SI8234AB-D-ISR

Isolators - Gate Drivers Overview

The SI8234AB-D-ISR is a dual-channel, galvanically isolated gate driver from the Si823x series by Skyworks Solutions. It features a SOIC-Narrow-16 package and supports high-side and low-side configurations. Key electrical parameters include a maximum propagation delay of 45 ns, rise/fall times of 12 ns, and an output current capability of 4 A. The device operates within a temperature range of -40°C to +125°C and offers 2.5 kVrms isolation voltage. It is qualified under AEC-Q100 standards for automotive applications.

Isolators - Gate Drivers Feature Summary

• Provides two completely isolated drivers in a single package for high-side and low-side control
• Features high electromagnetic immunity suitable for noisy industrial and automotive environments
• Utilizes capacitive coupling technology for reliable signal transmission across isolation barriers

Isolators - Gate Drivers Applications

• Automotive power electronics systems
• Industrial motor drives
• Inverter circuits requiring high-side and low-side switching

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix D-ISR confirms the tape-and-reel packaging format required for automated assembly processes. Ensure the component meets AEC-Q100 qualification requirements if deployed in automotive-grade designs. Cross-reference the manufacturer part number with official Skyworks documentation to confirm availability status and lead time constraints before finalizing procurement plans.

Isolators - Gate Drivers Selection Notes

Select this component when a dual-channel isolated driver with 2.5 kVrms isolation is required for automotive or industrial applications. The 4 A peak output current supports driving medium-power MOSFETs or IGBTs. Consider the SOIC-16 footprint for PCB layout compatibility. Verify that the 45 ns propagation delay meets the timing requirements of the target switching frequency.

Isolators - Gate Drivers Part Context

This device belongs to the Si823x family of isolated gate drivers, which utilize Skyworks' proprietary capacitive isolation technology. The family includes variants with different isolation voltages and UVLO thresholds. The SI8234AB variant specifically targets applications requiring 2.5 kVrms isolation with a 5 V UVLO threshold, distinguishing it from higher voltage or different logic threshold counterparts in the same series.

Isolators - Gate Drivers Replacement Considerations

Check Skyworks documentation for direct pin-compatible substitutes within the Si823x family, such as SI8234AB-D-IS or SI8234AB-D-IS1, noting any differences in packaging or qualification status.