When discussing XIAO’s sleep current, the current consumption of onboard devices other than the MPU must be considered. The most dominant factor is the SBD leakage current, which exhibits significant variation and is temperature-sensitive.
[typ. uA] nRF54L15 nRF52840 MG24
MPU I_sleep 0.6 0.4 0.25
SBD Ir 5 Unknown 5
3.3V Reg Iq 0.3 1 0.3
LevelShifter IccA 2 - -
Measured Value Ioff 1.7 2.4 1.6