MAX5932

Positive High-Voltage, Hot-Swap Controller

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Status Explanations for product status codes

Active: In Production.

Description

The MAX5932 is a fully integrated hot-swap controller for +9V to +80V positive supply rails. The MAX5932 allows for the safe insertion and removal of circuit cards into a live backplane without causing glitches on the backplane power-supply rail. This device is pin and function compatible to LT1641-1. The MAX5932 features a programmable foldback-current limit. If the device remains in current limit for more than a programmable time, the external n-channel MOSFET latches off. Other features include a programmable undervoltage lockout and a programmable output-voltage slew rate through an external n-channel MOSFET.

The MAX5932 provides a power-good output (PWRGD) to indicate the status of the output voltage. For a variety of PWRGD/PWRGD-bar, latch/autoretry-fault management, autoretry duty-cycle options, refer to the MAX5933 and MAX5934 data sheets.

The MAX5932 operates in the -40°C to +85°C extended temperature range. This device is available in an 8-pin SO package.
 

Data Sheet

Download this datasheet in PDF formatDownload Rev 0 (PDF, 256kB)
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An evaluation kit is available: MAX5932EVKIT

Key Features

  • Pin and Function Compatible with LT1641-1
  • Provides Safe Hot Swap for +9V to +80V Power Supplies
  • Safe Board Insertion and Removal from Live Backplanes
  • Active-High Power-Good Output (PWRGD)
  • Programmable Foldback-Current Limiting
  • High-Side Drive for an External n-Channel MOSFET
  • Undervoltage Lockout (UVLO)
  • Overvoltage Protection
  • Latched Fault Management
  • User-Programmable Supply Voltage Power-Up Rate
 

Applications/Uses

  • 24V/48V Industrial/Alarm Systems
  • Electronic Circuit Breakers
  • Hot Board Insertion
  • Industrial High-Side Switch/Circuit Breakers
  • Network Routers and Switches
   

Diagram

MAX5932: Typical Application Circuit
Typical Application Circuit

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Information Index

Document Ref.: 19-3264 Rev 0; 2004-06-04
This page last modified: 2009-10-07




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