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January 3, 2013
16:36 EDTOIIMO2Micro granted U.S. patent for protection circuit architecture
O2Micro announced that it was issued 24 claims under United States patent number 8,248,259 for its Protection Circuit with Timer architecture. This patented architecture, within a Lithium Ion battery for example, enables the protection function to completely and safely disconnect a charging source from any undesired conditions. For example, if a battery over-voltage condition occurs, a series of signals are triggered that enable the protection function. Bill Densham, strategic marketing director, O2Micro, said "This patent ensures that protection functions are fully executed after encountering a fault condition, protecting end users from potentially dangerous conditions caused by partially implemented protection."
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December 17, 2014
08:40 EDTOIIMO2Micro awarded U.S. patent for BMS with Vertical Bus Circuits
O2Micro was granted a U.S. patent for its Battery Management Systems, or BM, with Vertical Bus Circuits. A BMS monitors battery modules to ensure safe operation and to maximize capacity and battery cycle life via connection to a host microprocessor. Vertical bus circuits enable the host processor to communicate with the battery management chips in a BMS. This invention, issued 24 claims under U.S. patent number 8,907,625, ensures an efficient BMS with low operating power consumption and system costs.

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