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TPS61041 pin 1 marking

Ali Tatari
Prodigy 250 points
Other Parts Discussed in Thread: TPS61041

how do you tell pin # 1 of tps61041. There is no dot on IC to indicate pin #1 or bump...

  • 0
    TI__Guru**** 150710 points

    I split this post since it has nothing to do with the TPS61097 discussion in the other thread.

    Which version of the TPS61041 do you have?  Where did you purchase it from?

    There is a link to the top side markings on the product page in the 'sample and buy' section.  In addition, the datasheet indicates a pin 1 marking area for each package type.  There should be something there to indicate which pin is 1.  Can you post a picture of the IC?

  • 0 in reply to Chris Glaser
    Prodigy 250 points

    I think I have figured it out . I went by the direction I could read information on the pin and took the lower left pin as pin number 1.  Also I had another question is there a link for making the layout for TI devices and MSp430s packages like QFN.

  • 0 in reply to Ali Tatari
    TI__Guru**** 150710 points

    At the end of every datasheet, there is a mechanical drawing for the IC.  Follow those guidelines.

    For more information, please post to the MSP430 forum.