ENE KB3940Q A1

The ENE KB3940Q A1 is a high-performance Embedded Controller (EC) and Keyboard Controller (KBC) designed by ENE Technology Inc. for use in notebook computers and portable electronic systems. This controller manages a variety of critical system functions, including keyboard and touchpad control, power sequencing, fan and thermal management, and battery communication, ensuring smooth and efficient system operation.

Equipped with a firmware-programmable microcontroller, the KB3940Q A1 supports ACPI (Advanced Configuration and Power Interface) standards for intelligent power management and event handling. It includes multiple communication interfaces such as LPC, SMBus, and I²C, enabling seamless integration with BIOS, battery controllers, and other system components.

Renowned for its stability, flexibility, and low power consumption, the ENE KB3940Q A1 is widely used in laptop motherboard design, repair, and diagnostics, making it a reliable choice for both OEM manufacturers and service professionals.

Key Features:

• Embedded microcontroller with programmable firmware capability

• Full ACPI-compliant power management and event handling

• Integrated keyboard and touchpad controller

• Thermal, fan, and voltage monitoring for enhanced protection

• Supports LPC, SMBus, and I²C communication interfaces

• Flash ROM interface for firmware updates and storage

• Compact 128-pin LQFP package for efficient motherboard integration

Applications:

• Laptop and Ultrabook motherboards

• Embedded power and control systems

• Thermal and system management modules

• Motherboard diagnostics and repair tools

Package Type: LQFP-128
Manufacturer: ENE Technology Inc.
Model Number: KB3940Q A1

The ENE KB3940Q A1 combines performance, reliability, and energy efficiency, making it an essential embedded controller solution for modern notebook and portable device platforms.