• RE: PMP9490: I copied the schematic of the PMP9490 and the integrated one makes a loud noise that rises in frequency when I put a load on the Vout output until it heats up and breaks.

  

  Ramon Sanchez

  Good morning Youhao and thanks for replying. Could you pass me the PMP9490 project to import it? I have seen that all the documentation of gerber and schematics is present, but not having the project would have to do reverse engineering to be able to…

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

• RE: Step down DC DC Converter Wide Voltage Input 5V up to 50V, higher is better, and 10A

  

  Garrett Roecker

  Ghild, Thanks for reaching out with your question. Based on the design requirements I would suggest using the LM5176. This is a buck-boost controller. Here is a reference design that is close to your design requirements (a little more power) and…

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

• LM5175: Unstable output at transition

  

  William Jayson Nunez

  Resolved

  Part Number: LM5175 Other Parts Discussed in Thread: PMP9490 Hi TI, I am designing a 375W battery charger where input is 11-32V and output is 6-14V/25A for the battery. I am having problem during transition of buck-boost to boost. there is a loud audible…

  • Resolved

  • over 8 years ago
  • Power management
  • Power management forum

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