The XC6401FF49DR is a highly precise and low power consumption voltage detector manufactured by Torex Semiconductor Ltd. It is designed to monitor voltage levels in electronic circuits and trigger a reset signal when the voltage drops below a predefined threshold. This ensures the stable operation of microcontrollers, processors, and other sensitive components by preventing them from operating under insufficient voltage conditions.

Applications

• Microcontroller Reset Circuits: Ensuring reliable startup and operation of microcontrollers.
• Battery Powered Devices: Monitoring battery voltage and preventing deep discharge.
• Power Management Systems: Providing undervoltage lockout (UVLO) functionality.
• Portable Electronics: Safeguarding sensitive components from voltage fluctuations.
• Industrial Control Systems: Monitoring power supply stability in critical applications.

Features

• High Precision Detection Voltage: Accurate voltage monitoring for reliable reset generation.
• Low Power Consumption: Minimizes current draw, extending battery life in portable applications.
• Small Package Size: Compact SOT-25 package for space-constrained designs.
• Wide Operating Voltage Range: Suitable for various voltage systems.
• Built-in Hysteresis: Prevents chattering during voltage transitions.

Benefits

• Improved System Reliability: Prevents malfunctions caused by undervoltage conditions.
• Extended Battery Life: Low power consumption maximizes runtime in battery-powered devices.
• Simplified Circuit Design: Integrated functionality reduces the need for external components.
• Increased System Stability: Accurate voltage monitoring ensures stable operation of critical components.
• Space-Saving Solution: Small package allows for compact designs.

Additional Details

The XC6401FF49DR features a fixed detection voltage of 4.9V. It operates with a supply voltage range typically from 1.8V to 5.5V. The device integrates a hysteresis function, which helps to prevent oscillations or chattering around the detection threshold. It is available in a SOT-25 package. The output type is N-channel open drain, requiring a pull-up resistor for proper operation. The ultra-low power consumption makes it highly suitable for battery-powered and energy-efficient applications. This device is lead-free and RoHS compliant.