The present invention relates to a cartridge for an electronic tap having a handle or controller with an extended operative range of motion, which allows moving said handle or controller beyond its normal range of motion determined by a first stop, providing in said extended areas additional functionalities using a control system that determines the position of the handle in order to associate to said position a flow value, a fluid mixing ratio value, and/or an additional functionality. The invention also relates to the tap including said cartridge with a handle having an extended operative range of motion and to the operation method thereof.