System and method for battery management using host processing

Details System and method for battery management using host processing System and method for battery management using host processing

2005-02-15

2005-02-15

Bui, Bryan (Department: 2863)

Data processing: measuring, calibrating, or testing

Measurement system in a specific environment

Electrical signal parameter measurement system

C702S064000, C702S065000, C320S132000, C320S134000

Reexamination Certificate

active

06856922

ABSTRACT:
A system and method for portable computer battery management using host processing relocates analog and digital components needed to implement the SBDS standard from the battery pack to the computer, which processes the acquired battery data using the host processor. The battery pack requires only battery temperature and voltage sensing circuits, and an interface circuit for conveying the sensed data out of the battery pack. The portable computer includes a circuit which senses current provided to or drawn from the battery. Battery temperature, voltage and current data is provided to the computer's host system, which executes a battery management application program to determine battery status in accordance with the SBDS standard.

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UNITRODE, bq2092Gas Gauge IC with SMBUS-Like Interface, 6/99, p. 1-28.
BENCHMARQ Products bq2040 ,Gas Gauge IC with SMBUS Interface, Jun. 1999, p. 1-32.

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