onsemi

NCP1090DG

NCP1090DG Description

The NCP1090DG from onsemi is a high-performance Power over Ethernet (PoE) Controller designed for Powered Device (PD) applications. Compliant with IEEE 802.3af (PoE) standards, it integrates a single-channel PD interface with an internal switch, enabling efficient power delivery over Ethernet cables. Operating within a 0V to 57V supply range, it supports a maximum power output of 12.95W, making it suitable for low-to-mid-power PoE applications. The device is housed in an 8-pin SOIC package and is RoHS3 compliant, ensuring environmental and regulatory adherence.

NCP1090DG Features

• IEEE 802.3af Compliance: Ensures interoperability with standard PoE power sourcing equipment (PSE).
• Integrated Auxiliary Sense: Enhances detection reliability in complex network environments.
• Internal Switch: Reduces external component count, simplifying PCB design and lowering BOM costs.
• Wide Voltage Range (0V–57V): Supports flexible deployment in varying power conditions.
• Surface-Mount Design (SOIC-8): Optimized for compact and automated assembly processes.
• Low Moisture Sensitivity (MSL 2): Ensures reliability in humid environments with a 1-year floor life.
• HIPO™ Series Technology: Delivers high efficiency and robust performance in PoE applications.

NCP1090DG Applications

The NCP1090DG is ideal for PoE-powered devices requiring reliable power delivery, including:

• IP Cameras & Surveillance Systems: Ensures stable power for continuous operation.
• Wireless Access Points (WAPs): Simplifies installation by eliminating separate power cabling.
• VoIP Phones: Provides seamless power and data integration.
• IoT Edge Devices: Supports low-power sensors and controllers in smart infrastructure.
• Industrial Automation: Enables PoE connectivity for remote sensors and actuators.

Conclusion of NCP1090DG

The NCP1090DG stands out as a compact, efficient, and compliant PoE PD controller, offering simplified integration, robust performance, and broad compatibility with IEEE 802.3af standards. Its auxiliary sense capability, internal switch, and wide voltage tolerance make it a superior choice for modern PoE applications. While designated as Last Time Buy, it remains a reliable solution for legacy and new designs requiring dependable PoE power management.