The R3111N192A-TR-FE is a voltage detector IC manufactured by Ricoh. It is designed for use in a variety of electronic applications where precise voltage monitoring and reset functionality are crucial for system stability and data integrity. This IC is part of Ricoh's extensive line of power management solutions, known for their reliability and efficiency.

Applications

• Microcontroller Reset Circuits: Ensuring a proper reset sequence for microcontrollers during power-up or brown-out conditions.
• Memory Protection: Preventing data corruption in memory devices by triggering a reset when voltage drops below a safe threshold.
• Power Monitoring in Portable Devices: Monitoring battery voltage in smartphones, tablets, and other portable electronics.
• Industrial Control Systems: Providing voltage supervision in industrial automation equipment to prevent malfunction due to voltage fluctuations.
• Automotive Electronics: Safeguarding critical electronic components in automotive systems from voltage irregularities.

Features

• High-Accuracy Voltage Detection: Precisely monitors the input voltage with a typical accuracy of ±1%.
• Low Supply Current: Consumes minimal power, making it suitable for battery-powered applications.
• Open Drain Output: Offers flexibility in connecting to various microcontroller or system interfaces.
• Compact Package: Available in small surface-mount packages, saving board space.
• Hysteresis: Includes hysteresis to prevent chattering during voltage fluctuations.

Benefits

• Enhanced System Reliability: Provides a reliable reset signal, preventing system crashes and data corruption.
• Extended Battery Life: Low power consumption contributes to longer battery life in portable devices.
• Simplified Circuit Design: Integrated functionality reduces the need for external components, simplifying circuit design.
• Cost-Effective Solution: Offers a cost-effective solution for voltage monitoring and reset functionality.
• Improved System Stability: Ensures stable operation even under voltage fluctuations.

Additional Details

The R3111N192A-TR-FE operates within a specified voltage range and temperature range, making it suitable for a variety of environments. The open-drain output requires a pull-up resistor. Refer to the datasheet for detailed electrical characteristics, timing diagrams, and application examples. The device's small package size enables high-density mounting on printed circuit boards. The R3111 series offers different voltage detection thresholds to meet various application requirements.