onsemi

NCP1083DER2G

NCP1083DER2G Description

The NCP1083DER2G from onsemi is a highly integrated Power over Ethernet (PoE) controller designed for Powered Device (PD) applications. Compliant with IEEE 802.3af (PoE) and 802.3at (PoE+) standards, it supports up to 40W power delivery, making it suitable for high-power applications. The device operates over a wide input voltage range (0V to 57V) and features an auxiliary sense input for enhanced flexibility in power management. Packaged in a 20-pin TSSOP and available in Tape & Reel (TR), it is optimized for surface-mount assembly in compact designs.

NCP1083DER2G Features

• Single-channel PD controller with integrated high-efficiency switching for optimal power conversion.
• Dual-standard compliance (802.3af/at) ensures interoperability with a broad range of PoE switches.
• Auxiliary sense capability enables external power source detection, improving system reliability.
• Robust protection against overvoltage, undervoltage, and thermal overload.
• RoHS3 and REACH compliant, meeting stringent environmental regulations.
• Moisture Sensitivity Level (MSL) 2 ensures reliability in humid conditions.
• Internal switches for both detection and classification, simplifying design and reducing BOM cost.

NCP1083DER2G Applications

• IP cameras and surveillance systems requiring reliable PoE power.
• Wireless access points (WAPs) and VoIP phones needing IEEE 802.3at compliance.
• Industrial IoT (IIoT) devices where stable power delivery is critical.
• Building automation controllers leveraging PoE for centralized power management.
• Medical devices requiring fail-safe power sourcing from Ethernet.

Conclusion of NCP1083DER2G

The NCP1083DER2G stands out as a versatile, high-performance PoE PD controller, combining regulatory compliance, robust protection, and design flexibility. Its auxiliary sense feature and wide voltage range make it ideal for demanding applications in networking, industrial, and IoT systems. With onsemi's proven reliability, this controller is a top choice for engineers seeking a cost-effective, high-power PoE solution.