• RE: LM5143-Q1: LM5143-Q1

  

  Timothy Hegarty

  Hi Kamaljit, 4phases at 90A is feasible with forced cooling. Take a look at the 5V/50A 2-phase apps example in the LM25143 datasheet. Regards, Tim

  • 10 months ago
  • Power management
  • Power management forum

• RE: LM5143-Q1: LM5143 replacement

  

  Andy Chen

  Hi, Pls check if LM25143 can be used. LM5141 is one channel controller and can be backup solution B R Andy

  • 11 months ago
  • Power management
  • Power management forum

• LM5143-Q1: Power management forum

  

  chenzhenyi

  TI Thinks Resolved

  Part Number: LM5143-Q1 Other Parts Discussed in Thread: LM25143-Q1 Our circuit design is as follows: Test the output waveform of the power supply and find that the output has a step with a duration of 610us. In addition, we measured the GATE waveforms…

  • 10 months ago
  • Power management
  • Power management forum

• RE: LM5143-Q1: Searching TI solution & please help provide comparison table

  

  Timothy Hegarty

  Hi Kygo, The ICs are effectvely the same with two pins that are different (RT and MODE replace OSC and ILSET). The LM5143-Q1 is generally higher performance, and the LM25143-Q1 42V version will release later this month. Regards, Tim

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

• RE: LM25149: Webench can't define own MOS spec

  

  Timothy Hegarty

  Resolved

  Hi Fred, Please use the LM25149 quickstart calculator to assist with component selection and review power losses - the file can be downloaded from the product folder. Depending on the Vin, Vout, Fsw and max Ta, you may need paralleled FETs. However,…

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

• RE: LM5143-Q1: LM5143-Q1

  

  Kamaljit Kaur

  I am looking AEC-Q100 qualified .Input voltage 12V and output voltage 3.3V,60A. LM5143 and LM25143 is not AEC-Q100 certified.

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

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