The XC61CN1902NR is a voltage detector manufactured by Torex Semiconductor Ltd. It is designed to monitor voltage levels and generate a reset signal when the voltage falls below a specific threshold. These detectors are commonly used in microcontroller (MCU) based systems to ensure proper operation and prevent data corruption or system malfunction due to voltage drops.

Applications

• Microcontroller Reset Circuits: Provides a reliable reset signal to the microcontroller during power-up or voltage drops, ensuring proper initialization.
• Power Supply Monitoring: Monitors the voltage level of a power supply and triggers an alert or shutdown if the voltage falls below a safe level.
• Battery-Powered Devices: Protects battery-powered devices from deep discharge by disabling the load when the battery voltage is too low.
• Embedded Systems: Used in embedded systems to monitor the power supply voltage and ensure reliable operation.
• Industrial Control Systems: Monitors the power supply voltage in industrial control systems to prevent system failures due to voltage drops.

Features

• Low Power Consumption: Minimizes power consumption to extend battery life in portable devices.
• High Accuracy: Provides precise voltage detection to prevent false triggers and ensure reliable operation.
• Small Package: Available in compact packages to save board space.
• Wide Operating Voltage Range: Operates over a wide voltage range, making it suitable for various applications.
• Built-in Hysteresis: Prevents oscillations and chattering around the threshold voltage.
• Open Drain Output: Offers flexibility in connecting to various logic circuits.

Benefits

• Prevents Microcontroller Malfunction: Ensures proper initialization and operation of microcontrollers by providing a reliable reset signal.
• Protects Against Undervoltage Conditions: Prevents damage to electronic components 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.
• Enhances System Reliability: Provides a robust and reliable voltage monitoring solution.

Additional Details

The XC61CN1902NR has a detection voltage of 1.9V. It is commonly available in SOT-25 or similar surface-mount packages. The operating temperature range is typically -40°C to +85°C. The quiescent current is usually in the microampere range. The output is an N-channel open drain output. Always refer to the datasheet for comprehensive technical specifications, timing diagrams, and application guidelines.