The S-8253AAA-T8T1GZ is a Lithium-Ion (Li-Ion) battery protection IC manufactured by SII Semiconductor Corporation. It is specifically designed to safeguard Li-Ion and Li-Polymer batteries from overcharge, overdischarge, and overcurrent conditions, which can lead to battery damage, reduced lifespan, and potential safety hazards. The device combines high accuracy, low power consumption, and a compact package, making it suitable for a wide range of portable applications.

Applications:

• Lithium-Ion and Lithium-Polymer Battery Packs
• Smartphones
• Tablets
• Wearable Devices (Smartwatches, Fitness Trackers)
• Portable Power Banks
• Wireless Headphones
• Bluetooth Speakers

Features:

• Overcharge Protection: Precisely monitors battery voltage to prevent overcharging, a leading cause of battery degradation and potential hazards.
• Overdischarge Protection: Prevents the battery from discharging below its minimum safe voltage, protecting it from damage and extending its lifespan.
• Overcurrent Protection: Limits the discharge current to prevent overheating and potential damage to the battery and connected device.
• Short-Circuit Protection: Provides rapid shutdown in the event of a short circuit, minimizing the risk of fire or explosion.
• High-Accuracy Voltage Detection: Ensures precise and reliable protection, maximizing battery performance and longevity.
• Low Current Consumption: Minimizes the impact on battery life, allowing for extended runtimes in portable devices.
• Compact Package: Enables small and lightweight designs, crucial for space-constrained applications.

Benefits:

• Enhanced Battery Safety: Prevents battery damage and mitigates potential hazards associated with overcharge, overdischarge, and overcurrent conditions.
• Extended Battery Lifespan: Optimizes battery usage and prevents premature degradation, maximizing the usable life of the battery.
• Improved System Reliability: Protects the connected device from damage due to battery faults, ensuring stable and reliable operation.
• Simplified Design: Facilitates the design and implementation of robust battery management systems.
• Compact Form Factor: Enables smaller and lighter portable devices, enhancing portability and user experience.
• Prolonged Battery Runtimes: Low power consumption contributes to extended operating times in battery-powered applications.

Additional Details:

The S-8253AAA-T8T1GZ often integrates a built-in delay circuit for overcurrent detection to prevent false triggering due to transient current spikes. Its voltage detection thresholds are pre-configured to align with the characteristics of Lithium-Ion batteries. The IC generally includes a charge-discharge control function. The S-8253 series typically is available in a small DFN (Dual Flat No-Leads) package and is RoHS compliant.