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The SI3473A-A01-IM is a fully programmable 50 V to 57 V power supply equipment (PSE) controller for IEEE 802.3bt Type 2-to-3 applications. As a 2-to-3 Type 3 PSE controller, the SI3473A-A01-IM Powered Device (PD) load is compatible. Designed for PSE termination (switch) and midrange (injector). Integrates eight (Si3473) or four (Si3472) independent ports, each with IEEE-required detection and classification.

Product Attributes

Type: Controller (PSE)

Number of Channels: 8

Power - Max: 30 W

Internal Switch: Both

Auxiliary role: None

Standards: 802.3at (PoE+), 802.3af (PoE), 802.3bt

Voltage - Supply: 3V ~ 3.6V

Current - Supply: 17mA

Operating Temperature: -40°C ~ 85°C (TA)

Mounting Type: Surface Mount

Package/Shell: 56-VFQFN Exposed Pad

Supplier Device Package: 56-QFN (8x8)

Applications

● IEEE 802.3af, 802.3at, and 2 pairs of 802.3bt Power Sourcing Equipment (PSE)

● Power over Ethernet switches

● IP telephony systems

● Smart grid switches

● Reinforced and industrial switches

● Multi-port PoE injectors

● Applications powering IEEE Class 1 and Class 2 PDs over Class 4 up to 30 W

● Applications powering legacy 2-to-5 Class 5 PDs at up to 45 W

• 1.Is the inventory and price seen on the platform accurate?

  A: all online goods on the shelves can be ordered online, but considering the large liquidity of spot inventory, it is not possible to achieve 100% accuracy at present. In case of any abnormality, you can contact our company online and give the corresponding solution.

• 2.Are all our products genuine?

  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

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  A: at present, our self-employed brands TI，ST，ADI，NXP，LATTICE，CYPRESS，INFINEON，XILINX and other first-line brands. Other channels are the original factory and agency channels. If necessary, we can communicate and confirm according to the specific brand and model.

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• 6.Can the company issue an invoice?

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