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LTC4281CUFD#PBF

Hot Swap Controller 1-CH 33V 28-Pin QFN EP Tube

Manufacturer : Analog Devices, Inc
Package/Case : QFN-28P
Product Categories : Battery Management
Datasheet: LTC4281CUFD#PBF Datasheet (PDF)
RoHs Status: Pb-free Halide free
In-stock: 1

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LTC4281CUFD#PBF Product Details

The LTC4281CUFD#PBF Hot Swap controller allows a board to be safely inserted and removed from a live backplane. Using an external N-channel pass transistor, board supply voltage and inrush current are ramped up at an adjustable rate. An I2C interface and onboard ADC allows for monitoring of board current, voltage, power, energy and fault status.

The device features analog foldback current limiting to limit the MOSFET power to a constant value. A wide input voltage operating range comfortably allows applications from 2.9V to 33V.

The LTC4281CUFD#PBF is well suited to high power applications because the precise monitoring capability and accurate current limiting reduce the extremes in which both loads and power supplies must safely operate. Non-volatile configuration allows for flexibility in the autonomous generation of alerts and response to faults.

Feature

  • Allows Safe Board Insertion Into Live Backplane
  • 12-/16-Bit ADC with ±0.7% Total Unadjusted Error
  • Monitors Current, Voltage, Power and Energy
  • Internal EEPROM for Nonvolatile Configuration
  • Wide Operating Voltage Range: 2.9V to 33V
  • I2C/SMBus Digital Interface (Coexists with PMBus Devices)
  • 12V Gate Drive for Lower MOSFET RDS(ON)
  • Programmable Current Limit with 2% Accuracy
  • MOSFET Power Limiting with Current Foldback
  • Continuously Monitors MOSFET Health
  • Stores Minimum and Maximum Measurements
  • Alerts When Alarm Thresholds Exceeded
  • Reboots on I2C Command
  • Input Overvoltage/Undervoltage Protection
  • Three General Purpose Input/Outputs
  • Internal ±5% or External Timebases
  • 28-Pin 4mm × 5mm QFN Package

Applications

  • Enterprise Servers and Data Storage Systems
  • Network Routers and Switches
  • Base Stations
  • Platform Management

Technical Parameters

  • Type
  • Hot Swap Controller
  • Number of Channels
  • 1
  • Internal Switch(s)
  • No
  • Applications
  • General Purpose
  • Features
  • OVP, UVLO
  • Programmable Features
  • Current Limit
  • Voltage Supply
  • 2.9V ~ 33V
  • Operating Temperature
  • 0??C ~ 70??C
  • Current Supply
  • 3.5mA
  • Mounting Type
  • Surface Mount
  • Package / Case
  • 28-WFQFN Exposed Pad
  • Supplier Device Package
  • 28-QFN (4x5)

LTC4281CUFD#PBF Datasheet

  • LTC4281 Technical Documentation/Data sheet
    Download

LTC4281CUFD#PBF Related Products

Ratings and Reviews (1)

  • 5 / 5
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  • 4 Stars 0%
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  • 1 Stars 0%
  • **oach***
    2019-08-18

    Alles Super immer wieder!!!

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Analog Devices, Inc

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Analog Devices, Inc. was founded by two MIT graduates, Ray Stata and Matthew Lorber in 1965. The same year, the company released its first product, the model 101 op amp, which was a hockey-puck sized module used in test and measurement equipment. In 1967, the company published the first issue of its...
Analog Devices, Inc

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