USB5742T/2GC01 Equivalent & Substitute Parts

Part Overview

The USB5742T/2GC01 is a USB Hub Controller IC manufactured by Microchip Technology, designed to manage USB 2.0 and USB 3.2 protocol communications with SMBus and SPI interface capabilities. This component is packaged in a 56-VQFN (7x7) form factor with an exposed pad and operates across a supply voltage range of 1.08V to 1.32V and 3V to 3.6V.

The USB5742T/2GC01 carries an Obsolete product status. Locating equivalent or substitute components becomes necessary when the original part is no longer available through standard distribution channels or when design updates require active product alternatives with extended lifecycle support.

Substiute Parts

USB5742T/2GC01

Microchip TechnologyIn Stock: 973USB5742T/2GC01 Datasheet

Current PartRFQ

USB5742BT/2GC01

Microchip TechnologyIn Stock: 1135USB5742BT/2GC01 Datasheet

MFR RecommendedRFQ

USB5742B/2GX01

Microchip TechnologyIn Stock: 1738USB5742B/2GX01 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the USB5742T/2GC01 is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Function: Hub Controller
• Protocol: USB
• Standards: USB 2.0, USB 3.2
• Interface: SMBus, SPI
• Package / Case: 56-VFQFN Exposed Pad
• Supplier Device Package: 56-VQFN (7x7)
• Voltage - Supply: 1.08V ~ 1.32V, 3V ~ 3.6V
• Operating Temperature: 0°C ~ 70°C (TA)

Substitute parts are grouped into two categories based on product lifecycle status and packaging configuration:

MFR Recommended Substitute: USB5742BT/2GC01 maintains identical electrical and mechanical specifications while offering Active product status and current manufacturing support.

Parametric Equivalent: USB5742B/2GX01 provides full electrical and mechanical compatibility with additional compliance certifications (RoHS3, REACH Unaffected) and bulk packaging availability.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement with Active Product Support: The USB5742BT/2GC01 is the manufacturer-recommended substitute for the obsolete USB5742T/2GC01. This part maintains identical electrical specifications, package configuration, and functional characteristics while providing Active product status and ongoing manufacturing availability. Selection of USB5742BT/2GC01 ensures continuity of supply and access to current technical support from Microchip Technology.

For Applications Requiring Enhanced Compliance Certification: The USB5742B/2GX01 serves as a parametric equivalent offering full electrical and mechanical compatibility with the original part. This alternative provides RoHS3 compliance certification and REACH Unaffected status, making it suitable for applications subject to environmental and regulatory compliance requirements. The bulk packaging configuration of USB5742B/2GX01 accommodates high-volume production scenarios.

Both substitute parts are manufactured by Microchip Technology and share identical functional specifications, interface protocols, and thermal operating ranges with the original USB5742T/2GC01.

Frequently Asked Questions (FAQ)

Q: Can USB5742BT/2GC01 be used as a direct replacement for USB5742T/2GC01?

A: Yes. The USB5742BT/2GC01 provides direct functional and electrical equivalence to the USB5742T/2GC01. Both parts share identical supply voltage ranges (1.08V ~ 1.32V, 3V ~ 3.6V), operating temperature specifications (0°C ~ 70°C), package configuration (56-VFQFN Exposed Pad), and interface protocols (SMBus, SPI). The primary distinction is product lifecycle status: USB5742BT/2GC01 carries Active status while USB5742T/2GC01 is Obsolete.

Q: What is the difference between USB5742BT/2GC01 and USB5742B/2GX01?

A: Both parts are parametric equivalents with identical electrical and mechanical specifications. The primary differences are packaging configuration and compliance certifications. USB5742B/2GX01 is supplied in bulk packaging and includes RoHS3 compliance and REACH Unaffected certifications. USB5742BT/2GC01 does not specify these compliance attributes. Selection between these two depends on regulatory requirements and packaging volume needs.

Q: Are all three parts pin-compatible?

A: Yes. USB5742T/2GC01, USB5742BT/2GC01, and USB5742B/2GX01 all utilize the 56-VQFN (7x7) package with exposed pad configuration. Pin compatibility is maintained across all three parts.

Q: What supply voltage ranges are supported by these USB Hub Controller ICs?

A: All three parts support dual supply voltage ranges: 1.08V to 1.32V and 3V to 3.6V. Circuit design must accommodate both voltage rails as specified in the device datasheet.

Q: Are these parts suitable for USB 3.2 applications?

A: Yes. All three parts support both USB 2.0 and USB 3.2 standards. The SMBus and SPI interfaces enable configuration and control of hub functionality across both protocol generations.

Q: What is the operating temperature range for these components?

A: The operating temperature range for USB5742T/2GC01, USB5742BT/2GC01, and USB5742B/2GX01 is 0°C to 70°C (TA). Applications requiring extended temperature operation require alternative component selection.