The OZ8771LN-C1-O-TR is a highly integrated battery management and protection IC from O2Micro, designed for multi-cell Lithium-Ion (Li-Ion) and Lithium-Polymer (Li-Polymer) battery packs. It incorporates comprehensive protection features to ensure the safe operation and prolonged lifespan of battery packs commonly used in portable devices.

Applications

• Notebook Computers: Powering and protecting the battery packs in laptops.
• Tablet PCs: Managing battery power in tablets.
• Power Tools: Monitoring and safeguarding batteries in cordless power tools.
• Portable Media Players: Providing battery management for portable devices.

Features

• Overvoltage Protection (OVP): Prevents damage to the battery cells from excessive voltage.
• Undervoltage Protection (UVP): Protects the battery cells from deep discharge, which can reduce lifespan.
• Overcurrent Protection (OCP): Limits the discharge current to prevent overheating and potential damage.
• Short Circuit Protection (SCP): Quickly shuts down the output in the event of a short circuit to prevent catastrophic failure.
• Cell Balancing: Ensures that all cells in the battery pack are equally charged, maximizing capacity and lifespan.
• Low Power Consumption: Minimizes power drain from the battery when the system is in standby or sleep mode.

Benefits

• Enhanced Battery Safety: Comprehensive protection features prevent damage to the battery pack and ensure safe operation.
• Extended Battery Lifespan: Cell balancing and protection against over-discharge and over-charge contribute to a longer battery lifespan.
• Improved System Reliability: Stable and reliable battery management enhances the overall reliability of the powered device.
• Simplified Design: Highly integrated design reduces the number of external components required, simplifying the design process.

Additional Details

The OZ8771LN-C1-O-TR typically operates within a specified voltage range, suitable for multi-cell Li-Ion/Li-Polymer configurations. Its protection thresholds are precisely calibrated to ensure accurate and reliable protection. The package type is usually a small outline package (SOP) or similar, suitable for space-constrained applications. Refer to the official O2Micro datasheet for detailed electrical characteristics, application circuits, and package dimensions.