PI3USB3102ZLEX Equivalent & Substitute Parts

Part Overview

The PI3USB3102ZLEX is a USB Switch IC manufactured by Diodes Incorporated, designed for interface applications requiring multi-channel USB signal routing. This 4-channel switch operates at 3.3V supply voltage with a maximum on-state resistance of 13Ohm and supports both USB 2.0 and USB 3.0 protocols with a -3dB bandwidth of 4.7GHz. The device is packaged in a 32-TQFN (3x6) surface mount configuration with exposed pad.

The part is currently in Last Time Buy status, indicating end-of-life production. Identifying equivalent and substitute components is necessary to ensure design continuity and maintain supply chain reliability for new production runs or design revisions.

Substiute Parts

PI3USB3102ZLEX

Diodes IncorporatedIn Stock: 19215PI3USB3102ZLEX Datasheet

Current PartRFQ

PI3USB32212ZLEX

Diodes IncorporatedIn Stock: 3435PI3USB32212ZLEX Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The PI3USB32212ZLEX qualifies as a manufacturer-recommended substitute based on the following substitution criteria:

Matching Parameters:

• Identical package type: 32-WFQFN Exposed Pad (32-TQFN 3x6)
• Identical on-state resistance: 13Ohm maximum
• Identical RoHS3 compliance status
• Identical MSL rating: 1 (Unlimited)
• Identical REACH status: REACH Unaffected
• Identical ECCN and HTSUS classifications
• Same manufacturer: Diodes Incorporated
• Identical mounting type: Surface Mount
• Identical feature set: USB 2.0 and USB 3.0 support

Functional Differences: The PI3USB32212ZLEX operates as a 2-channel switch with 1:2 multiplexer/demultiplexer configuration and SPDT switching circuit, compared to the 4-channel configuration of the PI3USB3102ZLEX. The substitute part features an expanded supply voltage range (2.97V to 3.63V versus fixed 3.3V) and superior bandwidth performance (10.6GHz versus 4.7GHz).

Parameter Comparison

Engineering Selection Recommendations

The PI3USB32212ZLEX is available as an active product with current manufacturing support, whereas the PI3USB3102ZLEX is in Last Time Buy status. Both parts maintain identical RoHS3 compliance and MSL ratings, ensuring equivalent environmental and regulatory qualification.

Selection between these parts depends on circuit topology requirements. The PI3USB3102ZLEX provides 4-channel switching capability, while the PI3USB32212ZLEX delivers 2-channel switching with enhanced bandwidth performance and expanded supply voltage tolerance. The PI3USB32212ZLEX's active product status provides superior long-term supply chain availability and manufacturing continuity.

Frequently Asked Questions (FAQ)

Q: Can the PI3USB32212ZLEX directly replace the PI3USB3102ZLEX in existing designs?

A: Direct replacement requires circuit topology compatibility. The PI3USB3102ZLEX functions as a 4-channel switch, while the PI3USB32212ZLEX operates as a 2-channel switch. Substitution is viable only if the application requires 2-channel switching functionality. Both parts share identical package geometry, on-state resistance, and USB protocol support.

Q: What are the supply voltage differences between these parts?

A: The PI3USB3102ZLEX operates at a fixed 3.3V supply. The PI3USB32212ZLEX accepts a supply voltage range of 2.97V to 3.63V, providing greater tolerance for power supply variations. Both parts are compatible with standard 3.3V supply rails.

Q: Are there package compatibility concerns?

A: Both parts use identical 32-TQFN (3x6) surface mount packaging with exposed pad. PCB footprints and reflow profiles are interchangeable. No package-related design modifications are required.

Q: How do the bandwidth specifications compare?

A: The PI3USB32212ZLEX provides 10.6GHz -3dB bandwidth compared to 4.7GHz for the PI3USB3102ZLEX. Both specifications support USB 2.0 and USB 3.0 protocol requirements. The higher bandwidth of the substitute part provides additional performance margin.

Q: What is the significance of the Last Time Buy status?

A: Last Time Buy status indicates the PI3USB3102ZLEX is no longer in active production. Existing inventory is available for final orders, but no future manufacturing runs are planned. The PI3USB32212ZLEX, with Active product status, ensures continued availability for ongoing production requirements.