The SG2001-2.8XN5 is a voltage detector manufactured by SG Micro Corp. This device monitors the input voltage and asserts a reset signal when the voltage drops below a certain threshold, specifically 2.8V. It is commonly used in embedded systems and power management circuits to ensure stable operation and prevent data corruption during undervoltage conditions.

Applications:

• Microcontroller Reset: Provides a reliable reset signal for microcontrollers during power-up, power-down, or brownout events.
• Battery Monitoring: Detects low battery conditions in portable devices to prevent deep discharge.
• Power Supply Supervision: Monitors the output voltage of power supplies to protect sensitive components from damage due to undervoltage.
• Real-Time Clock (RTC) Backup: Ensures that an RTC continues to operate correctly during a power failure.
• Memory Protection: Prevents data corruption in volatile memory during low voltage situations.

Features:

• Precise Voltage Detection: Accurately monitors the input voltage.
• Low Quiescent Current: Minimizes power consumption, making it suitable for battery-powered applications.
• Small Package Size: Allows for compact designs.
• Open-Drain Output: Provides flexibility in interfacing with different logic levels.
• Wide Operating Temperature Range: Ensures reliable operation in various environments.

Benefits:

• Improved System Stability: Prevents system crashes and malfunctions due to voltage fluctuations.
• Extended Battery Life: Low power consumption contributes to longer battery life in portable devices.
• Simplified Circuit Design: Reduces the need for external components.
• Enhanced Data Integrity: Protects data from corruption during undervoltage events.
• Cost-Effective: Provides essential voltage monitoring functionality at a low cost.

The SG2001-2.8XN5 provides a reliable and efficient way to monitor voltage levels in a variety of electronic systems. Its precise voltage detection, low power consumption, and small package size make it an ideal choice for battery-powered and space-constrained applications. The open-drain output allows for easy interfacing with microcontrollers and other digital circuits.

Technical Specifications:

• Threshold Voltage: 2.8V
• Supply Voltage Range: Typically 1.6V to 5.5V (Consult datasheet for exact specifications)
• Quiescent Current: Typically in the microampere range (Consult datasheet for exact specifications)
• Output Type: Open-Drain
• Package: Usually available in SOT-23 or similar small outline packages
• Operating Temperature Range: Typically -40°C to +85°C (Consult datasheet for exact specifications)