The IT8995E-128 is an Embedded Controller (EC) or Super I/O chip manufactured by ITE Tech. Inc., commonly used in laptops and mobile computing devices for low-level system management. Key Features of IT8995E-128
The datasheet for this chip highlights several specialized functions for mobile and industrial computing:
Integrated Functions: Acts as a Keyboard Controller (KBC), handles power management, and performs thermal monitoring and peripheral interfacing.
Memory: Includes 128KB of internal Flash Memory, allowing for firmware storage directly on the chip.
Connectivity: Supports multiple standard interfaces, including LPC, SMBus, I2C, PS/2, and GPIO for communication with other system components.
Package: Housed in a 128-pin LQFP (Low-profile Quad Flat Package), providing high I/O flexibility and efficient heat dissipation.
Programming: The chip often requires programming after being soldered to a motherboard, which can be done via the I2C or keyboard interface.
Safety & Durability: Features built-in electrostatic discharge (ESD) protection and overheating safeguards to ensure long-term reliability. Applications
Laptops and Notebooks: Serving as the primary controller for power sequencing, battery charging logic, and keyboard input.
Industrial Automation: Used in embedded systems where precise control and continuous operation are required.
System Telemetry: Monitoring critical parameters like voltage and temperature to maintain system stability.
For detailed technical specs and pinout diagrams, you can find the datasheet overview on sites like IC Components or Atom Bilgisayar. IT8995E-128/CXA ITE - IC Components
The IT8995E-128 is a high-performance Embedded Controller (EC) and Keyboard Controller (KBC) integrated circuit (IC) developed by ITE Technology. It is primarily found in notebook and laptop motherboards, serving as a critical "Super I/O" chip that manages low-level system functions. Key Specifications & Features
The IT8995E-128 is designed with a specific focus on low power consumption and high integration to reduce the physical footprint on a motherboard.
Package Type: LQFP-128 (Low-profile Quad Flat Package with 128 pins).
Memory: Includes 128KB of internal programmable eFlash (Embedded Flash). Interfaces Supported: LPC (Low Pin Count) interface. SMBus/I2C for communication with peripheral devices. PS/2 for legacy keyboard and mouse support.
GPIO (General Purpose Input/Output) for various system signals.
Safety Features: Built-in electrostatic discharge (ESD) protection and overheating safeguards. Primary Functions in Laptops
As an embedded controller, the IT8995E-128 acts as the "manager" for several essential hardware tasks:
Power Sequencing: Controlling the power-on and power-off cycles of the motherboard.
Keyboard & Touchpad Control: Processing signals from the user's input devices.
Battery Management: Monitoring charge levels and managing charging circuits.
Thermal Monitoring: Regulating fan speeds based on temperature sensor data. Programming and Compatibility
One of the most important aspects for repair technicians is that the IT8995E-128 must be programmed for the specific motherboard model it is being installed on.
Firmware Synchronization: While it may sometimes auto-sync from the main BIOS, it often requires manual programming via the I2C or keyboard connector interface to initiate the system cycle. it8995e 128 datasheet
Version Interchangeability: Revisions like CXA, CXS, DXA, and DXS are often interchangeable depending on the specific motherboard schematic. For example, the IT8995E-128/DX model often allows for both DXA and DXS variants.
Application Examples: This IC is commonly used in Asus motherboards, such as the Asus X407UB Rev 2.0. Repair & Installation Tips
If you are replacing this chip, specialized equipment and skills are required:
Soldering: High-level soldering skills are needed due to the 128-pin high-density layout.
Programming Tools: Technicians typically use a dedicated programmer (like the RT809H or SVOD) to flash the 128KB eFlash with the correct .bin file before or after soldering.
Diagnostic Indicators: Faulty controllers often lead to "no power" issues, dead batteries not charging, or unresponsive keyboards. Go to product viewer dialog for this item.
Ite It8995e-128-dxa It8995e 128 Dxa Tqfp Ec Power Ic Chip Chipset
ITE IT8995E-128/CXA is a specialized Integrated Circuit (IC) known as an Embedded Controller (EC). In modern computing, these chips are the "silent workhorses" that manage critical low-level tasks like power sequencing, keyboard management, and thermal monitoring before the main CPU even wakes up.
Below is a detailed blog post draft based on the technical specifications and operational features of this component.
Unlocking the IT8995E-128: The Silent Workhorse of Modern Motherboards
Have you ever wondered what happens the second you press the power button on your laptop? Before the Windows or macOS logo appears, a tiny but powerful chip—the ITE IT8995E-128 —is already hard at work.
In this post, we’ll dive deep into the datasheet of the IT8995E-128 to understand its role in system management, thermal control, and power efficiency. 1. What is the IT8995E-128? The IT8995E-128 is an Embedded Controller (EC)
manufactured by ITE Tech. It is commonly found in laptop motherboards and compact PC builds. Its primary job is to handle "housekeeping" tasks that would be inefficient for the main processor to manage. 2. Key Technical Specifications
According to its technical documentation, the IT8995E-128 features several "state-of-the-art" capabilities: Pin Configuration:
setup, allowing for extensive Input/Output (I/O) flexibility. Package Type: Typically found in a QFP (Quad Flat Package)
, which is designed for excellent heat dissipation during rigorous operations. Power Consumption:
Engineered for high-speed processing with minimal power draw, making it ideal for battery-dependent devices. 3. Core Features and Functionality
The datasheet highlights several mission-critical functions: Advanced Communication:
It supports sophisticated multi-channel operations and various communication protocols to ensure seamless connectivity between system components. Multi-Voltage Support:
The chip is adaptable to various voltage levels, allowing it to interface with different hardware generations. Robust Signal Integrity:
Enhanced signal integrity is a priority, ensuring that commands (like a keystroke or a power-off signal) are executed without interference. 4. Safety and Reliability
Embedded controllers must be resilient because if they fail, the entire system fails to boot. The IT8995E-128 includes: Built-in Protections: It features integrated electrostatic discharge (ESD) protection overheating safeguards Environmental Resistance:
The chip is designed to withstand vibration and electromagnetic interference (EMI), ensuring a long operational life in mobile environments. Compliance: It meets international quality standards, including RoHS compliance for hazardous materials. Why Does the IT8995E-128 Matter for Repair and Design?
For engineers, the 128-pin layout offers the flexibility needed for sophisticated designs. For repair technicians, identifying this chip is crucial when dealing with "No Power" or "No Boot" issues, as it is often the gatekeeper for the system’s power rails. Need the full technical manual? The IT8995E-128 is an Embedded Controller (EC) or
You can often find detailed schematics and programming guides on ITE Tech’s official website or through authorized distributors like IC-Components programming instructions for this specific IC? IT8995E-128/CXA ITE - IC Components
The IT8995E-128 is a high-performance Embedded Controller (EC) and Keyboard Controller (KBC) integrated circuit (IC) manufactured by ITE Tech. Inc.. It is a critical component commonly found in notebook motherboards, specifically used for managing essential low-level hardware functions and power sequencing. Key Technical Specifications
Architecture: Features an internal 128KB programmable eFlash (Embedded Flash) memory for storing firmware.
Package Type: Housed in a QFP128 (Quad Flat Package) or LQFP-128 leaded structure with 128 pins. Primary Functions: I/O Management: Controls keyboard and touchpad interfaces.
Power Control: Manages system power sequencing and battery charge management.
Thermal Monitoring: Handles temperature sensors and fan speed control.
Compatibility: Revisions like CXA, CXS, and DXA are often interchangeable in motherboard repairs, though confirming specific motherboard schematics is recommended for pin-to-pin accuracy. Application & Sourcing
This controller is widely integrated into ASUS notebook motherboards (such as the X543U and X705UB series). You can find these chips and related technical documentation through retailers and electronic component hubs like IC-Components, Atom Bilgisayar, and Worldway Electronics. IT8995E-128/CXA ITE - IC Components
| Feature | IT8995E-128 | IT8728F (ITE) | NCT6779D (Nuvoton) | |---------|-------------|---------------|--------------------| | Package | LQFP-128 | LQFP-128 | LQFP-128 | | ADC bits | 12-bit | 10-bit | 12-bit | | Fan control | 3 PWM, 4 tach | 4 PWM, 5 tach | 5 PWM, 6 tach | | Infrared | Yes (CIR) | No | Yes | | GPIO count | 64 | 48 | 72 | | Typical application | Industrial MB | Desktop MB | High-end MB |
The IT8995E-128 excels in industrial and embedded applications due to its wide temperature range and high GPIO count.
Hobbyists reverse-engineering old laptops use the datasheet to access GPIO pins for custom projects, such as reading battery status LEDs or adding external sensors.
Search the manufacturer's website or authorized distributor pages for the exact "IT8995E 128" part number datasheet to get detailed electrical characteristics, pinout diagrams, timing tables, full register descriptions, recommended PCB layouts, and application circuits.
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The ITE IT8995E-128 Go to product viewer dialog for this item.
(specifically variants like CXA, CXS, or DXA) is a high-performance Embedded Controller (EC) and Keyboard Controller (KBC) designed by ITE Tech primarily for notebook motherboards. Core Specifications & Features
The device functions as a central hub for managing low-level hardware tasks on a laptop motherboard: Package Type: 128-pin LQFP (Low Profile Quad Flat Package).
Memory: Features 128KB of internal programmable eFlash memory. Key Functions: I/O Management: Handles keyboard and touchpad interfaces.
Power Management: Manages power sequencing and battery charging.
Thermal Monitoring: Controls fan speeds and monitors temperature sensors.
System Wake-up: Supports various system wake-up functions for power management. Technical Details Manufacturer ITE Tech. Inc. Interface Typically interfaces via LPC or eSPI bus Operating Voltage Generally supports 1.8V / 3.3V logic (standard for ITE ECs) Programmability
Yes; often requires pre-programming with EC ROM firmware before installation Variants
CXA, CXS, DXA, and DXS (often interchangeable depending on the motherboard schematic) Application & Repair
This IC is widely used as a replacement part for malfunctioning power or I/O chips in notebook repairs. You can find technical summaries and purchase options from distributors like IC Components and Zeus Mining.
Note: If replacing this chip, ensure you have the correct firmware, as it may not automatically pull code from the BIOS upon assembly. IT8995E-128/CXA ITE - IC Components Video encoding : Supports H
You're looking for a story about the 128 datasheet, but I think you meant to say that you're looking into the "it8995e 128 datasheet".
The IT8295E is a highly integrated, low-power, and cost-effective H.264/H.265 video encoder chip designed for various applications such as IP cameras, NVRs, and other video surveillance products.
Here's a brief overview:
Overview of IT8295E
The IT8295E is a cutting-edge video encoder chip developed by a leading fabless semiconductor company. This chip provides a complete and efficient solution for video encoding, supporting both H.264 and H.265 (HEVC) compression standards. Its high-performance video processing capabilities enable smooth and high-quality video streaming, making it suitable for a wide range of applications.
Key Features of IT8295E
Some key features of the IT8295E chip include:
Potential Applications
The IT8295E chip can be used in various applications, including:
Availability of Datasheet
The datasheet for the IT8295E chip is available from the manufacturer's website or through authorized distributors. The datasheet provides detailed information on the chip's features, specifications, and application notes, which can be useful for designers and engineers developing products based on this chip.
While this article provides a structured overview, you should download the official IT8995E 128 datasheet from:
Final Pro Tip: When searching for "it8995e 128 datasheet PDF", include the revision number (e.g., Rev 1.2) to ensure you get the latest thermal and GPIO mapping. A wrong revision can lead to misconfigured power rails.
Disclaimer: ITE Tech. Inc. owns all trademarks. This article is for educational and repair purposes based on publicly available summarized data. Always adhere to the official datasheet for final design or repair decisions.
The IT8995E-128 is a high-performance Embedded Controller (EC) and Keyboard Controller (KBC) designed by ITE Technology. It is a critical component in modern notebook motherboards, responsible for managing low-level hardware functions that bridge the gap between the motherboard and the operating system. Key Features and Specifications
The controller is housed in a 128-pin LQFP (Low-profile Quad Flat Package), which allows for extensive input/output (I/O) flexibility.
Integrated Memory: Features an internal 128KB programmable eFlash (Embedded Flash) memory for firmware storage.
Package Design: The QFP package provides excellent heat dissipation, ensuring stable performance under heavy operational stress.
Variants & Compatibility: Common revisions include CXA, CXS, and DXA. These are often interchangeable; for example, the CXA or CXS versions can typically be used on motherboards where the schematic specifies an "IT8995E-128/CX" model.
Programmability: Many versions of this chip must be programmed with specific firmware after being soldered onto the motherboard to function correctly, though some may automatically synchronize with the main BIOS. Primary Functions in Notebooks
As a Super I/O (SIO) controller, the IT8995E-128 manages several "mission-critical" background tasks:
Power Management: It controls the motherboard's power sequencing and battery charging cycles.
Input Interfacing: Manages the signals from the keyboard and touchpad.
Thermal Monitoring: Oversees fan speed control and temperature sensors to prevent overheating.
System Communication: Supports advanced communication protocols and ensures signal integrity for the system's internal processes. Technical Application Note
When replacing this chip during repairs, it is vital to verify the specific part number (e.g., IT8995E-128 CXS) to avoid compatibility issues. If the system fails to boot after installation, it likely requires manual firmware programming via the I2C or keyboard connector interface.