The S-8250 series from ABLIC U.S.A. Inc. is a family of voltage detector ICs meticulously designed for the protection of lithium-ion rechargeable batteries. The S-8250BAK-I6T1U is a specific variant within this series, offering comprehensive protection features, including overcharge detection, overdischarge detection, and overcurrent detection. These features are crucial for ensuring the safe and reliable operation of lithium-ion batteries, thereby prolonging their lifespan. The device is characterized by its remarkably low current consumption, which significantly contributes to extending the operational life of battery-powered portable devices.

Applications

• Protection circuits for lithium-ion battery packs in smartphones.
• Battery management systems (BMS) for tablet computers.
• Safety circuits for lithium-ion batteries used in power tools.
• Uninterruptible power supplies (UPS) relying on lithium-ion batteries.
• Energy storage solutions utilizing lithium-ion battery technology.

Features

• Highly accurate overcharge detection voltage, ensuring precise protection.
• Extremely low current consumption during normal operation, maximizing battery life.
• Effective overdischarge detection to prevent battery damage from excessive discharge.
• Reliable overcurrent detection to safeguard against short circuits and excessive loads.
• Built-in hysteresis in the overcharge detection circuit to prevent unwanted oscillations.
• Compact package size, facilitating integration into space-constrained applications.

Benefits

• Enhanced protection against overcharging, preventing irreversible damage to lithium-ion batteries and extending their operational lifespan.
• Prevention of over-discharging, which can lead to battery degradation and reduced capacity.
• Robust protection against overcurrent conditions, mitigating the risk of overheating, fire, and other potential hazards.
• Extended battery life in portable devices due to minimal current draw by the protection IC.
• Seamless integration into compact electronic devices due to the small physical footprint.
• Improved overall safety and reliability of battery-powered products.

Additional Details

The S-8250BAK-I6T1U is precisely calibrated with specific voltage detection thresholds tailored to lithium-ion battery protection requirements. The overcharge detection voltage is carefully set to maintain the battery within its safe operating zone. The inclusion of hysteresis in the overcharge detection circuit minimizes the likelihood of false triggering caused by voltage fluctuations. This device typically operates efficiently within a temperature range of -40°C to +85°C. It is commonly available in small package formats, such as SOT-23-6, allowing for efficient PCB layout and miniaturization of electronic devices. The inclusion of an internal delay circuit further enhances stability by preventing spurious tripping due to transient events.