SI8274GB4D-IMR

Isolators - Gate Drivers Overview

The SI8274GB4D-IMR is a dual-channel digital isolator utilizing RF coupling technology, designed as a high-speed gate driver. It features a 2500Vrms isolation voltage and supports surface mount installation in a 14-LGA (5x5) package. The device operates on a supply voltage ranging from 4.2V to 30V. Key electrical parameters include a maximum propagation delay of 75ns for both low-to-high and high-to-low transitions, with a typical rise time of 10.5ns and fall time of 13.3ns. It delivers a peak output current of 4A and functions within an operating temperature range of -40°C to +125°C.

Isolators - Gate Drivers Feature Summary

• Utilizes radio frequency (RF) coupling technology for galvanic isolation
• Provides high common-mode transient immunity for noise rejection
• Supports independent high-side and low-side channel configurations
• Includes integrated deglitching functionality for signal integrity

Isolators - Gate Drivers Applications

• Industrial motor control systems
• Power supply gate driving
• Inverter and converter topologies
• High-voltage switching applications

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix IMR indicates tape and reel packaging configuration against official Skyworks documentation. Confirm that the 14-LGA package dimensions match the target PCB footprint requirements. Ensure compatibility with the intended supply voltage range of 4.2V to 30V for the isolated side. Check for any recent product change notifications or end-of-life notices from the manufacturer regarding this specific part number revision.

Isolators - Gate Drivers Selection Notes

Select this component when dual-channel isolation with high peak drive current is required. The RF coupling technology offers superior performance compared to traditional optical isolators in terms of speed and longevity. Consider the 14-LGA package size for space-constrained designs. Verify that the 75ns propagation delay meets the timing constraints of the target switching application. Ensure the 2500Vrms isolation rating satisfies the safety requirements of the system architecture.

Isolators - Gate Drivers Part Context

This device belongs to the Si827x series of digital isolators from Skyworks Solutions. The series leverages silicon dioxide (SiO2) based RF coupling technology to provide robust isolation. The SI8274 variant specifically focuses on gate driver applications requiring high current capability. It serves as a modern alternative to legacy optocouplers in power electronics.

Isolators - Gate Drivers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.