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Product Detailed Parameters
- Description：IC POE CNTRL 4/8 PORT 20QFN
- Series：-
- Mfr：Skyworks Solutions Inc.
- Package：Tape & Reel (TR)
- Type：Power Manager
- Number of Channels：-
- Power - Max：-
- Internal Switch(s)：No
- Auxiliary Sense：No
- Standards：802.3at (PoE+), 802.3af (PoE)
- Voltage - Supply：2.7V ~ 3.6V
- Current - Supply：13mA
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：20-VFQFN Exposed Pad
- Supplier Device Package：20-QFN (4x4)
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Overview
The SI3480-A01-GMR is a hot-swap voltage controller manufactured by Skyworks Solutions Inc. It functions as an 8-port power manager designed for use with Si3452/3 PSE port controllers. The component operates within a supply voltage range of 2.7 V to 3.6 V and draws a typical operating current of 12.1 mA. It supports an ambient operating temperature range from -40°C to +85°C. The device is housed in a QFN-24 package suitable for surface-mount installation.
Feature Summary
- Manages power distribution across eight ports for PoE applications
- Integrates hot-swap voltage control capabilities
- Designed for compatibility with specific PSE port controllers
Applications
- Power Sourcing Equipment (PSE) systems
- Ethernet Power over Ethernet (PoE) infrastructure
- Network switch power management modules
Procurement Notes
Verify the exact suffix designation, as the provided model includes 'GMR' while official documentation references 'GM'. Confirm availability status, as listings indicate limited or discontinued supply. Ensure the selected variant matches the required packaging format for your assembly process. Cross-reference the manufacturer part number against current distributor catalogs to confirm active production status before finalizing procurement plans.
Selection Notes
Select this component when designing 8-port PoE solutions requiring integrated hot-swap protection. Ensure the design utilizes compatible Si3452 or Si3453 PSE port controllers. Verify that the 2.7 V to 3.6 V input voltage range aligns with the system power architecture. Consider the QFN-24 package dimensions for PCB layout constraints.
Part Context
This part belongs to the Skyworks Si3480 series of specialized power management ICs. It serves as a central power manager within larger PoE architectures, coordinating power delivery to multiple downstream ports. The series focuses on compact integration for network equipment power distribution requirements.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Consult Skyworks technical support for direct replacements or updated product line recommendations.
