USB5806-I/KD Equivalent & Substitute Parts

Part Overview

The USB5806-I/KD is a USB Hub Controller designed for USB 3.1 applications, featuring I2C and SPI interface capabilities in a 100-VQFN package. This part is currently classified as Obsolete, which necessitates identification of functionally equivalent alternatives for ongoing design support and procurement continuity. The substitute part maintains identical core functionality while offering improved product status and supply availability.

Substiute Parts

USB5806-I/KD

Microchip TechnologyIn Stock: 10121USB5806-I/KD Datasheet

Current PartRFQ

USB5806C-I/KD

Microchip TechnologyIn Stock: 1703USB5806C-I/KD Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The USB5806C-I/KD qualifies as a direct substitute for the USB5806-I/KD based on the following critical parameters:

• Identical Function: Both parts serve as USB Hub Controllers with USB 3.1 protocol support
• Matching Interface Specifications: Both provide I2C and SPI interface options
• Package Compatibility: Both use 100-VFQFN Exposed Pad packaging with identical 12x12 dimensions
• Operating Temperature Range: Both support -40°C ~ 85°C operation
• Compliance Alignment: Both maintain ROHS3 compliance, REACH Unaffected status, and identical MSL rating of 3 (168 Hours)
• Supply Voltage Compatibility: The substitute part's voltage range (1.08V ~ 1.32V, 3V ~ 3.6V) encompasses the main part's specified voltages (1.2V, 3.3V)

Parameter Comparison

Engineering Selection Recommendations

The USB5806C-I/KD is the appropriate substitute for the obsolete USB5806-I/KD. Selection is based on:

• Product Status: The USB5806C-I/KD maintains Active product status, ensuring long-term availability and manufacturing support compared to the Obsolete status of the original part
• Regulatory Compliance: Both parts maintain identical ROHS3 compliance and REACH Unaffected status, meeting current environmental and regulatory requirements
• Certification Alignment: Moisture Sensitivity Level (MSL) ratings are identical, ensuring equivalent handling and storage requirements
• Functional Equivalence: All core electrical and mechanical parameters are identical or compatible, supporting direct substitution in existing designs

Frequently Asked Questions (FAQ)

Q: Can the USB5806C-I/KD be used as a direct replacement for the USB5806-I/KD?

A: Yes. Both parts are functionally equivalent USB 3.1 Hub Controllers with identical interface specifications (I2C, SPI), package dimensions (100-VQFN 12x12), and operating parameters. The substitute part is the manufacturer-recommended alternative.

Q: Are there any voltage supply differences between these parts?

A: The USB5806C-I/KD specifies a voltage range (1.08V ~ 1.32V, 3V ~ 3.6V) that encompasses the USB5806-I/KD nominal voltages (1.2V, 3.3V). This range compatibility ensures electrical equivalence for standard supply configurations.

Q: What is the primary reason for substitution?

A: The USB5806-I/KD is classified as Obsolete. The USB5806C-I/KD is the Active equivalent, providing continued manufacturing support and supply availability.

Q: Are the package and handling requirements identical?

A: Yes. Both parts use 100-VFQFN Exposed Pad packaging with identical 12x12 dimensions and share the same Moisture Sensitivity Level (MSL) rating of 3 (168 Hours), requiring identical handling and storage protocols.

Q: Do both parts meet current regulatory standards?

A: Yes. Both parts are ROHS3 Compliant and REACH Unaffected, meeting current environmental and regulatory requirements.