The RN5VL35AA-TR is a voltage detector IC manufactured by Ricoh Electronic Devices Co., LTD. It is designed to monitor the voltage levels in electronic circuits and provide a reset signal when the voltage drops below a specified threshold, ensuring system stability and preventing data corruption. It is characterized by its high accuracy and low current consumption, making it ideal for various applications, especially those powered by batteries.

Applications

• Microcontroller Reset: Provides a reliable reset signal to microcontrollers during power-up or voltage drops, preventing unpredictable behavior.
• CPU Reset: Resets CPUs in electronic devices when the supply voltage falls below a safe level.
• Power Supply Monitoring: Monitors the output voltage of power supplies to ensure stable operation.
• Battery-Powered Equipment: Detects low battery voltage and prevents deep discharge, extending battery life.
• Data Protection: Protects data stored in memory devices by initiating a reset during voltage drops, preventing data loss or corruption.

Features

• High-Accuracy Detection Voltage: Precisely monitors voltage levels with minimal deviation from the specified threshold. The detection voltage is typically 3.5V with a very tight tolerance.
• Ultra-Low Current Consumption: Minimizes power drain, making it suitable for battery-powered applications. Its current consumption is exceptionally low, usually in the microampere range.
• Built-in Hysteresis: Prevents output oscillation near the detection threshold, ensuring a stable and reliable reset signal.
• Open Drain Output: Provides a flexible output that can be easily interfaced with microcontrollers and other logic circuits.
• Compact Package: Available in a small SOT-23 or similar package, saving valuable board space.

Benefits

• Improved System Reliability: Prevents system malfunctions caused by voltage fluctuations or undervoltage conditions.
• Data Integrity Protection: Ensures data integrity by resetting the system during voltage drops, preventing data corruption and loss.
• Extended Battery Life: The ultra-low current consumption contributes to longer battery life in portable and battery-powered devices.
• Simplified Circuit Design: Integrates all the necessary components for voltage detection into a single package, reducing component count and simplifying design.
• Cost-Effective Solution: Offers a reliable voltage detection solution at a competitive price point.

Technical Specifications: The RN5VL35AA-TR has a nominal detection voltage of 3.5V. It operates from a supply voltage range of typically 1.5V to 5.5V. The operating temperature range is usually -40°C to +85°C. The output is an N-channel open drain, requiring an external pull-up resistor. Detailed timing characteristics, such as reset delay time, are available in the datasheet for proper system integration. This part is typically RoHS compliant.