Kinetic Technology AS1854

Description

The AS18x4 product family integrates Akros GreenEdge™ Isolationtechnology with next generation Power-over-Ethernet (PoE) PD andpower conversion technology to deliver groundbreaking powerintegration, and enable a new range of Digital Power PoE PDcapabilities and solutions.A Type 1 (IEEE® 802.3af) and Type 2 (IEEE® 802.3at) compliant PDis integrated with high-voltage isolation and quad-output digitalpower DC-DC converters – resulting in a complete PoE & Powermanagement solution in a single device with minimal externalcomponents.In addition to enabling digital PoE power conversion, AkrosGreenEdge™ isolation enables direct digital management of bothisolated Primary power and Secondary system power for real timeend-to-end Green Power application capabilities.

Features

• PoE PD Controller
• Type 1 and Type 2 IEEE® 802.3af & 802.3at Compliant PD
• Automatic PoE-Plus (Type 2) detection in HW andI2C Modes
• Low Resistance PD Power FET Switch (0.5 typical)
• 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 FETtiming 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 Boostplatform applications

Typical applications

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

More information

• Datasheet
• IC product information