Tool/software:
Hi
I am using TPS61288RQQR with the following specifications
Vin : 2.7V to 3.6V (from an battery)
Vout : 5V
Iout : 2A (Max)
It is observed that, In few builds, boost IC is not functioning and In few are getting failed intermediately.
When I checked the resistance on the Pin 4 and Pin 5, its more than 1kohm and in diode mode vf ~0.4V , intermediately IC starts heats up and when we power off and verify the resistance of Pin 4 and Pin 5 it goes in order of ohms and vf -0V
Attaching schmeatics for ur reference
Intially,Suspected the CAP on enable pin C297 is causing the issue, with that removal doesnot solve the issue yet.
Do let me know the what is the possible issues and way forward for the same.
TIA
Regards
Chaitanya