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MC33349 Lithium Battery Protection Circuit for One Cell Battery Packs
The MC33349 is a monolithic lithium battery protection circuit that is designed to enhance the useful operating life of a one cell rechargeable battery pack. Cell protection features consist of internally trimmed charge and discharge voltage limits, discharge current limit detection, and a low current standby mode when the cell is discharged. This protection circuit requires a minimum number of external components and is targeted for inclusion within the battery pack.