The S-8211CAS-I6T1G is a single-cell lithium-ion battery protection IC manufactured by SII Semiconductor Corporation. This IC is designed to safeguard lithium-ion battery packs from damage caused by overcharge, overdischarge, and overcurrent conditions. It is commonly used in portable electronic devices.

Applications

• Smartphones
• Tablets
• Digital cameras
• Portable gaming consoles
• Wearable devices (smartwatches, fitness trackers, etc.)

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 protect the battery and the load from excessive current draw.
• Short-Circuit Protection: Provides immediate shutdown of 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 the impact on battery life, extending the operating time of the device.
• Small Package: Available in a compact SOT-23-6 package, suitable for space-constrained applications.

Benefits

• Enhanced Battery Safety: Protects lithium-ion batteries from damage and potential hazards.
• Extended Battery Lifespan: Prevents battery degradation due to improper charging and discharging.
• Improved Device Reliability: Ensures stable and reliable operation of the electronic device.
• Simplified Circuit Design: Integrates multiple protection functions into a single IC, reducing component count and board space.
• Reduced Power Consumption: Low operating current extends battery life.

Additional Details

The S-8211CAS-I6T1G incorporates a 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. Specific detection voltages vary depending on the specific configuration. This IC is RoHS compliant.