TI E2E support forums
TI E2E support forums
  • User
  • Site
  • Search
  • User
  • E2E™ design support >
  • Forums
    • Amplifiers
    • API solutions
    • Audio
    • Clock & timing
    • Data converters
    • DLP® products
    • Interface
    • Isolation
    • Logic
    • Microcontrollers
    • Motor drivers
    • Power management
    • Processors
    • RF & microwave
    • Sensors
    • Site support
    • Switches & multiplexers
    • Tools
    • Wireless connectivity
    • Archived forums
    • Archived groups
  • Technical articles
  • TI training
    • Tech days
    • Online training
    • Live events
    • Power Supply Design Seminar
  • Getting started
  • 简体中文
  • More
  • Cancel


Search tips
Showing 18 results View by: Thread Post Sort by
  • LP8865X-Q1: LED driver LP8865XQDMTRQ1 PWM control issue

    Sreejith P Kumar
    Sreejith P Kumar
    Part Number: LP8865X-Q1 We can't controll the LED Current and Brightness . Already tried changing Rsense ,Csense, Also tried adjusting compensation network . Led current is always around 1.3A . with output current nearly 3A. Vin is 20V. Vout = 36V . Fault…
    • 24 days ago
    • Power management
    • Power management forum
  • LP8865X-Q1: LED Driver for 5V Vin

    Egemen Aksoy
    Egemen Aksoy
    Part Number: LP8865X-Q1 Other Parts Discussed in Thread: LP8868X-Q1 Tool/software: Hello, In our project we are considering to use LP8865X-Q1 led driver with, Vin = 5V Vout =19V , Iout=450mA According to the datasheet, efficiency graphic is started…
    • 5 months ago
    • Power management
    • Power management forum
  • LP8865X-Q1: Reference Voltage is not maintained across Rsns at PWM=1

    Navinkkumar k
    Navinkkumar k
    Part Number: LP8865X-Q1 Hi Ti Team. We Have been using the LP8865XQDMTRQ1 Led driver for driving 20W of LEDs ( 40V @ 0.5A) from 20V as Input and using the Ti formula, we have placed Rsns as 0.4 ohms but we not getting 0.2 V across the Rsns and due to…
    • 1 month ago
    • Power management
    • Power management forum
  • Answered
  • LP8865X-Q1: EVM and design calulator

    Josh Wei
    Josh Wei
    Resolved
    Part Number: LP8865X-Q1 Tool/software: Hi Team, Why does the EVM of LP8865X-Q1 is another part number? How could i find the design calucator? thanks. Josh
    • Resolved
    • 11 months ago
    • Power management
    • Power management forum
  • LP8865X-Q1: TFT backlight driver design and calculator requirement

    Brian Lin
    Brian Lin
    Part Number: LP8865X-Q1 Tool/software: We have a TFT panel backlight driver circuit need to design. 1.The forward voltage range is 30V~36V and its typical forward current is 270mA. The Vin of driver chip is 4.5V~ 5.5V and the LED backlight circuit…
    • 9 months ago
    • Power management
    • Power management forum
  • LP8865X-Q1: PWM acceptable frequency range for PWM dimming.

    Navinkkumar k
    Navinkkumar k
    TI Thinks Resolved
    Part Number: LP8865X-Q1 Tool/software: Hi Ti Team, Could you please share the acceptable frequency range for PWM dimming option in LP8865XQDMTRQ1, in addition to the already mentioned minimum pulse width requirement? Thanks.
    • 8 months ago
    • Power management
    • Power management forum
  • LP8865X-Q1: Recommend suitable chip products

    Rhea Gao
    Rhea Gao
    Part Number: LP8865X-Q1 Tool/software: Hi, There are 14 leds, which need to boost the LED driver chip, and the current is expected to be 200-500mA. If 14 pieces are connected in series, the voltage is expected to be 49V, and if the scheme voltage is…
    • 10 months ago
    • Power management
    • Power management forum
  • LP8865X-Q1: Which EVM can I use for evaluate LP8865X-Q1 LP8865Y-Q1 and LP8865Z-Q1

    PYTsai
    PYTsai
    Part Number: LP8865X-Q1 Other Parts Discussed in Thread: LP8865Y-Q1 , LP8865Z-Q1 Hi Which EVM can I use for evaluate LP8865X-Q1 LP8865Y-Q1 and LP8865Z-Q1 ? thanks!
    • over 1 year ago
    • Power management
    • Power management forum
  • LP8865X-Q1: the resolution of 28LEDs by LP8865X

    Mengyao Ding
    Mengyao Ding
    Part Number: LP8865X-Q1 Tool/software: Hi, I have a question about LED Driver selection. our LED concept is 28LEDs and max current is 226mA, LED forward voltage is about 3.5v. I want to know whether can we use the LP8865X,the booster version, to…
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • LP8865X-Q1: selection guide for LP8865-Q1 and LP8866-Q1

    Jerry Hu
    Jerry Hu
    Resolved
    Part Number: LP8865X-Q1 Other Parts Discussed in Thread: LP8866-Q1 Tool/software: Hi experts My customer have 15 LEDs (part number KM DMLQ32), and they are searching for LED driver. I don't know LP8865-Q1 and LP8866-Q1 which is suitable for them,…
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
>

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

  • Ask a new question