• LP8867Q1EVM: Different LED per channel cause Fault

  

  Kei Kuwahara

  Part Number: LP8867Q1EVM Hello team, I have connected 8 LEDs on OUT1 -> no problem I have connected 9 LEDs on OUT2 -> no problem I have connected 8LEDs on OUT1 and 9LEDs on OUT2 @ PWM Duty 100% -> device output FLT signal. The VBoost was 33V. The…

  • over 1 year ago
  • Power management
  • Power management forum

• LP8867Q1EVM: I would like to replace LP8867-Q1 for LP8869C-Q1 in this EVM

  

  Keigo Ishii

  TI Thinks Resolved

  Part Number: LP8867Q1EVM Other Parts Discussed in Thread: LP8869C-Q1 , LP8867-Q1 Tool/software: Hi team, I would like to replace LP8867-Q1 for LP8869C-Q1 in this EVM. Is it possible? If it's impossible , Could you tell me the reasons? Best…

  • over 1 year ago
  • Power management
  • Power management forum
Answered

• LP8867Q1EVM: GUI无法连接

  

  yan yan

  Resolved

  Part Number: LP8867Q1EVM 1. 以下两张图片为购买的信息 2. USB连接到笔记本上之后，设备管理器无反应，更换同事的电脑一样，图片为设备管理器状态 版本 Windows 11 家庭中文版 版本 21H2 安装日期 ‎2022/‎2/‎22 操作系统版本 22000.1817 3. 连接GUI时报错 4. 后来也把USB外壳取下来 发现晶振未起振 请协助分析原因

  • Resolved

  • over 2 years ago
  • Power management
  • Power management forum

• LP8867Q1EVM: Open Loop Gain Data or Plot

  

  Terry Hu

  TI Thinks Resolved

  Part Number: LP8867Q1EVM Hi Team, Could you kindly send me LP8867Q1EVM Open Loop Gain Data or Plot? Thanks. BR, Terry

  • over 2 years ago
  • Power management
  • Power management forum
Answered

• LP8867Q1EVM: PCB design data request.

  

  Wilson Liang2

  Resolved

  Part Number: LP8867Q1EVM Other Parts Discussed in Thread: TPS92381 , LP8867-Q1 , Hi Sir I'd like to ask you about the PCB design data of this EVM such as Altium, PADS, etc. Customers want to reference and use in TPS92381 product design. thanks.

  • Resolved

  • over 3 years ago
  • Power management
  • Power management forum

• LP8867Q1EVM: Altium design files

  

  Sujit Nagarajan

  TI Thinks Resolved

  Part Number: LP8867Q1EVM Hi, Can you please upload or send a link for the altium design files for : LP8867Q1EVM - Thanks! Sujit

  • over 4 years ago
  • Power management
  • Power management forum
Answered

• LP8867Q1EVM: EVM board outline dimension

  

  FRANK1

  Resolved

  Part Number: LP8867Q1EVM Hi sir, Could you please share me the LP8867Q1EVM EVM board outline dimension? Thanks. Regards,

  • Resolved

  • over 4 years ago
  • Power management
  • Power management forum
Answered

• LP8867Q1EVM: PCB design data

  

  Jeffrey Chung1

  Resolved

  Part Number: LP8867Q1EVM Hi, I'd like to ask you about the PCB design data of this EVM such as Altium, PADS, etc. Is there any PCB design data for making a test board? If you have it, please share it with me. Regards,

  • Resolved

  • over 5 years ago
  • Power management
  • Power management forum

• LP8867Q1EVM: Lowest Vin when SW = 2.1MHz

  

  Roy Chou1

  TI Thinks Resolved

  Part Number: LP8867Q1EVM Team, I tried to use LP8867Q1EVM in 2.1MHz Fsw. But when Vin = 7V,(Vout=24V,Iout=0.4A) the IC will shut down. Is this make sense? How could we fix this issue? We think the efficiency is bad so that cause Iin is large to…

  • over 5 years ago
  • Power management
  • Power management forum
Answered

• LP8867Q1EVM: Lower Vin(8V) will cause the IC shutdown.

  

  Roy Chou1

  Resolved

  Part Number: LP8867Q1EVM Hi Team, We use the LP8867Q1EVM and connect to our backlight. (4S8P) Vout~20V 1. When I use Vin = 12V Iin =~1A 2. When I use Vin = 9V and Iin will increase to 3A 3. When I use Vin = 8V and IC will shutdown. We have…

  • Resolved

  • over 5 years ago
  • Power management
  • Power management forum

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