USB7052T-I/KDX Equivalent & Substitute Parts

Part Overview

The USB7052T-I/KDX is a USB Hub Controller manufactured by Microchip Technology, designed for USB 3.1 applications with I2C interface capability in a 100-VQFN (12x12) package. This part is classified as Obsolete, which necessitates identification of functionally equivalent alternatives for new designs and ongoing production requirements. The substitute part maintains core hub controller functionality while offering enhanced interface flexibility and improved availability.

Substiute Parts

USB7052T-I/KDX

Microchip TechnologyIn Stock: 1102USB7052T-I/KDX Datasheet

Current PartRFQ

USB7052NT-I/KDX

Microchip TechnologyIn Stock: 3410USB7052NT-I/KDX Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The USB7052NT-I/KDX qualifies as a direct substitute based on the following alignment of critical parameters:

Package Compatibility: Both parts utilize the identical 100-VQFN (12x12) package with exposed pad, ensuring PCB layout and thermal management characteristics remain unchanged.

Functional Core: Both devices function as USB Hub Controllers with USB protocol support and I2C interface capability, maintaining the primary control and communication architecture.

Electrical Operating Range: Both parts operate across the -40°C ~ 85°C temperature range, satisfying identical thermal requirements for industrial and commercial applications.

Compliance Standards: Both parts maintain ROHS3 compliance and REACH Unaffected status, ensuring regulatory alignment for manufacturing and distribution.

Manufacturer Consistency: Both parts are manufactured by Microchip Technology, preserving design philosophy and technical support continuity.

The USB7052NT-I/KDX extends interface capability through additional GPIO, SPI, and UART interfaces while maintaining backward compatibility with the core I2C interface of the original part.

Parameter Comparison

Engineering Selection Recommendations

The USB7052NT-I/KDX is the designated manufacturer-recommended substitute for the obsolete USB7052T-I/KDX. Selection of the substitute part is justified on the following engineering grounds:

Product Lifecycle Status: The original USB7052T-I/KDX is classified as Obsolete, making the USB7052NT-I/KDX the active production alternative from the same manufacturer.

Regulatory Compliance: Both parts maintain ROHS3 compliance and REACH Unaffected status, ensuring no regulatory barriers to substitution.

Package Equivalence: Identical 100-VQFN (12x12) package specifications ensure direct PCB compatibility without layout modifications.

Functional Preservation: Core hub controller functionality and I2C interface are maintained, preserving system-level control architecture.

Enhanced Reliability: The substitute part offers MSL 1 (Unlimited) moisture sensitivity compared to MSL 3 (168 Hours), providing improved handling and storage characteristics for manufacturing environments.

Supply Continuity: The substitute part is in active production with documented inventory availability, ensuring long-term supply chain stability.

Frequently Asked Questions (FAQ)

Q: Can the USB7052NT-I/KDX be used as a direct replacement in existing designs using USB7052T-I/KDX?

A: Yes. Both parts share identical package specifications (100-VQFN 12x12), operating temperature range (-40°C ~ 85°C), and core hub controller functionality with I2C interface support. PCB layout and thermal design remain unchanged.

Q: What are the key differences between these parts?

A: The USB7052NT-I/KDX extends interface capability through additional GPIO, SPI, and UART interfaces beyond the I2C interface of the original part. The substitute also supports both USB 2.0 and USB 3.1 standards, whereas the original supports USB 3.1 only. Moisture sensitivity is improved (MSL 1 vs. MSL 3).

Q: Are there packaging differences?

A: Yes. The USB7052T-I/KDX is supplied in Cut Tape (CT) & Digi-Reel® format, while the USB7052NT-I/KDX is supplied in Tape & Reel (TR) format. Both formats are compatible with automated assembly equipment.

Q: Does the substitute part require firmware or software changes?

A: Firmware compatibility depends on application-specific implementation. The I2C interface is maintained, but the additional interfaces (GPIO, SPI, UART) are optional and do not require activation if not used in the design.

Q: What is the moisture sensitivity difference, and does it affect handling?

A: The USB7052T-I/KDX has MSL 3 (168 Hours), requiring controlled storage conditions. The USB7052NT-I/KDX has MSL 1 (Unlimited), eliminating moisture-related storage restrictions and reducing handling complexity in manufacturing environments.

Q: Is the substitute part available in the same quantities?

A: The USB7052NT-I/KDX has documented higher inventory availability (3344 Pcs) compared to the original part (1080 Pcs), supporting larger production volumes and reducing lead time risk.