The S-8261AAVBD-G2V-TE is a series of single-cell lithium-ion battery protection ICs manufactured by SII Semiconductor Corporation. These ICs are designed to protect lithium-ion battery packs from overcharge, overdischarge, and overcurrent conditions, ensuring the safety and longevity of the battery and the devices they power.

Applications

• Smartphones: Battery protection in smartphones to prevent overcharging and deep discharging.
• Tablets: Power management for tablet batteries ensuring safety during charging and usage.
• Wearable Devices: Used in smartwatches and fitness trackers to manage battery charging and prevent damage.
• Bluetooth Headphones: Battery protection for wireless headphone charging and power usage.
• Portable Media Players: Lithium-ion battery management for long lasting performance and battery safety.

Features

• Overcharge Detection: Accurately detects overcharge voltage and shuts off charging.
• Overdischarge Detection: Prevents deep discharge by cutting off the battery output.
• Overcurrent Detection: Protects from short circuits and excessive current draw.
• Low Current Consumption: Minimizes power consumption to extend battery life.
• High-Accuracy Voltage Detection: Provides precise and reliable protection.
• Compact Package: Small size allows for easy integration into battery packs.

Benefits

• Enhanced Battery Safety: Reduces the risk of battery damage and potential hazards.
• Extended Battery Life: Prevents damage from overcharging and overdischarging, increasing lifespan.
• Improved Device Reliability: Ensures stable and reliable device performance.
• Reduced Fire Hazard: Minimizes the risk of battery-related fires.
• Compliance with Industry Standards: Helps meet safety requirements for battery-powered devices.

Additional Details

The S-8261AAVBD-G2V-TE integrates overcharge detection voltage, overcharge release voltage, overdischarge detection voltage, and overdischarge release voltage circuits. These parameters are crucial for safe operation of lithium-ion batteries. The IC monitors the battery voltage and current, and activates protection mechanisms when necessary. The extremely low current consumption during normal operation is a key advantage for extending battery life in portable devices. The datasheet specifies the detailed electrical characteristics, operating temperature range, and package dimensions.

The device also features a built-in delay circuit for overcurrent detection, preventing false triggering due to surge currents. This ensures stable operation and prevents unnecessary interruptions. Proper application requires careful consideration of the external components and adherence to the manufacturer's guidelines to achieve optimal performance and protection.