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→ST M41T83 (alternative option)
Typical current drawn from the battery is TBD uA370 nA, when the system is powered off [1]. Thus expected battery life is TBDabout 5 years, in case a battery with nominal capacity of 17 mAh is used.
This solution is more expensive but guarantees a longer timekeeping operation time, because M41T83 power consumption is very low. In any case, it is possible to not populate the on-board battery and to connect a larger one to the connector J56 to achieve an even longer operation time. For more information, please contact [mailto:sales@dave.eu Sales department].