The XC61GC5502HR is a voltage detector IC from Torex Semiconductor Ltd. This device is specifically designed to monitor voltage levels and issue a reset signal when the voltage drops below a predefined threshold. In this case, the detection voltage is set at 5.5V. Voltage detectors like the XC61GC5502HR are crucial components in electronic circuits for ensuring stable and reliable operation, preventing malfunctions caused by undervoltage conditions.

Applications

• Microcontroller Reset Circuits: Ensuring a clean and dependable reset of microcontrollers during power-up or brown-out situations.
• CPU Reset Circuits: Monitoring the power supply voltage of CPUs and initiating a reset if the voltage falls below a safe level.
• Power Management Systems: Protecting delicate electronic components from damage resulting from undervoltage.
• Battery-Powered Devices: Monitoring battery voltage to prevent excessive discharge and extend battery life.
• Industrial Control Systems: Ensuring reliable operation of control systems in demanding environments.

Features

• High-Accuracy Detection Voltage: Provides precise voltage monitoring, ensuring reliable operation.
• Low Power Consumption: Minimizes the impact on overall system power efficiency, essential for portable devices.
• Small Package Size: Allows for integration into compact electronic devices with limited space.
• Built-In Hysteresis: Prevents chattering or false resets due to minor voltage fluctuations, ensuring stable operation.
• Open Drain Output: Offers flexibility in circuit design and compatibility with different logic levels.

Benefits

• Improved System Reliability: Prevents malfunctions and data corruption caused by undervoltage conditions.
• Protection of Sensitive Components: Safeguards electronic components from damage caused by an unstable power supply.
• Extended Battery Life: Prevents deep discharge of batteries, maximizing their usable life in portable devices.
• Simplified Circuit Design: Reduces the number of external components required for voltage monitoring and reset functions.
• Cost-Effective Solution: Provides a reliable and affordable method to protect electronic systems from undervoltage situations.

Additional Details

The XC61GC5502HR typically operates within a broad temperature range, often from -40°C to +85°C, making it suitable for use in diverse environments. It is commonly available in small surface-mount packages, such as SOT-25, facilitating easy integration into densely populated PCBs. The output signal is generally an open-drain configuration, requiring an external pull-up resistor. The hysteresis voltage is vital for preventing oscillations around the threshold voltage, ensuring a stable and reliable reset signal. The supply voltage range generally extends above the detection voltage to ensure correct operation.