The S-8211CAT-I6T1G is a single-cell lithium-ion battery protection IC manufactured by SII Semiconductor Corporation. It provides comprehensive protection for lithium-ion batteries used in portable electronic devices, safeguarding against overcharge, overdischarge, and overcurrent conditions. This IC is designed to enhance battery safety and prolong battery life.

Applications

• Smartphones
• Tablets
• Portable Media Players
• Wearable Devices (Smartwatches, Fitness Trackers)
• Bluetooth Headphones

Features

• Overcharge Protection: Monitors the battery voltage and disconnects the charging circuit when the voltage exceeds a preset limit.
• Overdischarge Protection: Prevents the battery from being discharged below a safe voltage level, protecting it from irreversible damage.
• Overcurrent Protection: Limits the discharge current to a safe level, preventing damage to the battery and connected circuitry.
• Short-Circuit Protection: Rapidly shuts down the discharge path in the event of a short circuit.
• High-Accuracy Voltage Detection: Ensures precise and reliable protection against overcharge and overdischarge conditions.
• Low Current Consumption: Minimizes power drain on the battery, extending the operating time of the device.
• Small Package: Available in a compact SOT-23-6 package, ideal for space-constrained applications.

Benefits

• Enhanced Battery Safety: Protects lithium-ion batteries from damage caused by overcharge, overdischarge, and overcurrent conditions.
• Extended Battery Lifespan: Prevents battery degradation and prolongs the usable lifespan of the battery pack.
• Improved Device Reliability: Ensures stable and reliable operation of the device by protecting the battery.
• Reduced Component Count: Integrates multiple protection functions into a single IC, simplifying circuit design and reducing board space.
• Minimized Power Consumption: Low standby current contributes to longer battery life.

Additional Details

The S-8211CAT-I6T1G includes a built-in delay circuit to prevent false triggering of protection functions due to noise or transient voltage spikes. The overcharge, overdischarge, and overcurrent detection thresholds are precisely calibrated to ensure accurate and reliable protection. The IC operates typically with a supply voltage in the range of 1.5V to 5.5V. The specific detection voltage levels are specific to the CAT variant within the S-8211 series. It is RoHS compliant.