LTC4232

RECOMMENDED FOR NEW DESIGNS

LTC4232

5A Integrated Hot Swap Controller

RECOMMENDED FOR NEW DESIGNS

12V, 5A Card Resident Application with Auto-Retry slide

12V, 5A Card Resident Application with Auto-Retry

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Part Models 4

1ku List Price Starting From $4.01

Features

Allows Safe Board Insertion into a Live Backplane
Small Footprint
33mΩ MOSFET with R_SENSE
Wide Operating Voltage Range: 2.9V to 15V
Adjustable, 10% Accurate Current Limit
Current and Temperature Monitor Outputs
Overtemperature Protection
Adjustable Current Limit Timer Before Fault
Power Good and Fault Outputs
Adjustable Inrush Current Control
2% Accurate Undervoltage and Overvoltage Protection
Pin Compatible with LTC4217 (DFN Package Only)
Available in 16-Lead 5mm × 3mm DFN Package

Additional Details

The LTC4232 is an integrated solution for Hot Swap applications that allows a board to be safely inserted and removed from a live backplane. The part integrates a Hot Swap controller, power MOSFET and current sense resistor in a single package for small form factor applications.

The LTC4232 provides separate inrush current control and a 10% accurate 5A current limit with foldback current limiting. The current limit threshold can be adjusted dynamically using an external pin. Additional features include a current monitor output that amplifies the sense resistor voltage for ground referenced current sensing and a MOSFET temperature monitor output. Thermal limit, overvoltage, undervoltage and power good monitoring are also provided. For a 2A pin compatible version, see LTC4217.

The LTC4232-1 (separate data sheet) allows faster turn-on than the LTC4232 by providing 16ms debounce delay and external control of the GATE ramp rate.

Applications

RAID Systems, Solid State Drives
Server I/O Cards
Industrial

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Ask a Question

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Support

Analog Devices Support Portal is a one-stop shop to answer all your ADI questions.

Visit the ADI Support Page

Ask the ADI community for help.

Ask the EngineerZone Community

FAQs

Sales & Ordering FAQs

Part Models 4

1ku List Price Starting From $4.01

Technical Documents 3

LTC4232: 5A Integrated Hot Swap Controller Data Sheet 01/21/2016

R536 Reliability Data 03/26/2018

DC1886A - Demo Manual 04/20/2012

Reference Materials 1

Hot Swap Controllers 08/02/2023

Design Resources 4

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
LTC4232CDHC#PBF	16-Lead DFN (5mm x 3mm w/ EP)	HTML Material Declaration HTML Reliablity Data	Ultra Librarian SamacSys
LTC4232CDHC#TRPBF	16-Lead DFN (5mm x 3mm w/ EP)	HTML Material Declaration HTML Reliablity Data	Ultra Librarian SamacSys
LTC4232IDHC#PBF	16-Lead DFN (5mm x 3mm w/ EP)	HTML Material Declaration HTML Reliablity Data	Ultra Librarian SamacSys
LTC4232IDHC#TRPBF	16-Lead DFN (5mm x 3mm w/ EP)	HTML Material Declaration HTML Reliablity Data	Ultra Librarian SamacSys

LTC4232CDHC#PBF
Pin/Package Drawing
16-Lead DFN (5mm x 3mm w/ EP)
Documentation

HTML Material Declaration

HTML Reliablity Data

CAD Symbols, Footprints, and 3D Models
Ultra Librarian
SamacSys

LTC4232CDHC#TRPBF
Pin/Package Drawing
16-Lead DFN (5mm x 3mm w/ EP)
Documentation

HTML Material Declaration

HTML Reliablity Data

CAD Symbols, Footprints, and 3D Models
Ultra Librarian
SamacSys

LTC4232IDHC#PBF
Pin/Package Drawing
16-Lead DFN (5mm x 3mm w/ EP)
Documentation

HTML Material Declaration

HTML Reliablity Data

CAD Symbols, Footprints, and 3D Models
Ultra Librarian
SamacSys

LTC4232IDHC#TRPBF
Pin/Package Drawing
16-Lead DFN (5mm x 3mm w/ EP)
Documentation

HTML Material Declaration

HTML Reliablity Data

CAD Symbols, Footprints, and 3D Models
Ultra Librarian
SamacSys

Alternative Parts 3

Parts	Product Life Cycle	Description
LTC4217	RECOMMENDED FOR NEW DESIGNS	2A Integrated Hot Swap Controller
LTC4232-1	RECOMMENDED FOR NEW DESIGNS	5A Integrated Hot Swap Controller
LTC4233	RECOMMENDED FOR NEW DESIGNS	10A Guaranteed SOA Hot Swap Controller

DC1886A

LTC4232IDHC Demo Board | 5A Integrated Hot Swap Controller with 100ms Turn-On Delay

DC1886A

LTC4232IDHC Demo Board | 5A Integrated Hot Swap Controller with 100ms Turn-On Delay

Buy Now View Details

Product Detail

DC1886A: Demo Board for the LTC4232 5A Integrated Hot Swap Controller.

Resources

PDF

DC1886A - Schematic

34.00K

ZIP

DC1886A - Desgin Files

567.00K

PDF

DC1886A - Demo Manual

276.00K

DC1886A

LTC4232IDHC Demo Board | 5A Integrated Hot Swap Controller with 100ms Turn-On Delay

LTspice 2

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.