Battery backup system with sleep mode

Details Battery backup system with sleep mode Battery backup system with sleep mode

2010-11-02

2011-10-04

Tso, Edward (Department: 2858)

Electricity: battery or capacitor charging or discharging

Battery or cell discharging

With charging

C320S128000, C320S136000, C320S152000, C320S159000, C320S162000

Reexamination Certificate

active

08030897

ABSTRACT:
The present invention concerns an apparatus comprising a charger circuit and a control circuit. The charger circuit may be configured to generate a first power down control signal and a second power down control signal in response to (i) a first charge signal, (ii) a second charge signal, (iii) a supply voltage, and (iv) a host control signal. The control circuit may be configured to generate the first charge signal and the second charge signal in response to a first battery signal and a second battery signal. The control circuit may enter a power down state in response to the host control signal initiating the power down state.

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“Dual Smart Battery System Manager”, Linear Technology, LTC1760, Jan. 2003, 44 pages.

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