USB5806/KD Equivalent & Substitute Parts

Part Overview

The USB5806/KD is a USB Hub Controller designed for USB 3.1 applications, featuring I2C and SPI interface capabilities in a 100-VQFN package. This component is classified as Obsolete, which necessitates identification of active equivalent parts for new designs and ongoing production requirements. The substitute part maintains functional compatibility while offering active product status and improved supply chain availability.

Substiute Parts

USB5806/KD

Microchip TechnologyIn Stock: 1257USB5806/KD Datasheet

Current PartRFQ

USB5806C/KD

Microchip TechnologyIn Stock: 1166USB5806C/KD Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the USB5806/KD is based on the following critical parameters that must remain consistent:

• Protocol & Standards: USB 3.1 protocol compliance
• Function: Hub Controller operation
• Interface: I2C and SPI communication support
• Package: 100-VQFN (12x12) with exposed pad configuration
• Electrical Characteristics: Supply voltage ranges and operating temperature
• Compliance: RoHS3 and REACH compliance status
• Moisture Sensitivity: MSL 3 rating

The USB5806C/KD qualifies as a direct substitute, maintaining identical functional specifications, package geometry, and compliance certifications while offering Active product status.

Parameter Comparison

Engineering Selection Recommendations

The USB5806C/KD is the direct substitute for the USB5806/KD. Selection of the substitute part is based on the following engineering criteria:

• Product Status: The USB5806C/KD maintains Active status, ensuring continued manufacturer support and supply chain availability, whereas the USB5806/KD is Obsolete.
• Compliance Certifications: Both parts maintain identical RoHS3 and REACH compliance status, suitable for regulated applications.
• Electrical Compatibility: The USB5806C/KD supply voltage range (1.08V ~ 1.32V, 3V ~ 3.6V) encompasses the USB5806/KD nominal values (1.2V, 3.3V), ensuring functional compatibility in existing designs.
• Package Compatibility: Identical 100-VQFN (12x12) package geometry permits direct PCB layout reuse without redesign.
• Functional Equivalence: Both parts implement identical USB 3.1 Hub Controller functionality with I2C and SPI interface support.

Frequently Asked Questions (FAQ)

Q: Can the USB5806C/KD be used as a direct replacement for the USB5806/KD in existing designs?

A: Yes. The USB5806C/KD is functionally equivalent and maintains identical package geometry, interface protocols, and compliance certifications. No PCB redesign is required.

Q: What is the primary reason for substitution?

A: The USB5806/KD is classified as Obsolete. The USB5806C/KD provides an Active equivalent with improved supply chain availability and manufacturer support.

Q: Are there differences in electrical specifications between these parts?

A: The USB5806C/KD specifies supply voltage ranges (1.08V ~ 1.32V, 3V ~ 3.6V) rather than nominal values. These ranges encompass the USB5806/KD operating points, ensuring compatibility.

Q: Do both parts require identical PCB layout and assembly procedures?

A: Yes. Both parts use the 100-VQFN (12x12) package with exposed pad configuration. Assembly procedures, reflow profiles, and handling requirements remain unchanged.

Q: Are moisture sensitivity and storage requirements the same?

A: Yes. Both parts carry MSL 3 rating with 168-hour floor life, requiring identical moisture control and storage protocols.

Q: What compliance certifications apply to the substitute part?

A: The USB5806C/KD maintains ROHS3 compliance and REACH Unaffected status, identical to the original part.