AOZ1341AI Power Switch N-Channel 1:2 Equivalent & Substitute Parts

Part Overview

The AOZ1341AI is a Power Switch/Driver IC featuring 1:2 N-Channel configuration with 1A output capacity in an 8-SOIC package. This component is classified as a USB Switch within the Power Management (PMIC) category. The AOZ1341AI is currently listed as Obsolete, making identification of equivalent and substitute parts essential for ongoing design support and production continuity. Substitute parts must maintain identical electrical performance and mechanical compatibility while offering active product status and improved availability.

Substiute Parts

AOZ1341AI

Alpha & Omega Semiconductor Inc.In Stock: 2044AOZ1341AI Datasheet

Current PartRFQ

AOZ1341AI-1

Alpha & Omega Semiconductor Inc.In Stock: 12241AOZ1341AI-1 Datasheet

Parametric EquivalentRFQ

TPS2066DR

Texas InstrumentsIn Stock: 12782TPS2066DR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the AOZ1341AI are qualified based on strict parameter matching across electrical and mechanical specifications. The following criteria determine substitution eligibility:

Critical Matching Parameters:

• Number of Outputs: 2
• Ratio - Input:Output: 1:2
• Output Configuration: High Side
• Output Type: N-Channel
• Interface: On/Off
• Voltage - Load: 2.7V ~ 5.5V
• Current - Output (Max): 1A
• Rds On (Typ): 70mOhm
• Input Type: Non-Inverting
• Features: Status Flag
• Operating Temperature: -40°C ~ 125°C (TJ)
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Mounting Type: Surface Mount
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 1 (Unlimited)

All identified substitutes maintain these parameters without deviation. Substitutes are further categorized by product status and manufacturer origin to support design continuity and supply chain optimization.

Parameter Comparison

Engineering Selection Recommendations

AOZ1341AI-1 (Parametric Equivalent): This part is the direct equivalent from Alpha & Omega Semiconductor Inc., maintaining identical electrical and mechanical specifications to the AOZ1341AI. The AOZ1341AI-1 carries Active product status, ensuring long-term availability and manufacturing support. This substitute is recommended for designs requiring continuity within the same manufacturer ecosystem while transitioning away from the Obsolete AOZ1341AI.

TPS2066DR (MFR Recommended): The TPS2066DR from Texas Instruments provides equivalent electrical performance and identical package specifications. This part is classified as Active with robust inventory levels. The TPS2066DR includes UVLO (Under-Voltage Lock-Out) protection in addition to the standard fault protection features, offering enhanced supply voltage monitoring. This substitute is suitable for applications requiring cross-manufacturer qualification or where Texas Instruments supply chain integration is preferred.

Both substitutes maintain ROHS3 compliance, MSL Level 1 rating, and identical thermal operating ranges, ensuring direct compatibility in existing PCB layouts and thermal management designs.

Frequently Asked Questions (FAQ)

Q: Can AOZ1341AI-1 be used as a direct replacement for AOZ1341AI?

A: Yes. The AOZ1341AI-1 maintains identical electrical parameters, package configuration, and fault protection specifications. Pin-for-pin compatibility is assured, and no circuit modifications are required.

Q: What is the primary difference between AOZ1341AI-1 and TPS2066DR?

A: Both parts meet all critical electrical and mechanical requirements. The TPS2066DR includes UVLO (Under-Voltage Lock-Out) protection, whereas the AOZ1341AI-1 includes Reverse Current protection. Both provide Status Flag output and Current Limiting protection. Manufacturer origin and supply chain availability are the primary selection factors.

Q: Are package dimensions identical across all three parts?

A: Yes. All three parts use the 8-SOIC package with 0.154" (3.90mm) width. Surface mount assembly processes and PCB footprints are identical.

Q: Do all substitutes meet RoHS and environmental compliance requirements?

A: Yes. AOZ1341AI-1 and TPS2066DR are both ROHS3 compliant with MSL Level 1 rating (Unlimited moisture sensitivity), matching the original AOZ1341AI specifications.

Q: Which substitute offers better long-term availability?

A: Both AOZ1341AI-1 and TPS2066DR carry Active product status. Current inventory levels show TPS2066DR at 12720 units and AOZ1341AI-1 at 12200 units, indicating robust availability for both options.

Q: Are thermal characteristics identical across all parts?

A: Yes. All three parts operate across the identical temperature range of -40°C to 125°C (TJ), with matching Rds On (Typ) of 70mOhm and 1A maximum output current specifications.