SI8274GB4D-IM1R

Isolators - Gate Drivers Overview

The SI8274GB4D-IM1R is a dual-channel digital isolator from the Si827x series, utilizing Skyworks' proprietary RF coupling technology for galvanic isolation. It features a 2500Vrms isolation voltage and high common-mode transient immunity of 200kV/µs. The device supports a wide output supply range of 4.2V to 30V and delivers peak output currents of 1.8A (high) and 4A (low). Key timing parameters include a maximum propagation delay of 75ns, pulse width distortion of 8ns, and typical rise/fall times of 10.5ns and 13.3ns respectively. It operates within a temperature range of -40°C to +125°C and is housed in a 14-QFN (5x5) package.

Isolators - Gate Drivers Feature Summary

• Utilizes RF coupling technology for robust galvanic isolation
• Provides high common-mode transient immunity of 200kV/µs
• Supports wide output supply voltage range up to 30V
• Delivers high peak output current capability

Isolators - Gate Drivers Applications

• Industrial motor control systems
• Power supply inverters
• Isolated gate driver interfaces

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix IM1R corresponds to the 14-QFN (5x5) package and reel packaging configuration. Confirm that the component meets AEC-Q100 automotive qualification requirements if intended for automotive applications. Ensure the datasheet version matches the manufacturing date code to avoid discrepancies in electrical characteristics or pinout definitions during integration.

Isolators - Gate Drivers Selection Notes

Select this component when dual-channel isolation with high speed and high current drive is required. The RF coupling technology offers superior reliability compared to traditional capacitive methods in harsh environments. Consider the 2500Vrms isolation rating and 200kV/µs CMTI for noise-sensitive industrial applications. The wide output voltage range allows compatibility with various power switch types.

Isolators - Gate Drivers Part Context

This part belongs to the Si827x family of isolated gate drivers. It complements other variants like SI8274GB4D-IS1R which uses SOIC packaging. The series is designed for high-performance applications requiring precise timing and robust isolation. It serves as a critical interface between low-voltage control logic and high-voltage power stages.

Isolators - Gate Drivers Replacement Considerations

• SI8274GB4D-IM1

Isolators - Gate Drivers FAQ

What is the peak output current capability of the SI8274GB4D-IM1R?

The device provides a peak output current of 1.8A for the high side and 4A for the low side.

Does the SI8274GB4D-IM1R support automotive applications?

Yes, the component is qualified under the AEC-Q100 standard for automotive use.