• LMR14020: issue

  

  Ivy Jin

  TI Thinks Resolved

  Part Number: LMR14020 Hi team, My customer automotive project use LMR14020(12V to 5.27V)+TLV62569DBV (5.27V to 1.15V) while mass production, 19pcs TLV62569DBV have burn out but LMR14020 is normal(LMR14020 output connect to TLV62569DBV input ). It is initially…

  • 17 days ago
  • Power management
  • Power management forum

• LMR14020-Q1：Frequency vs Efficiency

  

  masahiro fujiwara

  Part Number: LMR14020-Q1 Other Parts Discussed in Thread: LMR14020 , LMR36520 Hello I am a Japanese engineer. Is there a graph of frequency vs efficiency? Also, are there any products with a withstand voltage of vin 60v or higher? As cheap as LMR14020…

  • 28 days ago
  • Power management
  • Power management forum

• LMR14020: The output should be 4.22V but the real test result is 4.38V.

  

  Amelie Zheng

  TI Thinks Resolved

  Part Number: LMR14020 Hi Team, My customer now use LMR14020SDDAR and found the following question: RT=49.9k, 500Hz fsw RFBB=25.5k RFBT=118k The output should be 4.22V but the real test result is 4.38V. Could you kindly help to check why the output is a…

  • 5 days ago
  • Power management
  • Power management forum

• LMR14020: LMR14020 EMI issue

  

  Betty Guo

  TI Thinks Resolved

  Part Number: LMR14020 Other Parts Discussed in Thread: LMR14050 Hi team, customer use LMR14020 and have EMI issues, they use voltage and current measure the EMI, in the high frequency the result can't pass. I attched customer schematic and layout…

  • 7 months ago
  • Power management
  • Power management forum

• LMR14020-Q1: The ringing at output waveform

  

  Pin Tsai (TW FAE)

  Part Number: LMR14020-Q1 Other Parts Discussed in Thread: LMR14020 Hi there, My customer had the issue of output ringing shown as below waveform: The usage scenario is 12v to 5v and max output current is 0.06 amp. In order to fix this issue, we have try…

  • 2 months ago
  • Power management
  • Power management forum
Answered

• LMR14020-Q1: Spread-Spectrum function

  

  Kami Huang60

  Resolved

  Part Number: LMR14020-Q1 My customer is looking for an IC with the following specifications. 1. Vehicle regulations. 2. Vin: 7V~40V. 3. The frequency can be carried out below 27V. 4. Iout: 2A or more. I remember that TI’s Buck ICs all support Spread-Spectrum…

  • Resolved

  • 3 months ago
  • Power management
  • Power management forum
Answered

• RE: WEBENCH® Tools/LMR14020-Q1: LMR14020-Q1

  

  Aradhyasambhu Satpathy

  Resolved

  Thank you Csaba.

  • 9 months ago
  • Simulation, hardware & system design tools
  • Simulation, hardware & system design tools forum
Answered

• LMR14020: Avaiability / Estimated Life time statement

  

  roland kratz

  Resolved

  Part Number: LMR14020 Other Parts Discussed in Thread: LMR14010A , Hello, Is there a "lifetime statement" available for the components LMR14010A and LMR14020 products ? A statement, that on actual point of view, the products wil discontinue for…

  • Resolved

  • 6 months ago
  • Power management
  • Power management forum

• LMR14020-Q1: Do we have EMI report for LMR14020-Q1？

  

  Amelie Zheng

  TI Thinks Resolved

  Part Number: LMR14020-Q1 Hi Team, Do we have EMI report for LMR14020-Q1？

  • 10 months ago
  • Power management
  • Power management forum

• LMR14020: Negative output voltage

  

  Roy Chou1

  TI Thinks Resolved

  Part Number: LMR14020 Other Parts Discussed in Thread: LM61440 , LM61460 Team, Could we use this IC to achieve Vin = 12V, Vout = -10V, Iout = 1.5A? Just change the position of diode and inductor? Roy

  • 7 months ago
  • Power management
  • Power management forum

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