The MM3416A33URE is a voltage detector IC manufactured by Mitsumi Electric. This component is designed to monitor the voltage level of a power supply and provide a reset signal when the voltage falls below a specified threshold. This function is critical for ensuring the stable and reliable operation of electronic devices and preventing data corruption.

Applications

• Microcontroller and Microprocessor Systems: Provides a reliable reset signal during power-up, power-down, and brownout conditions.
• Battery-Powered Devices: Monitors battery voltage to prevent deep discharge and potential damage.
• Power Supply Monitoring: Detects undervoltage conditions in power supplies and triggers protective measures.
• Real-Time Clocks (RTC): Ensures accurate timekeeping by resetting the RTC during voltage instability.
• Memory Protection: Prevents data corruption in volatile memory during power failures.

Features

• Precise Voltage Detection: Accurately monitors the voltage level and triggers a reset signal when the voltage drops below the set threshold.
• Low Quiescent Current: Minimizes power consumption, making it suitable for battery-powered applications.
• Open-Drain Output: Provides flexibility in interfacing with various microcontroller and logic circuits.
• Small Package Size: Suitable for compact electronic devices where board space is limited.
• Hysteresis: Prevents output oscillations caused by noise or minor voltage fluctuations.

Benefits

• Improved System Stability: Prevents erratic behavior by resetting the system during voltage dips and brownouts.
• Data Integrity: Protects data from corruption during power failures or unstable voltage conditions.
• Extended Battery Life: Low power consumption contributes to longer operational time in battery-powered devices.
• Simplified Circuit Design: Integrated voltage detection function simplifies circuit design and reduces component count.
• Enhanced Reliability: Provides a robust and dependable solution for voltage monitoring and system reset.

Technical Specifications

For precise specifications, refer to the official Mitsumi datasheet. Typical parameters for the MM3416A33URE and similar voltage detectors include:

• Detection Voltage: 3.3V (as indicated by the part number).
• Operating Voltage Range: Typically 1.0V to 5.5V.
• Supply Current: 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 MM3416A33URE provides a reliable and cost-effective solution for voltage monitoring and system reset in a wide range of electronic applications.