The XC61CN3902MR is a voltage detector IC manufactured by Torex Semiconductor Ltd. This IC is designed to monitor voltage levels in electronic circuits and provide a reset signal when the voltage drops below a certain threshold. It offers high accuracy and low power consumption, making it suitable for a wide range of applications.

Applications

• Microcontroller reset circuits
• CPU voltage monitoring
• Power management systems
• Battery-powered devices
• Portable electronic equipment

Features

• High-accuracy detection voltage: ±2%
• Low power consumption
• Operating voltage range: 1.6V to 6.0V
• Built-in hysteresis
• Small package: SOT-25
• Open drain output

Benefits

• Ensures reliable system operation by preventing malfunctions due to voltage drops.
• Extends battery life in portable devices due to low current consumption.
• Simplified circuit design with built-in hysteresis, which prevents chattering.
• Small footprint allows for compact PCB designs.
• Provides a clear reset signal to the microcontroller, ensuring proper initialization.

The XC61CN3902MR has a detection voltage of 3.9V. The open drain output allows for flexible connection to various microcontrollers and other digital circuits. It uses a small SOT-25 package, which is ideal for space-constrained applications. The device also features built-in hysteresis, preventing the output signal from oscillating when the input voltage is near the detection threshold. This hysteresis improves the stability and reliability of the voltage detection circuit.