The S-8211DAB-I6T1G is a high-precision lithium-ion battery protection IC manufactured by SII Semiconductor Corporation. It provides comprehensive protection features for single-cell lithium-ion battery packs, safeguarding against overcharge, overdischarge, and overcurrent conditions. This IC is commonly used in a wide range of portable electronic devices.

Applications

• Smartphones
• Tablets
• Portable Media Players
• Digital Cameras
• Wearable Devices (Smartwatches, Fitness Trackers)

Features

• Overcharge Detection: Monitors the battery voltage and disconnects the charging circuit when the voltage exceeds a preset limit.
• Overdischarge Detection: Prevents the battery from being discharged below a safe voltage level, protecting it from irreversible damage.
• Overcurrent Protection: Limits the discharge current to protect the battery and the load from excessive current draw.
• Short-Circuit Protection: Rapidly shuts down the discharge path in the event of a short circuit, preventing catastrophic failure.
• High-Accuracy Voltage Detection: Ensures accurate 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, making it suitable for space-constrained applications.

Benefits

• Improved Battery Safety: Protects lithium-ion batteries from damage caused by overcharge, overdischarge, and overcurrent conditions.
• Extended Battery Lifespan: Prevents battery degradation due to improper charging and discharging.
• Enhanced 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.
• Minimized Power Consumption: Low standby current extends battery life in portable devices.

Additional Details

The S-8211DAB-I6T1G features a built-in delay circuit to prevent false triggering of the protection functions due to transient voltage spikes. The overcharge, overdischarge, and overcurrent detection thresholds are factory-set to precise values, ensuring consistent and reliable performance. The IC typically operates with a supply voltage in the range of 1.5V to 5.5V. It is available in a small SOT-23-6 package. This IC is RoHS compliant.