The XC61CN1902MRN is a voltage detector IC manufactured by Torex Semiconductor Ltd. This device is designed to monitor the supply voltage and generate a reset signal when the voltage drops below a specified threshold. It is commonly used in microcontroller-based systems to prevent malfunction caused by voltage drops, ensuring stable and reliable operation.

Applications

• Microcontroller Reset Circuits: Provides a reliable reset signal to microcontrollers during power-up or voltage drops.
• Power Supply Monitoring: Continuously monitors the input voltage and provides 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.
• Industrial Control Systems: Ensures the stable operation of control systems by monitoring and responding to voltage fluctuations.
• Automotive Electronics: Used in automotive applications to protect electronic components from voltage drops and spikes.

Features

• Low Power Consumption: Minimizes power consumption to extend battery life in portable devices.
• High-Accuracy Voltage Detection: Provides precise voltage detection to prevent false triggers and ensure reliable operation.
• Small Package Size: 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 interfacing with 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 XC61CN1902MRN features a detection voltage of 1.9V. It typically comes in a small SOT-25 or similar surface-mount package. The operating temperature range is typically -40°C to +85°C. The quiescent current is generally very low, in the microampere range. The output is an N-channel open drain configuration. It is essential to refer to the datasheet for complete specifications, timing diagrams, and application notes.