Motor vehicle battery disconnect circuit having electronic...

Details Motor vehicle battery disconnect circuit having electronic... Motor vehicle battery disconnect circuit having electronic...

2006-09-29

2009-11-03

Tso, Edward (Department: 2858)

Electricity: battery or capacitor charging or discharging

One cell or battery charges another

Vehicle battery charging

C320S163000, C320S134000

Reexamination Certificate

active

07612524

ABSTRACT:
An electronic disconnect switch module (12) in a motor vehicle has one or more pairs of high-current, high-side solid state switch devices (30A,30B,32A, and32B). The source terminal of one device of each pair is connected to vehicle load circuits (27), the source terminal of the other device of each pair is connected to the vehicle battery bank (16), and the drain terminals of the devices of each pair are connected in common. The module also has a microcontroller (34) that interfaces the switch devices with the vehicle electrical system. Four feature groups are provided: Vehicle Electrical System Protection, Battery Charge Control, Battery Disconnect, and Battery Monitoring.

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patent: 6417668 (2002-07-01), Howard et al.
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patent: 6836094 (2004-12-01), Bender
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patent: 2007/0080662 (2007-04-01), Wu
Freescale Semiconductor, Inc., “Single Intelligent High-Current Self-Protected Silicon High-Side Switch (2.0 mΩ),” Freescale Semiconductor Technical Data, Document order No. MC33982, Rev 9.0, Aug. 2005.

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