In March 2017, Linear Technology merged into Analog Devices. At any time, a user can manually update LTspice by choosing "Sync Release" from the "Tools" pulldown menu.įrom the "Help" pulldown menu, "Show Change Log" displays a list of every SPICE model and software change since LTspice XVII was first released. Įvery month, Analog Devices releases SPICE models and/or software updates. Add schematic thumbnail and preview support on Microsoft Windows.Add user-defined symbol and library directory search path settings to the LTspice control panel.Add device equations for IGBT, diode soft recovery, arbitrary state machine.Add Unicode characters in schematics, netlists, plot.Summary of major changes from LTspice IV to LTspice XVII are: It is designed to run on 32-bit or 64-bit editions of Windows 7, 8, 8.1, 10, and macOS 10.9+. In 2016, LTspice XVII was released, and is currently the latest version. A native Apple macOS 10.7+ application was introduced in 2013. LTspice was originally called SwitcherCAD, but that name was removed when IV was released. Though IV is still available for download, it is no longer maintained. It is designed to run on Windows 2K, XP, Vista, 7 with a processor that contains a minimum instruction set similar to a Pentium 4 processor. Originally, LTspice/SwitcherCAD ran only on Microsoft Windows platforms, but since 2003 it is able to run under the Wine Windows compatibility layer on Linux. In June 2001, it was released for public downloading from the Linear Technology website. Initially, LTspice III was internally released to Linear Technology's Field Application Engineers (FAE) in October 1999, who then gave it away during customer visits via CDROM media. This version is no longer available for download from Analog Devices.
It is designed to run on Windows 95, 98, 98SE, ME, NT4.0, 2K, XP.
In 1999, LTspice III was released, the first public release.
It is used by many users in fields including radio frequency electronics, power electronics, audio electronics, digital electronics, and other disciplines. While LTspice does support simple logic gate simulation, it is not designed specifically for simulating logic circuits.
LTspice does not generate printed circuit board (PCB) layouts, but netlists can be exported to PCB layout software. It has enhancements and specialized models to speed the simulation of switched-mode power supplies (SMPS) in DC-to-DC converters. Heat dissipation of components can be calculated and efficiency reports can also be generated. Circuit simulation analysis based on transient, noise, AC, DC, DC transfer function, DC operating point can be performed and plotted as well as fourier analysis. LTspice provides schematic capture to enter an electronic schematic for an electronic circuit, an enhanced SPICE type analog electronic circuit simulator, and a waveform viewer to show the results of the simulation.
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