The Torex Semiconductor XC161A1355PR is a high-accuracy voltage detector IC designed for precise voltage monitoring in a variety of electronic devices. This detector features a low supply current and a small package, making it suitable for portable and space-constrained applications. Its high accuracy ensures reliable detection of undervoltage conditions, preventing system malfunctions and data corruption.

Applications

• Microcontroller Reset Circuits: Used to generate reset signals for microcontrollers, ensuring proper initialization and operation.
• Battery Monitoring: Implemented in battery-powered devices to monitor battery voltage levels and provide low-battery warnings.
• Power Supply Supervision: Employed in power supplies to monitor output voltages and detect undervoltage conditions that could damage connected devices.
• Memory Protection: Utilized to protect memory contents during power failures by triggering backup power or shutdown sequences.
• System Monitoring: Applied in various electronic systems to monitor critical voltage rails and trigger appropriate actions in response to voltage drops.

Features

• High Accuracy: Provides highly accurate detection of undervoltage conditions.
• Low Supply Current: Features low supply current consumption, minimizing power drain in portable devices.
• Small Package Size: Available in a compact package, making it ideal for space-limited applications.
• Adjustable Detection Voltage: Detection voltage is preset but can be customized in some versions.
• Open Drain Output: Offers an open drain output, allowing for flexible integration into various circuits.

Benefits

• Improved System Reliability: Enhances overall system reliability by preventing operation under unstable voltage conditions.
• Extended Battery Life: Maximizes battery life in portable devices due to low power consumption.
• Simplified Circuit Design: Simplifies circuit design with its compact size and easy integration.
• Enhanced Data Protection: Protects valuable data by ensuring proper shutdown during power failures.
• Cost-Effective Solution: Offers a cost-effective and reliable solution for voltage monitoring in electronic systems.

Additional Details

The XC161A1355PR comes in a small SOT-25 or similar package. It typically requires an external pull-up resistor for the open-drain output. It operates over a specified temperature range suitable for most industrial and commercial applications. The device includes internal hysteresis to prevent chattering around the threshold voltage. It is RoHS compliant, ensuring adherence to environmental regulations.