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SN55LVDS31: 5962-9762101QFA

Sureshkumar G
Prodigy 90 points
Part Number: SN55LVDS31

Tool/software:

The thermal resistance ( junction-to-case (θJC))  provided for the package "GDFP2-F16" in "SN55LVDS31 SMD 5962-97621" is about 22 °C/W, what does the junction-to-case (θJC) refereed, is it from junction to top or from junction to bottom,  if its for junction to bottom case, in that case what will be the recommended thermal conductive material ,recommended copper pad on the PCB, recommender soldering method to ensure contact between IC, PCB and thermal material also kindly provide Junction to board thermal resistance, Similarly required details for the below mentioned parts also

  • 0
    TI__Genius 15321 points

    Hello,

    The only device I can help with here is the SN55LVDS32W. For devices without thermal pad, the RθJC(bottom) value is not specified.

    I have to put in a request to gain access to this data. Please allow for two weeks or longer for this information.

    Thanks, Amy

  • 0 in reply to Amy
    Prodigy 90 points

    Hai Amy,

     Thanks for your reply, actually what does the "junction-to-case (θJC)" thermal resistance provided in the "SN55LVDS31 SMD 5962-97621" for case outline "E" refers to, if its not "RθJC(bottom)" as you specified

    With Regards, Suresh

  • 0 in reply to Sureshkumar G
    TI__Genius 15321 points

    Hello Suresh,

    Thank you for your question. Here is a helpful application note that describes this in depth: Semiconductor and IC Package Thermal Metrics (Rev. D) (see page 6)

    Please let me know if you have any other questions. I will post back here in ~ 2 weeks with the information on the SN55LVDS32W.

    Sincerely,

    Amy

  • 0 in reply to Amy
    TI__Genius 15321 points

    Hello,

    Please see the thermal metrics below for the SN55LVDS32W:

    Result- Theta JA-High K (standard datasheet value) 143.8
    Result-Theta JC, top (standard datasheet value) 75.5
    Result-Theta JB (standard datasheet value) 133.1
    Result- Psi JT (standard datasheet value) 54.3
    Result- Psi JB (standard datasheet value) 120.7
    Result-Theta JC, bottom (standard datasheet value)

    12.5

    Regards, Amy