• LM3409: There is a contrast issue

  

  Sam Sun

  Part Number: LM3409 Tool/software: We are currently developing an LCOS HUD product, which is paired with OV's OP02220 optical machine as the main chip We use our TI LM3409 LED driver chip I have encountered a problem now and would like to consult with…

  • 9 days ago
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Answered

• LM3409: LM3409 Pulse operation of LEDs and Higher current design for >= 6A

  

  kowshik Gudimetla

  Resolved

  Part Number: LM3409 Tool/software: Hi team, We're trying to design a solar panel characterizer LAMP which matches the light wavelengths same as sun and intensity. We have one LED that can take upto 12A ( 12A Green LED ) however we're trying to operate…

  • Resolved

  • 2 months ago
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• LM3409: Peak Current Controll Circuit derivation and working.

  

  Abishek S

  TI Thinks Resolved

  Part Number: LM3409 Tool/software: I am having doubt on peak current control circuit (Rsns) section. How the derivation has derived Imax? Vcst? and why Ilmax=Vcst/Rsns...How Vcst is related for peak current control.How Vcst sets threshold?

  • 1 month ago
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• LM3409: About LM3409 drive similar DLP5530 RGB three-color light source dimming solution

  

  jinying liao

  TI Thinks Resolved

  Part Number: LM3409 Tool/software: We need to drive an RGB three-color lamp and be able to dimmer. The parameters of the three lamps are 3.5V/4A, and VIN is 12V input. Now we want to dimmer the RGB three-color lamp with LM3409 and a MOS tube circuit…

  • 3 months ago
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• LM3409-Q1: FMEA report for LM3409-Q1

  

  Manu Chang

  TI Thinks Resolved

  Part Number: LM3409-Q1 Other Parts Discussed in Thread: LM3409 Tool/software: Hi team, My customers are asking for LM3409-Q1 FMEA reports, can you share the FMEA report to me or is there any way to got this? BR, Manu

  • 4 months ago
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• LM3409-Q1: LM3409 Current ripple

  

  Eric Liu(SZ-FAE)

  TI Thinks Resolved

  Part Number: LM3409-Q1 Tool/software: Hi Xiaoguang, From my understanding as for the below picture, the current ripple can be reduced by adding the L and reducing the COFT?

  • 5 months ago
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• LM3409-Q1: LM3409 Q1

  

  senthil kumar

  TI Thinks Resolved

  Part Number: LM3409-Q1 Other Parts Discussed in Thread: LM3409 Tool/software: Hi iam using LM3409 for constant current, My Roff 68K ohm and coff 10nF and applying 5v constant at coff pin, but in my situation, both in input voltage variation as well as…

  • 5 months ago
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• LM3409-Q1: LM3409-Q1

  

  senthil kumar

  TI Thinks Resolved

  Part Number: LM3409-Q1 Other Parts Discussed in Thread: LM3409 Tool/software: Hi, Iam using LM3409 model for constant current drive, i have set the current for 2.4A, the COFF time as per calculation and measurement is different, can i know in simulation…

  • 5 months ago
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• LM3409-Q1: LM3409-Q1

  

  senthil kumar

  TI Thinks Resolved

  Part Number: LM3409-Q1 Other Parts Discussed in Thread: LM3409 Tool/software: Hi, We are using LM3409 Q in our project, last week we have enquired for LTSpcie model since its an encrypted file,we get reply from TI person for NDA. we are having the NDA…

  • 6 months ago
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• RE: LM3409: Issues with the dimming function and the output current

  

  Jaron Wilson

  Hi Maxime, Replied in our email thread. Closing this thread. Thanks, Jaron

  • 2 months ago
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