The S-8211CDP-I6T1U is a single-cell lithium-ion battery protection IC from ABLIC U.S.A. Inc. It offers overcharge, overdischarge, and overcurrent protection for lithium-ion batteries. This IC is commonly used in a wide array of portable electronic devices to ensure battery safety and prolong battery life.

Applications

• Single-cell lithium-ion battery packs
• Smartphones
• Tablets
• Portable gaming consoles
• Bluetooth speakers

Features

• Overcharge protection
• Overdischarge protection
• Overcurrent protection
• Short-circuit protection
• High-accuracy voltage detection
• Small package: SOT-26

Benefits

• Enhanced Battery Safety: Protects the battery from damage caused by overcharging, overdischarging, and excessive current flow.
• Prolonged Battery Life: Prevents irreversible damage to the battery, extending its useful life.
• Improved Device Reliability: Ensures stable and safe operation of the electronic device.
• Compact Size: The small SOT-26 package is ideal for space-constrained applications.
• Simplified Circuit Design: Minimizes the need for external components, simplifying the overall design.

Additional Details

The S-8211CDP-I6T1U provides comprehensive protection for lithium-ion batteries, safeguarding against overcharge, overdischarge, overcurrent, and short-circuit conditions. The overcharge protection circuit prevents the battery voltage from exceeding a safe threshold during charging. The overdischarge protection prevents the battery from being depleted below a safe level. The overcurrent protection limits the discharge current, and the short-circuit protection provides a rapid shutdown in the event of a short circuit. This IC typically requires external MOSFETs to implement the protection functions, and the accuracy of the detection voltages is crucial for reliable battery protection. The specific voltage thresholds for overcharge and overdischarge protection, along with the current limits for overcurrent protection, are specific to the S-8211CDP model and should be verified in the datasheet. It's generally used in devices using a single Li-Ion/LiPo cell with 3.6V or 3.7V nominal voltage.