The R3112N271A is a voltage detector IC manufactured by Ricoh Electronic Devices Co., Ltd. This component is designed to monitor voltage levels and provide a reset signal to microcontrollers or other digital circuits when the voltage drops below a specific threshold. This functionality is crucial for ensuring stable operation and preventing malfunctions in various electronic applications.

Applications

• Microcontroller Reset Circuits: Provides a reliable reset signal to microcontrollers during power-up, power-down, or brown-out conditions.
• Power Supply Monitoring: Monitors the output voltage of power supplies to detect undervoltage conditions.
• Battery-Powered Devices: Protects battery-operated devices from deep discharge by detecting low battery voltage.
• Industrial Control Systems: Ensures stable operation of industrial equipment by monitoring voltage levels.
• Consumer Electronics: Safeguards electronic devices from voltage fluctuations and power supply issues.

Features

• High-Accuracy Voltage Detection: Precisely monitors voltage levels with high accuracy.
• Built-in Delay Circuit: Incorporates a delay circuit to prevent false resets caused by transient voltage dips.
• Low Current Consumption: Minimizes power consumption, making it suitable for battery-powered applications.
• Small Package: Available in compact packages for space-constrained applications.
• Wide Operating Voltage Range: Operates over a broad range of input voltages.

Benefits

• Improved System Stability: Prevents system crashes and malfunctions caused by voltage drops.
• Reliable Reset Function: Ensures a proper reset of the microcontroller during power-up or brown-out conditions.
• Extended Battery Life: Reduces power consumption in battery-powered devices, extending their operating time.
• Simplified Circuit Design: The integrated delay circuit reduces the need for external components.
• Enhanced System Reliability: Protects the system from damage due to undervoltage conditions.

The R3112N271A voltage detector has a detection voltage of 2.7V. The built-in delay circuit helps prevent spurious resets by ensuring the voltage remains stable for a set period before the reset signal is deactivated. The low supply current consumption is an important characteristic for use in battery-powered devices where minimizing power usage is paramount. The compact package allows for flexible integration into various circuit designs.

By providing a reliable and precise voltage detection and reset function, the R3112N271A contributes to the overall stability and reliability of electronic systems. This is essential in applications where maintaining a stable voltage supply is crucial for reliable performance and preventing data corruption.