AS1844

AS1854/44/34/24 — Digital Power PoE PD Controllers with HV Isolation and Quad DC-DC Outputs GENERAL DESCRIPTION The AS18x4 product family integrates Akros GreenEdge™ Isolation technology with next generation Power-over-Ethernet (PoE) PD and power conversion technology to deliver groundbreaking power integration, and enable a new range of Digital Power PoE PD capabilities and solutions. A Type 1 (IEEE® 802.3af) and Type 2 (IEEE® 802.3at) compliant PD is integrated with high-voltage isolation and quad-output digital power DC-DC converters – resulting in a complete PoE & Power management solution in a single device with minimal external components. In addition to enabling digital PoE power conversion, Akros GreenEdge™ isolation enables direct digital management of both isolated Primary power and Secondary system power for real time end-to-end Green Power application capabilities. TYPICAL 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 ORDERING INFORMATION The AS18x4 family includes four pin-compatible devices, all available in 64-lead QFN Reduction of Hazardous Substance (RoHS) compliant packages. Part # Type 1 Type 2 Hardware PD PD Mode AS1824* x x AS1834* x x AS1844* x x x AS1854* x x x * Industrial Temperature Range, -40°C to 85°C Software Mode x x Pwr I...