The R3112N271C-TR is a voltage detector IC manufactured by Ricoh Electronic Devices Co., Ltd. This component is designed to monitor the input voltage and provide a reset signal when the voltage falls below a specific threshold. It's an essential component for ensuring the stable operation of microcontrollers and other digital circuits, particularly in environments where voltage fluctuations can occur.

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 to ensure accurate reset triggering.
• 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.
• Tape and Reel Packaging (TR): Supplied in tape and reel packaging for automated assembly processes.

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.
• Automated Assembly: Tape and reel packaging facilitates automated assembly, reducing manufacturing costs.

The R3112N271C-TR features a detection voltage of 2.7V. The internal delay circuit provides a specific delay time after the voltage rises above the threshold, before the reset signal is de-asserted. This delay is crucial for ensuring the microcontroller or other digital circuits have sufficient time to stabilize before operation commences. Low supply current consumption is essential for battery-powered applications where power conservation is a priority. The "TR" suffix indicates that the device is supplied in tape and reel packaging, which is specifically designed for automated assembly processes, improving manufacturing efficiency.

This voltage detector enhances the overall reliability of electronic systems by providing a precise and dependable voltage monitoring and reset function, mitigating system errors, and guaranteeing proper operation, even in the face of voltage fluctuations or power supply anomalies.