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TI Home » TI E2E Community » Support Forums » Applications » Automotive » Automotive Forum » TLE4275-Q1 loaddump
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TLE4275-Q1 loaddump

TLE4275-Q1 loaddump

  • elsalvador
    Posted by elsalvador
    on Jun 12 2012 23:09 PM
    Intellectual420 points

    Dear TI-er.

    TLE4275-Q1 is input voltage 45V(Datasheet 1page, operating max 42V(datasheet 3page).

    Can TLE4275-Q1 operate input voltage 55V 400mS ?

    How I protect it ?

    Can you recommand protect circuit ?

    plz help me. 

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  • elsalvador
    Posted by elsalvador
    on Jun 17 2012 22:53 PM
    Intellectual420 points

    Dear TI-er.

    TL751M05-Q1 is 60V LoadDump Protection.

    Is it for 24V automotive battery system(input min 24V ~ max 32V) ?

    plz help me.

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  • Wen-Shin Wang
    Posted by Wen-Shin Wang
    on Jun 18 2012 09:45 AM
    Genius10040 points

    Hello ElSalvador,

    TLE4275 may be able to handle 55V load dump; however, this is not something that TI can guarantee since it is past abs max spec. As suggested, TL751M05 is a good alternative.

    From the datasheet, Vi (max) is 26V.  Therefore, a 24V battery system will be ok to handle a 60V load dump. The device may be able to handle 60V load dump with Vi = 32V; however, once again, this is not something TI can guarantee since it is not within the datasheet limits.

    Best Regards,

    Wen-Shin Wang

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