The XC6366B105MR is a voltage detector manufactured by Torex Semiconductor Ltd. It is designed to monitor voltage levels in electronic circuits and provide a reset signal when the voltage falls below a specified threshold. This functionality is crucial for ensuring the stable and reliable operation of microcontrollers and other digital devices.

Applications

• Microcontroller Reset Circuits: Used to provide a reliable reset signal to microcontrollers during power-up or brown-out conditions.
• CPU Reset Circuits: Ensures proper reset for CPUs in embedded systems.
• Power Monitoring: Monitors the power supply voltage and signals when the voltage is out of the acceptable range.
• Battery-Powered Devices: Provides undervoltage lockout (UVLO) to protect batteries from deep discharge.
• Industrial Control Systems: Monitors power supply voltages to protect sensitive equipment from voltage fluctuations.

Features

• Low Power Consumption: Minimizes power drain in battery-operated devices.
• High Accuracy: Provides precise voltage detection with a typical accuracy of ±2%.
• Small Package: Available in compact packages like SOT-23 or similar, ideal for space-constrained applications.
• Adjustable Reset Time: Some versions allow adjusting the reset delay time with an external capacitor.
• Built-In Hysteresis: Prevents oscillation during voltage transitions.

Benefits

• Ensures System Stability: Prevents erratic operation of microcontrollers and CPUs due to low voltage conditions.
• Protects Data: Prevents data corruption by resetting the system before the voltage drops too low.
• Extends Battery Life: Low power consumption makes it suitable for battery-powered applications.
• Simplifies Design: Reduces the need for external components, simplifying the design of reset circuits.
• Increases Reliability: Provides a reliable reset signal under various operating conditions.

Technical Specifications

The XC6366B105MR typically has a detection voltage of 1.05V. The supply voltage range is usually between 1.5V and 5.5V. It consumes a very low quiescent current, often less than 1μA. The reset output is typically an open-drain or CMOS output. The operating temperature range is usually between -40°C and +85°C. The reset delay time is determined by internal circuitry, or can be adjusted with an external capacitor in some versions. The built-in hysteresis helps to prevent false resets due to noise on the power supply line.