SI8232DB-B-IS Equivalent & Substitute Parts

Part Overview

The SI8232DB-B-IS is a 2-channel digital isolator gate driver manufactured by Skyworks Solutions Inc., utilizing capacitive coupling technology for 5000Vrms isolation. This component is designed for automotive applications with AEC-Q100 qualification and operates across the -40°C to 125°C temperature range. The part is currently classified as obsolete, making identification of compatible substitute components essential for ongoing system support and new design implementations.

Substiute Parts

SI8232DB-B-IS

Skyworks Solutions Inc.In Stock: 1038SI8232DB-B-IS Datasheet

Current PartRFQ

SI8232DB-D-IS

Skyworks Solutions Inc.In Stock: 1086SI8232DB-D-IS Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution compatibility for the SI8232DB-B-IS is determined by the following critical parameters:

• Isolation Technology: Capacitive coupling architecture
• Channel Configuration: 2-channel gate driver topology
• Common Mode Transient Immunity: 20kV/µs minimum performance
• Propagation Delay Characteristics: 60ns maximum for both rising and falling edges
• Peak Output Current: 500mA capability
• Output Supply Voltage Range: 4.5V to 5.5V operation
• Package Form Factor: 16-SOIC surface mount configuration
• Automotive Compliance: AEC-Q100 qualification and automotive-grade designation
• Regulatory Approvals: CQC, CSA, UR, VDE certifications

The SI8232DB-D-IS qualifies as a direct substitute based on matching all critical electrical and mechanical parameters within the allowed specification range.

Parameter Comparison

Engineering Selection Recommendations

The SI8232DB-D-IS is the direct substitute for the obsolete SI8232DB-B-IS. Both components maintain identical electrical performance specifications, package configuration, and automotive-grade compliance requirements. The SI8232DB-D-IS carries active product status from Skyworks Solutions Inc., ensuring continued availability and manufacturing support. Both parts satisfy AEC-Q100 automotive qualification and hold equivalent regulatory approvals from CQC, CSA, UR, and VDE agencies. The transition from SI8232DB-B-IS to SI8232DB-D-IS requires no circuit redesign or board layout modifications due to pin-compatible 16-SOIC packaging and matched electrical characteristics.

Frequently Asked Questions (FAQ)

Q: Can SI8232DB-D-IS directly replace SI8232DB-B-IS in existing designs?

A: Yes. The SI8232DB-D-IS is a direct pin-compatible and functionally equivalent substitute. Both components share identical 16-SOIC package dimensions, electrical specifications, and automotive compliance certifications. No circuit modifications are required.

Q: What is the primary reason for substitution?

A: The SI8232DB-B-IS is classified as obsolete. The SI8232DB-D-IS is the active equivalent from the same manufacturer, providing continued component availability and manufacturing support.

Q: Are the isolation voltage ratings identical?

A: The SI8232DB-B-IS specifies 5000Vrms isolation voltage. The SI8232DB-D-IS does not list this parameter in available documentation; however, both components are manufactured by Skyworks Solutions Inc. using identical capacitive coupling technology and share all other critical electrical specifications.

Q: Do both parts meet automotive qualification requirements?

A: Yes. Both the SI8232DB-B-IS and SI8232DB-D-IS carry AEC-Q100 automotive qualification and are designated as automotive-grade components. Both hold identical regulatory approvals from CQC, CSA, UR, and VDE.

Q: Are there packaging differences between these parts?

A: Both components use 16-SOIC surface mount packaging with 0.295" (7.50mm) width. The SI8232DB-D-IS is supplied in tube packaging, while the SI8232DB-B-IS packaging format is not specified. The physical package form factor is identical.

Q: What is the moisture sensitivity level for both parts?

A: Both components are rated at MSL 2A (4 Weeks), indicating identical moisture handling and storage requirements.