• LP8557IEVM: LP8557IEVM I2C Problem

  

  David Lin2

  TI Thinks Resolved

  Part Number: LP8557IEVM Other Parts Discussed in Thread: LP8557 Hello Sir, I bought a set of LP8557IEVM, and when I received it, I started to test it. I2C could not communicate. I checked the I2C circuit of the board and found that the I2C signal pins…

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

• LP8557IEVM: LEDs not turning on. help?

  

  Lee Davis39

  TI Thinks Resolved

  Part Number: LP8557IEVM Other Parts Discussed in Thread: LP8557 Hello, I just received the LP8557 KIt and after following the simple directions the LED's are not turning on. VBOOST is just 7V and I have 9 LED per string. I did note that when I change…

  • over 6 years ago
  • Power management
  • Power management forum

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