USB5744T/2G Equivalent & Substitute Parts

Part Overview

The USB5744T/2G is a USB Hub Controller manufactured by Microchip Technology, designed to manage USB 2.0 and USB 3.2 interface protocols. This component operates as a hub controller in 56-VQFN (7x7) packaging with exposed pad configuration. The part maintains Active product status and is ROHS3 compliant, making it suitable for current production applications requiring multi-port USB hub functionality.

Identifying equivalent and substitute parts is necessary when addressing supply chain constraints, inventory optimization, or design flexibility requirements while maintaining electrical and mechanical compatibility.

Substiute Parts

USB5744T/2G

Microchip TechnologyIn Stock: 3203USB5744T/2G Datasheet

Current PartRFQ

USB5744T/2G

Microchip TechnologyIn Stock: 3203USB5744T/2G Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the USB5744T/2G is determined by strict alignment across the following critical parameters:

• Function: Must be USB Hub Controller
• Protocol: Must support USB interface
• Standards: Must support USB 2.0 and USB 3.2
• Package: Must be 56-VQFN (7x7) with exposed pad
• Voltage Supply: Must operate at 1.2V and 3.3V
• Operating Temperature: Must cover 0°C to 70°C range
• Compliance: Must maintain ROHS3 compliance and equivalent MSL rating

Parts meeting all these parameters are classified as parametric equivalents and direct substitutes. Parts deviating in any critical parameter are not suitable for direct substitution without design modification.

Parameter Comparison

Engineering Selection Recommendations

The USB5744T/2G maintains Active product status with full ROHS3 compliance and REACH unaffected classification, confirming suitability for current production designs. The part's MSL rating of 3 (168 Hours) establishes standard moisture handling requirements for surface mount assembly processes.

Selection of equivalent parts should prioritize components with identical parametric specifications across all electrical and mechanical dimensions. The 56-VQFN (7x7) package with exposed pad is a critical constraint; alternative packages or pin configurations introduce design incompatibility and require PCB layout modification.

Voltage supply requirements of 1.2V and 3.3V must be precisely matched in substitute selection. Operating temperature range of 0°C to 70°C defines the thermal envelope; parts with narrower or shifted temperature ranges are not suitable without application reassessment.

Frequently Asked Questions (FAQ)

Q: What makes a part a valid substitute for the USB5744T/2G?

A: A valid substitute must match all critical parameters: USB Hub Controller function, USB 2.0 and USB 3.2 protocol support, 56-VQFN (7x7) exposed pad package, 1.2V and 3.3V supply voltage, 0°C to 70°C operating temperature, and ROHS3 compliance. Deviation in any parameter disqualifies the part from direct substitution.

Q: Can I use a different package variant of the USB5744?

A: No. The 56-VQFN (7x7) exposed pad package is mechanically and electrically specific to this design. Alternative packages require PCB redesign, revalidation, and are not considered direct substitutes.

Q: What is the significance of the MSL 3 rating?

A: MSL 3 (168 Hours) specifies moisture sensitivity level for surface mount assembly. Components must be stored and handled according to this rating to prevent moisture-induced failures during reflow soldering. Substitute parts must maintain equivalent MSL classification.

Q: Are there any alternative manufacturers for this hub controller?

A: Based on the provided parameters, only Microchip Technology USB5744T/2G meets the specified electrical and mechanical requirements. Alternative manufacturers would require independent parametric verification against all listed criteria.

Q: How does ROHS3 compliance affect substitution?

A: ROHS3 compliance is a mandatory requirement for this application. Substitute parts must maintain equivalent or superior compliance status. Parts with lower compliance levels or exemptions are not acceptable substitutes.