The S-80938ALMP-DA2-T2 is a voltage detector IC manufactured by SII Semiconductor Corporation. This device monitors voltage levels and generates a reset signal when the voltage drops below a specific threshold. This is a critical function for ensuring the stable operation of microcontrollers, memory devices, and other sensitive electronic components.

Applications

• Microcontroller Reset Circuits: Provides a reliable reset signal during power-up or voltage drop events.
• Memory Protection: Prevents data corruption in memory by initiating write-protect functions when the voltage is unstable.
• Battery-Powered Devices: Monitors battery voltage and triggers shutdown to prevent deep discharge.
• Power Management Systems: Provides voltage supervision for various power rails in electronic systems.
• Industrial Control Systems: Ensures voltage monitoring for critical control circuits.

Features

• Detection Voltage: 3.8V (typical)
• High Accuracy Detection Voltage: Provides precise voltage monitoring.
• Low Current Consumption: Minimizes power consumption in battery-powered devices.
• Small Package: SOT-23-3 package allows for compact designs.
• Wide Operating Temperature Range: Suitable for use in a variety of environments.
• Built-in Hysteresis: Prevents oscillations around the threshold voltage.
• N-channel Open Drain Output: Offers flexible interfacing options.

Benefits

• Improved System Reliability: Prevents malfunctions due to voltage fluctuations.
• Data Protection: Protects data integrity in memory devices.
• Extended Battery Life: Optimizes power usage in battery-powered applications.
• Simplified Circuit Design: Integrates voltage monitoring into a single chip.
• Reduced System Cost: Eliminates the need for discrete voltage monitoring components.

Additional Details

The S-80938ALMP-DA2-T2 features an N-channel open drain output, requiring an external pull-up resistor. The hysteresis characteristic prevents the output from rapidly switching when the input voltage is near the threshold. Its compact SOT-23-3 package makes it well-suited for applications where space is limited. The low current consumption contributes to optimal performance in energy-conscious applications. This voltage detector provides a robust and efficient solution for ensuring stable and reliable operation of electronic systems.