onsemi

NCP112DG

NCP112DG Description

The NCP112DG is a 4-channel voltage supervisor IC designed by onsemi. This device is specifically engineered to monitor multiple power supply voltages in various electronic systems. It features a surface-mount package, making it suitable for compact and high-density PCB designs. The NCP112DG supports a wide range of voltage thresholds, including 3.3V, 5V, and 12V, with an adjustable option to cater to diverse application requirements. The reset timeout is adjustable/selectable, providing flexibility in system design. The device is housed in a tube package and has a moisture sensitivity level (MSL) of 1, indicating it is unaffected by moisture, making it suitable for a variety of environmental conditions. Despite being marked as obsolete, the NCP112DG remains a reliable choice for legacy systems and specific applications where its unique features are required.

NCP112DG Features

• Multi-Voltage Monitoring: The NCP112DG can monitor up to four different voltage levels, ensuring comprehensive oversight of power supply integrity.
• Adjustable Voltage Thresholds: With support for 3.3V, 5V, and 12V thresholds, plus an adjustable option, this IC can be tailored to fit a wide array of voltage monitoring needs.
• Flexible Reset Timeout: The reset timeout is adjustable/selectable, allowing designers to optimize the reset behavior according to their specific system requirements.
• Open Drain/Open Collector Output: This feature provides compatibility with various logic systems and simplifies integration into existing circuits.
• Active High Reset: The active high reset functionality ensures reliable system reset under fault conditions.
• Surface Mount Compatibility: The surface-mount package type facilitates integration into modern, space-constrained PCB designs.
• Moisture Sensitivity Level 1: The MSL rating of 1 means the device is unaffected by moisture, enhancing its reliability in various environmental conditions.
• Compliance and Safety: The NCP112DG is REACH unaffected and classified under ECCN EAR99, ensuring compliance with international regulations.

NCP112DG Applications

The NCP112DG is ideal for a variety of applications where reliable voltage monitoring is crucial. Some specific use cases include:

• Telecommunications Equipment: Monitoring power supplies in routers, switches, and other networking devices to ensure stable operation and prevent system crashes.
• Industrial Control Systems: Ensuring the integrity of power supplies in PLCs, motor controllers, and other industrial automation equipment.
• Consumer Electronics: Protecting sensitive components in devices such as gaming consoles, smart TVs, and high-end audio systems from power supply fluctuations.
• Medical Devices: Ensuring reliable operation of critical medical equipment by monitoring and stabilizing power supplies.
• Automotive Electronics: Monitoring power supplies in vehicle control units, infotainment systems, and other automotive electronic modules.

Conclusion of NCP112DG

The NCP112DG, despite being marked as obsolete, remains a robust and versatile voltage supervisor IC. Its ability to monitor multiple voltage levels, coupled with adjustable thresholds and flexible reset options, makes it a valuable component for a wide range of applications. The surface-mount package and moisture sensitivity level 1 rating further enhance its suitability for modern electronic designs. While newer alternatives may exist, the NCP112DG continues to offer reliable performance and is particularly well-suited for legacy systems and specific applications where its unique features are essential.