The S-8261ACJMD-G4J-S is a high-precision voltage detector IC manufactured by SII Semiconductor Corporation. It is designed to monitor voltage levels with high accuracy and provide a reset signal when the voltage falls below a specified threshold. This IC is characterized by its ultra-low current consumption and compact package, making it suitable for a variety of battery-powered and space-constrained applications.

Applications

• Microcontroller Reset Circuits: Used to ensure proper microcontroller operation by providing a reset signal during voltage sags or power-up sequences.
• Battery Monitoring Systems: Implemented in battery-powered devices to monitor battery voltage and prevent deep discharge, extending battery life.
• Power Management Circuits: Integrated into power supplies and voltage regulators to provide undervoltage lockout (UVLO) protection.
• Portable Electronic Devices: Utilized in smartphones, tablets, and wearables to ensure stable operation and prevent data corruption.
• Industrial Control Systems: Employed in industrial equipment to monitor power supply voltage and trigger alarms or shutdown procedures in case of undervoltage conditions.

Features

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

Benefits

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

Additional Details

The S-8261ACJMD-G4J-S typically operates within a specified voltage range and temperature range. The specific detection voltage is factory-set and denoted by the part number suffix. The output is an open-drain configuration, requiring a pull-up resistor for proper operation. It is crucial to consult the datasheet for precise electrical characteristics, timing diagrams, and application guidelines.