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  • TPS61165: TPS61165 Output voltage set

    Part Number: TPS61165 Tool/software: Hello, TPS61165DRVRG4 is constant current LED driver. The LCD module backlight has a spec for both voltage and current. for example, our backlight has a current spec 180mA and voltage spec typ 9.6V, max10.2V. In…

  • TPS61165: Schematic Review

    TI Thinks Resolved
    Part Number: TPS61165 Tool/software: Hello, We are using the TPS61165 for brightness control to drive a 12 V, 1 A LVDS display. We have designed the schematic—could you please review it and share your valuable feedback? Also, please check the Schottky…

  • TPS61165: TPS61165 erratic behaviour

    Part Number: TPS61165 Tool/software: Hello ! I got couple of LED drivers, driven from 4V Li battery. Most of them work well (output current 60mA is correct, wave is rectangular) but one has very erratic waveform with overshoots and output current does…

  • TPS61165: problem with diode being destroyed

    TI Thinks Resolved
    Part Number: TPS61165 Tool/software: Hello We have been using this circuit for 7 years, roughly 7,000 boards with no issues. Suddenly we have had several boards fail in the field where D1 gets destroyed. We also had only 2 boards where U1 was damaged…

  • TPS61165-Q1: TPS61165 Output Voltage measure

    TI Thinks Resolved
    Part Number: TPS61165-Q1 Other Parts Discussed in Thread: TPS61165 , LP8869-Q1 Tool/software: Hi TI team I am trying to use TPS61165 IC. I am using this IC for LCD Back light control, Which has 27 LED (3S ,9P). Required LCD backlight forward voltage…
    • Answered

  • TPS61165: How to reduce the 1.2 MHz pickup

    Resolved
    Part Number: TPS61165 Tool/software: Why was my post thread blocked, its not finished, I was waiting for the new PCBs to test the circuit changes.
    • Resolved
    • Answered

  • TPS61165: EasyScale: One-Wire Digital Dimming

    Resolved
    Part Number: TPS61165 Other Parts Discussed in Thread: TPS92360 , TPS923650 Tool/software: Hi Sir, I’d like to check if the FB voltage can stay stable without noticeable ripple when using one-wire digital dimming. With PWM dimming, the FB is formed…
    • Resolved

  • TPS61165: Driver Not Regulating Current

    TI Thinks Resolved
    Part Number: TPS61165 Other Parts Discussed in Thread: TPS61169 , Tool/software: Hello E2E Experts, Good day. I'm building a project with your TPS611655DBVR driver . It is powered by a 4.2 V battery . The 4p6s LED matrix is powered with the required…

  • TPS61165: Powerful enough for 35 V 0.33 A LED?

    Part Number: TPS61165 Other Parts Discussed in Thread: TPS923652 Tool/software: Hello, I'm having trouble getting the TPS61165 to power a 35 V 0.33 A LED. I believe it's the boost converter reaching it's natural limit? VIN = 12 V CTRL = 12…

  • TPS61165: TPS61165

    Part Number: TPS61165 Hi , We are using TPS61165DBVR LED Driver , When applying the Vin = 5V, 0.5A, PWM 50KHz to the LED driver ic, i am getting same 5V across the LEDs, the output voltage is not boosted. Please clarify what was the wrong Regards…

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