NCT5945W Equivalent & Substitute Parts

Part Overview

The NCT5945W is an interface IC specialized for I2C communication, manufactured by Nuvoton Technology Corporation. This active product is available in tube packaging with 878 units in current stock inventory. The NCT5945W serves as a specialized interface component for I2C-based system integration. Identifying equivalent and substitute parts becomes necessary when addressing supply chain constraints, lead time requirements, or specific application packaging needs while maintaining functional compatibility.

Substiute Parts

NCT5945W

Nuvoton Technology CorporationIn Stock: 907NCT5945W Datasheet

Current PartRFQ

ADP5585ACPZ-00-R7

Analog Devices Inc.In Stock: 3270ADP5585ACPZ-00-R7 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The ADP5585ACPZ-00-R7 qualifies as a manufacturer-recommended substitute based on the following critical parameters:

• Interface Protocol: Both parts implement I2C communication interface
• Product Category: Both classified as specialized interface components
• Compliance Standards: Both achieve ROHS3 compliance and REACH unaffected status
• Product Status: Both maintain active product status in manufacturer portfolios
• Functional Application: Both support I/O expansion and interface functionality

The substitution is valid for applications requiring I2C-based interface control where the physical packaging format can be adapted to the application requirements.

Parameter Comparison

Engineering Selection Recommendations

NCT5945W Selection Criteria:

• Primary choice when tube packaging is required for assembly processes
• Preferred when Nuvoton Technology Corporation component ecosystem integration is specified
• Suitable for applications with established design validation on this specific part number

ADP5585ACPZ-00-R7 Selection Criteria:

• Alternative when tape and reel packaging format aligns with high-volume production workflows
• Applicable when Analog Devices Inc. supply chain or technical support is preferred
• Valid substitute when I2C interface functionality and compliance requirements are the primary design constraints
• Recommended when higher inventory availability (3205 units) addresses lead time concerns

Both parts maintain active product status and equivalent compliance certifications (ROHS3, REACH unaffected), supporting direct substitution in I2C interface applications.

Frequently Asked Questions (FAQ)

Q: What determines compatibility between NCT5945W and ADP5585ACPZ-00-R7? A: Both parts implement I2C interface protocol and maintain identical compliance status (ROHS3 compliant, REACH unaffected). Compatibility is established through shared interface functionality and active product status across both manufacturers.

Q: How do packaging differences affect substitution? A: NCT5945W is supplied in tube packaging, while ADP5585ACPZ-00-R7 uses tape and reel format. Packaging selection depends on assembly process requirements. Tube packaging suits lower-volume or manual assembly operations, while tape and reel format optimizes automated pick-and-place manufacturing.

Q: Are there electrical parameter differences between these parts? A: The ADP5585ACPZ-00-R7 specifies a supply voltage range of 1.65V to 3.6V. Detailed electrical parameters for the NCT5945W are not provided in this reference. Verify voltage compatibility with your specific application requirements before implementation.

Q: Can I use these parts interchangeably in existing designs? A: Substitution is valid for I2C interface applications where packaging format can be accommodated. Physical footprint and pinout compatibility must be verified against your PCB design and assembly specifications.

Q: What is the inventory status for each part? A: NCT5945W has 878 units in current stock. ADP5585ACPZ-00-R7 has 3205 units available. Higher inventory availability for the ADP5585ACPZ-00-R7 may provide supply chain advantages for time-sensitive projects.