The XC61GC2802HRN is a voltage detector IC produced by Torex Semiconductor Ltd. It is designed to monitor voltage levels and issue a reset signal when the voltage drops below a predetermined threshold. This specific model features a detection voltage of 2.8V. Voltage detectors such as the XC61GC2802HRN are essential in electronic circuits for ensuring stable and dependable operation by preventing failures resulting from undervoltage conditions.

Applications

• Microcontroller Reset Circuits: Guaranteeing a clean reset of microcontrollers during startup or brownout 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 harm due to 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 challenging environments.

Features

• High-Accuracy Detection Voltage: Provides precise voltage monitoring for reliable operation.
• Low Power Consumption: Minimizes the impact on the overall system power efficiency, which is vital for portable devices.
• Small Package Size: Allows for integration into compact electronic devices with limited space.
• Built-In Hysteresis: Prevents chattering or false resets caused by 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 resulting from 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 necessary for voltage monitoring and reset functions.
• Cost-Effective Solution: Offers a reliable and affordable method to protect electronic systems from undervoltage situations.

Additional Details

The XC61GC2802HRN typically operates within a broad temperature range, often from -40°C to +85°C, making it suitable for deployment in diverse environments. It is generally available in small surface-mount packages, such as SOT-25, facilitating easy integration into densely packed PCBs. The output signal is commonly an open-drain configuration, which requires an external pull-up resistor. The hysteresis voltage is critical in preventing oscillations around the threshold voltage, thereby ensuring a stable and reliable reset signal. The supply voltage range typically extends above the detection voltage to guarantee proper operation.