The S-8211CBO-I6T1G is a lithium-ion battery protection IC manufactured by SII Semiconductor Corporation. It is designed to protect single-cell lithium-ion batteries from overcharge, overdischarge, and overcurrent conditions, ensuring safe and reliable battery operation. This IC is commonly used in portable electronic devices, such as smartphones, tablets, and power banks.

Applications

• Smartphones: Used in smartphones to protect the battery from damage.
• Tablets: Employed in tablets to prevent overcharge and overdischarge.
• Power Banks: Utilized in power banks to ensure safe battery operation.
• Portable Media Players: Found in portable media players for battery protection.
• Bluetooth Headsets: Used in Bluetooth headsets to prevent battery damage.

Features

• Overcharge Protection: Prevents the battery from being overcharged.
• Overdischarge Protection: Prevents the battery from being excessively discharged.
• Overcurrent Protection: Limits the current drawn from the battery to prevent damage.
• Short-Circuit Protection: Protects the battery from short-circuit conditions.
• High Accuracy: Provides accurate voltage and current monitoring.
• Low Current Consumption: Minimizes power consumption to extend battery life.
• Small Package: Available in a compact surface-mount package.

Benefits

• Battery Protection: Protects lithium-ion batteries from damage.
• Enhanced Safety: Enhances the safety of portable electronic devices.
• Longer Battery Life: Extends the lifespan of lithium-ion batteries.
• Reliable Operation: Ensures reliable battery operation.
• Easy to Use: Requires minimal external components, simplifying circuit design.

Additional Details

The S-8211CBO-I6T1G monitors the battery voltage and current, and if it detects any overcharge, overdischarge, or overcurrent condition, it disconnects the battery from the load or charger. Key specifications include overcharge detection voltage, overdischarge detection voltage, overcurrent detection current, and operating temperature range. It is crucial to consult the datasheet for detailed electrical characteristics, package dimensions, and application guidelines. Proper external components, such as resistors and capacitors, are required to set the protection thresholds. The protection IC requires careful layout to ensure proper operation and prevent false triggering. The device is designed to protect single-cell lithium-ion batteries only and should not be used with other battery types. It is also important to follow the manufacturer's recommendations for battery charging and discharging.