SUPPLY CIRCUIT IN A PROTECTIVE CHILD COMMUNICATION SYSTEM, PROTECTIVE BOOT AND METHOD OF OPERATION

摘要

The present invention relates to a power supply circuit (28) in a communication system of a protective cap for supplying the communication system from a power source (30, 32) associated with the protection cap, in which, for a better exploitation of the electric energy supplied by the power source (30, 32), the power supply circuit (28) comprises a boost converter (44), and moreover, also a protection cap comprising such a power supply circuit (28) for powering the communication system included in the protective cap, as well as a method of operating such a power supply circuit (28).