Patent · US Expired

Monolithic battery protection circuit

US6580250B1 · kind B1 · utility

9Cited by

8References

20Claims

0Family size

Assignee

DIALOG SEMICONDUCTOR INC. · DE

Inventors

Achim Stellberger · Bad Schönborn, DE
Michael Keller · Overland Park, US
Rolt Hülss · Hockenheim, DE
Frank Kronmuller · Kirchheim unter Teck, DE

Key dates

Filing date	Feb 28, 2002
Grant date	Jun 17, 2003
Priority date	—
Expiry date	Feb 28, 2022

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E60/10
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

In accordance with the objects of this invention, A battery protection circuit is achieved. The circuit comprises, first, a FET switch. Last, a control circuit determines the ON/OFF state of the FET switch. The FET switch and the control circuit comprise a single integrated circuit device. The control circuit may comprise over charge and over discharge detectors, a voltage reference, and a level shifter.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.