SI8238AD-D-IS3R

Isolators - Gate Drivers Overview

The SI8238AD-D-IS3R is a dual-channel digital isolated gate driver from Skyworks Solutions, utilizing capacitive coupling technology for galvanic isolation. It features a 5 kVrms isolation voltage and operates within an extended temperature range of -40°C to +125°C. The device provides a peak output current of 4 A with independent high-side and low-side drivers. Key electrical specifications include a maximum propagation delay of 45 ns, rise and fall times of 12 ns, and a minimum common-mode transient immunity of 20 kV/µs. It supports input voltages between 2.7 V and 5.5 V and output supply voltages from 6.5 V to 24 V.

Isolators - Gate Drivers Feature Summary

• Capacitive coupling technology ensures robust signal transmission across the isolation barrier.
• High electromagnetic immunity protects against noise in demanding industrial environments.
• AEC-Q100 qualification confirms reliability for automotive applications.
• Independent channel control allows flexible configuration for various power switching topologies.

Isolators - Gate Drivers Applications

• Industrial motor drives and inverters
• Automotive power electronics and battery management systems
• Solar micro-inverters and DC-DC converters
• Isolated communication interfaces in noisy environments

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix 'IS3R' corresponds to the SOIC-Wide-14 package and reel packaging format. Confirm that the 5 kVrms rating aligns with your system's insulation requirements rather than higher variants like IS or IS3. Ensure compatibility with the Si823x series design guidelines for layout and decoupling.

Isolators - Gate Drivers Selection Notes

Select this component when a dual-channel isolated gate driver with 5 kVrms isolation is required. It is suitable for applications needing 4 A peak drive capability and high CMTI. Consider alternative packages if wider creepage distances are mandated by safety standards, as this variant offers standard spacing.

Isolators - Gate Drivers Part Context

This part belongs to the Si823x family of isolated gate drivers from Skyworks Solutions. The family leverages silicon dioxide (SiO2) isolation technology to provide high performance and reliability. The SI8238AD-D-IS3R specifically targets cost-sensitive and space-constrained designs requiring dual-channel isolation.

Isolators - Gate Drivers FAQ

What is the maximum operating temperature for the SI8238AD-D-IS3R?

The device is rated for operation up to +125°C.

Does this component support TTL logic inputs?

Yes, the SI8238AD-D-IS3R accepts TTL-compatible logic signals on its input pins.