The XC3221A252MR is a highly integrated voltage detector IC manufactured by Torex Semiconductor Ltd. It is designed to monitor voltage levels in electronic circuits and provide a reliable reset signal when the voltage drops below a certain threshold. This functionality is critical for ensuring stable operation and preventing data corruption in various electronic devices.

Applications

• Microcontroller and microprocessor-based systems
• Power management circuits
• Battery-powered devices
• Real-time clocks (RTCs)
• Memory protection circuits

Features

• High-accuracy detection voltage: The IC provides a precise detection voltage, ensuring reliable voltage monitoring.
• Low operating voltage: It operates at a low voltage, making it suitable for low-power applications.
• Low current consumption: The IC consumes very little current, extending battery life in portable devices.
• Small package: Available in a small package, saving valuable board space.
• Built-in hysteresis: Hysteresis prevents chattering and provides stable reset signals.
• Wide operating temperature range: It can operate reliably in a wide range of temperatures.

Benefits

• Improved system stability: The voltage detection function ensures stable operation of the system.
• Data protection: Prevents data corruption by resetting the system when the voltage is too low.
• Extended battery life: Low current consumption maximizes battery life in portable devices.
• Reduced board space: The small package allows for compact designs.
• Reliable reset signals: Hysteresis ensures stable and reliable reset signals.
• Versatile application: Suitable for a wide range of applications due to its wide operating temperature range.

Additional Details

The XC3221A252MR features a detection voltage of 2.5V. It offers a built-in hysteresis of approximately 50mV, preventing oscillations around the threshold voltage. The supply current is typically in the range of a few microamperes. The operating temperature range is typically -40°C to +85°C. The IC is commonly available in SOT-25 or similar small outline packages. Detailed specifications can be found in the Torex Semiconductor Ltd. datasheet for this part number.