The S-8261AANMD-G2NT2S 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's voltage and current, and to disconnect the battery from the charging or discharging circuit when a fault condition is detected.

Applications:

• Smartphones: Provides critical battery protection, enhancing safety and extending battery lifespan in smartphones.
• Tablets: Ensures reliable battery operation, preventing damage from overcharging or excessive discharging in tablet devices.
• Portable Media Players: Protects the battery from potentially harmful conditions, ensuring consistent performance and prolonging battery life.
• Digital Cameras: Safeguards the battery, extending its usability and preventing unexpected power failures in digital cameras.
• Wireless Headphones: Monitors battery performance, ensuring consistent power and longevity in wireless headphones and earbuds.
• Wearable Devices: Offers comprehensive battery protection in smartwatches, fitness trackers, and other wearable electronic devices.

Features:

• Overcharge Protection: Prevents the battery from being charged beyond its safe voltage limit, protecting it from damage.
• Overdischarge Protection: Prevents the battery from being discharged below its safe voltage level, extending its lifespan.
• 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, minimizing potential hazards.
• High-Precision Voltage Detection: Accurate monitoring of battery voltage levels for reliable and effective protection.
• Low Current Consumption: Minimizes power drain, maximizing battery life in portable applications and improving energy efficiency.
• Small Package Size: Enables compact designs, making it suitable for integration into small and portable electronic devices.

Benefits:

• Enhanced Battery Safety: Prevents battery damage and reduces the risk of fire or explosion, ensuring safer operation.
• Extended Battery Life: Protects the battery from conditions that can shorten its lifespan, maximizing its useful life.
• Improved Device Reliability: Ensures stable and reliable operation of the device by preventing battery-related failures.
• Reduced Component Count: Integrates multiple protection functions into a single integrated circuit, simplifying circuit design.
• Simplified Circuit Design: Facilitates easier integration into battery protection circuits, reducing design complexity.

Technical Specifications: The S-8261AANMD-G2NT2S typically features preset overcharge detection voltage, overdischarge detection voltage, and overcurrent detection current levels specific to the application. The supply voltage range usually spans from 1.5V to 4.5V. The IC is designed for extremely low current consumption, typically in the microampere range during normal operation, and even lower during standby mode. It is commonly available in a small package, such as SOT-23-6, enabling compact designs. The operating temperature range is generally specified as -40°C to +85°C.