| Parameter | Specification | |-----------|----------------| | Package Type | LQFP-128 (Low-profile Quad Flat Package) | | Operating Voltage | 3.3V ± 5% (with 5V tolerant I/Os) | | Core Function | Super I/O with Embedded Controller (EC) | | Host Interface | LPC (Low Pin Count) bus up to 33 MHz | | GPIO Pins | Up to 64 programmable GPIOs | | Temperature Range | -20°C to +85°C (Industrial grade) | | Power Management | ACPI 6.0 compliant, Sleep states S0–S5 |
: This signal must register 3.3V . If it reads 0V, the EC assumes the laptop lid is closed and ignores the power button.
Due to its high-density 128-pin Quad Flat Package, replacing the IT8995E requires precise surface-mount soldering skills. Repair operations must observe proper thermal profiles: it8995e 128 datasheet
The IT8995E-128 is configured via LPC bus I/O mapping. The base address (default 0x2E/0x2F) is set by the BIOS. Key configuration registers include:
The IT8995E-128 acts as a key power IC chip, managing power sequencing during boot-up and shutdown, ensuring components receive voltage in the correct order. B. Thermal Control Repair operations must observe proper thermal profiles: The
The primary electrical and physical parameters found across technical spec sheets include: Specifications & Details
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Below is a breakdown of its core technological features:
: Output from the EC to the PCH, mirroring the power button press to wake the chipset. it8995e 128 datasheet
Battery charge path negotiation and SMBus battery telemetry verification 2. Keyboard & Human Interface Device (HID) Core