AS1891 60/90W PoE PD Controller

GreenEdge™ 60/90W PoE PD Controller with HV Isolation, Quad DC-DC Outputs with I2C based Management & Diagnostics

Now Obsolete – Please Contact us for possible alternatives

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Product Documents

PoE PD Controller

  • Fully Integrated 60/90W PD controller
  • Backwards compatible with Type 1 and Type 2 IEEE® 802.3af/at Compliant PD
  • 60/90W power up can be controlled by PSE or AS1891
  • AS1891 will control safe 60/90W delivery from “Dumb” sources
  • 4-pair power detection & secondary side logic notification
  • Automatic Type 1, Type2 & 60W PoE detection in HW & I2C Modes

Primary-Side DC-DC Controller

  • High-efficiency DC-DC Controller with Digital Optimization
  • Primary-Secondary High-voltage integrated Digital Isolation
  • Programmable Primary Clock Frequency

Secondary-Side Power Outputs

  • Programmable PWM Frequencies synched to External Clock
  • Output #1: Sync Controller with programmable power-FET timing for high efficiency at both light and full load

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