Question about Tomtom GO 300 GPS Receiver

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Part Number and shop for U24 / U25 of a TomTom GO 300

Hi Homemender,

saw, that you've a big know-how concerning tomtom. Are you able to give me a location, where I could get U24 and/or U25 (same type of chip? One is blown in my device) of a Tomtom GO?

Whats the exact name of the chip, I couldn't find anything under "4STI" in the internet. Should be a step-down (or ev. a step-up) converter.

Thanks very much and best regards
Simon

E-Mail: kueder@gmx.ch

Posted by on

  • edimahler Sep 13, 2008

    Could U25 also be an LTC3411? Because there's a Coil on Pin 9 and I found somewhere in the internet, that it also could be such a part. (Its then a Step-down converter instead of an Lithiom ion charger, which would make sense with the coil.)
    U24 is really possible to be an TPS62000. Thanks very much!

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U24 is TPS62000 and U25 is LTC1733EMSE . You don't say where in the world you are ? .....so I cannot advise you on where in your country to obtain those parts. They are available from MOST electronics compenent supplyers.
Its almost certain BOTH of those IC's will be blown even if one of them still looks ok.

Posted on Sep 13, 2008

  • Ken Roberts
    Ken Roberts Sep 15, 2008

    CORRECTION TO ABOVE



    U25 is LTC3411EMS

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