The XC61CC1902PRN is a voltage detector IC manufactured by Torex Semiconductor. It is designed to monitor the input voltage and generate a reset signal when the voltage drops below a specified threshold. This function is critical for preventing malfunctions and ensuring the stable operation of microcontrollers, memory devices, and other sensitive electronic components.

Applications

• Microcontroller Reset Circuits: Provides a reliable reset signal to microcontrollers during power-up or brown-out conditions.
• Power Supply Monitoring: Monitors voltage levels in power supplies and triggers an alarm or shutdown if the voltage falls outside acceptable limits.
• Battery-Powered Devices: Protects battery-powered devices from deep discharge by detecting low battery voltage and initiating shutdown procedures.
• Embedded Systems: Ensures stable operation of embedded systems by monitoring the supply voltage and resetting the system in case of undervoltage conditions.
• Industrial Control Systems: Provides voltage supervision in industrial environments to prevent equipment malfunctions due to voltage fluctuations.

Features

• High Accuracy Voltage Detection: Precisely monitors the input voltage to ensure reliable reset functionality.
• Low Current Consumption: Minimizes power drain, extending battery life in portable applications.
• Small Package Size: Allows for easy integration into space-constrained applications.
• Open Drain Output: Provides flexible interfacing with various logic circuits and microcontrollers.
• Hysteresis: Prevents oscillations and ensures stable operation, even in noisy environments.

Benefits

• Improved System Reliability: Prevents system crashes and data corruption caused by voltage drops.
• Extended Battery Life: Low power consumption contributes to longer operating times in battery-powered devices.
• Simplified Circuit Design: Reduces the number of external components required for voltage monitoring.
• Enhanced System Protection: Protects sensitive components from damage caused by undervoltage conditions.
• Stable Operation: Hysteresis prevents false resets caused by noise or minor voltage fluctuations.

The XC61CC1902PRN features a detection voltage of 1.9V. The open drain output requires an external pull-up resistor for proper operation. Its low quiescent current makes it suitable for battery-powered applications where minimizing power consumption is crucial. It is typically available in a small SOT-25 package or similar.

This voltage detector offers a reliable and cost-effective solution for voltage monitoring in a wide range of electronic applications, contributing to the overall stability and longevity of the system.