USB5916T/KD Equivalent & Substitute Parts

Part Overview

The USB5916T/KD is a USB Hub Controller manufactured by Microchip Technology, designed for USB 3.1 interface applications with I2C and SPI communication protocols. This component is classified as obsolete, which necessitates identification of active equivalent parts for ongoing design requirements and production continuity. The part is packaged in a 100-VQFN (12x12) format with exposed pad and operates across a temperature range of 0°C to 70°C.

Substiute Parts

USB5916T/KD

Microchip TechnologyIn Stock: 1214USB5916T/KD Datasheet

Current PartRFQ

USB5916CT/KD

Microchip TechnologyIn Stock: 3215USB5916CT/KD Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the USB5916T/KD is determined by the following critical parameters:

• Package Compatibility: Identical 100-VQFN (12x12) with exposed pad
• Functional Classification: USB Hub Controller designation
• Protocol Support: USB standards compliance (USB 2.0 and/or USB 3.1)
• Interface Protocols: I2C, SPI, and related communication interfaces
• Supply Voltage Range: Overlapping or compatible voltage specifications
• Operating Temperature: Matching or extended temperature range (0°C ~ 70°C minimum)
• Compliance Standards: ROHS3 compliance and REACH unaffected status
• Manufacturer: Microchip Technology (same manufacturer ensures design continuity)

The USB5916CT/KD qualifies as a direct substitute based on these parameters. It maintains identical packaging, expands protocol support to include USB 2.0 alongside USB 3.1, and adds SMBus and UART interfaces while remaining within compatible voltage and temperature specifications.

Parameter Comparison

Engineering Selection Recommendations

The USB5916CT/KD is the qualified substitute for the obsolete USB5916T/KD based on the following engineering criteria:

Product Status Alignment: The USB5916CT/KD maintains active product status with Microchip Technology, ensuring continued availability, technical support, and manufacturing consistency. The obsolete status of the USB5916T/KD creates supply chain risk and limits access to updated documentation.

Compliance Continuity: Both parts maintain ROHS3 compliance and REACH unaffected status, satisfying regulatory requirements for electronic component procurement and deployment.

Electrical Compatibility: The USB5916CT/KD operates within compatible voltage ranges (1.08V ~ 1.32V and 3V ~ 3.6V) that encompass the original part's specifications (1.2V and 3.3V). Operating temperature ranges are identical at 0°C ~ 70°C.

Functional Enhancement: The substitute part expands interface protocol support to include SMBus and UART alongside the original I2C and SPI interfaces, while maintaining full USB 2.0 and USB 3.1 standards support. This expansion does not compromise backward compatibility with designs utilizing only the original interface set.

Package Equivalence: Identical 100-VQFN (12x12) packaging with exposed pad ensures mechanical and electrical compatibility without PCB redesign requirements.

Frequently Asked Questions (FAQ)

Q: Can the USB5916CT/KD be used as a direct replacement for the USB5916T/KD without PCB modifications?

A: Yes. Both parts share identical packaging (100-VQFN 12x12 with exposed pad), pinout compatibility, and electrical operating ranges. No PCB layout changes are required for substitution.

Q: What is the primary reason for substituting the USB5916T/KD?

A: The USB5916T/KD is classified as obsolete. The USB5916CT/KD is an active product from the same manufacturer, ensuring long-term availability, manufacturing support, and technical documentation access.

Q: Are there differences in interface protocol support between these parts?

A: The USB5916CT/KD adds SMBus and UART interface support compared to the USB5916T/KD. Designs utilizing only I2C and SPI interfaces will operate identically. Designs requiring SMBus or UART functionality can leverage the expanded capability of the substitute part.

Q: Do both parts meet the same compliance standards?

A: Yes. Both the USB5916T/KD and USB5916CT/KD are ROHS3 compliant and REACH unaffected, meeting identical regulatory requirements.

Q: What is the difference between the packaging designations "T" and "CT" in the part numbers?

A: The "T" designation indicates tape packaging, while "CT" indicates cut tape packaging. Both use identical component specifications and electrical characteristics. The packaging format difference does not affect component functionality or performance.

Q: Are the voltage supply specifications compatible between these parts?

A: Yes. The USB5916CT/KD voltage ranges (1.08V ~ 1.32V and 3V ~ 3.6V) encompass the USB5916T/KD specifications (1.2V and 3.3V), ensuring compatible operation across the original design's power supply requirements.

Q: What is the Moisture Sensitivity Level (MSL) for both parts?

A: Both parts have MSL 3 with a 168-hour floor life requirement. Identical handling and storage procedures apply to both components.