A process for performing an auto-test of a fully discharged battery (130) of an electronic appliance including a battery charger (160), said process involving the steps of : - performing (210) an initialization phase; - charging (220) said battery (130) wi...

A Power Management circuit for a portable electronic device comprising an internal battery (200) to be charged either through a first interface or through a AC-DC conversion circuit. The circuit comprises a first buck/boost converter (210) having a Switche...

Power system comprising at least one power source (30) and a DC/DC converter (31) with an input (IN) coupled to the power source, and an output (OUT) which may be coupled to a load (39, 40), for allowing power transfer from the power source to the load, th...