USB5434-JZX-TR Equivalent & Substitute Parts

Part Overview

The USB5434-JZX-TR is a USB Hub Controller manufactured by Microchip Technology, designed for USB 3.0 interface applications in 64-QFN (9x9) packaging. This component functions as a hub controller supporting USB protocol with dual supply voltage operation (1.25V, 3.3V) and an operating temperature range of 0°C to 70°C. The part is currently classified as obsolete, making equivalent and substitute parts necessary for ongoing system support and new design implementations.

Substiute Parts

USB5434-JZX-TR

Microchip TechnologyIn Stock: 23655USB5434-JZX-TR Datasheet

Current PartRFQ

USB5534B-6080JZXTR

Microchip TechnologyIn Stock: 3161USB5534B-6080JZXTR Datasheet

MFR RecommendedRFQ

USB5434B-JZXTR

Microchip TechnologyIn Stock: 2222USB5434B-JZXTR Datasheet

Parametric EquivalentRFQ

USB5532B-6080JZXTR

Microchip TechnologyIn Stock: 943USB5532B-6080JZXTR Datasheet

Parametric EquivalentRFQ

USB5533B-6080JZXTR

Microchip TechnologyIn Stock: 881USB5533B-6080JZXTR Datasheet

Parametric EquivalentRFQ

TUSB8041RGCT

Texas InstrumentsIn Stock: 1964TUSB8041RGCT Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the USB5434-JZX-TR is determined by the following critical parameters:

• Function: Hub Controller
• Protocol & Standards: USB 3.0
• Package Type: 64-VFQFN Exposed Pad (64-QFN 9x9 form factor)
• Voltage Supply: 1.25V, 3.3V compatibility
• Operating Temperature Range: 0°C ~ 70°C
• Interface Type: USB

Substitute parts are grouped into two categories:

Microchip Technology Direct Equivalents (USB5534B-6080JZXTR, USB5434B-JZXTR, USB5532B-6080JZXTR, USB5533B-6080JZXTR): These parts maintain identical electrical specifications, package geometry, and supply voltage requirements. All are active products with ROHS3 compliance and MSL 1 rating.

Cross-Manufacturer Equivalent (TUSB8041RGCT from Texas Instruments): This part meets the core functional requirements (USB 3.0 Hub Controller, 64-VFQFN package, 0°C ~ 70°C operation) with compatible supply voltage (1.1V, 3.3V). The TUSB8041RGCT provides additional interface options (GPIO, I2C, SMBus) beyond the base USB specification.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement: USB5534B-6080JZXTR is the manufacturer-recommended substitute. This part maintains identical electrical and mechanical specifications to the obsolete USB5434-JZX-TR while offering active product status, ensuring long-term availability and supply chain continuity. Packaging is Tape & Reel (TR) format.

For Parametric Equivalence: USB5434B-JZXTR, USB5532B-6080JZXTR, and USB5533B-6080JZXTR are parametric equivalents meeting all core functional requirements. These parts are active products with ROHS3 compliance and MSL 1 rating, suitable for applications requiring identical electrical performance.

For Cross-Manufacturer Substitution: TUSB8041RGCT from Texas Instruments is an active product equivalent meeting USB 3.0 hub controller requirements in the same 64-VFQFN package. This part operates with 1.1V minimum supply voltage (compared to 1.25V for Microchip parts) and includes additional interface capabilities (GPIO, I2C, SMBus). MSL rating is 3 (168 Hours), requiring appropriate moisture control during storage and handling.

All substitute parts maintain ROHS3 compliance and REACH unaffected status, meeting regulatory requirements for the original application.

Frequently Asked Questions (FAQ)

Q: Can USB5534B-6080JZXTR directly replace USB5434-JZX-TR in existing designs?

A: Yes. USB5534B-6080JZXTR is the manufacturer-recommended substitute with identical electrical specifications, supply voltage (1.25V, 3.3V), operating temperature range (0°C ~ 70°C), and 64-VFQFN package geometry. The primary difference is product status (active vs. obsolete) and packaging format (Tape & Reel).

Q: What is the difference between USB5434B-JZXTR and USB5534B-6080JZXTR?

A: Both are Microchip Technology USB 3.0 hub controllers with identical electrical and functional specifications. USB5534B-6080JZXTR includes the "6080" designation and is supplied in Tape & Reel (TR) packaging, while USB5434B-JZXTR packaging format is not specified. Both are parametric equivalents suitable for the same applications.

Q: Is TUSB8041RGCT compatible with designs using USB5434-JZX-TR?

A: TUSB8041RGCT meets core functional requirements as a USB 3.0 hub controller in 64-VFQFN packaging with compatible operating temperature range. Supply voltage is 1.1V to 3.3V (vs. 1.25V to 3.3V for the original part). The TUSB8041RGCT provides additional interface options (GPIO, I2C, SMBus) and has MSL 3 rating, requiring moisture control during storage. Design validation is necessary to confirm compatibility with existing power supply and interface requirements.

Q: What does MSL 1 vs. MSL 3 mean for component handling?

A: MSL (Moisture Sensitivity Level) 1 indicates unlimited shelf life with standard moisture control. MSL 3 requires moisture control for 168 hours of exposure before soldering. TUSB8041RGCT (MSL 3) requires more stringent handling procedures compared to Microchip equivalents (MSL 1).

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts (USB5534B-6080JZXTR, USB5434B-JZXTR, USB5532B-6080JZXTR, USB5533B-6080JZXTR, and TUSB8041RGCT) are ROHS3 compliant and REACH unaffected, meeting regulatory requirements for the original USB5434-JZX-TR application.

Q: What inventory levels are available for these substitutes?

A: Current inventory includes USB5534B-6080JZXTR (3102 pcs), USB5434B-JZXTR (2205 pcs), USB5532B-6080JZXTR (848 pcs), USB5533B-6080JZXTR (835 pcs), and TUSB8041RGCT (1900 pcs). Inventory levels are subject to change; verify current availability with your supplier.