WPCE773LA0DG is an Embedded Controller (EC) / Super I/O (SIO) chip manufactured by Nuvoton Technology
(formerly Winbond). It is a critical component in laptop motherboards, responsible for managing low-level hardware functions before and during the system's power-on state. ariat-tech.com Verified Technical Specifications Manufacturer Nuvoton Technology Corporation America (Winbond) Part Number WPCE773LA0DG Package / Case QFP-128 (Quad Flat Package with 128 pins) Logic ICs / Processors / Microcontrollers Operating Temperature -40°C to 105°C (Extended Range) Programmability Non-programmable logic IC (often works in tandem with BIOS) Solder Melting Point Lead-free: 217°C (Reflow best at 235°C–245°C) Core Functions in Laptops
The WPCE773LA0DG acts as the motherboard's "gatekeeper," managing tasks that do not require the main CPU to be active: Power Management:
Handles the power-up sequence, ensuring various voltage rails (like 3.3V and 5V) are stable before releasing the CPU from reset. Keyboard Control:
Translates physical key presses into signals the OS can understand (Legacy Keyboard Controller / KBC). Thermal Monitoring:
Communicates with temperature sensors to control fan speeds and trigger emergency shutdowns if overheating occurs. Battery Charging:
Manages the charging circuit, monitoring battery levels, and communicating with the AC adapter. Troubleshooting and Repair Tips
If a laptop is "dead" (won't power on) or has malfunctioning peripherals, the WPCE773LA0DG is a primary suspect. Dead Motherboard:
If the laptop has 19V at the charging port but lacks 3.3V/5V "always-on" rails, the EC chip may be failing to signal the power ICs. Replacement Hazards:
When replacing this chip, ensure you use the correct temperature profile. Overheating during soldering can kill the new chip, while under-heating will lead to cold solder joints and intermittent failure. Fake Threat:
There is a moderate risk (approx. 34%) of "fake" or salvaged parts in the open market; sourcing from verified distributors like Ariat Tech Win-Source is recommended. Verified Datasheet & Schematic Access
While full datasheets are often restricted to manufacturers (OEMs), you can find technical snippets and partial schematics through:
What is WPCE773LA0DG? WPCE773LA0DG appears to be a part number, likely from a specific manufacturer. Unfortunately, without more context, it's challenging to determine the exact device or component.
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Headline: Datasheet Verified: WPCE773LA0DG Controller Specifications Now Available
Content: We have recently updated our database to include the verified datasheet for the WPCE773LA0DG. For engineers and procurement specialists working with legacy laptop motherboards or embedded systems, accuracy is key.
Why verification matters: Many third-party datasheet aggregators host corrupted or incomplete files. Our team has cross-referenced this PDF against the manufacturer's archives to ensure the pinout diagrams and voltage tolerances are 100% accurate.
The WPCE773LA0DG is widely used in computing platforms for power management and keyboard scanning functions.
[Download the Verified WPCE773LA0DG Datasheet Here]
Title: Download Verified WPCE773LA0DG Datasheet PDF
Content: Are you looking for the official datasheet for the WPCE773LA0DG microcontroller? Many generic datasheet sites host incorrect or broken files for this component. We have verified this specific PDF to ensure it matches the WPCE773LA0DG part number and contains the correct technical specifications.
What is inside this datasheet?
This verified document is essential for engineers and technicians performing circuit analysis or firmware development.
[Click here to download the verified WPCE773LA0DG PDF]
Note regarding the part: 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.
Finding a verified datasheet for legacy components like the WPCE773LA0DG can be a challenge, especially as manufacturers like Winbond and Nuvoton transition their product lines. This article provides a comprehensive look at this specific integrated circuit, its core specifications, and where to find the most reliable documentation. What is the WPCE773LA0DG?
The WPCE773LA0DG is a highly integrated System-on-Chip (SoC) and Super I/O controller, primarily manufactured by Winbond Electronics and later supported by Nuvoton Technology following their acquisition of certain Winbond product lines.
Categorized under Processors / Microcontrollers, it is commonly found in laptop motherboards and embedded systems where it handles low-level hardware management tasks. Core Technical Specifications
Based on verified technical summaries, here are the primary characteristics of the WPCE773LA0DG:
Package Type: Available in a QFP-128 (Quad Flat Package with 128 pins).
Operating Temperature: Specified for an extended range of -40°C to 105°C (TA), making it suitable for both commercial and industrial environments.
Functionality: Acts as a Super I/O or Embedded Controller (EC), managing power sequences, keyboard interfaces, and system monitoring. WPCE773LA0DG is an Embedded Controller (EC) / Super
Manufacturer: Originally produced by Winbond Electronics, often listed under Nuvoton Technology Corporation America in modern databases. How to Access the Verified Datasheet PDF
When searching for a "verified" datasheet, it is important to use reputable electronic component distributors and archives.
Direct Download: You can find technical documentation and request quotes through the Ariat-Tech Datasheet Portal.
Archive Search: For older revisions or full pinout diagrams, the Datasheet Archive often contains contextual schematics (such as the Wistron mobile laptop designs) where this chip is used.
Procurement Sites: Sites like Win Source and Jotrin Electronics provide technical parameters and stock status for the WPCE773LA0DG. Application & Use Cases
The WPCE773LA0DG is a staple in mobile computing architecture from the late 2000s and early 2010s. You will most frequently encounter it in:
Laptop Repair: It often serves as the "Keyboard Controller" or "EC Chip" on motherboards for brands like Dell, HP, and Acer.
Industrial Boards: Due to its wide temperature tolerance, it is used in ruggedized embedded systems.
System Monitoring: It manages thermal sensors, fan speeds, and the power-on sequence for the main CPU. Important Safety and Authenticity Note
Current market data suggests a moderate fake threat (approx. 34%) for this specific part number in the open market. When purchasing a replacement for a repair, ensure you are buying from a verified distributor that offers a functional warranty. WPCE773LA0DG - The Datasheet Archive
The WPCE773LA0DG is an advanced I/O (Input/Output) controller chip, primarily manufactured by Winbond Electronics (often associated with Nuvoton Technology Corporation following the acquisition of Winbond’s Logic IC business). This component is a critical part of modern computing hardware, specifically found in laptop motherboards and mobile computing systems. Key Technical Specifications
The following technical details are commonly found in the WPCE773LA0DG datasheet: Manufacturer: Winbond / Nuvoton Technology
Package Type: 128-pin Quad Flat Package (QFP-128 / TQFP-128) Operating Temperature Range: Extended range from TAcap T sub cap A
Functionality: Served as a Logic Integrated Circuit, specifically an I/O Controller or Embedded Controller (EC). Compliance: Lead-free and RoHS compliant. Functional Overview
This chip acts as a gateway for various hardware peripherals. In typical system designs, it manages:
Power Sequencing: Coordinating the startup and shutdown phases of the CPU and secondary power rails.
Keyboard & Touchpad Interface: Processing user inputs before they reach the main processor.
Thermal Monitoring: Communicating with sensors to manage fan speeds and prevent overheating. Verification and Market Status Manufacturer Search : Try searching for the part
The WPCE773LA0DG is considered a low-popularity component with limited current supply, often appearing in the "obsolete" or "hard-to-find" categories.
Fake Threat: Market analysts from WIN SOURCE note a moderate fake threat (approx. 34%) in the open market, making it essential to source "verified" units from reputable distributors.
Repair Context: It is frequently used by repair centers for motherboard-level fixes on older laptop models (e.g., Wistron-based schematics). Sourcing Verified Datasheets
For engineers or technicians needing precise pinouts or circuit diagrams, verified documentation can be found through authorized electronic component distributors: Ariat Tech: Provides detailed stock info and PDF downloads.
Datasheet Archive: Useful for finding the chip's context within larger system schematics.
Veswin: Offers technical parameters and availability for industrial and commercial users. WPCE773LA0DG WINBOND IO CHIPSET
WPCE773LA0DG is an Embedded Controller (EC) and Super I/O chipset manufactured by Winbond Electronics Corporation
(now part of Nuvoton Technology). It is widely used in laptop motherboards, such as the Apple MacBook Pro A1286, to manage low-level system functions. ariat-tech.com Core Specifications Manufacturer: Winbond / Nuvoton Technology Corporation America. Package Type: (128-pin Quad Flat Package). Device Category: Integrated Circuits (ICs) / Processors / Microcontrollers. Operating Temperature: Extended range from -40°C to 105°C cap T sub cap A Lead-Free Status: RoHS Compliant. ariat-tech.com Functional Roles
As a Super I/O and Embedded Controller, this chip typically manages: Power Sequencing:
Coordinating the power-up states of various system components. Keyboard & Touchpad Control: Interfacing between user inputs and the main processor. Thermal Monitoring:
Communicating with sensors to manage fan speeds and prevent overheating. BIOS/EFI Firmware Management:
Often paired with firmware stored in external flash memory to initialize the system. System Integration Examples
The WPCE773LA0DG is found in several historic hardware designs, including: Apple MacBook Pro (A1286): Specifically used on logic boards like the 820-2532-A (2008 model). Intel-based Motherboards:
Integrated with chipsets like the Intel Cantiga-GM and ICH9M. Wistron Project Codes: Frequently appeared in designs such as the (Project 91.4CQ01.001). Verified Datasheet Resources
While full manufacturer datasheets are often restricted to authorized partners, verified technical summaries and pinout information are available through reputable component databases: Ariat-Tech Datasheet Portal
: Provides basic technical information and stock availability. The Datasheet Archive
: Contains block diagrams and contextual schematics for various board implementations. Veswin Component Database
: Lists detailed availability, equivalents, and basic electrical parameters. ariat-tech.com replacement equivalents for a particular motherboard repair? WPCE773LA0DG Datasheets - ariat-tech.com
Quantity Available. 1006 pcs in stock. Datasheets. Info@ariat-tech.com. Technical Information of WPCE773LA0DG. New Original Stock. ariat-tech.com WPCE773LA0DG - The Datasheet Archive
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