TUSB2136PM USB Hub Controller Equivalent & Substitute Parts

Part Overview

The TUSB2136PM is a USB 2.0 hub controller IC manufactured by Texas Instruments, housed in a 64-LQFP package. This device functions as a USB interface controller for hub applications, operating at 3V to 3.6V supply voltage with 25mA current consumption. The TUSB2136PM is classified as obsolete, making identification of functionally equivalent substitute components necessary for ongoing design support and production continuity.

Substiute Parts

TUSB2136PM

Texas InstrumentsIn Stock: 4305TUSB2136PM Datasheet

Current PartRFQ

TUSB2046BIRHBT

Texas InstrumentsIn Stock: 15882TUSB2046BIRHBT Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TUSB2136PM is determined by the following critical parameters:

• Protocol & Standards: USB 2.0 hub controller functionality
• Supply Voltage: 3V to 3.6V operating range
• Interface Type: USB hub controller
• Compliance: ROHS3 and REACH compliance status
• Manufacturer: Texas Instruments (same manufacturer ensures design continuity)

The TUSB2046BIRHBT qualifies as a substitute based on matching protocol, standards, voltage range, interface type, and compliance certifications. While package and thermal specifications differ, the functional USB 2.0 hub controller capability and electrical operating parameters remain compatible within the defined substitution criteria.

Parameter Comparison

Engineering Selection Recommendations

The TUSB2046BIRHBT is the manufacturer-recommended substitute for the obsolete TUSB2136PM. Both devices maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory continuity. The substitute operates across an extended temperature range (-40°C to 85°C versus 0°C to 70°C) and features improved moisture sensitivity classification (MSL 2 versus MSL 3), providing enhanced reliability in production and storage environments. The TUSB2046BIRHBT is currently in active production status, ensuring long-term availability and supply chain stability.

Frequently Asked Questions (FAQ)

Q: Can the TUSB2046BIRHBT directly replace the TUSB2136PM in existing designs?

A: The TUSB2046BIRHBT provides equivalent USB 2.0 hub controller functionality and operates within the same 3V to 3.6V supply voltage range. However, the package change from 64-LQFP to 32-VQFN requires PCB layout redesign. Consult the respective datasheets for pin mapping and functional equivalency verification.

Q: What are the key differences between these two parts?

A: The primary differences are package type (64-LQFP versus 32-VQFN), operating temperature range (extended on the substitute), current consumption (40mA versus 25mA), and product status (active versus obsolete). Functional USB 2.0 hub controller capability and supply voltage specifications remain equivalent.

Q: Why is the TUSB2046BIRHBT recommended over other potential substitutes?

A: The TUSB2046BIRHBT is the manufacturer-recommended substitute from Texas Instruments, ensuring design continuity and functional compatibility. It maintains identical protocol, standards, and voltage specifications while offering improved environmental specifications and active production status.

Q: Are there packaging considerations for the TUSB2046BIRHBT?

A: Yes. The TUSB2046BIRHBT uses a 32-VQFN (5x5) package with exposed pad, compared to the 64-LQFP (10x10) package of the original part. This represents a significant reduction in footprint and pin count, requiring complete PCB redesign and layout optimization.

Q: What is the moisture sensitivity impact of using the substitute?

A: The TUSB2046BIRHBT has MSL 2 (1 Year) compared to MSL 3 (168 Hours) for the TUSB2136PM. This indicates improved moisture tolerance and longer shelf life, reducing handling and storage constraints in manufacturing environments.