My BLE peripheral application is based on the TI BLE stack version 2.2.1.18. I started with the SensorTag application and removed all services except MOV and KEYS. The application goes to sleep after 5 minutes of inactivity and I measure 8ua while sleeping which is good. I let the system stay in sleep mode for 24 hours and the power stays at 8ua. However, twice now I have glanced at the power meter and noticed the system drawing 0.48ma for a few seconds and then it goes back to 8ua. I do not know how often this happens, but I did stare at the power meter for 5 minutes one time. I searched though the application code but I cannot find anything to explain this power surge while sleeping. Could there be some timer running in the BLE stack causing this power usage?
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