Wpce773la0dg Datasheet Pdf Better Patched -
| Part Number | Manufacturer | Likely Role / Notes | Source | | :--- | :--- | :--- | :--- | | | Winbond / Nuvoton | The main subject; embedded controller (EC) | | | WPCE775LA0DG | Winbond / Nuvoton | A close sibling; likely a similar EC with differing features | | | WPCE775CA0DG | Winbond | Related EC, possibly a variant with different specifications | | | WPCE755LAODG | Winbond | Another member of the WPCE7 series, also a specialized IC | | | WPCD374LAWFG | Winbond | A different IC; note the different prefix ( WPCD ) and suffix | | | WPCD376HAKFG | Nuvoton | Also different; a distinct chip, likely an HDMI/DVI receiver | |
If your diagnosis leads you to replace this chip, here are essential tips:
The WPCE773 series is a high-performance, low-power embedded controller designed for mobile PC platforms. It serves as the bridge between the hardware and the BIOS/Operating System. It acts as the "brain" for the motherboard's power sequence, ensuring the laptop turns on, stays on, and manages battery charging correctly. wpce773la0dg datasheet pdf better
: It processes the power button trigger signal, coordinates the 3V_S5 and 5V_S5 power rail states, and interacts with power management integrated circuits (PMICs) like the ISL62392 to orchestrate power sequencing.
Because the WPCE773LA0DG controls multi-voltage environments, checking its pin configurations prevents logic level damage. The datasheet highlights: | Part Number | Manufacturer | Likely Role
Understanding this family tree is crucial. If you search for a datasheet for WPCE773LA0DG and end up with one for WPCD376HAKFG , you will have the wrong information.
Commonly found in laptop motherboards (e.g., Apple MacBook Pro A1278/A1286 or Acer models), it manages low-level system tasks like power sequencing, keyboard scanning, and thermal monitoring. Feature Specification Details Manufacturer Winbond / Nuvoton Technology Component Type Super I/O / Embedded Controller (EC) Package QFP-128 (Quad Flat Package, 128 pins) Operating Temp Extended range: -40°C to 105°C (TA) Main Functions Keyboard controller (KBC), power management, BIOS interface Status : It processes the power button trigger signal,
When looking at the datasheet, prioritize these sections to understand how the chip interacts with the laptop:
