max5971a ieee 802.3af/at-compliant, single-port pse controller with integrated mosfet delivers up to 40w to pds
40w, single-port pse controller integrates mosfet for high-power applications.
maxim's new pse controller integrates a power mosfet and sense resistor to save space and cost, while delivering up to 40w to high-power pds.
sunnyvale, ca—may 12, 2010—maxim integrated products (nasdaq: mxim) introduces the max5971a single-port, power-sourcing equipment (pse) controller for ieee® 802.3af/at-compliant, high-power, power-over-ethernet (poe+) applications. this device integrates a 0.5ω power mosfet and sense resistor to save space and cost, while delivering up to 40w/port for powered devices (pds) such as ip phones, ip cameras, wireless lan access points, and video surveillance cameras.
the max5971a is fully compliant with the ieee 802.3af and ieee 802.3at standards. the device operates from 32v to 60v and provides ieee 802.3af/at-compliant pd discovery, classification, and dc/ac load-disconnect detection. class 5 and two-event classification are supported for detection and classification of high-power pds. the max5971a is also capable of detecting legacy (noncompliant) pds that use high capacitance as the discovery signature.
the max5971a operates autonomously without the need for host processor intervention or software, thus saving processor overhead. other features include: input undervoltage-lockout (uvlo) detection, input overvoltage detection, an led-status indicator, overtemperature protection, and output voltage slew-rate limiting during startup.
the max5971a is available in a 28-pin tqfn package, and is fully specified over the -40°c to +85°c extended temperature range. prices start at $2.52 (1000-up fob usa). production samples and evaluation kits are available to speed designs.
maxim integrated products is a publicly traded company that designs, manufactures, and sells high-performance semiconductor products. the company was founded over 25 years ago with the mission to deliver innovative analog and mixed-signal engineering solutions that add value to its customers' products. to date, it has developed over 6300 products serving the industrial, communications, consumer, and computing markets.
关于光伏监控系统在光伏电站运营中的作用及发展
用于低温锂离子电池的超润湿性高电压LiCoO2
关于Labview编程工具面板介绍
压电电机马达是什么,它的分类有哪些
土壤墒情监测系统是一种能对土壤墒情进行监测的仪器
MAX5971A IEEE 802.3af/at-compl
关于MATLAB安装树莓派硬件支持包并实现手机远程控制的可能性分析介绍
英创信息技术网络接口(RJ45)布线设计简要说明
台积电面临挑战多 半导体循环周期不乐观
Oculus:3A级VR游戏《Asgard’s Wrath》即将上线
晶体管和三极管有什么区别
联想拯救者Y9000K 2020款信息披露,将会搭载15.6英寸屏幕
湖南3亿美元建造集成电路产业“航母”
【服务器数据恢复】Linux环境下RAID6数据恢复案例
SysTick与HAL_Delay的关系与注意事项
RTX2070Super显卡外观照曝光 依然是公版煤气灶风格的散热系统
准备买平板的快快住手!苹果10.5英寸新iPad Pro无边框将闪耀登场
现代温湿度传感器的原理与结构分析
可以用Micro bit DIY制作智能小风扇
锁相放大器设计