SI8235BD-D-IS3R

Isolators - Gate Drivers Overview

The SI8235BD-D-IS3R is a dual-channel isolated gate driver from Skyworks Solutions, utilizing capacitive coupling technology for galvanic isolation. It features a 5 kVrms isolation voltage and supports an output supply voltage range of 9.4 V to 24 V. The device provides peak output currents of 2 A (high) and 4 A (low), with a maximum propagation delay of 45 ns. It operates within a temperature range of -40°C to +125°C and is housed in a 14-pin SOIC-Wide package. The component holds AEC-Q100 qualification for automotive applications.

Isolators - Gate Drivers Feature Summary

• Capacitive coupling technology enables high electromagnetic immunity and robust signal transmission across the isolation barrier.
• Integrated undervoltage lockout (UVLO) ensures reliable operation by preventing partial turn-on during low supply conditions.
• High common-mode transient immunity protects against noise-induced errors in electrically noisy environments.
• Automotive-grade qualification ensures compliance with rigorous reliability standards for vehicle electronics.

Isolators - Gate Drivers Applications

• Isolated gate driving for IGBTs and MOSFETs in motor drives
• Power conversion systems requiring galvanic isolation
• Automotive power electronics and control modules

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix 'IS3R' corresponds to the 14-pin SOIC-Wide tape-and-reel packaging configuration. Confirm that the required isolation voltage rating of 5 kVrms meets system safety standards. Ensure the operating temperature range aligns with the intended environmental conditions. Cross-reference the datasheet for pinout compatibility if replacing existing designs.

Isolators - Gate Drivers Selection Notes

Select this component when high-speed switching with strong noise immunity is required. The dual-channel design simplifies half-bridge configurations. Consider the 45 ns propagation delay for timing-sensitive applications. The automotive qualification makes it suitable for harsh environments where standard industrial parts may fail.

Isolators - Gate Drivers Part Context

This part belongs to the Si823x family of isolated gate drivers from Skyworks Solutions. The family utilizes proprietary capacitive isolation technology, offering advantages over traditional magnetic or optical isolators in terms of size, speed, and reliability. The SI8235 variant specifically targets applications requiring higher current drive capabilities compared to lower-end models in the series.

Isolators - Gate Drivers Replacement Considerations

SI8235BD-D-ISR