W83627HG-AW
| Part Number | W83627HG-AW |
|---|---|
| Manufacturer | Nuvoton Technology Corporation (Winbond) |
| Category | Integrated Circuits (ICs) > Interface – I/O Expanders / Specialized LPC Super I/O |
| Description | High-performance LPC Super I/O controller with integrated hardware monitoring, fan control, keyboard controller, and legacy ports. |
| Stock Status | In Stock |
| Origin | Original Factory |
Product Overview
The W83627HG-AW is a highly reliable, industry-standard Low Pin Count (LPC) Super I/O controller developed by Nuvoton Technology Corporation (formerly Winbond Electronics). Specifically engineered for desktop motherboards, industrial PCs (IPCs), and legacy embedded control boards, this chip integrates essential legacy computing interfaces into a centralized LPC bus infrastructure. It incorporates a fully standard 8042-compatible keyboard/mouse controller, high-speed dual serial communication ports (UARTs), an advanced multi-mode parallel port, and a flexible floppy disk drive interface. Beyond traditional connectivity, the features a robust hardware monitoring block designed to safely sense and track real-time chip temperatures, system supply voltages, and fan rotations, preventing thermal damage in critical computing setups.
Core Advantages
Comprehensive Legacy Interface Integration
Consolidates key heritage system peripherals—including dual serial ports, parallel ports, and PS/2 keyboard/mouse logic—onto a single chip, optimizing space and keeping hardware compatible with older infrastructure software.
Advanced Thermal & Hardware Monitoring
Features onboard voltage comparator networks and thermal sensing nodes that monitor vital motherboard statistics. This enables real-time protection and prevents fatal system overheating.
Precision Smart Fan Control
Equipped with intelligent PWM (Pulse Width Modulation) and DAC-driven fan speed controllers that dynamically scale fan rotation curves relative to active heat generation profiles, striking an optimal balance between low noise and stable cooling performance.
Industrial-Grade Reliability & LPC Architecture
Designed around the low-pin-count interface specification to greatly minimize PCB layout routing traces while ensuring stable signal integrity under severe electrical noise conditions standard in industrial computing environments.
Key Specifications
| Brand | Nuvoton / Winbond |
|---|---|
| RoHS Status | RoHS Compliant / Lead-Free (Halogen-Free Package) |
| EDA/CAD Model | 3D Model & PCB Footprint Available upon request |
| Warranty | 1-Year Standard Factory Warranty |
| Package / Case | LQFP-128 (Low-profile Quad Flat Package) |
| Mounting Type | Surface Mount (SMD/SMT) |
| Surface Marking / Silkscreen | W83627HG-AW Marking |
| Host Bus Interface Type | LPC (Low Pin Count) Interface Specification v1.0 Compliant |
| Serial Ports (UARTs) | 2 Fully Functional 16550-Compatible Serial Ports |
| Parallel Port Support | 1 Multi-Mode Parallel Port (SPP, EPP, ECP Modes supported) |
| Keyboard/Mouse Controller | Integrated 8042-Compatible KBC Engine |
| Hardware Monitor Inputs | Monitors 3 Temperatures, 5 Fan Speeds, and 7 Supply Voltages |
| General Purpose I/O (GPIO) | Up to 48 Programmable I/O Pins |
| Supply Voltage Operating Range | +5V Standby, +5V Main Core, and +3.3V Logic Interface Rails |
| Operating Temperature Range | 0°C to +70°C (Standard Commercial / Stable Embedded Grade) |
Typical Applications
- Industrial Personal Computers (IPCs), Single Board Computers (SBCs), and Slot CPUs
- Commercial Desktop PC Motherboards and Legacy-Compatible Workstations
- Embedded Automation Systems, Point-of-Sale (POS) Machines, and ATM Hardware
- Network Server Management Sub-Panels and Communication Equipment Mainboards
- Legacy Peripherals and Diagnostic Equipment Interfaces requiring Parallel/Serial Connectivity
Order & Shipping Info
| Minimum Order Quantity (MOQ) | 1 Piece |
|---|---|
| Shipping Time | Shipped within 1-2 business days |
| Delivery Time | 3-7 working days worldwide |
| Shipping Methods | DHL, UPS, FedEx, EMS |
| Payment Methods | T/T (Bank Transfer), PayPal, Credit Card, Western Union |
Technical Support
For datasheet, sample requests, stock check, or bulk pricing, please use the Quick Inquiry form. We will reply within 24 hours.
Frequently Asked Questions
Q1: Is your stock inventory of the W83627HG-AW completely genuine and brand new?
A: Yes, we guarantee that all W83627HG-AW Super I/O controllers are 100% genuine and original Nuvoton/Winbond products, properly stored in protective anti-static factory trays with traceable batch codes.
Q2: What is the primary difference between the standard model and the “-AW” suffix variation?
A: The “-AW” suffix indicates a specific revision stepping from Nuvoton. This package version contains improved internal hardware errata fixes, enhanced chip voltage tolerance ranges, and fully green lead-free compliance standards.
Q3: Does the W83627HG-AW support wake-on-LAN and advanced ACPI power management rules?
A: Yes, the component fully interfaces with modern ACPI energy monitoring rules and supports legacy power events including keyboard wakeups, mouse activities, and external interrupt trigger controls.
Q4: How can our engineering group obtain the complete BIOS integration guide and pinout schematics for this part?
A: Please complete the Quick Inquiry web form on this page. Our technical applications engineering department will review your parameters and send the requested developer documentation within 24 hours.

