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MSP432 launchpad getting extremely hot (uC and debugger)

Raffael Tschui
Prodigy 165 points

Hi,

I'm programming an MSP432 launchpad with CCS, flashing a TI-RTOS based software on it. Since recently the MSP itself as well as the debug circuitry on the launchpad are getting extremely hot, even when nothing is connected to the pins.

On top of it, the debugger looses connection sporadically. And when I start the debugger, the program runs automatically (instead of being paused as usual at the start of main() ).

Are all these strange behavoiurs linked together? Does anyone have the same problems?

Thanks for any help!

Raffael

  • 0
    Guru 74080 points
    Hi Raffael!

    Unfortunately you're not the only one who has this "heat"-problems. Have you searched in the forum for similar threads already?
  • 0 in reply to Dennis Eichmann
    Prodigy 165 points
    Hi Dennis,

    This post (e2e.ti.com/.../1618624 suggests to replace the microcontroller - however for me it happened on both launchpads I have.
    As well, even the debugging part of the circuit heats up a lot, so replacing the msp would only solve half of the problem. We'll get a new launchpad soon though to have a fresh start.
  • 0
    Guru 86755 points
    Hi,

    It is very unusual for the microcontroller to get hot for no reason at all. Maybe, you have connected an external circuitry that might have caused this.

    - kel
  • 0 in reply to Markel Robregado
    Prodigy 165 points
    Update: Connected a fresh external board via JTAG. Everything works fine. This means really that the MSP on the launchpad is dead, and by drawing too much current, it heats up the voltage converters on the debugging part of the launchpad. This also somehow caused loosing the connection with the computer when debugging some code, which now doesn't happen anymore with the external board.
  • 0 in reply to Raffael Tschui
    TI__Genius 17802 points
    Hi Raffael,
    can you send us the faulty board, we'll send you a replacement. I have PMed you for your contact info & shipping address. We'd like to look into what caused the board to heat up and damage the part.
    Thanks,
    Dung
  • 0 in reply to Dung Dang
    Prodigy 15 points
    Hi Dung Dang,
    I have heating issue with my MSP432 too. My LaunchPad is functional but getting extremely heated. For example, I can use UART as communication. But when I try to get data from ADC, interrupt is not functional. I can send you my LaunchPad to find out what caused the fault. ( If it is going to be a problem I do not need to replacement because I won the LaunchPad as a prize of competition :) I just want to help you to improve it.
    Best Regarts,
    Kaan ERGUN
  • 0 in reply to Kaan ERGUN
    TI__Genius 17802 points
    Hi Kaan,
    thank you for letting us know of your issue! We definitely would like to investigate the root cause of this problem. Do you happen to remember the steps leading to the overheating, this could be: downloading some FW, connect the LaunchPad to a BoosterPack, a wire, cable, external component, external power supply, etc? Any details would be helpful for our investigation.
    Thank you in advance for shipping back the LaunchPad! A replacement is absolutely not an issue, we definitely want to get you back on track with your MSP432 evaluation/development as soon as possible. I will contact you offline for the shipping information.

    ~Dung
  • 0
    Prodigy 15 points
    Same Issue here with two boards. Please let me know how to get it replaced from TI
  • 0 in reply to meet thakkar
    Prodigy 25 points
    Hi! I have the same problem, the Launchpad works but it's really hot, I burn my finger. If was a short circuit the target wouldn´t work. Could anybody help me?
  • 0 in reply to meet thakkar
    TI__Mastermind 25045 points
    Hi meet thakkar,

    As MikeS mentioned on this post e2e.ti.com/.../1771014, this will get corrected in the next revision.

    In the meantime, please send me a private message with your contact information (you can click on my profile and send me a private message that way), and I will send you two new boards.

    Thanks,

    David
  • 0 in reply to Mariela Luis Cabrera
    TI__Mastermind 25045 points
    Hi Mariela,

    Please send me a private message with your contact information (you can click on my profile and send me a private message that way), and I will send you a new board.

    Thanks,

    David

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