SC1302DSTRT Equivalent & Substitute Parts

Part Overview

The SC1302DSTRT is a low-side gate driver IC manufactured by Semtech Corporation, designed for driving N-channel MOSFETs in power management applications. This device features independent dual-channel configuration with 2A peak output current capability and operates across a 4.5V to 16.5V supply voltage range. The SC1302DSTRT is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing design support and production continuity.

Substiute Parts

SC1302DSTRT

Semtech CorporationIn Stock: 3675SC1302DSTRT Datasheet

Current PartRFQ

ISL89163FBEAZ

IntersilIn Stock: 10142ISL89163FBEAZ Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SC1302DSTRT is determined by strict alignment of the following electrical and mechanical parameters:

• Driven Configuration: Must be low-side gate driver
• Channel Type: Must support independent dual-channel operation
• Gate Type: Must drive N-channel MOSFETs
• Input Type: Must be non-inverting
• Package: Must be 8-SOIC form factor with matching 0.154" (3.90mm) width
• Supply Voltage Range: Must encompass or exceed 4.5V ~ 16.5V
• Logic Voltage Thresholds: Must be compatible with 0.8V VIL and 2V VIH
• Rise / Fall Time: Must match 20ns typical specification
• Operating Temperature: Must support -40°C ~ 125°C range
• Compliance: Must maintain RoHS compliance and MSL 1 rating

The ISL89163FBEAZ meets all substitution criteria while offering enhanced peak output current capability (6A vs. 2A) and active product status, providing superior long-term availability and design flexibility.

Parameter Comparison

Engineering Selection Recommendations

The ISL89163FBEAZ is the qualified substitute for the SC1302DSTRT based on the following engineering criteria:

Product Status Advantage: The ISL89163FBEAZ maintains active product status with Intersil, ensuring long-term availability, ongoing manufacturing support, and access to current datasheets and technical documentation. The SC1302DSTRT obsolete status creates supply chain risk and limits design flexibility for new production runs.

Electrical Compatibility: The ISL89163FBEAZ maintains functional equivalence across all critical electrical parameters. The enhanced peak output current specification (6A vs. 2A) provides design margin without requiring circuit modifications, as the device remains pin-compatible and functionally interchangeable at the 2A operating point.

Package Compatibility: Both devices utilize the 8-SOIC form factor with identical 0.154" (3.90mm) width. The ISL89163FBEAZ includes an exposed pad variant (8-SOIC-EP), which improves thermal dissipation characteristics while maintaining mechanical compatibility with existing PCB layouts designed for the SC1302DSTRT.

Compliance and Certification: Both devices maintain RoHS compliance and MSL 1 rating, ensuring compatibility with current manufacturing and environmental standards.

Frequently Asked Questions (FAQ)

Q: Can the ISL89163FBEAZ directly replace the SC1302DSTRT without PCB modifications?

A: Yes. The ISL89163FBEAZ is pin-compatible with the SC1302DSTRT in the standard 8-SOIC package. No PCB layout changes are required for functional substitution. The exposed pad variant (8-SOIC-EP) offers improved thermal performance and is mechanically compatible with existing designs.

Q: What are the key differences between these two gate drivers?

A: The primary differences are manufacturer (Semtech vs. Intersil), product status (obsolete vs. active), and peak output current capability (2A vs. 6A). All other electrical and mechanical parameters remain equivalent or compatible.

Q: Does the higher output current rating of the ISL89163FBEAZ affect circuit operation?

A: No. The ISL89163FBEAZ operates at the same 2A specification point as the SC1302DSTRT. The higher 6A rating provides additional design margin and thermal headroom without affecting normal circuit behavior.

Q: Are there any logic voltage threshold differences I should consider?

A: The ISL89163FBEAZ has slightly higher logic voltage thresholds (VIL 1.22V, VIH 2.08V) compared to the SC1302DSTRT (VIL 0.8V, VIH 2V). These differences are within acceptable tolerance for standard digital logic interfaces and do not require circuit redesign.

Q: What is the advantage of the exposed pad variant?

A: The 8-SOIC-EP package includes an exposed thermal pad on the bottom of the device, improving heat dissipation. This is beneficial in applications with sustained high switching frequencies or elevated ambient temperatures, while maintaining full mechanical compatibility with standard 8-SOIC footprints.

Q: Is the ISL89163FBEAZ suitable for new designs?

A: Yes. The active product status, enhanced specifications, and thermal performance improvements make the ISL89163FBEAZ the preferred choice for new designs requiring low-side gate driver functionality in the 8-SOIC form factor.