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TX7332EVM: Abnormal voltage reading.

ArTzy
Genius 14719 points
Part Number: TX7332EVM

Hi Experts,

Seeking your assistance on this hardware issue with Cx:

I am using tx7332evm, now the board showing some power issue. I am supplying +-5v supply, but at the driving point it shows 2.4 v, so my board is not working properly.

What is the problem here? At test point it is not showing correct voltages.

Regards,
Archie A.

  • +1
    TI__Intellectual 1060 points

    Hello Archie,

    The +5V supply powers the device as well as other components on the board. So the current demanded is not just the device current but also the current required to power other components. Could you check if the current limit of the supply is set to 200mA? If not, then the supply can dip when it hits the current clamp.

    Regards

    Savyan