Electronics Device with Battery Life Optimisation Provided for a drug delivery device or a drug delivery add-on device

The electronics device (50) of any of the preceding claims, wherein the at least one second controller unit (54) comprises a main controller unit (540) configured for computation, particularly for performing the one or more second numerical calculations with the acquired data, which have a higher complexity than the first numerical calculations, and a communication controller unit (542) configured for performing communication tasks, particularly for performing the data communication with the external data processing device (20, 22), particularly transmitting the acquired data after the performed first and/or second numerical calculation to the external data processing device (20, 22).

The electronics device (50) of any of the preceding claims, being configured to activate one or more of the controller units (52, 54) only on demand, wherein activating a controller unit (52, 54) comprises switching the controller unit (52, 54) into a first operational state comprising a first functionality of the controller unit (52, 54), and wherein deactivating a controller unit (52, 54) comprises switching the controller unit (52, 54) into a second operational state comprising a second functionality of the controller unit (52, 54), which is reduced over the first functionality in order to reduce power consumption of the controller unit (52, 54).

The electronics device (50) of any of the preceding claims, wherein the at least one first controller unit (52) and the at least one second controller unit (54) are discrete units connected by a data bus and/or at least some of the controller units (52, 54) are implemented by a system-on-chip comprising multiple cores each implementing one or more of the controller units (52, 54).

The electronics device (50) of any of the preceding claims, wherein the at least one second controller unit comprises one or more of the following:

• a wireless interface (542), particularly a Bluetooth®, Wi-Fi™, ZigBee™, a Near Field Communication interface;
• a wired interface, particularly a serial communication bus interface such as I2C, USB.

The electronics device (50) of any of the preceding claims, wherein the at least one first controller unit has less program space than the at least one second controller unit.

A drug delivery device (12) or a drug delivery add-on device (10) comprising an electronics device (50) of any of the preceding claims and a battery for supplying the electronics device (50) with electrical energy, wherein particularly the battery is a button cell having a capacity in milliampere hours selected to supply an electrical current sufficient to operate the electronics device (50) over the usual utilization time of the drug delivery device (12) without requiring a battery replacement during the usual utilization time.