CCG5 damage

[Kok]

Hi  all:

There is no battery power supply, CCG5 equipment after the drop test, CCG5 was found to be hot and could not be powered on and started. Measurement found that VDDIO short circuit to the ground, please help analyze, please refer to the attachment for details

[ShifangZ_26 · Accepted solution]

Hello ，

Could you please share schematic and PCB layout for further analysis and let us know the failure rate of VDDIO short to ground issue after CCG5 equipment after the drop tests? 

VDDIO is responsible for all of generic GPIOs of CCG5, specification of CCG5 for GPIO and VDDIO shall be attention. 

Please contact local FAE for Failure Analysis from Infineon with delivery the damaged silicon to Infineon. 

Best Regards,

Lisa