The XC61AN1902MR is a voltage detector IC manufactured by Torex Semiconductor Ltd. It provides precise voltage monitoring with ultra-low power consumption, making it suitable for battery-powered devices and other applications where efficiency is critical.

Applications

• Microcontroller reset circuitry
• Power monitoring for battery-powered systems
• Voltage supervision in portable devices
• Memory backup circuits
• Overvoltage and undervoltage protection

Features

• High-accuracy voltage detection: Ensures precise monitoring of the input voltage.
• Ultra-low current consumption: Minimizes power drain, extending battery life.
• Small package: Available in compact packages for space-saving designs.
• Wide operating temperature range: Operates reliably in various environmental conditions.
• Built-in hysteresis: Prevents oscillations and ensures stable operation during voltage fluctuations.
• N-channel open drain output: Enables flexible interfacing with different circuits.

Benefits

• Improved system stability: Accurate voltage detection ensures reliable operation.
• Extended battery life: Low power consumption prolongs the runtime of battery-operated devices.
• Reduced PCB size: Small package allows for efficient use of board space.
• Robust performance: Wide operating temperature range ensures reliable operation in diverse environments.
• Simplified circuit design: Built-in hysteresis reduces the need for external components.

Additional Details

The XC61AN1902MR voltage detector has a detection voltage of 1.9V. It's commonly available in a SOT-23 or similar small package, ideal for densely populated boards. The open drain output simplifies integration with microcontrollers and other logic circuits. This IC is frequently used to generate a reset signal for a microcontroller when the supply voltage falls below the threshold, protecting against data corruption and ensuring proper system initialization. The low power consumption characteristic makes it particularly well-suited for portable electronics where maximizing battery life is a key design constraint. These voltage detectors are essential components for ensuring the reliable operation of a wide range of electronic devices, from consumer products to industrial equipment. It is RoHS compliant.