Secondary battery protection device

Details Secondary battery protection device Secondary battery protection device

2006-06-27

2006-06-27

Jackson, Stephen W. (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific quantity comparison means

C361S090000, C361S093100

Reexamination Certificate

active

07068484

ABSTRACT:
Device miniaturization is made possible by building a battery protection circuit in a microcomputer. A secondary battery protection device comprises a voltage detection means7that detects a voltage of a power supply circuit6including a secondary battery1, a current detection means8that detects a current of the power supply circuit, and a battery protection circuit10that shuts off the power supply circuit6based on a signal representing a detection made by the voltage detection means7or the current detection means8of an excess current that is generated in the power supply circuit6, wherein the protection circuit10is built in a microcomputer13.

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