SI8274GA1D-IM1R

Isolators - Gate Drivers Overview

The SI8274GA1D-IM1R is a single-channel digital isolated gate driver from Skyworks Solutions. It features a 1 kVrms isolation voltage and supports PWM input signals with integrated deglitching functionality. The device provides a peak output current of 4 A, with typical rise and fall times of 10.5 ns and 13.3 ns respectively. Maximum propagation delay is specified at 75 ns. It operates within a temperature range of -40°C to +125°C and utilizes a DFN-14 surface-mount package.

Isolators - Gate Drivers Feature Summary

• High common-mode transient immunity for robust signal integrity
• Integrated deglitching circuitry on the PWM input channel
• Low latency performance with minimal pulse width distortion
• Wide operating supply voltage range for flexible system design

Isolators - Gate Drivers Applications

• Industrial motor control systems
• Power inverter topologies
• Solid-state transformer drives
• High-frequency switching power supplies

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix IM1R corresponds to the reel packaging variant when sourcing. Confirm that the 1 kVrms isolation rating meets the safety requirements of the target application. Ensure the DFN-14 thermal pad connection is properly managed during assembly to maintain reliability within the specified temperature range.

Isolators - Gate Drivers Selection Notes

Select this component for applications requiring high-speed switching with moderate isolation barriers. The single-channel configuration simplifies layout compared to dual-channel alternatives. Consider the 4 A peak drive capability against the gate charge requirements of the target power devices to ensure adequate switching performance without excessive heat generation.

Isolators - Gate Drivers Part Context

This part belongs to the SI827x family of digital isolators, which utilize capacitive coupling technology instead of optical components. This architecture offers superior longevity and consistent performance over time compared to traditional optocouplers. The family includes variants with different channel counts and isolation voltages to suit diverse industrial needs.

Isolators - Gate Drivers Replacement Considerations

SI8274AB1-IM: Offers higher 2.5 kVrms isolation but uses an LGA package.

Isolators - Gate Drivers FAQ

Does the SI8274GA1D-IM1R include input filtering?

Yes, it features an integrated deglitching filter on the PWM input to suppress noise spikes.

What is the maximum propagation delay?

The maximum propagation delay is 75 ns.