The XC61FN2012MR is a voltage detector IC manufactured by Torex Semiconductor Ltd. It is specifically designed to monitor the voltage level in electronic circuits and to generate a reset signal when the voltage drops below a pre-defined threshold. This particular model features a detection voltage of 2.0V, making it suitable for a wide range of applications operating at or close to that voltage. Its compact SOT-25 package allows for easy integration into space-constrained designs.

Applications

• Microcontroller and microprocessor reset circuits
• Voltage monitoring in power supplies
• Battery-powered equipment
• Portable consumer electronics
• System monitoring in embedded systems

Features

• Accurate detection voltage: 2.0V
• Ultra-low power consumption
• Hysteresis is included to prevent chattering
• Small SOT-25 package for space-saving design
• Open drain output configuration
• Wide operating temperature range: -40°C to +85°C

Benefits

• Ensures reliable system startup by preventing operation under low voltage conditions.
• Extends battery life due to its extremely low current draw.
• Simplifies circuit design with integrated hysteresis.
• Allows for compact designs due to the small package size.
• Provides flexibility in interfacing with various logic levels using the open drain output.
• Suitable for use in a broad range of operating environments.

Additional Details

The XC61FN2012MR utilizes an accurate internal voltage reference and comparator to detect when the input voltage falls below the set threshold. The inclusion of hysteresis eliminates oscillations near the threshold, ensuring a clean and stable reset signal. The open drain output requires a pull-up resistor. This device is well-suited for applications where reliable voltage monitoring and reset functionality are critical.