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Showing 87 results View by: Thread Post Sort by
    Answered
  • TPS92691-Q1: Enable/Disable switching

    Vaibhav Khatri
    Vaibhav Khatri
    Resolved
    Part Number: TPS92691-Q1 Tool/software: Hello, I am planning to use TPS92691-Q1 for a LED driver design and I intend to use it in BOOST mode. In my design I don't intend to use the PWM dimming functionality, so if I tie PWM pin to VCC, would I still…
    • Resolved
    • 4 months ago
    • Power management
    • Power management forum
  • TPS92691-Q1: Gate pin activated when energizing Vin pin

    Killyon  Pereira
    Killyon Pereira
    TI Thinks Resolved
    Part Number: TPS92691-Q1 Tool/software: I have a problem where the gate pin is activated as soon as only the Vin pin is supplied with 13V. Has anyone had a similar problem? Thanks
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • TPS92691-Q1: Recommended LED driver solutions

    Vayne Li
    Vayne Li
    Resolved
    Part Number: TPS92691-Q1 Other Parts Discussed in Thread: TPS922052 , LP8868Z-Q1 Tool/software: Hi Teams, The customer is looking for a backlight driver solution, similar to BL9582B, that drives 2x3W infrared LEDs in series. When inputting 12V, the…
    • Resolved
    • 11 months ago
    • Power management
    • Power management forum
  • TPS92691-Q1: what is the difference between TPS92691 and TPS92692?

    Jiawei Hu1
    Jiawei Hu1
    TI Thinks Resolved
    Part Number: TPS92691-Q1 Other Parts Discussed in Thread: TPS92692 , TPS92691 Hi team, As the title, could you kindly tell me what is the difference between TPS92691 and TPS92692? Thanks! BR Jiawei
    • over 3 years ago
    • Power management
    • Power management forum
  • Answered
  • TPS92691-Q1: Switching transistor and diode keep buring

    Alexander MacDonald
    Alexander MacDonald
    Resolved
    Part Number: TPS92691-Q1 Other Parts Discussed in Thread: TPS92691 I've been working on a design using this LED driver (albeit, we're using it with a laser diode) for a couple days. Please see the schematic below. Without going into too many details…
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • TPS92691-Q1: Minimum duty cycle

    Hazel Sun
    Hazel Sun
    TI Thinks Resolved
    Part Number: TPS92691-Q1 Hi team, could you help tell me the Minimum duty cycle for boost of 92691 cause there is only the max duty cycle in DS, thanks
    • over 3 years ago
    • Power management
    • Power management forum
  • TPS92691-Q1: Buck-Boost topology from a large voltage supply

    Alexander MacDonald
    Alexander MacDonald
    TI Thinks Resolved
    Part Number: TPS92691-Q1 Other Parts Discussed in Thread: TPS92691 We are investigating using the TPS92691 in a buck-boost topology. The power supply that we are using to power the LEDs is 48 V. We need between 36.4 V and 52 V out. I will note that we…
    • over 2 years ago
    • Power management
    • Power management forum
  • TPS92691-Q1: Duty cycle is wrong

    Alexander MacDonald
    Alexander MacDonald
    TI Thinks Resolved
    Part Number: TPS92691-Q1 I'm debugging a design for a project that we've already prototyped and tested. I know that the design works. Anyhow... We soldered the first one on Friday. The only difference is that we didn't solder the DAC and buffer (which…
    • over 2 years ago
    • Power management
    • Power management forum
  • TPS92691-Q1: SW Pin abnormal voltage waveform

    Jeff Yun
    Jeff Yun
    TI Thinks Resolved
    Part Number: TPS92691-Q1 Other Parts Discussed in Thread: TPS92691 Hi, Team My customer is using our TPS92691 as Sepic CC mode. The load is 6 LEDs, output constant current is 1A, and the load voltage is 3V/per LED. Now customer engineer measures…
    • over 3 years ago
    • Power management
    • Power management forum
  • TPS92691-Q1: Resistor keeps burning

    Alexander MacDonald
    Alexander MacDonald
    TI Thinks Resolved
    Part Number: TPS92691-Q1 Other Parts Discussed in Thread: TPS92691 I've designed a switching controller using this chip for use with a large LED array. It's still in a prototype stage, so I'm using a potentiometer/voltage divider to adjust the voltage…
    • over 3 years ago
    • Power management
    • Power management forum
>

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