USB7052-I/KDX Equivalent & Substitute Parts

Part Overview

The USB7052-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 package. This component is classified as obsolete, which necessitates identification of active equivalent parts for ongoing design requirements and procurement planning. The obsolete status requires engineers to transition to functionally compatible alternatives that maintain electrical and mechanical compatibility.

Substiute Parts

USB7052-I/KDX

Microchip TechnologyIn Stock: 892USB7052-I/KDX Datasheet

Current PartRFQ

USB7052N-I/KDX

Microchip TechnologyIn Stock: 1625USB7052N-I/KDX Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The USB7052N-I/KDX qualifies as a direct substitute based on the following critical parameters:

Mechanical Compatibility: Both parts utilize the identical 100-VQFN (12x12) package with exposed pad configuration, ensuring PCB footprint and assembly process compatibility without redesign.

Electrical Interface Compatibility: The substitute part maintains I2C interface capability alongside additional interface options (GPIO, SPI, UART, USB), providing backward compatibility with existing I2C control schemes while offering expanded functionality.

Functional Equivalence: Both components serve the Hub Controller function within the USB protocol family, with the substitute supporting USB 2.0 and USB 3.1 standards.

Thermal Operating Range: Identical operating temperature specification (-40°C ~ 85°C) ensures equivalent thermal performance characteristics.

Compliance Alignment: Both parts maintain ROHS3 compliance and REACH unaffected status, satisfying regulatory requirements for equivalent component selection.

Supply Voltage Compatibility: The substitute part specifies dual supply voltage ranges (1.08V ~ 1.32V and 3V ~ 3.6V), which encompasses typical system supply requirements.

Parameter Comparison

Engineering Selection Recommendations

The USB7052N-I/KDX is the designated manufacturer-recommended substitute for the obsolete USB7052-I/KDX. Selection of this substitute is supported by:

Product Status Transition: The substitute maintains active product status with Microchip Technology, ensuring continued availability, technical support, and supply chain stability compared to the obsolete original part.

Regulatory Compliance: Both components satisfy ROHS3 and REACH requirements, maintaining equivalent environmental and regulatory compliance posture for production and deployment.

Packaging and Assembly: Identical 100-VQFN (12x12) package specifications eliminate PCB redesign requirements and maintain compatibility with existing assembly processes and test fixtures.

Functional Capability: The substitute provides equivalent hub controller functionality with expanded interface options, enabling seamless integration into existing designs while supporting future feature expansion.

Moisture Handling: The substitute's improved MSL rating (1 versus 3) provides enhanced moisture tolerance during storage and handling, reducing component degradation risk in standard warehouse conditions.

Frequently Asked Questions (FAQ)

Q: Can the USB7052N-I/KDX be used as a direct replacement without PCB modifications?

A: Yes. Both parts share identical 100-VQFN (12x12) package specifications with exposed pad configuration, ensuring footprint compatibility and eliminating PCB redesign requirements.

Q: Are the I2C interface specifications identical between the main part and substitute?

A: The substitute maintains full I2C interface capability as specified in the original part. The substitute additionally provides GPIO, SPI, UART, and USB interfaces, which do not affect I2C operation or existing control schemes.

Q: What is the significance of the different MSL ratings?

A: The main part specifies MSL 3 (168 hours maximum floor life), while the substitute specifies MSL 1 (unlimited floor life). This indicates the substitute has superior moisture resistance and requires less stringent moisture control during storage and assembly.

Q: Do the supply voltage specifications affect substitution compatibility?

A: The substitute specifies dual supply voltage ranges (1.08V ~ 1.32V and 3V ~ 3.6V). Designs using the original part should confirm their supply voltage falls within these ranges. The original part's supply voltage was not specified in available documentation.

Q: Is the USB 2.0 support in the substitute a functional difference?

A: The substitute supports both USB 2.0 and USB 3.1 standards, while the original specified USB 3.1. This represents expanded capability and does not restrict USB 3.1 operation in existing designs.

Q: What is the manufacturer's recommendation for transitioning from the obsolete part?

A: Microchip Technology designates USB7052N-I/KDX as the recommended substitute, reflecting equivalent electrical and mechanical compatibility with the obsolete USB7052-I/KDX.