Si34071-GM

Si34071-GM Class 8 90W Powered Device

The Si34071-GM combines an IEEE compliant 802.3bt interface with a high efficiency DC DC converter to provide up to 71 W of power. It includes full support for autoclass, short maintain power signature (MPS), and power demotion. The high efficiency DC DC converter supports flyback or forward topologies and variable switching frequency to reduce EMI. The Si34071-GM UART port provides a simple, low cost interface to the system controller. Easy to use EVBs accelerate designing a high power, 802.3bt PD system.

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Specifications

Synchronous FET Driver true
Sleep Mode Advanced
Temperature Range Min (°C) -40
Maximum Output Power (W) 71
Aux Adapter Support false
Package Type QFN32
Switching Frequency Range (kHz) 100
Transformer Bias Winding Input true
Switching Frequency Max (kHz) 500
Package Size (mm) 5x5
Description 802.3bt PoE PD Interface with dc-dc
IEEE Specification 802.3 bt Type 3 and 4
Efficiency (%) 90
Temperature Range Max (°C) 85
Auto MPS Support false
DC DC true
Synchronous FET Driver true
Sleep Mode Advanced
Temperature Range Min (°C) -40
Maximum Output Power (W) 71
Aux Adapter Support false
Package Type QFN32
Switching Frequency Range (kHz) 100
Transformer Bias Winding Input true
Switching Frequency Max (kHz) 500
Package Size (mm) 5x5
Description 802.3bt PoE PD Interface with dc-dc
IEEE Specification 802.3 bt Type 3 and 4
Efficiency (%) 90
Temperature Range Max (°C) 85
Auto MPS Support false
DC DC true

PRODUCT DOCUMENTS

QUALITY AND PACKAGING

Look up product's green / pb-free status and information on RoHS, REACH, Halogen Free, and PFIS.


Certificate of Conformance
Product

si34071ac12v8kit

Si34071 Isolated 71 W, 12 V Class 8 Evaluation Kit

The Si34071 5 V Class 8 evaluation kit demonstrates a complete 71 W IEEE 802.3bt Power over Ethernet Powered Device system using our Si34071 PoE PD device. A single Si34071 manages the PoE interface and dc-dc conversion.

MSRP $123.75

Product

si34071ac5v8kit

Si34071 Isolated 71 W, 5 V Class 8 Evaluation Kit

The Si34071 5 V Class 8 evaluation kit demonstrates a complete 71 W IEEE 802.3bt Power over Ethernet Powered Device system using our Si34071 PoE PD device. A single Si34071 manages the PoE interface and dc-dc conversion.

MSRP $123.75

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