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SD4924S
POE POWERED DEVICE (PD) CONTROLLER COMPATIBLE WITH IEEE 802.3AF/AT STANDARD

SD4924S is an Ethernet powered device controller IC compatible with IEEE 802.3af/at standard. It provides powered devices (PD) with functions of detection, classification and inrush current limit.

SD4924S integrates a 100V power MOSFET with on-resistance of 0.6Ω, providing maximum 960mA operating current.

SD4924S features built-in undervoltage protection and over temperature protection, providing high-level power good signal.


Main feature
  • IEEE 802.3af/at Compliant

  • 100V 0.6Ω On-chip MOSFET

  • 180mA inrush current limit

  • 960mA operating current

  • Power good signal indication

  • Fault automatic retry

  • Undervoltage protection

  • Over temperature protection


Ordering Information
Product Name Package form Marking Hazardous Substance Control Packing Type Remarks
SD4924S SOP-8-225-1.27 SD4924S Halogen free Tube
SD4924STR SOP-8-225-1.27 SD4924S Halogen free Tape&Reel