VT1677SBFQR Equivalent & Substitute Parts

Part Overview

The VT1677SBFQR is an IC Interface Controller manufactured by Analog Devices Inc./Maxim Integrated, classified as a Power Management (PMIC) driver component. This part is currently marked as obsolete, which necessitates identification of active equivalent alternatives for ongoing design requirements and production continuity. The VT1677SBFQR maintains unlimited moisture sensitivity tolerance (MSL 1) and is non-compliant with RoHS standards.

Substiute Parts

VT1677SBFQR

Analog Devices Inc./Maxim IntegratedIn Stock: 1218VT1677SBFQR Datasheet

Current PartRFQ

VT1677SBFQX

Analog Devices Inc./Maxim IntegratedIn Stock: 104801VT1677SBFQX Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the VT1677SBFQR is determined by functional equivalence within the VT1677 base product family. The primary substitute, VT1677SBFQX, shares the following critical parameters that establish direct substitutability:

• Identical base product number (VT1677)
• Same functional classification (IC Interface Controller / Driver)
• Identical product category (Power Management PMIC)
• Matching moisture sensitivity level (MSL 1 - Unlimited)
• Identical packaging designation

The VT1677SBFQX represents the active production equivalent of the obsolete VT1677SBFQR, maintaining functional and electrical compatibility while offering improved compliance status.

Parameter Comparison

Engineering Selection Recommendations

The VT1677SBFQX is the direct active substitute for the obsolete VT1677SBFQR. Selection of the VT1677SBFQX is supported by:

• Identical functional classification and base product designation
• Active production status ensuring supply chain availability
• ROHS3 compliance, addressing regulatory requirements not met by the original part
• REACH Unaffected status, confirming compliance with chemical substance regulations
• Maintained MSL 1 rating, preserving moisture handling characteristics

For applications currently specified with VT1677SBFQR, transition to VT1677SBFQX is the appropriate path forward given the obsolete status of the original part.

Frequently Asked Questions (FAQ)

Q: Can VT1677SBFQX directly replace VT1677SBFQR in existing designs?

A: Yes. Both parts share identical base product designation (VT1677), functional classification (IC Interface Controller / Driver), product category (Power Management PMIC), and moisture sensitivity level (MSL 1). The VT1677SBFQX is the active production equivalent.

Q: What is the primary difference between these parts?

A: The VT1677SBFQR is obsolete, while VT1677SBFQX is active. Additionally, VT1677SBFQX meets ROHS3 compliance and REACH Unaffected status, whereas VT1677SBFQR is RoHS non-compliant.

Q: Are there packaging differences between VT1677SBFQR and VT1677SBFQX?

A: No packaging differences are specified. Both parts maintain identical packaging designation.

Q: Is the moisture sensitivity level the same for both parts?

A: Yes. Both VT1677SBFQR and VT1677SBFQX maintain MSL 1 (Unlimited) rating.

Q: Why should I transition from VT1677SBFQR to VT1677SBFQX?

A: The VT1677SBFQR is obsolete and no longer in production. The VT1677SBFQX provides functional equivalence with active availability, improved regulatory compliance (ROHS3, REACH), and supply chain continuity.