LMX2595: LMX2595 unlock

Part Number: LMX2595

Tool/software:

Hi,TI team:

During mass production, one LMX2595 card experienced an abnormal lockup.

Measurements revealed that the CPOUT pin voltage was approximately 2.5V when powered on and unconfigured (a normal voltage for a normal card is approximately 0.35V).

The chip's 3.3V power supply was normal, and the BIAS pin voltage was also normal.

Could the chip be damaged?

Thanks!

  • Hi Applo,

    I assume this device cannot lock, right?

    If we program POWERDOWN = 1, will you see current drop? You can also measure pin voltage to confirm it is powered down. 

    Did they do ABA test?