Buck/boost power converter for an electronic apparatus,...

Details Buck/boost power converter for an electronic apparatus,... Buck/boost power converter for an electronic apparatus,...

2005-08-04

2009-02-03

Tso, Edward (Department: 2838)

Electricity: battery or capacitor charging or discharging

Cell or battery charger structure

Reexamination Certificate

active

07486046

ABSTRACT:
A boost/buck and DC/DC power converter with a charging function, a method thereof and a system incorporating the same are disclosed. The system uses an external power supply or a rechargeable battery as the power thereof. The power converter regulates the external power supply for producing the output voltage. An inductor-based booster/bucker further boosts or bucks the produced output voltage and the boosted or bucked output voltage charges the rechargeable battery.

REFERENCES:
patent: 6262558 (2001-07-01), Weinberg
patent: 2004/0239299 (2004-12-01), Vinciarelli

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