The XC61GN3102HR is a voltage detector manufactured by Torex Semiconductor Ltd. This device monitors the supply voltage and generates a reset signal when the voltage drops below a specific threshold. This particular model has a detection voltage of 3.1V.

Applications

• Microcontroller reset circuitry
• Power supply monitoring
• Battery-powered systems
• Embedded systems
• Industrial automation equipment

Features

• High-accuracy voltage detection
• Low power consumption
• Small SOT-25 package
• Integrated hysteresis
• Open drain output

Benefits

• Ensures proper system initialization and prevents data corruption
• Prolongs battery life in portable applications
• Reduces board space requirements
• Prevents false resets due to noisy power supplies
• Offers design flexibility with open drain output

Detailed Specs

The XC61GN3102HR offers accurate voltage detection, typically within ±1% of the 3.1V threshold. It is designed for low current consumption, making it suitable for battery-powered devices. The small SOT-25 package allows for compact board layouts. The built-in hysteresis prevents oscillations and ensures a clean reset signal. The open drain output provides flexibility in connecting to various microcontrollers and digital circuits. The device's operating temperature typically ranges from -40°C to +85°C. The core functionality involves continuous monitoring of the input voltage. When the voltage falls below the 3.1V threshold, the open drain output is pulled low, signaling a reset condition. Once the voltage rises above the threshold plus the hysteresis voltage, the output is released (pulled high by an external resistor).

This voltage detector is a critical component in ensuring reliable system operation by providing a dependable voltage monitoring and reset function, protecting against undervoltage conditions that could lead to system instability.