SI8284ED-ISR

Isolators - Gate Drivers Overview

The SI8284ED-ISR is a galvanically isolated gate driver from Skyworks Solutions, designed for SiC and IGBT applications. It features an integrated DC-DC converter and operates within a supply voltage range of 2.8V to 5.5V. The device provides a peak output current of 4A with high-speed switching capabilities, including a maximum propagation delay of 50ns and rise/fall times of 5.5ns/8.5ns. It offers 5000Vrms isolation and a common-mode transient immunity of 35kV/µs. Packaged in a 24-SOIC format, it supports surface-mount installation across a temperature range of -40°C to +125°C.

Isolators - Gate Drivers Feature Summary

• Integrates a feature-rich DC-DC converter for self-powered operation
• Provides high common-mode transient immunity for noise resilience
• Supports fast switching speeds suitable for wide bandgap semiconductors

Isolators - Gate Drivers Applications

• Gate driving for Silicon Carbide (SiC) power devices
• Gate driving for Insulated Gate Bipolar Transistors (IGBTs)
• Industrial motor control systems
• High-frequency power conversion circuits

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix 'ED' against official Skyworks documentation to confirm exact electrical characteristics and package variations. Ensure compatibility with the required isolation voltage and thermal management specifications for the target application. Confirm moisture sensitivity level handling procedures during assembly. Cross-reference datasheet revisions to ensure design stability.

Isolators - Gate Drivers Selection Notes

Select this component when high-speed isolation and integrated power are required for SiC or IGBT drivers. Evaluate the 4A peak current capability against load requirements. Consider the 24-SOIC footprint for PCB layout constraints. Verify that the 5000Vrms isolation rating meets system safety standards. Assess thermal performance within the specified operating temperature range.

Isolators - Gate Drivers Part Context

The SI8284ED-ISR belongs to the Si828x family of ISOdriver gate drivers. This series utilizes capacitive coupling technology for signal transmission. The family is designed to replace traditional optocouplers in modern power electronics. It emphasizes reliability and speed for demanding industrial and automotive environments.

Isolators - Gate Drivers Replacement Considerations

SI8284CD-ISR

Isolators - Gate Drivers FAQ

What type of isolation technology does the SI8284ED-ISR use?

It uses capacitive coupling technology for galvanic isolation.

Does the SI8284ED-ISR require an external bias supply?

No, it includes an integrated DC-DC converter for self-powering the high-side driver.