Download LTSpice 17 XVII circuit simulator

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Download  LTspice XVII is a high performance SPICE simulation software, schematic capture and waveform viewer with enhancements and models for easing the simulation of analog circuits. Included in the download of LTspice are macromodels for a majority of Analog Devices switching regulators, amplifiers, as well as a library of devices for general circuit simulation.

Linear Technology has announced LTspice XVII , a major update to its free SPICE circuit simulation software LTspice/SwitcherCADIII. LTspice IV features multithreaded solvers designed to better utilize current multicore processors. Also included are new SPARSE matrix solvers that deploy assembly language in order to approach the theoretical flop limit of current FPUs (floating point units). LTspice IV speeds up the simulation speed of medium- to large-sized circuits by a factor of three on a quad-core.

Download Ltspice 17 Xvii Circuit Simulator
Download Ltspice 17 Xvii Circuit Simulator

Parallel processing has been a long-standing challenge for SPICE simulators. LTspice IV implements proprietary methods that efficiently implement parallel tasks that would require as little as 5us to run single-threaded.

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LTspice IV also includes integrated schematic capture and waveform viewing. While it has been associated with switch-mode power design (it ships with over 1000 models of switch-mode regulators and controllers), LTspice IV is not an SMPS-specific SPICE program but rather a general-purpose SPICE that includes new spice components so it is fast enough to interactively simulate SMPSs. LTspice IV is not artificially limited by component or node count.

LTspice IV is a high performance Spice III simulator, schematic capture and waveform viewer with enhancements and models for easing the simulation of switching regulators. Our enhancements to Spice have made simulating switching regulators extremely fast compared to normal Spice simulators, allowing the user to view waveforms for most switching regulators in just a few minutes. Included in this download are Spice, Macro Models for 80% of Linear Technology’s switching regulators, over 200 op amp models, as well as resistors, transistors and MOSFET models.

Download LTspice
Download our LTspice simulation software for the following operating systems:

Date models updated – Dec 19 2021

Download for Windows 7, 8, and 10 32-bit Version 17.0.32

Download for Windows 7, 8, and 10 64-bit Version 17.0.32

Download for MacOS 10.10 and forward Version 17.0.38

Download for MacOS 10.9 (End of Support)

Download for Windows XP (End of Support)

Documentation

Additional support for LTspice can be found within our documentation, including keyboard shortcuts and a visual guide.

LTspice Information Flyer & Shortcuts (PDF)
Mac OS X Shortcuts (PDF)
LTspice Getting Started Guide (PDF)

LTspice Demo Circuits

Explore ready to run LTspice demonstration circuits with our Demo Circuits Collection. View More
LTspice Technical Articles & Videos

Our extensive collection of technical resources tackles a wide range of LTspice topics, like keyboard shortcuts, evaluating electrical quantities, and parametric plots.

View our Technical Articles
View our Technical Videos

LTspice Seminars

>View Upcoming LTspice Seminars

SPICE Models

A collection of SPICE simulation models for Analog Devices’ products. View More

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Xtronic.org blog author. Electronics technician for the technical school of Brasilia - Brazil. Interested in electronics, circuits and technology in general.
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