• LM70880-Q1: LM70880-Q1 EVM current sense circuit

  

  Hank Wang3

  TI Thinks Resolved

  Part Number: LM70880-Q1 Tool/software: Hi I saw R12 and C22 on the current sense circuit from EVM as below. What is the purpose of this circuit ? Thanks BR, Hank

  • 1 day ago
  • Power management
  • Power management forum
Answered

• LM70880-Q1: Webench Design Issue - LM70880-Q1 (Insufficient Phase Margin) - 60V to 28V@6A

  

  Lasse Jarvela

  Resolved

  Part Number: LM70880-Q1 Other Parts Discussed in Thread: LM70880 Tool/software: Hello, I'm encountering issues generating a stable design with Webench for the LM70880-Q1. My specifications are: Input Voltage: 48V - 60V Output Voltage: 28V Output…

  • Resolved

  • 1 month ago
  • Simulation, hardware & system design tools
  • Simulation, hardware & system design tools forum

• LM70880-Q1: LM70880-Q1 PSPICE for TI issue

  

  Charlie Lee1

  Part Number: LM70880-Q1 Tool/software: Hi Team, I want to use the LM70880-Q1 simulation file to run a load transient test from 10% to 90%. However, I have tried several methods but have not been successful. Please provide suggestions. 1. I am using version…

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

• LM70880-Q1: LM70880-Q1 schematic review

  

  Kevin Huang8

  Resolved

  Part Number: LM70880-Q1 Tool/software: Hi Team, May you help review the schematic for me? Vin = 12V (9-36V), Vout = 8V/8A or 5V/8A

  • Resolved

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

• LM70880-Q1: Use Satellite project

  

  ? ??

  Resolved

  Part Number: LM70880-Q1 Tool/software: Hello experts, We want to use LM70880-Q1 to the satellite project. Are there any restrictions on using it on satellites? We are understanding that is not protected against outgassing and radiation. We would like…

  • Resolved

  • 1 month ago
  • Interface
  • Interface forum

• LM70880-Q1: Fly-buck with this converter?

  

  Matthew Moranda

  Part Number: LM70880-Q1 Other Parts Discussed in Thread: LM70880 , , LM5161 , LM5169 , LM5185 , LM25185 , UCC28C42 Tool/software: Hi, I'm wondering if it is possible to implement a fly-buck with a converter like this with larger output currents(7-10A) and…

  • 28 days ago
  • Power management
  • Power management forum
Answered

• LM70880-Q1: EXTCOMP compensation network mistake issue

  

  Jasper Ni

  Resolved

  Part Number: LM70880-Q1 Tool/software: Hi TI, Our schematic design with two LM70880-Q1 for different output voltage(5Vout and 8Vout), but some mistake is made by copying same net name(EXTCOMP1), is there any critical issue or sideeffect? thanks! LM70880…

  • Resolved

  • 1 month ago
  • Power management
  • Power management forum
Answered

• LM70880-Q1: How to calculate voltage ranging of the bootstrap capacitor?

  

  Martin Vit

  Resolved

  Part Number: LM70880-Q1 Tool/software: Question: What should be voltage ranging of the bootstrap capacitor C216 for buck converter LM70880-Q1 if VIN = 55V, Vout = 12V. I have two answer and don’t know what is correct: A1: Since internal LDO charge…

  • Resolved

  • 1 month ago
  • Power management
  • Power management forum

• LM70880-Q1: RC Snubber - how to calculate power rating for resistor?

  

  Martin Vit

  TI Thinks Resolved

  Part Number: LM70880-Q1 Tool/software: Hello, In one of our project for Aircraft we need to pas strict radiated EMI limits. We found that we have some ringing at switching point of buck designed with LM70880-Q1. VIN = 28V, Vout = 12.3V, Iout(max)= 4A…

  • 1 month ago
  • Power management
  • Power management forum
Answered

• LM70880-Q1: Why does inductor current ripple have to be higher than 30% and lower than 50%?

  

  Yoshiki Ochi

  Resolved

  Part Number: LM70880-Q1 Tool/software: Hi team, Could you share why inductor current ripple has to be higher than 30% and lower than 50% of the max DC output current? Regards, Ochi

  • Resolved

  • 28 days ago
  • Power management
  • Power management forum

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