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  • TPS61158: Re: Parts damaged during production testing (LX and VOUT pins shorted)

    Part Number: TPS61158 Tool/software: Hi Patrick, In reference to the thread started by Nicholas Medor "Parts damaged during production testing (LX and VOUT pins shorted)", we were able to determine the root cause of the damaged TPS61158 LED Drivers.…

  • TPS61158: Inductor Compatibility with TPS61158DRVR

    Part Number: TPS61158 Tool/software: Dear TI Support Team, I am currently working on a project involving the TPS61158DRVR, and I have encountered an issue with selecting an appropriate inductor. The datasheet suggests several inductor part numbers for…
    • Answered

  • TPS61158: LED Driver for 1Sx5P Configuration

    Resolved
    Part Number: TPS61158 Other Parts Discussed in Thread: TPS61169 Hello, Is there a recommended white LED driver configured as 1Sx5P (5x LEDs in parallel, anode and cathodes are connected together) with the following specifications? I was considering the…
    • Resolved
    • Answered

  • TPS61158: SW node periodically halts at low PWM duty

    Resolved
    Part Number: TPS61158 Hello, Currently I am testing the TPS61158 using the TPS61158EVM-565. Test Setup and Config as below: - VIN : 5V from power supply - 6 LED config and PWM dimming mode (JP3 shorted and JP1 shorted, the rest are open) - PWM frequency…
    • Resolved
    • Answered

  • TPS61158: Start up delay time and shutdown delay time for PWM mode

    Resolved
    Part Number: TPS61158 Hello, I have question regarding the parameter on the datasheet. TPS61158 datasheet Figure 8 shows the timing diagram for startup and shutdown for the PWM mode, but I can't find the values for the startup delay, FB ramp and shutdown…
    • Resolved

  • Parts damaged during production testing (LX and VOUT pins shorted)

    Part Number: TPS61158 Tool/software: We are exploring using Texas Instruments PN TPS61158DRVR as an alternate source for one of our designs that's already in production. We built prototypes using the TPS61158, ran the prototypes through our functional…

  • TPS61158: TPS61158

    TI Thinks Resolved
    Part Number: TPS61158 Can I power the part with 6 Volt source on the input side of the inductor while the rest of the IC is on 3.3V source
    • Answered

  • TPS61166: Dimming method of TPS61166 and TPS61158

    Resolved
    Part Number: TPS61166 Other Parts Discussed in Thread: TPS61158 Hi team, I'd like to check about dimming method for TPS61166 and TPS61158. I think that TPS61166 employs PWM dimming, and TPS61158 employs analog dimming by PWM signal. Is my understanding…
    • Resolved

  • TPS61158: Lower PWM frequency then recommended range 20k~100kHz

    TI Thinks Resolved
    Part Number: TPS61158 Hi Team, My customer wants to use 10kHz PWM frequency for dimming if possible. We are understanding our recommendation is 20k~100kHz for CTRL control though, what side effect will be expected if they use the lower frequency for CTRL…

  • TPS61158: TPS61158 No Load Issue.

    TI Thinks Resolved
    Part Number: TPS61158 Dear TI Team, This is an extension of the question linked below. In Open Load, Open Load Protection does not seem to work as shown below. I'm still having trouble, and I want to check if there is a problem with my circuit implementation…

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