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Showing 24 results View by: Thread Post Sort by
  • LP5891-Q1: Control method if 2 LP5891-Q1s are used

    Chase Jeong
    Chase Jeong
    TI Thinks Resolved
    Part Number: LP5891-Q1 Other Parts Discussed in Thread: LP5899 Tool/software: Dear TI experts, My customer now checks the specification of LP5891-Q1 for their next project. They already tested one LP5891-Q1 with F280039C which is referenced in EVM…
    • 2 months ago
    • Power management
    • Power management forum
  • LP5891-Q1: Questions about LP5891-Q1

    Chase Jeong
    Chase Jeong
    TI Thinks Resolved
    Part Number: LP5891-Q1 Tool/software: Dear TI experts, My customer checks the specification of LP5891-Q1. Could you check the questions from my customer? 1. If I use red LED only, Can I apply 3.3V to VCC,VLEDR,VLEDGB power rails? 2. Is there any…
    • 4 months ago
    • Power management
    • Power management forum
  • LP5891-Q1: Question ablut LP5891-Q1

    Chase Jeong
    Chase Jeong
    Part Number: LP5891-Q1 Tool/software: Dear TI experts, My customer consider LP5891-Q1 for their new project. They prepare to make the schematic now, and they have some questions. Could you check the questions in the power point file below? LP5891Q1_250922…
    • 2 months ago
    • Power management
    • Power management forum
  • LP5891-Q1: Multiplexing options with LP5891-Q1

    Christoph Schmid
    Christoph Schmid
    Part Number: LP5891-Q1 Tool/software: Dear all, we would like to drive a LED matrix with ~ 10 000 LEDs in a passive matrix manner with the LP5891-Q1. Using 4 LP5891-Q1 as described in the datasheet allows us to use 192 x 64 monochromatic LEDs, which…
    • over 1 year ago
    • Power management
    • Power management forum
  • LP5891-Q1: 在独立模式下,一路SPI 可以驱动多少个LP5891

    jimmy gao
    jimmy gao
    TI Thinks Resolved
    Part Number: LP5891-Q1 Other Parts Discussed in Thread: LP5891 Tool/software: 我看到论坛之前有人问过,使用菊花链串多个LP5891,最多能串多少个,然后下面给出的答案时32个,但是我在规格书上并没有找到所贴图片,请官方帮忙说明下,独立模式下,一个SPI 菊花链可以驱动多少颗LP5891。
    • 5 months ago
    • Power management
    • Power management forum
  • Answered
  • LP5891-Q1: LP5891-Q1 LED Open Detection Voltage Threshold Issue

    allen yang
    allen yang
    Resolved
    Part Number: LP5891-Q1 Tool/software: Hi TI expert, I've been reviewing the LP5891-Q1 LOD and LSD related programs and have encountered a question. According to the datasheet, the operating voltage range for VLED_R/G/B is from 2.5V to 5.5V. However…
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
  • LP5891-Q1: LP5891

    Sunrise
    Sunrise
    Part Number: LP5891-Q1 Other Parts Discussed in Thread: LP5891 , LP5892-Q1 Tool/software: Hi, looking for a LED driver with higher current rating (40mA) of LP5891. The part number might be LP5892-Q1. Could anyone please help me to get datasheet and…
    • over 1 year ago
    • Power management
    • Power management forum
  • LP5891-Q1: LP5891-Q1

    Sunrise
    Sunrise
    Part Number: LP5891-Q1 Hi what is the time line for the high current rating version? Thanks.
    • over 1 year ago
    • Power management
    • Power management forum
  • LP5891-Q1: LP5891-Q1 Circuit

    Ahn Young Taek
    Ahn Young Taek
    Part Number: LP5891-Q1 Tool/software: I would like to design a circuit for RED LED in 105X84. Please review whether it is possible to design it as shown below. IC 1 and IC6 are SCAN forward IC2, IC3, IC4, IC5 are SCAN reverse IC connections are…
    • over 1 year ago
    • Power management
    • Power management forum
  • LP5891-Q1: LP5891-Q1

    wang sky
    wang sky
    Part Number: LP5891-Q1 Other Parts Discussed in Thread: LP5891 Tool/software: I have two questions that I’d like to ask both of you: We are attempting to measure the PWM signal of the “LP5891” IC. To do so, we connected an oscilloscope to LINE0 and…
    • over 1 year ago
    • Power management
    • Power management forum
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