The R3112N211C-TR-FA is a voltage detector manufactured by Ricoh Electronic Devices Co., Ltd. It is a high-accuracy voltage detector with a built-in delay circuit. This device is designed to monitor voltage levels and provide a reset signal when the voltage drops below a certain threshold, ensuring the stable operation of microcontrollers and other digital circuits.

Applications

• Microcontroller reset circuits: Ensuring a proper reset for microcontrollers during power-up or brown-out conditions.
• Power supply monitoring: Monitoring the voltage stability of power supplies in various electronic devices.
• Battery-powered devices: Protecting battery-operated devices from undervoltage conditions to extend battery life.
• Industrial control systems: Maintaining the integrity of control systems by detecting voltage drops.
• Consumer electronics: Safeguarding electronic products from voltage fluctuations.

Features

• High-accuracy detection voltage: Precisely monitors voltage levels.
• Built-in delay circuit: Provides a delayed reset signal to ensure stable operation after voltage recovery.
• Low supply current: Minimizes power consumption, making it suitable for battery-powered applications.
• Small package: Available in compact packages for space-constrained applications.
• Wide operating voltage range: Suitable for a variety of power supply voltages.

Benefits

• Improved system stability: Prevents malfunctions caused by voltage drops.
• Reliable reset function: Ensures a proper system reset during power-up or brown-out.
• Extended battery life: Reduces power consumption in battery-powered devices.
• Simplified circuit design: The integrated delay circuit reduces the need for external components.
• Enhanced system reliability: Protects the system from voltage fluctuations and power supply issues.

The R3112N211C-TR-FA features a detection voltage of 2.1V. The built-in delay circuit provides a specific delay time, which is crucial for ensuring the microcontroller or other digital circuits have sufficient time to initialize after the voltage recovers to a safe level. This device is available in a small package, making it ideal for use in compact electronic devices. Its low supply current consumption ensures minimal impact on the overall power budget of the system.

This voltage detector is crucial in applications where maintaining a stable voltage level is critical for proper operation. By monitoring the voltage and providing a reliable reset signal, the R3112N211C-TR-FA helps to prevent system failures and ensures the consistent performance of electronic devices.