SI82398BD4-IS3R

Isolators - Gate Drivers Overview

The SI82398BD4-IS3R is a dual-channel digital gate driver utilizing capacitive coupling technology for high-voltage switching applications. It operates within an input voltage range of 2.5 V to 5.5 V and delivers a peak output current of 4 A with an output voltage of 8 V. The device features a maximum propagation delay of 40 ns, with rise and fall times of 12 ns each. It provides an isolation voltage of 3250 Vrms and functions reliably across a temperature range of -40°C to +125°C. Power dissipation is rated at 2.1 W. The component is housed in a 14-SOIC package and is designed for non-inverting logic configurations.

Isolators - Gate Drivers Feature Summary

• Capacitive coupling architecture ensures galvanic isolation between input and output channels.
• High electromagnetic immunity supports reliable operation in electrically noisy environments.
• Automotive qualification aligns with AEC-Q100 standards for automotive reliability.

Isolators - Gate Drivers Applications

• High-side and low-side isolated gate driving
• Automotive power electronics systems
• Industrial motor control applications

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix IS3R against official Skyworks documentation to confirm the 14-pin SOIC package and 8 V UVLO threshold. Ensure compatibility with required isolation ratings and thermal management specifications before integration. Cross-reference the datasheet revision date to validate parameter accuracy.

Isolators - Gate Drivers Selection Notes

Select this component when a dual-channel driver with 3250 Vrms isolation and 4 A peak current is required. The 14-SOIC package suits space-constrained designs compared to wider variants. Confirm that the 8 V under-voltage lockout threshold matches the target gate drive requirements.

Isolators - Gate Drivers Part Context

This part belongs to the Si8239x family of isolated gate drivers from Skyworks Solutions. The series combines digital signal processing with capacitive isolation technology. Variants differ primarily by package type, isolation voltage ratings, and UVLO thresholds. This specific model targets automotive and industrial sectors requiring robust noise immunity.

Isolators - Gate Drivers Replacement Considerations

Check Skyworks documentation for direct pin-compatible substitutes within the Si8239x family. Verify if alternative suffixes offer different packaging or isolation ratings while maintaining identical electrical performance characteristics.

Isolators - Gate Drivers FAQ

What is the isolation voltage rating for the SI82398BD4-IS3R?

The device provides an isolation voltage of 3250 Vrms.

Does this component meet automotive reliability standards?

Yes, it is qualified according to the AEC-Q100 standard.