AC-DC adapter interface and battery charger having high...

Details AC-DC adapter interface and battery charger having high... AC-DC adapter interface and battery charger having high...

2007-04-03

2007-04-03

Tso, Edward H. (Department: 2838)

Electricity: battery or capacitor charging or discharging

Battery or cell charging

Reexamination Certificate

active

10828376

ABSTRACT:
Using an overcurrent detector and one-shot, an AC-DC adapter interface and battery charging circuit is operative, in response to the total current being drawn from an AC-DC adapter exceeding a prescribed limit, to immediately reduce (e.g., interrupt) the supply of battery charging current for a prescribed interval, and thereafter allow the battery charging current to incrementally adjust to an acceptable level, while maintaining the total current drawn from the AC-DC adapter to less than the prescribed limit.

REFERENCES:
patent: 6329796 (2001-12-01), Popescu
patent: 2004/0178766 (2004-09-01), Bucur et al.
patent: 2004/0217737 (2004-11-01), Popescu

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