AS1860

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

  • Digitally Isolated Programmable Power
  • 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 AS1860
  • AS1860 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
  • Local-power operation down to 9.5V

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
  • Outputs #2 & #3: Buck Regulators w/2A FETs
  • Output #4: DC-DC Controller for Buck, Boost, or LED Boost platform applications

Key Applications

  • Voice-over-IP (VoIP) phones
  • Wireless LAN & WiMAX access points (WAP)
  • Pan, Tilt, Zoom (PTZ) Cameras, IP cameras
  • Thin-client and notebook computers
  • Fiber-to-the-home (FTTH) terminals
  • Point-of-sale (PoS) terminals, RFID readers