The MM3416A31URE is a voltage detector IC manufactured by Mitsumi Electric. It is designed to monitor voltage levels in electronic circuits and provide a reset signal when the voltage drops below a certain threshold. These devices are commonly used for power management and system protection purposes.

Applications

• Microcontroller-based systems: Monitoring the supply voltage to ensure proper microcontroller operation and prevent data corruption.
• Battery-powered devices: Detecting low battery conditions and initiating shutdown procedures to protect the battery.
• Power supply monitoring: Monitoring the output voltage of power supplies and triggering an alarm or shutdown in case of undervoltage.
• Reset circuits: Providing a reset signal to microprocessors and other digital circuits during power-up or brownout conditions.
• Portable electronic devices: Used in mobile phones, tablets, and other portable devices for power management and system reset.

Features

• Precise detection voltage: Provides accurate and reliable voltage monitoring.
• Low current consumption: Minimizes power drain from the monitored circuit.
• Small package size: Enables compact integration in space-constrained applications.
• Built-in hysteresis: Prevents oscillations near the detection threshold.
• Open drain output: Compatible with various logic levels and microcontroller inputs.

Benefits

• Improved system reliability: Prevents malfunctions and data corruption caused by undervoltage conditions.
• Extended battery life: Reduces power consumption in battery-powered devices.
• Simplified design: Simplifies the design of power management and reset circuits.
• Enhanced system protection: Protects sensitive components from damage due to voltage fluctuations.
• Cost-effective solution: Provides a low-cost solution for voltage monitoring and reset functions.

Additional Details

The MM3416A31URE typically has a fixed detection voltage, which is often specified in the Mitsumi datasheet for this specific part number. It may come in a small surface mount package such as SOT-23 or similar. The output signal is an open-drain output, requiring a pull-up resistor. The datasheet will provide details on the recommended pull-up resistor value. It will also include information on the operating temperature range, supply voltage range, and other electrical characteristics. Check the datasheet for specific details regarding the hysteresis voltage and the response time of the detector.