• LMQ61460: LMQ61460: Input filter capacitor question followup

  

  Madis Reivik

  TI Thinks Resolved

  Part Number: LMQ61460 Tool/software: Hello again ! I wask asking about why TI online tool recommends tantalum w series resistance, the reason was damping Is there a reason I cant use ceramic cap with series resistance for the same function ? Are there…

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

• LMQ61460: How to check the power dissipation of LMQ61460

  

  Grady Lee

  Resolved

  Part Number: LMQ61460 Tool/software: Hi, TI expert The datasheet of LMQ61460 does not indicate the power dissipation. Can you explain how to check the power dissipation of LMQ61460? Please check. Thanks

  • Resolved

  • 5 months ago
  • Power management
  • Power management forum
Answered

• LMQ61460-Q1: TINA Spice Model

  

  Caroline Ye

  Resolved

  Part Number: LMQ61460-Q1 Other Parts Discussed in Thread: TINA-TI Tool/software: Hello, I am trying to use TINA to model LMQ61460AASQRJRRQ1. I downloaded the spice model in TI website, but it is encrypted and cannot be imported into TINA. I am wondering…

  • Resolved

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

• LMQ61460-Q1: fPWM mode of LMQ61460AFSQRJRRQ1

  

  Wenhui Liu

  Resolved

  Part Number: LMQ61460-Q1 Tool/software: Hi TI experts, According to the datasheet of LMQ61460AFS (SNVSB70F – MAY 2019 – REVISED JUNE 2021), it will run in 'forced PWM mode' (fPWM) under both heavy and light load conditions. However when we test it under…

  • Resolved

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

• LMQ61460: LMQ61460AFSQRJRRQ1 availability in the market

  

  Wenhui Liu

  Resolved

  Part Number: LMQ61460 Other Parts Discussed in Thread: INA293 Tool/software: Is LMQ61460AFSQRJRRQ1 recommended for new design? Is there a risk it will becomes obsolete soon? Thanks,

  • Resolved

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

• LMQ61460: Is LMQ61460AASRJRR with 'Spread spectrum' feature?

  

  Wenhui Liu

  Resolved

  Part Number: LMQ61460 Tool/software: Is LMQ61460AASRJRR equipped with 'Spread spectrum' feature? If yes, what is the frequency range of spreading? Thanks, Wenhui wenhui@xscapephotonics.com

  • Resolved

  • 5 months ago
  • Power management
  • Power management forum

• RE: LMQ61460: Input filter capacitor question

  

  Andrew Kutzler

  Hi Madis, Correct. It's to limit the emissions that the device radiates back to the voltage source powering it, Thanks, Andrew

  • 5 months ago
  • Power management
  • Power management forum
Answered

• RE: LMQ61460: Undershoots causing noise at 60MHz

  

  Murdo McLeod

  Resolved

  Just as a note, we were able to fix the overshoots (rising edge) by modifying the RT-CT circuit, but we couldn't do anything with the undershoot (falling edge) as the Sw node is not easily accessible. We took the units to the EMC test lab yesterday…

  • 8 months ago
  • Power management
  • Power management forum

• LMQ61460: Question about input capacitor

  

  Austin Do

  TI Thinks Resolved

  Part Number: LMQ61460 Other Parts Discussed in Thread: LM61460 , , LM61460EVM Hello team, I have question about input capacitors. In my understanding, LMQ61460 has internal 22nF bypass cap at the each input pin, but LM61460 does not. I just looked at LM61460EVM…

  • 11 months ago
  • Power management
  • Power management forum
Answered

• LMQ61460: flybuck converter

  

  Daisuke Higa

  Resolved

  Part Number: LMQ61460 Hi support team. I am considering a circuit that generates positive and negative power supplies. I thought of a Flubuck converter as the smallest circuit that could be designed, and I thought it might be possible to design it with…

  • Resolved

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

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