The S-8261AAOMD-G2OT2G is a single-cell lithium-ion battery protection IC 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 core function is to prevent overcharge, overdischarge, and overcurrent conditions, which can damage the battery and pose safety hazards. It achieves this by continuously monitoring the battery's voltage and current, and disconnecting it from the charging or discharging circuit when a fault condition is detected.

Applications:

• Smartphones: Provides crucial battery safety by preventing overcharging and deep discharging, thereby extending the battery's lifespan.
• Tablets: Ensures reliable battery operation by protecting the device from damage due to voltage or current fluctuations.
• Portable Media Players: Safeguards the battery from potentially damaging conditions, ensuring consistent and reliable performance.
• Digital Cameras: Protects the battery to extend its usability and prevent unexpected power failures during use.
• Wireless Headphones: Monitors battery performance and ensures consistent power output and long-term reliability.
• Wearable Devices: Offers comprehensive battery protection in smartwatches, fitness trackers, and other wearable electronics, ensuring their safe and reliable operation.

Features:

• Overcharge Protection: Prevents the battery from being charged beyond its safe voltage limit, which helps to prevent damage and extend battery life.
• Overdischarge Protection: Prevents the battery from being discharged below its safe voltage level, protecting it from potential damage and maintaining its functionality.
• Overcurrent Protection: Protects the battery from excessive current draw, preventing overheating and potential damage to both the battery and the device.
• Short-Circuit Protection: Immediately disables the battery in the event of a short circuit, minimizing potential safety hazards and preventing further damage.
• High-Precision Voltage Detection: Accurate monitoring of the battery's voltage levels enables reliable and effective protection against battery faults.
• Low Current Consumption: Minimizes power drain, thereby maximizing battery life in portable applications and improving overall energy efficiency.
• Small Package Size: Enables compact designs, making the IC well-suited for integration into small and portable electronic devices.

Benefits:

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

Technical Specifications: The S-8261AAOMD-G2OT2G is characterized by preset overcharge detection voltage, overdischarge detection voltage, and overcurrent detection current levels. The typical supply voltage range is between 1.5V and 4.5V. This IC is engineered for low current consumption, usually in the microampere range during normal operation, with even lower consumption during standby mode. It is usually available in a small package, such as SOT-23-6, and it is rated for operation within a temperature range from -40°C to +85°C.