H - Electricity – 02 – H
Patent
H - Electricity
02
H
H02H 9/04 (2006.01) H02H 7/18 (2006.01) H02J 7/00 (2006.01)
Patent
CA 2406500
An over-voltage protection circuit is disclosed herein for protection against over-voltage of an energy storage device while charging. The circuit operates within the operational limits of a battery-operated device, such as a mobile or handheld device. The over-voltage protection circuit comprises an over-voltage protection device, and an over- voltage protection controller. The controller allows current to flow to the over- voltage protection device only when an energy storage device is experiencing over-voltage. In allowing current to flow to the over-voltage protection device only when the voltage across the energy storage device is above a predetermined voltage, power conservation is achieved
Habicher Michael F.
Luong Quang A.
Madter Richard
Mathew Roshy Stan
Schaaff Carl D.
Borden Ladner Gervais Llp
Research In Motion Limited
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