The Ricoh R3112Q231A-TR is a voltage detector IC designed for various applications requiring accurate and reliable voltage monitoring. It monitors the input voltage and asserts a reset signal when the voltage falls below a specific threshold. This functionality is critical for preventing erratic behavior or data corruption in microcontrollers and other digital circuits during power-up or brown-out conditions. Manufactured by Ricoh, this device is known for its low power consumption and compact size.

Applications

• Microcontroller reset circuits
• Power management systems in battery-powered devices
• Voltage monitoring in automotive systems
• Industrial control equipment
• Consumer electronics requiring reliable power-on reset

Features

• Highly accurate voltage detection
• Low supply current
• Small SOT-23 package
• Built-in hysteresis
• Open drain output

Benefits

• Ensures stable system operation by preventing malfunctions due to voltage drops
• Extends battery life in portable devices due to low power consumption
• Enables compact and space-saving designs
• Enhances noise immunity
• Offers flexibility in system integration

Additional Details

The R3112Q231A-TR features a detection voltage of 2.3V. The 'TR' designation indicates that the component is supplied on tape and reel packaging for automated assembly. It is designed to operate over a wide temperature range. The open-drain output requires an external pull-up resistor. This voltage detector provides a cost-effective and dependable solution for voltage monitoring and reset generation in various electronic applications. Its small size and low power consumption make it particularly well-suited for portable and battery-powered devices where efficiency is a key consideration.