Answered

  • TPS92515-Q1: Glitch in Output Waveform.

    Resolved
    Part Number: TPS92515-Q1 Other Parts Discussed in Thread: TPS92515 I am using a TPS92515 to drive a set of series / parallel LEDs. The part is getting very hot (145 C) and the Vcc/Boot diode is also getting very hot (165 C). Upon looking at the output…
    • Resolved

  • TPS92515-Q1: fit rate

    TI Thinks Resolved
    Part Number: TPS92515-Q1 Tool/software: Good day, colleagues, Do you have failure rate (FIT) value of TPS92515QDGQRQ1 based on IEC 62380? The FIT value that is available on TI website is too low to be real https://www.ti.com/quality-reliability…
    • Answered

  • TPS92515: When is calibration performed?

    Resolved
    Part Number: TPS92515 Tool/software: Hello, The TPS92515 has a power on calibration. Does this calibration take place during the non-switching period immediately after the input voltage has reached the operating range? Or is calibration performed after…
    • Resolved
    • Answered

  • TPS92515: Noise issue

    Resolved
    Part Number: TPS92515 Tool/software: Hi, We occur TPS92515 noise issue. Input voltage :9V R15:20K R14:10K 1.When the TPS92515 is operating without a load, the output voltage (LED1+, LED1-) exhibits the voltage waveform shown below, which…
    • Resolved
    • Answered

  • TPS92515: Symptoms of current value changing occur

    Resolved
    Part Number: TPS92515 Tool/software: Hello, I am an FAE at a distributor that handles TI products. I have received some questions from my customer about the TPS92515. When using the same board and device, turning the circuit on and off several times…
    • Resolved

  • TPS92515-Q1: IL-Peak Different when Test with Same Board

    Part Number: TPS92515-Q1 Tool/software: Hi team, My customer Valeo are using TPS92515-Q1 for their project. And they found when test with same board at different power cycle, they found the IL-peak sometimes is different, causing output current accuracy…
    • Answered

  • TPS92515: Is there any way to drive 2 LED strings by TPS92515?

    Resolved
    Part Number: TPS92515 Hello guys, One of my customers is considering using TPS92515 for their new products. Also they want to drive 2 LED strings (One is day light color LED and the other is lamp color LED) by one TPS92515. But It is not necessary…
    • Resolved

  • TPS92515-Q1: design review +output current not match calculation

    TI Thinks Resolved
    Part Number: TPS92515-Q1 Tool/software: hi team, May you help review the sch design and check what are the possible reason for output current not meet setting? Calculate Iout=0.77A but actual test results is 0.5A, if we change the Rsense value, the…

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