The S-8252AAA-I6T1U is a high-precision 2-serial cell lithium-ion battery protection IC manufactured by SII Semiconductor Corporation. It is designed to protect lithium-ion rechargeable batteries from overcharge, overdischarge, and overcurrent conditions, ensuring their safe and reliable operation.

Applications:

• Lithium-ion battery packs for mobile phones
• Battery packs for digital cameras
• Battery packs for portable audio players
• Battery packs for handheld gaming devices
• Battery packs for power tools

Features:

• High-accuracy overcharge detection voltage
• High-accuracy overdischarge detection voltage
• Overcurrent detection function
• Short-circuit protection function
• Charge/discharge control via external FETs
• Low current consumption during operation and shutdown
• Small package size

Benefits:

• Prevents overcharge and overdischarge, extending battery life
• Protects against overcurrent and short-circuit, ensuring safe operation
• Improves battery pack reliability and longevity
• Reduces the risk of battery damage or failure
• Enables compact and lightweight battery pack designs

Technical Specifications:

The S-8252AAA-I6T1U has an overcharge detection voltage of 4.30 V ± 0.025 V, an overcharge release voltage of 4.10 V ± 0.05 V, an overdischarge detection voltage of 2.40 V ± 0.08 V, and an overdischarge release voltage of 3.00 V ± 0.1 V. The overcurrent detection voltage is typically 0.15 V. It operates with a supply voltage range of 1.5 V to 12 V and has a typical current consumption of 3.5 μA during operation and 0.1 μA during shutdown. The operating temperature range is -40°C to +85°C. The package is SOT-23-6. It employs external FETs for charge and discharge control, enabling flexibility in design. The accuracy of voltage detection contributes to efficient battery usage and safety.

This IC is a critical component in ensuring the safe and reliable operation of lithium-ion battery packs. Its high-precision detection and protection functions make it an ideal choice for various portable electronic devices.