The S-8241ADJMC-GDJT2G is a single-cell lithium-ion battery protection IC manufactured by SII Semiconductor Corporation. It is designed to protect lithium-ion battery packs from overcharge, overdischarge, and overcurrent situations, ensuring safe and prolonged battery life in portable devices.

Applications

• Hearing Aids (Advanced): Precise battery protection for sensitive hearing aid electronics.
• Smart Pens: Safeguarding the battery in digital writing devices.
• Miniature Drones: Battery management in small, remotely controlled aircraft.
• Portable Medical Alert Systems: Reliable battery protection in emergency devices.
• Credit Card Readers (Mobile): Ensuring battery safety in portable payment terminals.

Features

• Overcharge Detection: Accurately detects and prevents overcharging of the battery.
• Overdischarge Detection: Prevents excessive discharge, which can damage the battery.
• Discharge Overcurrent Detection: Protects against excessive current draw during battery discharge.
• Charge Overcurrent Detection: Protects the battery from excessive current during charging.
• Short-Circuit Protection: Immediately cuts off the battery in the event of a short circuit.
• Low Quiescent Current: Minimizes battery drain during standby, extending battery life.

Benefits

• Enhanced Battery Safety: Reduces the risk of fire, explosion, and other battery-related hazards.
• Prolonged Battery Life: Prevents damage from overcharging and overdischarging, extending battery lifespan.
• Increased Device Reliability: Ensures stable and dependable device operation by protecting the battery.
• Compact Footprint: Designed for use in space-constrained portable devices.
• Simplified Circuit Design: Reduces complexity and cost of battery protection circuitry.

Additional Details

The S-8241 series is characterized by its high-precision voltage and current detection capabilities. The specific voltage and current thresholds for overcharge, overdischarge, and overcurrent are determined by the part number, S-8241ADJMC-GDJT2G. These ICs often incorporate internal delay circuits to prevent false triggering caused by noise or transient events. They are typically supplied in small surface-mount packages for ease of integration. The datasheet from SII Semiconductor provides detailed information on the electrical characteristics, timing diagrams, and example application circuits.