The Ricoh R3112Q201C-TR-FA is a voltage detector IC designed to monitor the voltage level of a power supply and generate a reset signal when the voltage drops below a predetermined threshold. This is crucial for preventing microcontrollers and other digital circuits from malfunctioning during undervoltage conditions. It is manufactured by Ricoh and is characterized by its high accuracy, low power consumption, and small package size.

Applications

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

Features

• Precise voltage detection
• Extremely low current consumption
• Compact SOT-23 package
• Integrated hysteresis
• Open-drain output

Benefits

• Ensures system stability by preventing incorrect operation during voltage sags
• Prolongs battery life in portable devices due to minimal power drain
• Enables miniaturization of electronic devices
• Reduces false reset triggers caused by noise
• Provides versatility in interfacing with different microcontrollers and systems

Additional Details

The R3112Q201C-TR-FA features a detection voltage of 2.0V. The 'TR' suffix indicates that the IC is supplied in tape and reel packaging for automated assembly. The 'FA' likely represents a specific manufacturing lot or date code. It typically operates over a wide temperature range. The open-drain output requires an external pull-up resistor. It is a cost-effective and reliable solution for voltage monitoring and reset generation in a wide range of electronic applications. Its small size and low power consumption make it particularly suitable for portable and battery-operated devices.