The S-8204BAD-TCT1S is a lithium-ion battery protection IC manufactured by SII Semiconductor Corporation. This IC is designed to safeguard lithium-ion rechargeable batteries against overcharge, overdischarge, and overcurrent scenarios, thereby enhancing battery safety and prolonging its lifespan. It finds common applications in battery packs for portable devices, power tools, and energy storage solutions.

Applications

• Smartphone battery protection
• Tablet battery packs
• Laptop battery protection circuits
• Power tool battery management systems
• Portable gaming consoles
• Energy storage modules

Features

• Overcharge detection circuit
• Overdischarge detection
• Overcurrent detection mechanisms
• High-precision voltage detection
• Low power consumption
• Small form factor package

Benefits

• Improved Battery Safety: Offers robust protection against overcharging, over-discharging, and excessive current draw, preventing potential damage to the battery.
• Extended Battery Life: Prevents battery degradation caused by improper charging or discharging, thereby extending the battery's useful lifespan.
• Enhanced System Reliability: Contributes to the stable operation of battery-powered devices by mitigating battery-related failures.
• Simplified Design: Streamlines the design of battery protection circuits, reducing the need for external components.
• Compact Design: Allows for the creation of smaller and lighter battery packs suitable for portable devices.

Technical Specifications

The S-8204BAD-TCT1S incorporates precise voltage detection thresholds for overcharge, overdischarge, and overcurrent protection. The device's operating voltage range and temperature range are crucial for reliable performance. Detailed electrical characteristics, timing diagrams, and example application circuits are provided in the datasheet. The IC is typically available in a compact SOT-23-6 package or similar.

The specific overcharge detection voltage, overdischarge detection voltage, and overcurrent detection voltage levels are pre-set during manufacturing and tailored for compatibility with specific lithium-ion battery chemistries. Its low current consumption helps minimize its impact on the overall battery runtime. The small footprint of the IC makes it ideally suited for integration into space-constrained battery packs.