LTC4226
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LTC4226

Wide Operating Range Dual Hot Swap Controller

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LTspice LTC4226 Demo Circuit - Dual 12V, 7.6A Ideal Diode and Hot Swap Controller for FireWire Application Download 4.00KB LTspice LTC4226 - Hot Swap Controllers Download 3.56 KB
Part Models 16
1ku List Price Starting From $3.72
Features
  • Allows Safe Board Insertion into Live Backplane
  • Selectable Current Limit and Dual-Rate Timer Accommodate Load Surges
  • Fast Response Limits Peak Fault Current
  • Wide Operating Voltage Range: 4.5V to 44V
  • Optional Auto-Retry or Latchoff after Overcurrent Fault
  • High Side Drive for External N-Channel MOSFET
  • Allows Parallel Power Paths for High Current Applications
  • Available in 16-Pin QFN (3mm × 3mm) and MSOP Packages
Additional Details
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The LTC4226 dual Hot Swap™ controller allows two power paths to be safely inserted and removed from a live backplane or powered connector. Using N-channel pass transistors, supply voltages ranging from 4.5V to 44V are ramped up at an adjustable rate.

Three selectable ratios of current limit to circuit breaker threshold accommodate noisy loads and momentary high peak currents without interruption, while a dual-rate fault timer protects the MOSFET from extended output overcurrent events. FAULT outputs indicate the circuit breaker status.The LTC4226-1 remains off after a fault while the LTC4226-2 automatically retries after a 0.5s delay.

The LTC4226 can also be configured as a bidirectional current limiter/circuit breaker. For high current applications, two channels may be configured as parallel power paths.

Applications

  • Apple FireWire/IEEE 1394
  • Disk Drives
  • Rugged 12V, 24V Applications
  • Hot Board/Connector Insertion
  • Uni/Bidirectional Current Limiter/Circuit Breaker
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Documentation View All Documentation
LTspice LTC4226 Demo Circuit - Dual 12V, 7.6A Ideal Diode and Hot Swap Controller for FireWire Application Download 4.00KB LTspice LTC4226 - Hot Swap Controllers Download 3.56 KB
Part Models 16
1ku List Price Starting From $3.72
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LTC4226

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Data Sheet

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UPDATED 10/25/2012
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LTC4226: Wide Operating Range Dual Hot Swap Controller Data Sheet

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UPDATED 01/09/2013
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LTC4226: 動作範囲の広いデュアル・ホットスワップ・コントローラ データシート

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Reliability Data

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UPDATED 03/26/2018
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Documentation

Documentation

Product Selector Card 1

Hot Swap Controllers

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2017-09-18

MOSFET Failure Protection for Single Output PolyPhase<sup>®</sup> Converter

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ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
LTC4226CMS-1#PBF 16-Lead MSOP external-link
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LTC4226CMS-1#TRPBF 16-Lead MSOP external-link
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LTC4226CMS-2#PBF 16-Lead MSOP external-link
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LTC4226CMS-2#TRPBF 16-Lead MSOP external-link
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LTC4226CUD-1#PBF 16-Lead QFN (3mm x 3mm x 0.75mm w/ EP) external-link
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LTC4226CUD-1#TRPBF 16-Lead QFN (3mm x 3mm x 0.75mm w/ EP) external-link
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LTC4226CUD-2#PBF 16-Lead QFN (3mm x 3mm x 0.75mm w/ EP) external-link
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LTC4226CUD-2#TRPBF 16-Lead QFN (3mm x 3mm x 0.75mm w/ EP) external-link
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LTC4226IMS-1#PBF 16-Lead MSOP external-link
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LTC4226IMS-1#TRPBF 16-Lead MSOP external-link
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LTC4226IMS-2#PBF 16-Lead MSOP external-link
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LTC4226IMS-2#TRPBF 16-Lead MSOP external-link
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LTC4226IUD-1#PBF 16-Lead QFN (3mm x 3mm x 0.75mm w/ EP) external-link
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LTC4226IUD-1#TRPBF 16-Lead QFN (3mm x 3mm x 0.75mm w/ EP) external-link
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LTC4226IUD-2#PBF 16-Lead QFN (3mm x 3mm x 0.75mm w/ EP) external-link
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LTC4226IUD-2#TRPBF 16-Lead QFN (3mm x 3mm x 0.75mm w/ EP) external-link
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Epoxy Change from Henkel 8290 to 8290A for MSOP Package (2)

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Laser Top Mark for 16-Lead MSOP Packages Assembled in ADPG and UTAC

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Epoxy Change from Henkel 8290 to 8290A for MSOP Package (2)

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LTC4226CMS-1#TRPBF

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PCN24_0003_Form

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Feb 4, 2020

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Laser Top Mark for 16-Lead MSOP Packages Assembled in ADPG and UTAC

LTC4226CMS-1#PBF

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LTC4226CMS-1#TRPBF

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LTC4226CMS-2#PBF

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Software & Part Ecosystem

Software & Part Ecosystem

Parts Product Life Cycle Description

Low Voltage Hot Swap Controllers1
LTC4222
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Cart

PRODUCTION

Dual Hot Swap Controller with I2C Compatible Monitoring

PowerPath, Ideal Diodes, and Load Switches1
LTC4228-1
LTC4228-2
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Cart

Dual Ideal Diode and Hot Swap Controller

Evaluation Kit

Evaluation Kits 2

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DC1627A-A

LTC4226CUD-1 Demo Board: Dual Hot Swap Controller with Latch Off

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DC1627A-B

LTC4226CUD-2 Demo Board: Dual Hot Swap Controller with Auto-Retry

Evaluation Kits2

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DC1627A-A

LTC4226CUD-1 Demo Board: Dual Hot Swap Controller with Latch Off
evaluation kit item images

DC1627A-B

LTC4226CUD-2 Demo Board: Dual Hot Swap Controller with Auto-Retry
Tools & Simulations

Tools & Simulations 1

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

To launch ready-to-run LTspice demonstration circuits for this part:

Step 1: Download and install LTspice on your computer.

Step 2: Click on the link in the section below to download a demonstration circuit.

Step 3: If LTspice does not automatically open after clicking the link below, you can instead run the simulation by right clicking on the link and selecting “Save Target As.” After saving the file to your computer, start LTspice and open the demonstration circuit by selecting ‘Open’ from the ‘File’ menu.

spice tool Lt Spice

LTC4226 Demo Circuit - Dual 12V, 7.6A Ideal Diode and Hot Swap Controller for FireWire Application Download

4.00K

spice tool Lt Spice

LTC4226 - Hot Swap Controllers Download

3.56 K

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