NCP1090DBRG

Overview

The NCP1090DBRG is a hot-swap voltage controller from onsemi, designed for IEEE 802.3af Power over Ethernet Powered Device (PoE-PD) applications. It integrates an interface controller and internal power switch within an 8-TSSOP package. The device supports a DC-to-DC conversion input voltage range of 37 V to 57 V, with a maximum supply voltage of 57 V. It operates reliably across a temperature range of -40°C to +85°C. This component is part of the high-power HIPO PoE product family, providing essential protection and control functions for Ethernet-powered systems.

Feature Summary

• Integrates IEEE 802.3af PoE-PD interface controller with internal power switch
• Supports hot-swap operations for safe insertion and removal
• Designed for high-power HIPO PoE application environments

Applications

• IEEE 802.3af compliant Powered Devices
• High-power HIPO PoE system designs
• Ethernet-powered network equipment

Procurement Notes

Verify current availability status as this component may be subject to end-of-life or limited supply conditions. Confirm package integrity and moisture sensitivity level handling requirements prior to assembly. Ensure compatibility with existing design specifications regarding thermal management and electrical parameters before finalizing procurement decisions.

Selection Notes

Select this component for applications requiring integrated PoE-PD interface control and hot-swap capability in a compact surface-mount package. Consider the 8-TSSOP form factor for space-constrained designs. Verify that the 37 V to 57 V input range aligns with the specific PoE class and voltage requirements of the target system architecture.

Part Context

The NCP1090DBRG belongs to onsemi's NCP1090 series, which includes related models like the NCP1091 and NCP1092. These components are engineered for high-power HIPO PoE solutions. The DBRG suffix indicates the TSSOP-8 package and reel packaging configuration. This series provides a consolidated solution for managing power delivery and interface signaling in modern Ethernet infrastructure.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Evaluate the NCP1091 or NCP1092 if pinout or feature variations suit the design needs, but verify datasheet specifics for each candidate.