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SMH4814 - Dual Feed Active-ORing Programmable Hot Swap Controller

Datasheet Summary

Description

The SMH4814 integrated power controller operates within a wide supply range, typically 32 to

72 volts, and generates the signals necessary to drive isolatedoutput DC/DC converters.

48V feeds via input pins FEEDA and FEEDB.

Features

  • AND.

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Datasheet preview – SMH4814

Datasheet Details

Part number SMH4814
Manufacturer Summit Microelectronics
File Size 0.97 MB
Description Dual Feed Active-ORing Programmable Hot Swap Controller
Datasheet download datasheet SMH4814 Datasheet
Additional preview pages of the SMH4814 datasheet.

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Full PDF Text Transcription

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SMH4814 www.DataSheet4U.com Preliminary Information 1 (See Last Page) INTRODUCTION The SMH4814 is an integrated power controller designed to control the hot-swapping of plug-in cards in a distributed power environment. The SMH4814 drives external power MOSFET switches that connect the supply to the load while reducing in-rush current and providing over-current protection. When the source and drain voltages of the external MOSFETs are within specification the SMH4814 asserts the four PUP logic outputs in a programmable cascade sequence to enable the DC/DC converters. The SMH4814 also monitors two independent –48V feeds. The redundant power supplies allow for high availability and reliability.
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