USB7052/KDX Equivalent & Substitute Parts

Part Overview

The USB7052/KDX is a USB Hub Controller IC manufactured by Microchip Technology, designed for USB 3.1 interface applications with I2C control capability in a 100-VQFN package. This part is classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing design support and procurement planning. The USB7052N/KDX serves as the primary substitute, offering enhanced interface flexibility while maintaining core package and thermal specifications.

Substiute Parts

USB7052/KDX

Microchip TechnologyIn Stock: 994USB7052/KDX Datasheet

Current PartRFQ

USB7052N/KDX

Microchip TechnologyIn Stock: 1126USB7052N/KDX Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the USB7052/KDX with the USB7052N/KDX is based on the following alignment criteria:

Package Compatibility: Both parts utilize the identical 100-VQFN (12x12) package with exposed pad, ensuring PCB footprint and thermal interface compatibility.

Thermal Specifications: Operating temperature range of 0°C ~ 70°C is maintained across both parts, supporting equivalent environmental performance.

Compliance Standards: Both parts meet ROHS3 compliance and maintain identical Moisture Sensitivity Level (MSL 3, 168 Hours), ensuring equivalent handling and storage requirements.

Interface Protocol: Both parts support USB protocol and I2C interface as core control mechanisms. The USB7052N/KDX extends interface capability to include GPIO, SPI, and UART, providing additional functionality without compromising existing I2C-based designs.

Standards Support: The USB7052N/KDX supports both USB 2.0 and USB 3.1, providing backward compatibility while maintaining USB 3.1 primary operation.

Parameter Comparison

Engineering Selection Recommendations

The USB7052N/KDX is the direct substitute for the obsolete USB7052/KDX. Selection is based on the following engineering criteria:

Product Status: The USB7052/KDX is obsolete, while the USB7052N/KDX maintains active product status with confirmed inventory availability (1107 Pcs), ensuring long-term procurement viability.

Regulatory Compliance: Both parts maintain identical ROHS3 compliance and REACH unaffected status, satisfying equivalent regulatory requirements for new designs and production transitions.

Package and Thermal Alignment: Identical 100-VQFN (12x12) package specifications and operating temperature range (0°C ~ 70°C) enable direct PCB layout compatibility without redesign.

Interface Compatibility: The USB7052N/KDX retains I2C interface support required by existing designs while providing extended interface options (GPIO, SPI, UART) for enhanced system flexibility.

Supply Voltage Specification: The USB7052N/KDX provides explicit supply voltage ranges (1.08V ~ 1.32V, 3V ~ 3.6V), enabling precise power supply design validation compared to the unspecified voltage of the original part.

Frequently Asked Questions (FAQ)

Q: Can the USB7052N/KDX directly replace the USB7052/KDX without PCB modifications?

A: Yes. Both parts share identical 100-VQFN (12x12) package specifications with exposed pad, ensuring footprint compatibility. No PCB layout changes are required for mechanical and thermal interface compatibility.

Q: What is the primary reason for substitution?

A: The USB7052/KDX is classified as obsolete. The USB7052N/KDX is the active equivalent part from Microchip Technology, ensuring continued availability and manufacturing support.

Q: Are the interface protocols compatible between the two parts?

A: Yes. The USB7052N/KDX supports I2C interface as required by designs using the USB7052/KDX. Additional interfaces (GPIO, SPI, UART) are available but not required for existing I2C-based implementations.

Q: Do both parts meet the same compliance standards?

A: Yes. Both parts are ROHS3 compliant, REACH unaffected, and maintain identical Moisture Sensitivity Level (MSL 3, 168 Hours), satisfying equivalent regulatory and handling requirements.

Q: What is the operating temperature range for both parts?

A: Both parts operate across 0°C ~ 70°C, providing identical thermal performance specifications for system design.

Q: Is the USB7052N/KDX available in the same packaging format?

A: Yes. The USB7052N/KDX is supplied in 100-VQFN (12x12) package format, matching the original part specification. Packaging format is Tray for the substitute part.