The XC61CN2202NR is a voltage detector manufactured by Torex Semiconductor Ltd. It is a precision voltage monitoring IC designed to trigger a reset signal when the input voltage drops below a specified threshold. This functionality is crucial for ensuring the stable and reliable operation of microcontroller-based systems and preventing data corruption due to undervoltage conditions.

Applications

• Microcontroller Reset Circuits: Provides a reliable reset signal to the microcontroller during power-up or brown-out conditions.
• Power Supply Monitoring: Continuously monitors the supply voltage and generates an alert or shutdown signal when the voltage falls below a safe level.
• Battery Management Systems: Protects batteries from deep discharge by disabling the load when the battery voltage is too low, extending battery life.
• Embedded Systems: Used in embedded systems to ensure stable operation in the event of voltage fluctuations or power interruptions.
• Industrial Control Systems: Monitors the power supply voltage in industrial automation equipment to prevent system failures due to voltage drops.

Features

• Low Power Consumption: Minimizes current draw, making it suitable for battery-powered applications.
• High Accuracy Voltage Detection: Provides precise voltage monitoring for reliable and predictable system behavior.
• Small Package Size: Available in compact surface-mount packages to save valuable board space.
• Wide Operating Voltage Range: Can operate over a broad range of supply voltages, providing versatility in different applications.
• Built-in Hysteresis: Prevents oscillations and false triggering around the threshold voltage.
• Open Drain Output: Offers flexibility in interfacing with various 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 XC61CN2202NR features a detection voltage of 2.2V. It typically comes in a small SOT-25 or similar surface-mount package. The operating temperature range is commonly -40°C to +85°C. The quiescent current is usually very low, in the microampere range. The output is an N-channel open drain. Always consult the datasheet for complete electrical specifications, timing diagrams, and application notes.