The S-8261DAW-M6T1U is a single-cell lithium-ion battery protection IC manufactured by ABLIC U.S.A. Inc. This IC is designed to protect lithium-ion battery packs from overcharge, overdischarge, and overcurrent conditions, ensuring the safety and prolonging the lifespan of the battery and the devices they power.

Applications

• Smartphones: Employed for battery protection circuits within smartphones.
• Tablets: Utilized in battery management systems in tablets.
• Wearable Devices: Integrated into the battery protection circuitry of smartwatches and fitness trackers.
• Portable Audio Players: Used for battery safety in devices like MP3 players and portable speakers.
• Bluetooth Earphones: Found in wireless earbuds for battery protection.

Features

• Overcharge Detection: Monitors battery voltage and prevents overcharging by cutting off the charging current.
• Overdischarge Detection: Prevents deep discharge by disconnecting the battery when the voltage drops below a safe level.
• Overcurrent Protection: Limits the current flowing from the battery to protect against short circuits and excessive loads.
• High-Accuracy Voltage Detection: Provides precise voltage monitoring for reliable protection.
• Low Current Consumption: Minimizes power drain on the battery, extending its run time.
• Small Package Size: Enables integration into compact battery packs.

Benefits

• Enhanced Battery Safety: Prevents battery damage and potential hazards, such as overheating and explosions.
• Extended Battery Life: Protects the battery from damage caused by overcharging and overdischarging, thereby prolonging its life.
• Improved Device Reliability: Ensures stable and reliable device performance by preventing battery-related issues.
• Reduced Risk of Fire: Minimizes the likelihood of battery-related fires due to overcharging or short circuits.
• Compliance with Safety Regulations: Helps device manufacturers meet regulatory requirements for battery safety.

Additional Details

The S-8261DAW-M6T1U includes several key parameters such as overcharge detection voltage, overdischarge detection voltage, and overcurrent detection current. These parameters are carefully chosen to provide optimal protection for the battery while allowing it to operate within its safe operating range. The IC typically uses a small package, like SOT-23-6, making it easy to integrate into space-constrained applications. It features a built-in delay circuit to prevent false triggering due to transient events.

The datasheet provides detailed information on electrical characteristics, application circuits, and handling precautions. Proper design and implementation are critical to ensure the effectiveness of the battery protection circuit. Application notes and reference designs from ABLIC U.S.A. Inc. are often available to assist designers in implementing the S-8261DAW-M6T1U in their products.