Si3474A-IM

Si3474A-IM Power Over Ethernet (PoE) Multi-Port PSE Controllers

The Si3474A-IM IEEE 802.3bt compliant PoE PSE Controller provides up to 90 W of power for four 4-pair Ethernet ports in a QFN56 package. The  Si3474A-IM  automatically detects valid Powered Devices (PDs), monitors for fault conditions, and cuts off port power when connected PDs are removed. Each port’s supply voltage and current are measured and monitored in real-time and may be accessed via the I²C interface, enabling sophisticated system-level power management and control. Fully autonomous operation is also supported. Uses industry standard 255 mΩ sense resistor.

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Specifications

Package Type QFN56
OPN Si3474A-A01-IM
Package Size (mm) 8x8
Temperature Range Min (°C) -40
Temperature Range Max (°C) 85
Maximum Output Power (W) 90
Sense Resistor (mΩ) 255
Description QUAD 802.3bt PoE PSE Controller
Package Type QFN56
OPN Si3474A-A01-IM
Package Size (mm) 8x8
Temperature Range Min (°C) -40
Temperature Range Max (°C) 85
Maximum Output Power (W) 90
Sense Resistor (mΩ) 255
Description QUAD 802.3bt PoE PSE Controller

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Certificate of Conformance
Product

si3474-kit

Si3474 Four Ethernet Port 802.3bt PSE Evaluation Kit

Accelerate bringing 802.3bt PoE to Ethernet switches, recording systems, and industrial devices with the Si3474 development kit.

MSRP $199.00

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