The S-8215AAA-K8T2U is a series of 2- to 4-Serial Cell Secondary Protection IC for Lithium-ion Rechargeable Batteries manufactured by ABLIC U.S.A. Inc. This IC is designed to protect multi-cell lithium-ion battery packs from overcharge, overdischarge, and overcurrent conditions, enhancing safety and extending battery lifespan. As a secondary protection IC, it complements the primary protection within a Battery Management System (BMS).

Applications

• Lithium-ion battery packs for laptops
• Lithium-ion battery packs for power banks
• Lithium-ion battery packs for cordless power tools
• Lithium-ion battery packs for electric bicycles
• Backup power systems

Features

• Overcharge detection for each cell in series
• Overdischarge detection
• Overcurrent detection
• High-accuracy detection thresholds
• Low current consumption
• Small package size (TSSOP-16)
• Operating temperature range: -40°C to +85°C

Benefits

• Provides reliable protection for lithium-ion batteries, preventing damage from overcharge, overdischarge, and overcurrent.
• Extends battery life by safeguarding against extreme operating conditions.
• Enhances safety by mitigating the risk of battery explosions or fires.
• High-accuracy detection ensures precise and reliable protection.
• Low current consumption minimizes power drain on the battery pack.
• Compact package size is suitable for space-constrained applications.

Additional Details

The S-8215AAA-K8T2U series offers comprehensive protection for multi-cell lithium-ion battery packs. It monitors each cell individually for overcharge conditions, providing cell balancing capabilities. The IC is designed to interface seamlessly with a host microcontroller for advanced battery management features. Its robust design and wide operating temperature range make it suitable for demanding applications. The TSSOP-16 package simplifies manufacturing and reduces board space requirements.