ITE IT5570E-256 CXA FXA CXS Controller Super I/O IC

The ITE IT5570E-256 series (CXA, FXA, CXS variants) is a versatile Keyboard Controller (KBC), Embedded Controller (EC), and Super I/O (SIO) IC manufactured by ITE Technologies Inc.. This controller is widely used in laptop and computer motherboards to manage essential system-level operations such as keyboard interface, power sequencing, battery communication, thermal monitoring, fan control, and peripheral I/O coordination. Packaged in a QFP-256 form factor, the IT5570E-256 series is commonly required for professional motherboard repair and replacement work. The different suffixes (CXA / FXA / CXS) indicate revision or firmware variations; functionality is similar, but correct suffix matching and programming confirmation is important for motherboard compatibility. All ICs supplied by OKSpare are quality tested before dispatch.

• Manufacturer: ITE Technologies Inc.

• Part Number: IT5570E-256

• Variants: CXA / FXA / CXS

• IC Type: KBC / Embedded Controller (EC) / Super I/O (SIO)

• Package Type: QFP-256

• Application: Laptop & computer motherboards

• Functions: Keyboard control, power management, thermal & system I/O

• Programming: Required as per board compatibility