The XC61GN4502HP is a voltage detector manufactured by Torex Semiconductor Ltd. It is a highly accurate and low-power consumption voltage detector IC designed for a wide range of applications. This voltage detector monitors the input voltage and generates a reset signal when the voltage drops below a pre-set threshold. This feature is crucial for protecting sensitive electronic circuits from damage due to voltage fluctuations.

Applications

• Microcontroller reset circuits: Ensuring proper microcontroller operation after power-up or during voltage drops.
• Power supply monitoring: Detecting undervoltage conditions in power supplies.
• Battery-powered devices: Monitoring battery voltage to prevent deep discharge.
• System reset circuitry: Providing a reliable reset signal for embedded systems.
• Voltage monitoring in industrial equipment: Protecting sensitive components from voltage fluctuations.

Features

• High Accuracy: Precise voltage detection for reliable system protection.
• Low Power Consumption: Minimizes battery drain in portable devices.
• Small Package: Compact size for space-constrained applications.
• Wide Operating Voltage Range: Suitable for various voltage levels.
• Built-in Hysteresis: Prevents oscillation near the threshold voltage.
• Open Drain Output: Flexible interface with various logic circuits.

Benefits

• Protects Microcontrollers: Prevents erroneous operation due to low voltage.
• Extends Battery Life: Low power consumption reduces battery drain.
• Improves System Reliability: Ensures proper system reset during voltage drops.
• Simplifies Circuit Design: Integrated functionality reduces external components.
• Enhances System Stability: Hysteresis prevents unwanted reset signals.

Additional Details

The XC61GN4502HP operates over a wide temperature range, typically from -40°C to +85°C, making it suitable for various environmental conditions. The specific voltage detection threshold is determined by the part number suffix (4502 indicates a 4.50V threshold). The open-drain output requires an external pull-up resistor. The product is available in a small SOT-25 package, which is beneficial for applications where board space is limited. The device's low supply current makes it ideal for battery-powered applications, contributing to extended battery life. The high accuracy of the voltage detection threshold ensures that the microcontroller is reset only when necessary, preventing unnecessary interruptions to system operation. Its robust design and high reliability make it a dependable solution for voltage monitoring and system protection.