Below is a functional SPICE model for the TL494 that can be used in LTspice. Copy the text below and save it as a file named TL494.sub in your LTspice library folder (typically C:\Users\<User>\Documents\LTspiceXVII\lib\sub ).
: A pulse-steering flip-flop that enables either push-pull or single-ended operation. Simulating in LTspice
(This is a simplified block; full models require flip-flop logic for push-pull mode) tl494 ltspice
Simulating power controllers often reveals discrepancies between the "ideal" digital logic and "real-world" analog behavior. Output Voltage Swings
Provides a variable, non-overlapping minimum dead-time to safeguard external switching transistors against cross-conduction. Below is a functional SPICE model for the
.subckt TL494 VCC GND RT CT DTC FB1 FB2 OUT1 OUT2
values for a specific frequency, or if you would like an example schematic for a topology. Share public link Simulating in LTspice (This is a simplified block;
Have you simulated the TL494 in LTSpice? Share your convergence tricks and custom models in the comments below.
To verify that your newly integrated model functions smoothly, construct a basic open-loop test bench:
COMP pin compensation C_COMP COMP 0 0.1uF R_COMP COMP FB 10K