The S-8261AAJM-G2 is a single-cell lithium-ion battery protection IC manufactured by SII Semiconductor Corporation. This IC is designed to protect lithium-ion batteries from overcharge, overdischarge, and overcurrent conditions, ensuring safe and reliable operation in various portable electronic devices. Its primary function is to monitor the battery voltage and current, and to disconnect the battery from the charging or discharging circuit when a fault condition is detected.

Applications:

• Smartphones: Provides essential battery protection, enhancing safety and extending battery lifespan.
• Tablets: Ensures reliable battery operation, preventing damage from overcharging or deep discharging.
• Portable Media Players: Safeguards the battery from potentially damaging conditions, ensuring consistent performance.
• Digital Cameras: Protects the battery, extending its usability and preventing unexpected power failures.
• Wireless Headphones: Monitors battery performance, ensuring consistent power and longevity.
• Wearable Devices: Offers comprehensive battery protection in smartwatches, fitness trackers, and other wearable electronics.

Features:

• Overcharge Protection: Prevents the battery from being charged beyond its safe voltage limit.
• Overdischarge Protection: Prevents the battery from being discharged below its safe voltage level.
• 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.
• High-Precision Voltage Detection: Accurate monitoring of battery voltage levels for reliable protection.
• Low Current Consumption: Minimizes power drain, extending battery life in portable applications.
• Small Package Size: Enables compact designs, ideal for integration into small electronic 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 integrated circuit.
• Simplified Circuit Design: Facilitates easier integration into battery protection circuits.

Technical Specifications: The S-8261AAJM-G2 typically features preset overcharge detection voltage, overdischarge detection voltage, and overcurrent detection current levels. The supply voltage range typically spans from 1.5V to 4.5V. The IC exhibits very low current consumption, typically in the microampere range during normal operation, and even lower during standby. It's commonly available in a small package, such as SOT-23-6. The operating temperature range is usually -40°C to +85°C.