• LM5117: LM5117 restarts at lower current than expected

  

  Louis Saint-Raymond

  Part Number: LM5117 Hello, My LM5117 converter is designed to step-down a 18V (5-cells) Li-ion battery voltage to 15.8V for a powertool that usually accepts a 14V (4-cells) Li-ion battery. Max current is 80A during 100ms. When I test my design with…

  • 16 days ago
  • Power management
  • Power management forum

• LM5117-Q1: LM5117

  

  Sambit Kumar P

  TI Thinks Resolved

  Part Number: LM5117-Q1 Other Parts Discussed in Thread: LM5117 Tool/software: Hello I am using LM5117 with switching freq 480KHZin my ECU during Radiated emission in 966KHZ and 160MHZ. When I checked with near field probe I am getting the emissions source…

  • 6 months ago
  • Power management
  • Power management forum

• LM5117-Q1: LM5117-Q1: TECHNICAL EXPLAINATION REQUIRED FOR SUGGESTED RECOMMENDATION

  

  Sambit Kumar P

  TI Thinks Resolved

  Part Number: LM5117-Q1 Tool/software: LM5117QPMHX_NOPB gate resistance can be tuned to 9 ohm without compromising working and efficiency of buck When there is no load connected to LM5117QPMHX_NOPB buck, why there is more emission at 960kHz. What is…

  • 4 months ago
  • Power management
  • Power management forum
Answered

• LM5117-Q1: LM5117-Q1

  

  Imad Khan

  Resolved

  Part Number: LM5117-Q1 Tool/software: I am using LM5117PMHX/NOPB IC and following this schematic from LM25117 Evaluation Board . I designed it for 12V output but I am getting ~2.7V output which is a problem, I have tried few solution but nothing…

  • Resolved

  • 7 months ago
  • Power management
  • Power management forum

• LM5117-Q1: Whether LM5117-Q1 is suitable for Super Capacitor bank charging application

  

  Aniruddha Makhe

  TI Thinks Resolved

  Part Number: LM5117-Q1 Other Parts Discussed in Thread: LM5190 Tool/software: Hello Team, We are using LM5117-Q1 in one of product. We want to check whether LM5117-Q1 is suitable for Super Capacitor charging application with below specifications:…

  • 4 months ago
  • Power management
  • Power management forum

• LM5117: PGND Pin

  

  Ohad Bonneh

  TI Thinks Resolved

  Part Number: LM5117 Tool/software: LM5117 (ECS-DC-H5117) what this line in the datasheet means? Because in the AN-2103 EVB I didn’t saw we did this

  • 4 months ago
  • Power management
  • Power management forum
Answered

• LM5117: Simulation Convergence Problem

  

  Michele Faini

  Resolved

  Part Number: LM5117 Other Parts Discussed in Thread: TINA-TI , CSD19536KTT Tool/software: Hi all, I'm simulating an High Current DC-DC based on LM5117 but I got a lot error message for convergence failed. I start with the Excel File (attached) for…

  • Resolved

  • 4 months ago
  • Simulation, hardware & system design tools
  • Simulation, hardware & system design tools forum

• LM5117: Damage during

  

  Ryan Morgan

  TI Thinks Resolved

  Part Number: LM5117 Tool/software: [Repeating info already posted on a locked thread] On a few instances, we have experienced a failure of the LM5117 Buck Controller, which surprised us since we expected the failure in this circuit to be the thermal…

  • 7 months ago
  • Power management
  • Power management forum

• LM5117: Damage

  

  Ryan Morgan

  Part Number: LM5117 Tool/software: On a few instances, we have experienced a failure of the LM5117 Buck Controller, which surprised us since we expected the failure in this circuit to be the thermal-heavy components (NFET, Inductor, sense resistor, etc…

  • 9 months ago
  • Power management
  • Power management forum
Answered

• LM5117: Driver Real Gate Peak Current

  

  Michele Faini

  Resolved

  Part Number: LM5117 Tool/software: In my CC/CV DC-DC converter project I need to put 2 MOSFET in parallel to manage more current and I need a very high peak current to charge quickly the two gates, so I choose le LM5117 because it has 2.2Amps Gate peak…

  • Resolved

  • 6 months ago
  • Power management
  • Power management forum

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