The Nuvoton WPCE773LA0DG is a frequent point of failure in laptops experiencing power anomalies or liquid damage. Common Symptoms of a Faulty EC:
Download Verified WPCE773LA0DG Datasheet PDF
Rated for an extended operating temperature of -40°C to 105°C .
Features dedicated hardware logic to parse keyboard matrix grids, trackpad inputs, and bridge legacy hardware components to the modern LPC interface bus.
The WPCE773LA0DG is typically an Embedded Controller (EC) / Super I/O chip, often manufactured by Nuvoton (or Winbond). When posting, ensure the file you are linking to is actually a PDF and not an .exe file disguised as a datasheet, as "verified" implies you have checked it for safety.
The WPCE773LA0DG was used extensively in many popular mid-to-late 2000s laptop models. Verified field sources show it is found in: