Tl494 Ltspice
Open the component selector () and select your .asy file to place the IC on the schematic. 2. Core Simulation Features
Copy and paste this into the LTspice schematic window: tl494 ltspice
: Ensure this pin is tied to GND for maximum duty cycle or biased with a voltage to set a specific dead-time, otherwise, the PWM may not start [8, 15]. Wait for Stabilization Open the component selector () and select your
You can create the following circuit in LTspice: Wait for Stabilization You can create the following
Sweep the voltage at pin 4 from 0V to 3V using .step param V_DT 0 3 0.5 . Watch the maximum duty cycle drop from 96% to 0%. This is invaluable for transformer-based designs like push-pull or forward converters.
: Look for "unofficial" models on community forums like Groups.io LTspice or GitHub . File Placement : Place TL494.asy in your LTspice/lib/sym/Misc folder. Place TL494.sub in your LTspice/lib/sub folder.