SI8284CC-ISR

Isolators - Gate Drivers Overview

The SI8284CC-ISR is a single-channel, automotive-grade isolated gate driver utilizing Skyworks' capacitive coupling technology. It features an integrated dc-dc converter for power isolation and supports SiC and IGBT switching applications. The device operates within a supply voltage range of 2.8 V to 5.5 V and delivers peak output currents up to 4 A. Key electrical parameters include a maximum propagation delay of 50 ns, rise time of 5.5 ns, and fall time of 8.5 ns. It provides 5000 Vrms isolation with a minimum common-mode transient immunity of 35 kV/µs. The component is housed in a 24-SOIC package and is qualified to AEC-Q100 standards.

Isolators - Gate Drivers Feature Summary

• Integrates a high-efficiency dc-dc converter to provide isolated power without external transformers.
• Utilizes capacitive coupling technology to achieve high common-mode transient immunity.
• Supports wide-bandgap devices such as Silicon Carbide (SiC) and standard IGBTs.
• Automotive grade qualification ensures reliability under harsh operating conditions.

Isolators - Gate Drivers Applications

• Silicon Carbide (SiC) MOSFET gate driving
• Insulated Gate Bipolar Transistor (IGBT) switching
• Automotive power electronics systems
• High-frequency DC-DC converter topologies

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix 'CC' against the official Skyworks datasheet to confirm the exact isolation rating and feature set, as variations exist within the family. Ensure the 'ISR' suffix matches the required reel packaging quantity of 1250 units. Confirm that the 24-SOIC footprint aligns with the target PCB design constraints before finalizing procurement orders.

Isolators - Gate Drivers Selection Notes

Select this component when designing circuits requiring galvanic isolation for high-speed switching applications. The integrated dc-dc converter simplifies board layout by eliminating the need for external isolated power supplies. Consider the 4 A peak current capability for driving medium-power SiC or IGBT modules. Verify that the 5000 Vrms isolation barrier meets the safety requirements of the specific application environment.

Isolators - Gate Drivers Part Context

This part belongs to the Si828x series of ISOdriver gate drivers from Skyworks Solutions. The series is designed specifically for robust isolation in power conversion systems. The SI8284 variant focuses on single-channel operation with integrated power management. It complements other variants like the SI8283 which may offer different channel counts or pin configurations.

Isolators - Gate Drivers Replacement Considerations

Direct substitutes within the same family include the SI8284CC-IS, which shares identical electrical characteristics but differs in tube packaging instead of reel. Other compatible parts in the Si828x series should be evaluated based on matching isolation ratings and current drive capabilities.

Isolators - Gate Drivers FAQ

What technology does the SI8284CC-ISR use for signal isolation?

It uses Skyworks' proprietary capacitive coupling technology, which offers high common-mode transient immunity compared to traditional optical isolators.

Does the SI8284CC-ISR require an external transformer for the isolated power supply?

No, it features an integrated dc-dc converter that generates the isolated power internally, reducing external component count.