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Skyworks Solutions Inc Power-over-Ethernet PSE Controller 38-Pin QFN Si3471A-A01-IM
Specifications
| Country of Origin | India |
|---|---|
| Brand | Skyworks Solutions Inc |
| Height | 850μm |
| Length | 7mm |
| Model | Si3471A-A01-IM |
| Mount Type | Surface |
| Maximum Operating Temperature | 85°C |
| Package Type | QFN |
| Minimum Operating Temperature | -40°C |
| Interfaces | Ethernet port PoE Power Sourcing Equipment (PSE) device |
| Pin Count | 38 |
| Maximum Supply Voltage | 57V |
| Minimum Supply Voltage | 44V |
| Supply Current | 25mA |
| Power at Powered Device | 90W |
| PoE Controller Type | Power Sourcing Equipment (PSE) |
| Number of PSE Ports | 2 |
| PoE Standard | 802.3bt |
Key Features
- Compatible with IEEE 802.3af, 802.3at, and 802.3bt standards.
- Single Ethernet port with powered device detection and classification.
- Includes multi-point detection and powered device disconnect via DC sense algorithms.
- Provides protection against undervoltage, overcurrent, and short circuits.
- Compact 38-pin QFN surface mount package for easy PCB integration.
- Operates reliably from -40°C to 85°C temperature range.
- Supports 2 PSE ports delivering up to 90W power at the powered device.
- Low supply current of 25mA ensures efficient power management.
Product Description
Skyworks Solutions Inc Si3471A-A01-IM Power-over-Ethernet (PoE) Power Sourcing Equipment (PSE) Controller is a high-performance semiconductor device designed for industrial and commercial Ethernet applications requiring power delivery over standard network cabling. Fully compliant with IEEE 802.3bt, the controller supports seamless interoperability with IEEE 802.3af and 802.3at standards, ensuring backward compatibility and broad device integration.
This device integrates a single Ethernet port featuring advanced powered device (PD) detection and classification functions that enable efficient power management and supply. Its built-in multi-point detection algorithms and robust powered device disconnect functionality based on DC sensing optimize system reliability and safety.
The package's compact 38-pin QFN form factor and surface mount design facilitate easy PCB integration in space-constrained environments. With operational temperature ranging from -40°C to 85°C and supply current of 25mA, it suits demanding industrial climates while maintaining low power consumption.
Protection mechanisms embedded in the Si3471A-A01-IM include input under voltage detection, output current limiting, and short circuit protection, providing enhanced circuit safeguarding. The controller supports two PSE ports delivering power up to 90W, suitable for mid-span and injector PoE solutions that operate autonomously without the need for a host microcontroller unit (MCU).
Key use cases for this PoE controller include telecommunications equipment, industrial automation systems, network infrastructure devices, and other applications requiring intelligent power sourcing capabilities over Ethernet networks.
Compatible with IEEE 802.3bt, 802.3af, and 802.3at standards. Integrated Ethernet port with PD detection and classification. Multi-point detection and PD disconnect via DC sense. Robust protection against under voltage, overcurrent, and short circuits.
Compact 38-pin QFN surface mount package. Operating temperature range -40°C to 85°C. Supports 2 PSE ports with 90W power at powered device. Low supply current of 25mA. Optimized for PSE mid-span and injector devices. Explore our extensive Power Management IC category at EnvMart for reliable industrial and electronic components that support advanced networking and power delivery systems.
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Frequently Asked Questions
It operates reliably within a temperature range of -40°C to 85°C.
This model supports two PSE ports, delivering power up to 90W at the powered device.
It is fully compliant with IEEE 802.3af, 802.3at, and 802.3bt standards, ensuring broad interoperability.
The supply current is 25mA, which contributes to efficient power management.
The controller comes in a compact 38-pin QFN surface mount package, facilitating easy PCB integration.
It includes protection against undervoltage, overcurrent, and short circuits, enhancing circuit safety.
The maximum supply voltage is 57V.
It features an Ethernet port designed for PoE Power Sourcing Equipment (PSE) applications.
The height of this model is 850μm.
It is suitable for telecommunications equipment, industrial automation systems, and network infrastructure devices requiring power over Ethernet.
The minimum supply voltage is 44V.
It integrates advanced powered device detection and classification functions, along with multi-point detection algorithms.
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