The S-8261ABAMD-G3AT2S is a high-precision voltage detector IC manufactured by SII Semiconductor Corporation. It is designed to accurately monitor voltage levels and provide a reset signal when the voltage drops below a specific threshold. This IC is characterized by its low current consumption and high accuracy, making it suitable for a variety of battery-powered and voltage-sensitive applications.

Applications

• Microcontroller Reset Circuits: Resets a microcontroller when the supply voltage falls below a safe operating level.
• Battery Monitoring Systems: Monitors battery voltage to prevent over-discharge and prolong battery life.
• Power Management Circuits: Provides undervoltage lockout (UVLO) functionality in power supplies.
• Portable Electronic Devices: Used in devices like smartphones, tablets, and wearables to ensure stable operation.
• Industrial Control Systems: Monitors power supply voltage in industrial equipment to prevent damage from voltage fluctuations.

Features

• High-Precision Detection Voltage: Provides accurate voltage detection with minimal tolerance.
• Ultra-Low Current Consumption: Minimizes power drain, extending battery life.
• Small Package Size: Available in compact packages for space-constrained applications.
• Hysteresis: Prevents chattering during voltage fluctuations by incorporating hysteresis.
• Open-Drain Output: Offers a flexible output configuration that can be easily interfaced with other circuits.

Benefits

• Improved System Reliability: Prevents system malfunctions due to undervoltage conditions.
• Extended Battery Life: Reduces power consumption, allowing for longer operation of battery-powered devices.
• Simplified Circuit Design: Integrates all the necessary components for voltage detection into a single IC.
• Enhanced System Protection: Protects sensitive components from damage caused by voltage fluctuations.
• Reduced Board Space: The small package size contributes to compact designs.

Additional Details

The S-8261ABAMD-G3AT2S operates within a specific voltage and temperature range. The precise detection voltage is specified in the datasheet and is indicated by the part number suffix. The open-drain output requires a pull-up resistor for proper operation. Refer to the official datasheet from SII Semiconductor Corporation for detailed electrical characteristics, application notes, and timing diagrams.