The S-8261ABSMD-G3S-T2 is a high-precision voltage detector IC from SII Semiconductor Corporation. It is designed to monitor voltage levels accurately and provide a reset or warning signal when the voltage falls below a specific threshold. The key characteristics include low current consumption, high accuracy, and a small package size, making it suitable for a wide range of applications, especially in portable and battery-powered devices.

Applications

• Microcontroller Reset Circuits: Ensures proper microcontroller operation by providing a reset signal during power-up or undervoltage conditions.
• Battery Monitoring Systems: Monitors battery voltage levels in portable devices to prevent deep discharge and extend battery life.
• Power Supply Monitoring: Detects undervoltage conditions in power supplies, protecting connected devices from damage.
• Memory Protection: Safeguards memory contents by initiating a backup or shutdown sequence when the voltage drops below a safe level.
• Portable Electronic Devices: Used in smartphones, tablets, wearables, and other portable devices to ensure stable operation.

Features

• High-Precision Voltage Detection: Provides accurate voltage monitoring with minimal tolerance.
• Ultra-Low Current Consumption: Minimizes power drain, maximizing battery life in portable devices.
• Small Package: Enables compact designs in space-constrained applications.
• Hysteresis: Prevents output chattering due to small voltage fluctuations.
• Open-Drain Output: Offers flexible output configuration for interfacing with various logic circuits.

Benefits

• Enhanced System Reliability: Prevents malfunctions and data corruption caused by undervoltage conditions.
• Extended Battery Life: Reduces power consumption, increasing the operating time of battery-powered devices.
• Simplified Circuit Design: Integrates all necessary components for voltage detection into a single IC.
• Improved System Protection: Protects sensitive components from damage due to voltage drops.
• Compact Solution: Small package size allows for integration into tight spaces.

Additional Details

The S-8261ABSMD-G3S-T2 operates within a specific voltage and temperature range. The exact detection voltage is determined by the part number suffix. The open-drain output requires an external pull-up resistor for proper operation. Refer to the official datasheet from SII Semiconductor Corporation for detailed electrical characteristics, application circuits, and timing diagrams.