The S-8254AAWFT-TB-S is a lithium-ion battery protection IC manufactured by SII Semiconductor Corporation. This IC is designed to protect lithium-ion battery packs from overcharge, overdischarge, and overcurrent conditions, ensuring safe and reliable operation.

Applications

• Smartphone Battery Packs: Used in smartphone battery packs for protection.
• Tablet Battery Packs: Employed in tablet battery packs to prevent overcharging and overdischarging.
• Power Tool Battery Packs: Applied in power tool battery packs for protection against overcurrent conditions.
• Portable Device Battery Packs: Utilized in battery packs for various portable devices, such as digital cameras and portable media players.
• Backup Power Systems: Integrated into backup power systems, such as UPS, for battery protection.

Features

• Overcharge Protection: Prevents overcharging of the lithium-ion battery.
• Overdischarge Protection: Protects the battery from excessive discharge.
• Overcurrent Protection: Limits the current to prevent damage from overcurrent conditions.
• Short-Circuit Protection: Provides protection against short-circuit conditions.
• Low Current Consumption: Features low current consumption to minimize battery drain.
• Small Package: Available in a small package, such as SOT-25 or similar, for space-saving applications.

Benefits

• Enhanced Battery Safety: Ensures safe operation of lithium-ion battery packs by preventing overcharge, overdischarge, and overcurrent conditions.
• Extended Battery Life: Protects the battery from damage, extending its overall lifespan.
• Reliable Operation: Provides reliable protection in various operating conditions.
• Compact Design: Allows for space-saving designs due to its small package size.
• Simplified Design: Simplifies battery protection circuit design.

Additional Details

The S-8254AAWFT-TB-S features specific voltage thresholds for overcharge and overdischarge protection, as well as current limits for overcurrent protection. The TB-S suffix likely refers to the specific tape and reel packaging for automated assembly. It is crucial to consult the manufacturer's datasheet for detailed specifications, including the overcharge detection voltage, overdischarge detection voltage, overcurrent detection current, and operating temperature range.

This battery protection IC is commonly used in lithium-ion battery packs for portable electronic devices and power tools to ensure safe and reliable operation.