The XC61CN2002NR is a voltage detector IC manufactured by Torex Semiconductor Ltd. This device is designed to monitor the input voltage and generate a reset signal when the voltage drops below a specified threshold. This functionality is critical in microcontroller-based systems to prevent erratic behavior and data corruption due to undervoltage conditions.

Applications

• Microcontroller Reset Circuits: Provides a reliable reset signal to the microcontroller during power-up or voltage dips, ensuring proper initialization.
• Power Supply Monitoring: Continuously monitors the voltage level of a power supply and generates an alert or shutdown signal if the voltage falls below a safe operating range.
• Battery Management Systems: Protects battery-powered devices from deep discharge by disabling the load when the battery voltage is too low, extending battery life.
• Embedded Systems: Used in a variety of embedded systems to ensure stable and reliable operation even under fluctuating power conditions.
• Industrial Control Systems: Monitors the power supply voltage in industrial control systems to prevent system failures due to voltage drops.

Features

• Low Power Consumption: Designed for minimal current draw, making it suitable for battery-powered applications.
• High Accuracy Voltage Detection: Provides precise voltage detection to prevent false triggers and ensure reliable system behavior.
• Small Package Size: Available in compact surface-mount packages to save board space.
• Wide Operating Voltage Range: Can operate across a broad range of supply voltages, offering flexibility in various applications.
• Built-in Hysteresis: Prevents oscillations and chattering around the threshold voltage.
• Open Drain Output: Offers flexibility in interfacing with different logic circuits.

Benefits

• Prevents Microcontroller Malfunction: Ensures proper initialization and operation of microcontrollers, preventing data corruption and system crashes.
• Protects Against Undervoltage Conditions: Safeguards electronic components from damage caused by voltage drops.
• Extends Battery Life: Low power consumption contributes to longer battery life in portable devices.
• Simplifies Circuit Design: Integrated functionality reduces the need for external components, streamlining circuit design.
• Enhances System Reliability: Provides a robust and reliable voltage monitoring solution, increasing overall system stability.

Additional Details

The XC61CN2002NR has a detection voltage of 2.0V. It is typically available in SOT-25 or similar small surface-mount packages. The operating temperature range is generally -40°C to +85°C. The quiescent current is typically in the microampere range. The output is an N-channel open drain output. It is critical to refer to the device datasheet for complete electrical characteristics, timing diagrams, and application recommendations.