The Ricoh R3112Q201A-TR-FA is a high-precision voltage detector IC designed for a wide array of applications. This IC serves as a crucial component in ensuring system stability by monitoring voltage levels and generating a reset signal when the voltage falls below a specified threshold. Manufactured by Ricoh, this device is known for its reliability and low power consumption.

Applications

• Microcontroller reset circuits in embedded systems
• Power management in battery-powered devices
• Voltage monitoring in automotive electronics
• Industrial control systems requiring stable voltage levels
• Consumer electronics needing reliable power-on reset

Features

• Accurate voltage detection
• Ultra-low current consumption
• Small SOT-23 package for space-saving designs
• Built-in hysteresis for noise immunity
• Open-drain output for flexible system integration

Benefits

• Prevents system malfunctions by providing a reliable reset signal during voltage drops
• Extends battery life in portable devices due to its low power consumption
• Allows for compact and efficient designs
• Reduces false resets caused by voltage noise
• Offers compatibility with various microcontroller and system architectures

Additional Details

The R3112Q201A-TR-FA features a detection voltage of 2.0V. The 'TR' in the part number indicates that it is tape and reel packaged for automated assembly. The 'FA' likely designates a specific production lot or revision. It is designed to operate over a wide temperature range, typically from -40°C to +85°C, making it suitable for harsh environments. The open-drain output requires an external pull-up resistor to define the high-level output voltage. This voltage detector provides a cost-effective and reliable solution for voltage monitoring and reset generation in various electronic applications. It's particularly well-suited for applications where low power consumption and small size are critical design considerations.