The MM3416A28URE is a voltage detector IC manufactured by Mitsumi Electric. It is designed to monitor the voltage level of a power supply and trigger a reset signal when the voltage drops below a predetermined threshold. This function is crucial for ensuring the stability and reliability of electronic devices.

Applications

• Microcontroller and Microprocessor Systems: Used to provide 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 threshold.
• Low Quiescent Current: Minimizes power consumption, making it ideal 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 extends the operational life of 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

The specific technical specifications for the MM3416A28URE can be found in the official Mitsumi datasheet. However, typical parameters for similar voltage detectors include:

• Detection Voltage: 2.8V (as suggested 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 MM3416A28URE is a reliable and cost-effective voltage detector ideal for use in a variety of electronic applications, improving system stability and protecting against data loss.