The S-80931ALMP-DAV-T2 is a voltage detector IC manufactured by SII Semiconductor Corporation. It's designed to monitor a voltage level and trigger a reset signal when the voltage drops below a predefined threshold. This function is critical for protecting sensitive electronic components and ensuring reliable system operation.

Applications

• Microcontroller reset circuits
• CPU voltage monitoring
• Power management systems
• Battery-powered devices
• Industrial control equipment

Features

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

Benefits

• Improved system stability by preventing malfunctions due to undervoltage conditions
• Extended battery life in portable applications due to minimal power draw
• Compact footprint allows for use in space-constrained designs
• Reliable operation across a wide range of temperatures
• Reduced susceptibility to noise and voltage fluctuations due to hysteresis
• Flexible interfacing with various logic circuits thanks to open-drain output

Additional Details

The S-80931ALMP-DAV-T2 utilizes an open-drain output configuration, which provides flexibility in connecting to different types of logic circuits. The built-in hysteresis helps to prevent spurious reset signals caused by noise or minor voltage fluctuations near the threshold. This voltage detector is typically used to monitor the power supply voltage of microcontrollers, processors, and other critical components within an electronic system. When the voltage drops 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 ultra-low current consumption makes it well-suited for battery-powered applications where minimizing power drain is crucial. The compact SOT-23-5 package facilitates integration into densely populated circuit boards. The high-accuracy detection voltage ensures precise and dependable voltage monitoring.