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MAX5922CEUI+

单端口网络电源开关, 局域网供电, 32 V至60 V, TSSOP-28

MAXIM INTEGRATED PRODUCTS MAX5922CEUI+
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制造商产品编号:
MAX5922CEUI+
库存编号
2799161
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产品概述

The MAX5922CEUI+ from Maxim Integrated Products is a +48V, single port network power switch for power over LAN in 28 pin TSSOP package. Designed for power-sourcing equipment in power over LAN applications and is fully compliant to the IEEE 802.3af standard. It provides power devices (PD) discovery, classification, current limit and other necessary functions for an IEEE 802.3af compliant PSE. In midspan mode, a detection collision avoidance circuit provides the necessary back-off timing to prevent fault detections that happen when two different PSEs try to detect and power the same PD. After successfully discovering and classifying a PD it enters start-up mode. During start-up, it limits the output voltage and current slew rate to minimize EMI. Typical applications include power-sourcing equipment (PSE), power-over-LAN/power-over-MDI, computer telephony, single port power and midspan power injector, switches/routers with in-line power.
  • 32V to +60V wide operating input range, 1mA analogue input supply current
  • Operating temperature range from -40°C to 85°C, programmable UVLO and is set to 28V internally
  • 0.45ohm integrated power switch, 100µA PD leakage detection tolerant
  • Enabled detection collision avoidance, selectable PD detection disable
  • Programmable current limit, zero current detection with status output
  • Input logic signals compatible with 1.8V to 5V CMOS logic
  • Separate analogue and digital grounds with up to ±4V offset
  • Overcurrent and overtemperature protection with status outputs
  • Current limit foldback with timeout and duty cycle control
  • Latch or autorestart fault management

应用

信号处理, 通信与网络

警告

Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

产品信息

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:
网络电源开关

:
32V

:
60V

:
TSSOP

:
28引脚

:
-40°C

:
85°C

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-

:
-

:
MSL 1 -无限制
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技术文档 (1)

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CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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CNY71.99 ( CNY81.35  含增值税)

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