The SGM2200-3.3YK3G/TR is a low-power, high-accuracy voltage detector manufactured by SG Micro Corp. This device is designed to monitor voltage levels and provide a reset signal when the voltage drops below a certain threshold. It is commonly used in microcontroller-based systems, memory devices, and other electronic circuits to prevent data corruption and ensure proper operation during power-up, power-down, and brownout conditions.

Applications

• Microcontroller Systems: Monitoring power supply voltage and providing a reset signal during undervoltage conditions.
• Memory Devices (SRAM, Flash): Protecting data from corruption during power loss or voltage dips.
• Real-Time Clocks (RTC): Ensuring accurate timekeeping by preventing operation during low-voltage conditions.
• Portable Devices: Providing power-on reset functionality and brownout protection.
• Automotive Electronics: Monitoring battery voltage and initiating safe shutdown procedures.
• Industrial Control Systems: Ensuring reliable operation of critical components during voltage fluctuations.

Features

• Precise Voltage Detection: Accurately monitors the input voltage and triggers a reset signal when the voltage falls below the threshold.
• Fixed Threshold Voltage: Provides a pre-defined undervoltage detection level (3.3V in this case).
• Low Quiescent Current: Minimizes power consumption, making it suitable for battery-powered applications.
• Open-Drain Output: Allows for flexible interfacing with microcontrollers and other digital circuits.
• Small Package: Available in a compact package suitable for space-constrained applications.
• Hysteresis: Prevents output oscillation near the threshold voltage.

Benefits

• Data Protection: Prevents data corruption in memory devices during power loss or brownout conditions.
• System Stability: Ensures proper operation of microcontrollers and other critical components.
• Power-On Reset Functionality: Provides a reliable reset signal during power-up.
• Low Power Consumption: Extends battery life in portable devices.
• Simplified Design: Easy to integrate into existing circuits with minimal external components.
• Enhanced System Reliability: Protects against voltage fluctuations and ensures consistent performance.

Additional Details

The SGM2200-3.3YK3G/TR is a reliable voltage detector designed to improve the overall stability and reliability of electronic systems. It features a precise voltage detection circuit and a low quiescent current, making it suitable for a wide range of applications. The open-drain output allows for easy interfacing with various digital circuits, and the small package size enables use in space-constrained designs. The hysteresis feature prevents unwanted output oscillations near the threshold voltage, ensuring stable operation. The device requires minimal external components, simplifying the design process and reducing BOM cost.