SI8274AB4D-IS1

Isolators - Gate Drivers Overview

The SI8274AB4D-IS1 is a single-channel, galvanically isolated gate driver from Skyworks Solutions. It features high common-mode transient immunity (CMTI) of 200 kV/µs and latch-up immunity of 400 kV/µs. The device provides 2.5 kVrms isolation voltage and operates within a temperature range of -40°C to +125°C. Key electrical parameters include a maximum propagation delay of 105 ns, rise time of 16 ns, and fall time of 18 ns. It supports input voltages between 2.5 V and 5.5 V, with a typical operating supply current of 10 mA and output current capability of 4 mA. The component is housed in a 16-SOIC package.

Isolators - Gate Drivers Feature Summary

• High Common-Mode Transient Immunity (CMTI) of 200 kV/µs
• Latch-up Immunity up to 400 kV/µs
• Integrated UVLO for reliable operation
• Deglitching functionality for signal integrity

Isolators - Gate Drivers Applications

• Driving power switches in industrial applications
• PWM input isolated driver circuits
• High-speed low-latency control systems

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix IS1 against official Skyworks documentation to confirm pinout and packaging details. Ensure compatibility with AEC-Q100 qualification requirements if automotive standards are necessary. Cross-reference the SOIC-16 package dimensions with ECAD models prior to PCB layout finalization. Confirm that the 2.5 kVrms isolation rating meets system safety regulations for the intended application environment.

Isolators - Gate Drivers Selection Notes

Select this component when high dV/dt immunity is critical to prevent false triggering in noisy environments. The single-channel configuration suits applications requiring one isolated drive path. Consider the 105 ns propagation delay limit for timing-sensitive designs. The wide operating temperature range supports harsh industrial conditions. Verify input logic levels match the TTL requirement of the driving controller.

Isolators - Gate Drivers Part Context

This part belongs to the Si8274 series of isolated gate drivers. It complements other variants like the SI8274AB1-IS1 by offering specific packaging and feature sets. The series emphasizes high speed and low skew for precise switching control. Skyworks utilizes RF coupling technology to achieve galvanic isolation without optical components.

Isolators - Gate Drivers Replacement Considerations

The SI8274AB1-IS1 is a related variant within the same family. Verify functional equivalence regarding channel count and isolation voltage before substitution. Check package compatibility as both utilize SOIC-16 but may differ in internal configurations or suffix specifications.