• LMR14050: LMR14050 Thermal Calculation

  

  yx yan

  TI Thinks Resolved

  Part Number: LMR14050 If we test LMR14050 case temperature 85℃ on our PCBA. How Can I Calculate the junction Temperature,Which parameter should I use.

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

• LMR14050: Hysteresis not working correctly

  

  Scott

  TI Thinks Resolved

  Part Number: LMR14050 Tool/software: Hi all i have an issue with hysteresis on the LMR14050 chip I want a turn on voltage of 12.5V and turn off voltage of 11V i use Rent = 416k Renb = 42k The power supply turns on OK. But when reducing the input…

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

• LMR14050: IBB/Bipolar output simulation

  

  Antenna_Head

  TI Thinks Resolved

  Part Number: LMR14050 Tool/software: Team- Please find attached +12V to bipolar +/-15V output switcher based on the LMR14050. I have this TINA simulation working, but since this uses internal compensation, could use some help to get the loop stable…

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

• LMR14050: switching waveform abnormal

  

  yx yan

  Part Number: LMR14050 LMR14050 Switching Waveform as below,is this Subharmonic oscillations？ 300mA load 1A load I think LMR14050 have slope-compensation,and will not have Subharmonic oscillations,right? Thanks!

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

• LMR14050: LMR14050

  

  Hemanth RameGowda

  TI Thinks Resolved

  Part Number: LMR14050 HI, We are using LMR14050 IC in one of our design, we have given all the necessary EMI-Filter circuitry mentioned in the application note. But still the CE102 graphs are behaving similar to one which is given in the application…

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

• LMR14050: LMR14050 variable output used as battery charger

  

  pb ben

  TI Thinks Resolved

  Part Number: LMR14050 Other Parts Discussed in Thread: LM5117 Hi, I've few questions about this schematic. I use the LMR14050 to charge 1S/2S/3S IO-LITH batteries by monitoring the charge current with a INA series current sense. *Is stable the buck converter…

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

• LMR14050-Q1: Fold-Back of Frequency when OCP is triggered

  

  Masaru Oinaga

  Resolved

  Part Number: LMR14050-Q1 Tool/software: Hello, Team, Our customer would like to know how to estimate the frequency will fold-back when the OCP is triggered. Is there a way to estimate how much Fsw will drop? Device: LMR14050SQDPRRQ1 Best, M…

  • Resolved

  • 9 months ago
  • Power management
  • Power management forum

• LMR14050: output ripple during the soft start

  

  Aki Li

  TI Thinks Resolved

  Part Number: LMR14050 My customer was using LMR14050 for the below application: Vin=24V, Vout=12V/ 2A. They found the voltage output showed some unexpected ripple/spike during the soft start, with full load startup. The issue was found if using…

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

• LMR14050-Q1: VOUT Collapse and Device Failure Under Load in 30V to 12.6V/5A Buck Application

  

  ?? ?

  TI Thinks Resolved

  Part Number: LMR14050-Q1 Tool/software: Hi experts, I'm KIM I am working on a buck converter design using **LMR14050SQDDAR (non-spread spectrum)** to charge a **3-cell Li-ion battery** with these target specs: - **Input Voltage**: 30V (bench supply…

  • 6 months ago
  • Power management
  • Power management forum

• LMR14050: Current Temp data

  

  Ning Li

  TI Thinks Resolved

  Part Number: LMR14050 Dears, Customer use the LMR14050SDDAR with -10℃ and can not find the current vs temp data,could you pls kindly help to provide it? Thanks

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

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