The MM3464A33RRE 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 specified threshold. This functionality is crucial for preventing malfunctions and ensuring the stable operation of microcontrollers and other sensitive components.

Applications

• Microcontroller Reset Circuits: Used to reset microcontrollers during power-up or brown-out conditions.
• Power Supply Monitoring: Monitors the voltage levels of power supplies to ensure they are within acceptable limits.
• Battery-Powered Devices: Protects against deep discharge of batteries by shutting down the device when the battery voltage is low.
• Industrial Control Systems: Provides voltage monitoring in industrial control systems to prevent equipment damage.
• Automotive Electronics: Ensures stable operation of electronic components in automotive applications.

Features

• Low Voltage Detection: Detects voltage drops below a specified threshold.
• Reset Output: Provides a reset signal to microcontrollers or other devices.
• Low Current Consumption: Minimizes power consumption in battery-powered applications.
• Small Package Size: Available in small package sizes for space-constrained applications.
• High Accuracy: Provides accurate voltage detection for reliable operation.

Benefits

• Prevents Data Corruption: Protects against data corruption in microcontrollers during voltage drops.
• Ensures Stable Operation: Ensures stable operation of electronic devices by providing a reset signal during power-up or brown-out conditions.
• Extends Battery Life: Minimizes power consumption in battery-powered applications.
• Reduces Board Space: Small package size allows for compact designs.
• Improves Reliability: Accurate voltage detection improves the reliability of electronic systems.

Additional Details

The MM3464A33RRE voltage detector IC typically operates with a fixed detection voltage. The specific threshold voltage is indicated by the “33” in the part number, suggesting a 3.3V detection level. The device usually comes in a small surface-mount package (e.g., SOT-25 or similar). The output is generally an open-drain or CMOS output, which can be directly connected to a microcontroller's reset pin. It's crucial to consult the manufacturer's datasheet for precise electrical characteristics, timing diagrams, and application notes to ensure proper integration and optimal performance within a specific electronic circuit design.