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Showing 110 results View by: Thread Post Sort by
  • LP8864S-Q1: LP8864S-Q1 Tech issue

    Charlie Zou
    Charlie Zou
    Part Number: LP8864S-Q1 LP8864S-Q1 LED-DRIVER Backlinght typical current is 300mA, voltage 8.4(Min)~9.6(Tpy)~10.5(Max) Now IIC no feedback, to power on the backlight SCH below, if have issue about SCH. Also we need the config about open close…
    • 17 days ago
    • Power management
    • Power management forum
  • LP8864S-Q1: LP8864S-Q1 Circuit schematic review

    Allen Chu
    Allen Chu
    Part Number: LP8864S-Q1 Dear team, LP8864S-Q1 is used as a backlight driver application. Could you please help review the schematic diagram? As it is not convenient to disclose, can we send it by email?
    • 11 days ago
    • Power management
    • Power management forum
  • LP8864-Q1: SEPIC mode heat-up issue with LP8864-Q1

    Surender Sharma
    Surender Sharma
    Part Number: LP8864-Q1 Tool/software: Hi, We connected a TFT display with LP8864-Q1 in sepic mode the current set 270mA, and both the MOSFET and the inductor are heating up. When the switching frequency is set to 500 kHz, the MOSFET(TQM130NB06CR)…
    • 5 months ago
    • Power management
    • Power management forum
  • Answered
  • LP8864-Q1: Schematic review

    LcMa
    LcMa
    Resolved
    Part Number: LP8864-Q1 Hi TI team, could we please do a schematic review of our design around boost LED driver - LP8864-Q1? Could you please send me a private message so I can share the design there, not to share it publicly because of confidentiality…
    • Resolved
    • 5 days ago
    • Power management
    • Power management forum
  • LP8864S-Q1: LP8864 Boost output

    haitao.zhang
    haitao.zhang
    Part Number: LP8864S-Q1 Tool/software: The LP8864 chip is not connected to a string of lights. After testing the diode, the voltage is 43V. What's going on? After connecting the string of lights, it doesn't light up normally. Is it because the chip is…
    • 6 months ago
    • Power management
    • Power management forum
  • LP8864-Q1: LP8864 I2C-controllable driver for high power UV LED

    Michael Schmied
    Michael Schmied
    Part Number: LP8864-Q1 Tool/software: Hello Ti-Team, We have to design a controllable current source, which has to dim our high-power UV-LED analog. The current should be regulated with the 12 Bit resolution. Our full scale current is 250mA. We would…
    • 6 months ago
    • Power management
    • Power management forum
  • LP8864-Q1: LP8864 SEPIC calculator

    Mahabir verma
    Mahabir verma
    Part Number: LP8864-Q1 Tool/software: Hi Please share calculator for SEPIC design and reference schematic. Mahabir Verma
    • over 1 year ago
    • Power management
    • Power management forum
  • LP8864S-Q1: What's the maximum value of Rg

    Ankang Wang
    Ankang Wang
    Part Number: LP8864S-Q1 Hi experts, Chery is using our LP8864S-Q1 as their backlight driver on theri display project, need to confirm with you what the maximum value of Rg(the resistor on GD pin)? What's the effect will be caused by change the Rg…
    • 4 months ago
    • Power management
    • Power management forum
  • LP8864S-Q1: Calculation tool request

    Ankang Wang
    Ankang Wang
    Part Number: LP8864S-Q1 Tool/software: Hi experts, My customer Chery is using our LP8864S-Q1 on their Automotive display projects, could you please help provide the LP8864S-Q1 calculation tools for customer? Thanks! Best regards, Ankang
    • 6 months ago
    • Power management
    • Power management forum
  • LP8864S-Q1: LP8864S-Q1 SEPIC MODE

    ?? ?
    ?? ?
    Part Number: LP8864S-Q1 Tool/software: Hi team, In LP8864S-Q1, there is booster mode and SEPIC mode, what is the difference? Can SEPIC mode work on both booster mode and buck mode? for example, in my truck project, battery voltage is 24V typical(16V…
    • over 1 year ago
    • Power management
    • Power management forum
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