• LM25143-Q1: MOSFET Switching time calculation querry

  

  manoj j

  TI Thinks Resolved

  Part Number: LM25143-Q1 Tool/software: Hello Team, In our project we are using the LM25143-Q1 IC. Input voltage is 12V, desired output voltage 3.3V, Switching frequency 220KHz. Switching time is 4.5us. Is there any calculation for the ON time period and…

  • 1 month ago
  • Power management
  • Power management forum

• LM25143: Export failed for LM25143 reference design in online Power Designer

  

  Lumina Gui

  TI Thinks Resolved

  Part Number: LM25143 Tool/software: Dear TI teams, I generated the reference design circuit for LM25143 by using the Power Designer tool, but it keeps showing ' Export failed ' when exporting it. Can you help me solve this problem? The online…

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

• LM25143-Q1: LM25143-Q1 loop circuit issue and output capacitance

  

  Shelly Xie

  TI Thinks Resolved

  Part Number: LM25143-Q1 Other Parts Discussed in Thread: LM25143 Tool/software: Hi team, When designing the LM25143 external circuit, our customers have chosen very large output capacitance value, including two electrolytic capacitors, and the loop circuit…

  • 4 months ago
  • Power management
  • Power management forum

• LM25143: LM25143 - Compensation circuit

  

  Swathi Sivakumar

  TI Thinks Resolved

  Part Number: LM25143 Tool/software: Can you please share the compensation circuit design document? Note: I'm using inductor current sensing in my schematics.

  • 4 months ago
  • Power management
  • Power management forum

• LM25143-Q1: PSPICE simulation will not converge.

  

  Spencer Spalding

  TI Thinks Resolved

  Part Number: LM25143-Q1 Tool/software: I am using the LM25143RHA-TRANS model in PSPICE for TI and I'm getting the errors: These voltages failed to converge: V(X_M2.8) = 23.01mV \ 22.71mV V(X_M4.8) …

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

• RE: LM25143: Output current

  

  Rahil Ajani

  Hi Lumina, 2 of the ref designs do 30A nominal. Found here - www.ti.com/.../LM5148-Q1 Regards, Rahil

  • 3 months ago
  • Power management
  • Power management forum

• LM25143-Q1: Remote sense for four phase application

  

  Roy Chou1

  TI Thinks Resolved

  Part Number: LM25143-Q1 Other Parts Discussed in Thread: LM25143 Tool/software: Hi Team, Below is our architecture. We would like to use two LM25143(four phase) to generate 12V/90A output. But as you see, we divide the power board into two pieces. And…

  • 4 months ago
  • Power management
  • Power management forum

• RE: LM25143-Q1: LM25143-Q1 chip Functional Safety level confirm

  

  shiyu ni

  Hello, Jimmy, Got it, Thanks. By the way, according to LM25143 FuSa document content, it sames only achieve ASIL-B level through working together with TPS37-Q1. LM25143 sames can't meet ASIL-C. How does LM25143 achieve ASIL-C level? Br Shiyu

  • 7 months ago
  • Power management
  • Power management forum

• LM25143: VCC Pin Current Rating

  

  Abhishek Kumar

  TI Thinks Resolved

  Part Number: LM25143 Tool/software: Hii, Can we use the VCC pin as a pull-up voltage (+5 V) for the optocoupler to isolate the feedback path? No external supply is provided at VCCX.

  • 6 months ago
  • Power management
  • Power management forum

• LM25143-Q1: LM25143-Q1

  

  Shreehari G P

  TI Thinks Resolved

  Part Number: LM25143-Q1 Other Parts Discussed in Thread: LM5143 Hello team, we operate the LM5143 in single output(3.3V) 6-phase mode. How to the wire of the slave controllers? This is the information provided in datasheet. How to provide 0, 60, 120 degree…

  • 9 months ago
  • Power management
  • Power management forum

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