Intermittent detection type fast charge and charge control circuit

摘要

The present invention relates to an intermittent detection type fast charge and charge control circuit for an external wireless modem utilized in a portable electronic device such as a notebook computer, The present invention relates to an intermittent detecting type fast charging and charging control circuit capable of enhancing the reliability of an apparatus to be used without causing a malfunction even during a switching operation between an external power supply apparatus and a rechargeable battery while maximizing the efficiency of the rechargeable battery. A high-speed charging circuit 11 of an intermittence detecting type, a rechargeable battery 12 of a nickel-cadmium system, a nickel-hydrogen system and a lithium ion system, and a main body circuit 13 to which a modem pack is attached, And the DC power source through the fast charging circuit 11 is supplied to the main circuit 13 through the rechargeable battery 12. [ Intermittent detection type fast charge and charge control circuit.