The S-8261AAGMD-G2GT2G is a single-cell lithium-ion battery protection IC designed and manufactured by SII Semiconductor Corporation. This integrated circuit provides essential protection features for lithium-ion batteries, ensuring safe and reliable operation in a wide range of portable electronic devices. Its primary function is to prevent overcharge, overdischarge, and overcurrent conditions, which can damage the battery and pose safety hazards.

Applications:

• Smartphones: Protects the lithium-ion battery, extending its lifespan and preventing potential hazards.
• Tablets: Ensures the safe and reliable operation of the battery in tablets, preventing overcharge, overdischarge, and overcurrent situations.
• Portable Media Players: Provides essential battery protection, maximizing battery life and preventing damage from adverse conditions.
• Digital Cameras: Safeguards the battery in digital cameras, ensuring reliable power and preventing potential battery-related issues.
• Wireless Headphones: Protects the battery from damage caused by overcharging or excessive discharging.
• Wearable Devices: Provides critical battery protection in smartwatches, fitness trackers, and other wearable electronics.

Features:

• Overcharge Protection: Prevents the battery from being charged beyond its safe voltage limit, preventing damage and potential safety risks.
• Overdischarge Protection: Prevents the battery from being discharged below its safe voltage level, extending its lifespan and preventing damage.
• Overcurrent Protection: Protects the battery from excessive current draw, preventing overheating and potential damage.
• Short-Circuit Protection: Immediately disables the battery in the event of a short circuit, preventing fire or explosion.
• High-Precision Voltage Detection: Accurate monitoring of battery voltage levels for reliable protection.
• Low Current Consumption: Minimizes power drain, maximizing battery life in portable applications.
• Small Package Size: Enables compact designs, making it suitable for small and portable devices.

Benefits:

• Enhanced Battery Safety: Prevents battery damage and reduces the risk of fire or explosion.
• Extended Battery Life: Protects the battery from conditions that can shorten its lifespan.
• Improved Device Reliability: Ensures stable and reliable operation of the device.
• Reduced Component Count: Integrates multiple protection functions into a single IC.
• Simplified Circuit Design: Easier integration into battery protection circuits.

Technical Specifications: The S-8261AAGMD-G2GT2G features specific overcharge detection voltage, overdischarge detection voltage, and overcurrent detection current levels, which are preset at the factory. The supply voltage range is typically between 1.5V and 4.5V. The IC has very low current consumption, typically in the microampere range during normal operation and even lower in standby mode. It's commonly available in small packages such as SOT-23-6. The operating temperature range is usually -40°C to +85°C.