• LM5185: LM5185 flyback 24V to 18V — ringing on output at switching edge

  

  Manjesh Gowda Ramegowda

  Part Number: LM5185 Hi Team, A couple of months back I posted a thread about some issues with this design. Most of them were resolved by changing the transformer inductance from 10uH to 8uH, but now I have a different issue and would appreciate your…

  • 23 days ago
  • Power management
  • Power management forum

• LM5185-DESIGN-CALC: LM5185

  

  muneer v

  TI Thinks Resolved

  Part Number: LM5185-DESIGN-CALC Other Parts Discussed in Thread: LM5185-Q1 Hi Ti team can i get lt spice model for LM5185-Q IC

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

• LM5185-Q1: LM5185-Q1: Is Webench ok?

  

  Matthew Hardeman

  TI Thinks Resolved

  Part Number: LM5185-Q1 Other Parts Discussed in Thread: LM5185 Hi all, Recently I've been learning DC/DC power conversion and am designing a board with a PoE power supply. As part of that, I'm experimenting with the LM5185 for the DC/DC conversion in…

  • 3 months ago
  • Power management
  • Power management forum

• LM5185: Can LM5185 supports isolated 9-40Vin / 50Vout / Iout 2A?

  

  Sean Liao (Yu-Sheng)

  TI Thinks Resolved

  Part Number: LM5185 Hi sir, Can LM5185 supports isolated 9-40Vin / 50Vout / Iout 2A? From Webench, it doensn't support this spec. However, from datasheet, it looks like LM5185 can fulfill above spec by Flyback topology by the turn ratio of Xmr.…

  • 2 months ago
  • Power management
  • Power management forum

• LM5185: LM5185 flyback startup issue when starting with full load

  

  Manjesh Gowda Ramegowda

  TI Thinks Resolved

  Part Number: LM5185 Hi team, I am facing an issue with my flyback converter based on the LM5185. The converter is designed for 18 V output and 30 W output power. During normal operation the converter is able to deliver the full 30 W…

  • 4 months ago
  • Power management
  • Power management forum

• LM5185-DESIGN-CALC: LM5185 simulation issues

  

  Franck SALAHOU

  Part Number: LM5185-DESIGN-CALC Hi like mentionned on the next screenshot I'm asking for an unencrypted model for Simetrix simulation since the model on Pspice fo TI doesn't work properly. M.Mathew recmmands me to ask for a TI regional sales team. I'm…

  • 8 months ago
  • Processors
  • Processors forum
Answered

• LM5185-Q1: BCM operating frequency

  

  Francesco Tardelli

  Resolved

  Part Number: LM5185-Q1 Other Parts Discussed in Thread: LM5185 Hi TI team, Can the operating frequency in BCM mode be lower than 225 kHz? The datasheet (LM5185-Q1100-VINPSR FlybackAutomotiveDC/DC Controller With Low IQand Low EMI datasheet (Rev. A) )…

  • Resolved

  • 1 month ago
  • Power management
  • Power management forum

• LM5185-Q1: LM5185-Q1 Unencrypted PSPICE model

  

  Chuqiang Wen

  TI Thinks Resolved

  Part Number: LM5185-Q1 Hi team, Could you help share or generate unencrypted PSPICE model of LM5185-Q1 with us for customer simulation? Thanks! Ethan Wen

  • 8 months ago
  • Power management
  • Power management forum

• LM5185: Design Questions

  

  Brian Wang0928

  TI Thinks Resolved

  Part Number: LM5185 in the d/s, it says the RC compensation can be selected with 100R and 150pF for the loog gain compensation. However, customer would like to know how to do the calculation and value selections. For the Flyback operation mode, it says…

  • 2 months ago
  • Power management
  • Power management forum

• LM5185-DESIGN-CALC: Support Request for LM5185 Flyback Controller Simulation (Simetrix and/or Pspice for TI)

  

  Franck SALAHOU

  TI Thinks Resolved

  Part Number: LM5185-DESIGN-CALC Other Parts Discussed in Thread: LM5185 , LM5155 Dear TI Support Team, I have been trying to simulate the LM5185 flyback controller using two different tools for design purposes: Simetrix , which I am familiar with, and…

  • 8 months ago
  • Processors
  • Processors forum

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