Tool/software:
Hello,
After
- frequency sweep to 1000Hz in all axes
- mechanical shock of 50G in all axes
- mechanical shock of 12G in all axes
Wake-up @
25Celsius 14V PASSED
85Celsius 9V PASSED
85Celsius 16V PASSED
-40Celsius 9V PASSED
-40Celsius 16V PASSED
Low Temperature Wake-up after 24 hours soak at -40Celsius FAILED
The DRV8705S failed like in the picture bellow.
- Based on your experience what could cause this failure?
- Would it be possible for you to provide us some information on what blocks are present in the burned area of the chip?
- What are the recommended next steps in root cause analysis?
- can you provide some hints for us on how to proceed next?
- would an x-ray/CT be helpful in this situation.
- Can TI help with electron microscope analysis?
