초록 ▼

A portable, rechargeable device for boost-charging a discharged target battery is equipped with current sensing and regulation circuitry. The device may be used, for example, for boost-charging through a cigarette lighter socket or directly. Such circuitry permits very rapid charging using voltages

A portable, rechargeable device for boost-charging a discharged target battery is equipped with current sensing and regulation circuitry. The device may be used, for example, for boost-charging through a cigarette lighter socket or directly. Such circuitry permits very rapid charging using voltages greater than the nominal voltage of the target battery without blowing a fuse of the cigarette lighter socket or damaging sensitive onboard electronics.

대표청구항 ▼

1. An apparatus for rapidly boost-charging a target battery, comprising:a DC connection through which the boost-charging is performed; a first DC voltage source having a first voltage output coupled to the DC connection; a second DC voltage source having a second voltage output coupled to the DC con

1. An apparatus for rapidly boost-charging a target battery, comprising:a DC connection through which the boost-charging is performed; a first DC voltage source having a first voltage output coupled to the DC connection; a second DC voltage source having a second voltage output coupled to the DC connection, said second voltage output being greater than said first voltage output, and the sum of said first and second voltage outputs being greater than a nominal voltage output of said target battery; a sensing arrangement coupled to the DC connection for determining an amount of current flowing to the target battery during boost-charging; and a current regulation circuit, coupled to said first and second DC voltage sources and to the DC connection, for regulating the amount of current flowing through the DC connection to the target battery during boost-charging based on the output of said sensing arrangement.