The MM3416A18RRE is a voltage detector IC manufactured by Mitsumi Electric. This device is designed to monitor voltage levels in electronic circuits and provide a reset signal when the voltage falls below a specified threshold. Voltage detectors are crucial components in ensuring the stability and reliability of electronic systems.

Applications

• Microcontroller Reset Circuits: Provides a reliable reset signal for microcontrollers during power-up, power-down, or brownout conditions.
• Power Supply Monitoring: Detects undervoltage conditions in power supplies to prevent damage to connected devices.
• Battery Management Systems: Monitors battery voltage to prevent over-discharge and extend battery life.
• Real-Time Clock (RTC) Backup: Ensures the RTC continues to function correctly during power interruptions.
• Portable Electronic Devices: Used in mobile phones, tablets, and other portable devices to monitor power supply voltage.

Features

• High-Accuracy Voltage Detection: Precisely monitors the input voltage and triggers a reset when the voltage drops below the set threshold.
• Low Current Consumption: Minimizes power consumption, making it suitable for battery-powered applications.
• Open-Drain Output: Provides flexibility in interfacing with different types of microcontrollers and digital circuits.
• Small Package Size: Available in compact packages, saving board space in miniaturized electronic devices.
• Hysteresis: Prevents oscillations and false resets due to noise on the power supply line.

Benefits

• Improved System Reliability: Ensures stable and predictable operation of electronic systems by preventing erroneous behavior due to low voltage conditions.
• Data Protection: Protects data stored in memory from corruption during power failures or brownouts.
• Extended Battery Life: Low power consumption helps to extend battery life in portable devices.
• Simplified Circuit Design: Integrated voltage detection function simplifies circuit design and reduces the number of external components required.
• Enhanced Safety: Protects sensitive electronic components from damage due to undervoltage conditions.

Technical Specifications

While a datasheet is needed for definitive specifications, typical parameters for the MM3416A18RRE and similar voltage detectors include:

• Detection Voltage: 1.8V (indicated by the part number).
• Operating Voltage Range: Typically 1.0V to 5.5V.
• Current Consumption: Typically less than 1 μA.
• Output Type: Open-drain N-channel MOSFET.
• Operating Temperature Range: -40°C to +85°C.
• Package: SOT-23 or similar small package.

The MM3416A18RRE is a reliable and efficient voltage detector that provides essential protection and monitoring functions in various electronic applications, ensuring stable and safe operation.