The S-8252AAV-M6T1U is a lithium-ion battery protection IC manufactured by SII Semiconductor Corporation. It's designed to protect 2-series lithium-ion battery packs from overcharge, overdischarge, and overcurrent conditions, ensuring safe and reliable operation of battery-powered devices.

Applications

• Lithium-ion battery packs
• Power tools
• Cordless vacuum cleaners
• E-bikes
• Portable power stations
• Backup power supplies

Features

• Overcharge Protection: Prevents damage to the battery due to excessive charging voltage.
• Overdischarge Protection: Prevents damage to the battery due to excessive discharging.
• Overcurrent Protection: Protects the battery from excessive current draw.
• Short Circuit Protection: Quickly shuts down the battery output in the event of a short circuit.
• High Accuracy Voltage Detection: Provides accurate protection thresholds.
• Low Current Consumption: Minimizes power drain from the battery.

Benefits

• Enhanced Battery Safety: Protects the battery from damage, extending its lifespan.
• Increased Device Reliability: Ensures stable and reliable operation of battery-powered devices.
• Reduced Risk of Fire or Explosion: Prevents battery-related hazards.
• Extended Battery Life: Prevents overcharging and overdischarging, prolonging battery life.
• Simplified System Design: Integrates multiple protection functions into a single chip.

Technical Specifications

The S-8252AAV-M6T1U features an overcharge detection voltage typically around 4.2V to 4.3V per cell, with high accuracy. The overdischarge detection voltage is usually around 2.4V to 3.0V per cell. The overcurrent detection thresholds are configurable via external resistors, allowing flexibility in system design. The IC operates with a very low current consumption, typically in the microampere range during normal operation and even lower during standby. It is available in a small SOT-23-6 package, making it suitable for compact battery pack designs. It is designed to operate within a specific temperature range, typically from -40°C to +85°C. These protection ICs are vital in ensuring the longevity and safety of Lithium-ion batteries in a wide range of applications.