Over voltage and over current protection integrated circuit

Details Over voltage and over current protection integrated circuit Over voltage and over current protection integrated circuit

2008-07-01

2008-07-01

Nguyen, Matthew V (Department: 2838)

Electricity: battery or capacitor charging or discharging

Battery or cell discharging

With charging

C320S136000, C361S090000, C361S091100, C361S101000

Reexamination Certificate

active

07394223

ABSTRACT:
An integrated circuit is disclosed including a primary input for receiving an input voltage, a battery voltage input for receiving a battery voltage signal and an output for providing an output voltage higher than the battery voltage. First circuitry responsive to the input voltage is provided for turning off the output voltage responsive to an input over voltage condition. Second circuitry responsive to the battery voltage signal is provided for turning off the output voltage responsive to a battery over voltage condition. Third circuitry provides for over current protection.

REFERENCES:
patent: 5539299 (1996-07-01), Fernandez et al.
patent: 6046575 (2000-04-01), Demuro
patent: 6111388 (2000-08-01), Mukainakano
patent: 6992463 (2006-01-01), Yoshio
patent: 2001/0021092 (2001-09-01), Astala
patent: 2003/0223170 (2003-12-01), Ely
patent: 2005/0145946 (2005-07-01), Lee et al.
patent: 2005/0168193 (2005-08-01), Xiong et al.
Maxim Integrated Products, Datasheet for MAX1894, Apr. 2002, Ver. 0, pp. 1-16.

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