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Microsemi, a wholly-owned subsidiary of Microchip, is a leading provider of system and component solutions for the security market. Microsemi offers a comprehensive portfolio of system solutions for communications, defense & security, aerospace and industrial markets. Learn more about our leading Power over Ethernet Solutions and Network Time Server Solutions that help secure a connected world.

Lead Supplier of Timing Infrastructure

  • 93% of UTC world time Weighted contributions at BIPM
  • Cesiums 87%, MASERs 6%
  • 60%+ worldwide market share in sync for commercial communications
  • 60%+ share of NTP sync servers
  • The preferred next generation timing provider to major NEMs
  • Over 250 IEEE 1588 networks deployed worldwide

Lead Supplier of Power over Ethernet

  • More than 16 Years of history in PoE
  • Patented PoE Technology - Holds majority of patents
  • Only supplier of PoE IC’s, Midspans, Switches & Test Equipment
    • Over 80% Market share of PoE Midspan market
    • Over 33% of PoE PSE IC market, over 200M ports shipped
    • Designed into more than 400 industry-leading PoE switches
  • Key contributor to IEEE 802.3af, 802.3at and 802.3bt
  • Ethernet Alliance member
  • Heading Power over HDBaseT at HDBaseT Alliance
  • N-BaseT Alliance member
  • Cisco Solution Partner

  • PoE Goes Outdoor
    With Microsemi’s industry-leading outdoor PoE solutions, customers can leverage well-known PoE advantages in extreme weather conditions typically associated with microwave point-to-point, small cells, and surveillance camera installations.
  • PoE for Digital Ceiling
    Building an Ethernet infrastructure for IP-based LED luminaires to create energy efficient lighting systems has never been easier. Microsemi recently launched a fanless PoE switch specifically designed for digital ceiling applications.