POWER SUPPLY CIRCUIT

PROBLEM TO BE SOLVED: To realize a power supply circuit capable of achieving effective use and stability of a battery power supply. SOLUTION: An electric double layer capacitor having a large capacity and a low impedance is connected in series to a battery 2, and is provided between the input side o...

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Bibliographische Detailangaben
1. Verfasser: YAJIMA TOSHIAKI
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To realize a power supply circuit capable of achieving effective use and stability of a battery power supply. SOLUTION: An electric double layer capacitor having a large capacity and a low impedance is connected in series to a battery 2, and is provided between the input side of a step-up circuit 4 and the input side of a step-up circuit 3. When a motor driver and a motor part 6 are not operated, a step-up/charging circuit 3 charges the electric double layer capacitor. When the motor driver and the motor part are operated, the step-up/charging circuit 3 stops charging the electric double layer capacitor, and the step-up circuit 4 generate a 5V voltage by using the power charged into the electric double layer capacitor to supply the 5V voltage to the motor driver and the motor part 6. COPYRIGHT: (C)2006,JPO&NCIPI