The SG2001-1.8XN5 is a voltage detector manufactured by SG Micro Corp. It is designed to monitor voltage levels in electronic circuits and provide a reset signal when the voltage drops below a specified threshold. This particular model has a threshold voltage of 1.8V.

Applications:

• Microcontroller Reset Circuits: Ensuring proper reset of microcontrollers during power-up and brown-out conditions.
• Battery Monitoring: Detecting low battery conditions in portable devices.
• Power Supply Monitoring: Supervising the output voltage of power supplies to prevent malfunctions.
• Real-Time Clock (RTC) Backup: Maintaining RTC functionality during power failures.
• Memory Protection: Protecting data in memory by triggering a reset when voltage drops below a safe level.

Features:

• Precision Voltage Detection: Accurate monitoring of voltage levels.
• Low Supply Current: Minimizes power consumption in battery-powered applications.
• Small Package Size: Suitable for space-constrained applications.
• Open-Drain Output: Flexible output configuration for various circuit designs.
• Wide Operating Temperature Range: Reliable performance in diverse environments.

Benefits:

• Improved System Reliability: Prevents system malfunctions due to voltage drops.
• Extended Battery Life: Low supply current extends the operational time of battery-powered devices.
• Simplified Circuit Design: Integrated functionality reduces the need for external components.
• Enhanced Data Integrity: Protects data in memory from corruption during power failures.
• Cost-Effective Solution: Provides essential voltage monitoring functionality at a competitive price.

This voltage detector is typically used in applications where it is crucial to ensure that the supply voltage remains within a safe operating range. The open-drain output allows for easy integration with various microcontrollers and other digital circuits. The small package size makes it suitable for portable devices and other applications where board space is limited.

Technical Specifications:

• Threshold Voltage: 1.8V
• Supply Voltage Range: Typically 1.6V to 5.5V (Consult datasheet for exact range)
• Supply Current: Typically in the μA range (Consult datasheet for exact value)
• Output Type: Open-Drain
• Package: SOT-23 or similar small outline package
• Operating Temperature Range: -40°C to +85°C (Consult datasheet for exact range)