Search tips
Showing 93 results View by: Thread Post Sort by
    Answered

  • TPS922055: Evaluation module Bill of Materials

    Resolved
    Part Number: TPS922055 Tool/software: Dear TI Forum, a week ago, we received a TPS922055DRRREVM evaluation module in a WSON package. However, the components on this module differ from those listed in the TPS92205xEVM Bill of Materials. Could you provide…
    • Resolved
    • Answered

  • TPS922055: Schematic Review

    Resolved
    Part Number: TPS922055 Tool/software: Dear TI-, I 'm writing to request a review of my design. The project specifications are as follows: The LED driver will be driving 3 LED @0.7A, connected in series (with 3*Vf = 3*12V). Vcc = 48V Switching…
    • Resolved
    • Answered

  • TPS922055: FAULT signal start-up timing, when is it valid?

    Resolved
    Other Parts Discussed in Thread: TPS922055 Tool/software: What is the start-up timing for the FAULT pin? From were in time does it have a valid state? Could I use the FAULT function to power down the device? But then for how long do I have to mask…
    • Resolved
    • Answered

  • TPS922055: LED Doesn't Turn On at Low Duty Cycle Initially & Limited Dimming Range on Custom Board

    Resolved
    Part Number: TPS922055 Tool/software: Hi. I'm currently working with the TPS922055 EVM board and noticed some unexpected behavior related to PWM dimming: When I gradually increase the duty cycle as shown in the attached examples, the LED stays off…
    • Resolved

  • TPS922055: Adjustable Power Supply with fixed input voltage

    TI Thinks Resolved
    Part Number: TPS922055 Other Parts Discussed in Thread: TPS92518HV , LMR36500 Tool/software: Hi, i am searching for an adjustable power supply in the range of: Input voltage: +48V (fixed) Output voltage of about +12V to +32V @0,5mA max. The…
    • Answered

  • TPS922055: Schematic review for dimming 12x Cree XP-G4 LEDs

    Resolved
    Part Number: TPS922055 Tool/software: Dear TI, I would like to request a review of the following design. The goals of the design are as follows: Dimming of 12x Cree XP-G4 High Intensity LEDs in series 42V input Hybrid dimming (ADIM/HD pulled…
    • Resolved
    • Answered

  • TPS922055: Does not reach target current + Flickering

    Resolved
    Part Number: TPS922055 Tool/software: Hi, we are using the TPS922055 for the first time und unfortunately ran into some issues with it: Expected behavior: - Quadratic increase of LED current up to set current (606 mA) with flexible dimming Observed…
    • Resolved

  • TPS922055: Can TPS922055 drive more than 4A if inductor ripple current is smaller with larger inductance?

    TI Thinks Resolved
    Part Number: TPS922055 Hello guys, One of my customers is considering using TPS922055 for their next products as a light source for camera. They want to drive LED current, 5A as the maximum with 256 steps. At this moment, they have the following questions…
    • Answered

  • TPS922055: Alternative to Handle Higher Input Voltage

    Resolved
    Part Number: TPS922055 Other Parts Discussed in Thread: TPS92640 , TPS92641 Tool/software: Hi, I'm looking for an alternative to the TPS922055 (but similar functionality) that can handle a higher input voltage in the range of 65V to 70V. In my application…
    • Resolved
    • Answered

  • TPS922055: Help Identifying IC with Marking "P2055 TI318 A3C2"

    Resolved
    Part Number: TPS922055 Tool/software: Hi, I have an IC that I am trying to identify. It is marked with the following: P2055 TI318 A3C2 I've done some preliminary research, however, I haven't been able to find a definitive datasheet or more…
    • Resolved

Didn't find what you are looking for? Post a new question.