The R5460N222AA-TR-FE is a high-accuracy voltage detector IC manufactured by Ricoh Electronic Devices Co., Ltd. This IC is designed to monitor voltage levels in electronic circuits and generate a reset signal when the voltage falls below a predefined threshold. It's particularly useful in applications where stable power supply is critical for reliable operation, such as in microcontrollers, memory devices, and other sensitive electronic components.

Applications:

• Microcontroller reset: Ensures proper initialization of microcontrollers after a power-on or brown-out event.
• Battery voltage monitoring: Monitors battery voltage levels in portable devices to prevent deep discharge and data loss.
• Power management systems: Provides voltage detection for power good signals in power management circuits.
• Memory protection: Protects data stored in volatile memory during power failures by triggering a data backup or shutdown sequence.
• Real-time clock (RTC) backup: Ensures that the RTC continues to operate during a power outage by switching to a backup battery.

Features:

• High-accuracy voltage detection: Provides precise voltage monitoring with a low tolerance.
• Ultra-low current consumption: Minimizes power consumption, making it suitable for battery-powered applications.
• Built-in hysteresis: Prevents oscillation and ensures stable reset signal generation.
• Small package size: Available in a compact package for space-constrained applications.
• Open-drain output: Offers flexible interfacing with various logic circuits.

Benefits:

• Improved system reliability: Prevents malfunctions and data corruption due to voltage drops.
• Extended battery life: Low power consumption minimizes drain on battery-powered devices.
• Simplified circuit design: Integrated features reduce the need for external components.
• Enhanced system stability: Hysteresis prevents false triggering and ensures a clean reset signal.
• Cost-effective solution: Provides essential voltage monitoring functionality at a competitive price.

Technical Specifications:

The R5460N222AA-TR-FE features a detection voltage of 2.2V (typical). It has an ultra-low supply current consumption, typically in the range of a few microamperes. The hysteresis voltage is typically around 0.1V. The operating temperature range is -40°C to +85°C. The output is an N-channel open-drain type. The package is a SOT-23-5. The detection voltage accuracy is typically ±1.5%.