PI7C9X442SLBFDEX

Overview

The PI7C9X442SLBFDEX is a PCIe to USB bridge integrated circuit manufactured by Diodes Incorporated. It supports one PCIe lane and provides four USB ports, functioning as a PCI interface IC. The device operates within a supply voltage range of 900 mV to 1.1 V, with a typical working voltage of 1 V. It is designed for surface mount installation in an LQFP-128 package. The component supports an operating temperature range from -40°C to +85°C and has a power dissipation rating of 432 mW.

Feature Summary

• Converts PCIe signals to USB 2.0 interfaces
• Supports multi-port connectivity via four USB channels
• Low voltage operation for efficient power management

Applications

• PCIe expansion cards requiring USB connectivity
• Industrial control systems with legacy USB peripherals
• Embedded computing platforms needing interface bridging

Procurement Notes

Verify the complete part number including the suffix DEX, which indicates tape and reel packaging. Confirm the manufacturer is Diodes Incorporated, formerly Pericom Semiconductor. Ensure the LQFP-128 package matches the design requirements. Check for RoHS compliance documentation if required by specific environmental regulations. Validate the operating temperature range against the target application environment.

Selection Notes

Select this component when a single-lane PCIe connection must be expanded into multiple USB 2.0 ports. Compare power dissipation specifications against thermal constraints in the final enclosure. Consider the LQFP-128 footprint during PCB layout planning. Evaluate the 1 V core voltage requirement against available system power rails. Ensure compatibility with the host controller's PCIe interface standards.

Part Context

This device belongs to the PI7C9X series of specialized interface ICs produced by Diodes Incorporated. The series includes various bridge and switch solutions for PCIe architectures. The SLBFDEX suffix denotes specific packaging and handling characteristics within the product line. Similar parts in the family may offer different port counts or protocol support.