The S-8211CBB-I6T1G is a single-cell lithium-ion battery protection IC manufactured by SII Semiconductor Corporation. Designed for use in portable electronic devices, it provides essential protection against overcharge, overdischarge, and overcurrent conditions, thereby ensuring battery safety and extending its lifespan.

Applications

• Smartphones
• Tablets
• Portable gaming devices
• Wearable devices (smartwatches, fitness trackers)
• Bluetooth headsets and speakers

Features

• Overcharge Protection: Monitors the battery voltage and disconnects the charging circuit when the voltage exceeds a predefined threshold.
• Overdischarge Protection: Prevents the battery from being discharged below a safe voltage level, protecting it from deep discharge damage.
• Overcurrent Protection: Limits the discharge current to prevent damage to the battery and connected circuitry due to excessive current draw.
• Short-Circuit Protection: Provides rapid shutdown of the discharge path in the event of a short circuit.
• High-Accuracy Voltage Detection: Ensures precise monitoring of battery voltage for reliable protection.
• Low Current Consumption: Minimizes the impact on battery life, extending the operating time of the device.
• Compact Package: Available in a small SOT-23-6 package, making it suitable for space-constrained applications.

Benefits

• Enhanced Battery Safety: Protects lithium-ion batteries from damage caused by overcharge, overdischarge, and overcurrent conditions.
• Extended Battery Life: Prevents battery degradation and prolongs the usable lifespan of the battery pack.
• Improved Device Reliability: Ensures stable and reliable operation of the electronic device by protecting the battery.
• Simplified Circuit Design: Integrates multiple protection functions into a single IC, reducing component count and board space.
• Reduced Power Consumption: Low operating current helps extend battery life in portable devices.

Additional Details

The S-8211CBB-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 typically operates with a supply voltage in the range of 1.5V to 5.5V. The specific voltage levels for protection vary depending on the particular model within the S-8211 series. It is RoHS compliant.