The R3112N29A-TR is a high-accuracy voltage detector IC manufactured by Ricoh Electronic Devices. It's designed for use in power management circuits to monitor voltage levels and provide reset signals or other control actions when the voltage falls below a predetermined threshold. This device is ideal for battery-powered devices, microcontrollers, and other systems that require reliable voltage monitoring.

Applications

• Microcontroller reset circuits
• Battery-powered devices
• Power management systems
• Real-time clocks (RTCs)
• Memory protection
• Voltage monitoring in industrial equipment

Features

• High-accuracy voltage detection
• Low current consumption
• Small package size
• Built-in hysteresis
• Open-drain output
• Wide operating voltage range

Benefits

• Provides reliable voltage monitoring for critical systems.
• Extends battery life in portable devices.
• Saves board space and enables miniaturization.
• Prevents oscillations near the threshold voltage.
• Allows for flexible connection to other circuits.
• Supports a wide range of applications.

Additional Details

The R3112N29A-TR features a detection voltage of 2.9V. The output type is N-channel open drain. The typical supply current is very low. The device is typically available in a small SOT-23 package. The built-in hysteresis prevents chattering of the output signal when the input voltage is near the detection threshold. The operating temperature range is typically -40°C to +85°C. Detailed electrical characteristics, pin assignments, and application notes can be found in the Ricoh datasheet.