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.

• Internally Trimmed Charge and Discharge Voltage Limits
• Discharge Current Limit Detection
• Low Current Standby Mode when Cells are Discharged
• Dedicated for One Cell Applications
• Minimum Components for Inclusion within the Battery Pack
• Available in a Low Profile Surface Mount Package