The S-80931NMC-G81-T2 is a voltage detector IC from SII Semiconductor Corporation. It's designed to monitor the input voltage and provide a reset signal when the voltage falls below a specified threshold. This functionality is crucial for ensuring the stability and reliability of electronic systems, preventing malfunctions caused by undervoltage conditions.

Applications

• Microcontroller reset circuits
• Power management systems
• Battery-powered devices
• Industrial control equipment
• Consumer electronics

Features

• Detection voltage: 3.1V
• High-accuracy detection voltage
• Ultra-low current consumption
• CMOS output
• Small package size (SOT-23-5)
• Operating temperature range: -40°C to +85°C
• Built-in hysteresis

Benefits

• Improved system reliability by preventing errors due to voltage drops
• Extended battery life in portable devices thanks to low power consumption
• Compact size suitable for space-constrained applications
• Stable operation over a wide temperature range
• Reduced noise sensitivity due to hysteresis
• Direct compatibility with CMOS logic circuits

Additional Details

The S-80931NMC-G81-T2 features a CMOS output, providing a clean and well-defined logic signal for interfacing with digital circuits. The built-in hysteresis helps to prevent false triggering of the reset signal caused by noise or minor voltage fluctuations near the threshold level. This voltage detector is commonly used to monitor the power supply voltage of microcontrollers, processors, and other critical components in electronic systems. When the voltage falls below the detection threshold, the device asserts a reset signal, ensuring that the system is properly initialized or shut down to prevent data corruption or unpredictable behavior. The low current consumption of the S-80931NMC-G81-T2 makes it particularly suitable for battery-powered applications where minimizing power drain is essential. The small SOT-23-5 package allows for easy integration into densely populated circuit boards. The high-accuracy detection voltage ensures precise and reliable voltage monitoring.