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Product Detailed Parameters
- Description：IC POE CNTRL 1 CHANNEL 8TSSOP
- Series：HIPO™
- Mfr：onsemi
- Package：Bulk
- Type：Controller (PD)
- Number of Channels：1
- Power - Max：12.95 W
- Internal Switch(s)：Yes
- Auxiliary Sense：Yes
- Standards：802.3af (PoE)
- Voltage - Supply：0V ~ 57V
- Current - Supply：-
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：8-TSSOP (0.173", 4.40mm Width)
- Supplier Device Package：8-TSSOP
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Overview
The NCP1090DBG is an integrated IEEE 802.3af PoE-PD interface controller from onsemi's HIPO family, designed for powered devices. It operates within a supply voltage range of 0 V to 57 V and supports a maximum power output of 12.95 W. The device features an internal switch and auxiliary functions, housed in an 8-TSSOP package with dimensions of 4.40 mm width. It is rated for industrial temperatures between -40°C and +85°C. This component facilitates hot-swap voltage control for Ethernet-powered applications.
Feature Summary
- Integrates IEEE 802.3af compliant PoE-PD interface controller functionality
- Includes internal power switch for simplified circuit design
- Supports hot-swap voltage control capabilities
- Designed for high-power HIPO Powered Device applications
Applications
- IEEE 802.3af Powered Device (PD) implementations
- Hot-swap voltage control in network infrastructure
- High-power HIPO Ethernet-powered systems
Procurement Notes
Verify the obsolete status of the NCP1090DBG before procurement planning, as manufacturer discontinuation affects long-term availability. Confirm that the 8-TSSOP bulk packaging matches your assembly requirements. Ensure compatibility with existing IEEE 802.3af standards for your specific powered device design. Check for valid replacement components if current stock is insufficient.
Selection Notes
Select this component for designs requiring integrated IEEE 802.3af compliance without external switching elements. The 0 V to 57 V input range accommodates standard PoE voltage levels. Consider the 12.95 W power limit when sizing thermal management solutions. The 8-TSSOP package suits surface-mount assembly processes. Verify temperature ratings against environmental operating conditions.
Part Context
The NCP1090DBG belongs to onsemi's HIPO Power over Ethernet product family, which integrates interface controllers for powered devices. This series includes variants like NCP1090 and NCP1092, focusing on simplified PoE-PD implementation. The device serves as a core controller for managing power delivery and detection in network-connected equipment adhering to IEEE 802.3af standards.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. The NCP1090DBG is listed as obsolete. Designers should consult official onsemi resources for current alternatives or evaluate the NCP1090GEVB evaluation board context for functional reference.
