How do I configure a TL494 to limit peak current?
The TL494 datasheet is a great source of information, but another useful document is SLVA001E, "Designing Switching Voltage Regulators With the TL494 (Rev. E)". That application report describes building a 5V, 10A power supply with the TL494 including the current limiting section.

And as always, looking at the "Technical documents" section of a TI product page will show any additional documents that can be useful in implementing a solution using the device in question.