SI8233AC-D-IS1R

Isolators - Gate Drivers Overview

The SI8233AC-D-IS1R is a dual-channel, galvanically isolated gate driver from Skyworks Solutions. It utilizes capacitive coupling technology to provide high electromagnetic immunity and robust signal isolation. The device features a 3750 Vrms isolation voltage rating and supports an output supply voltage range of 6.5V to 24V. It delivers a peak output current of 4A with typical rise and fall times of 12ns. Maximum propagation delay is 45ns, and it operates within a temperature range of -40°C to +125°C in a 16-SOIC package.

Isolators - Gate Drivers Feature Summary

• Capacitive coupling technology for high common-mode transient immunity
• Dual-channel configuration supporting high-side and low-side driving
• Integrated undervoltage lockout (UVLO) for reliable operation
• Automotive grade qualification compliant with AEC-Q100 standards

Isolators - Gate Drivers Applications

• Industrial motor drives and inverters
• High-voltage power supplies
• Solar micro-inverters and grid-tied systems
• Isolated DC-DC converter topologies

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix 'D' indicates the correct isolation voltage rating of 3750 Vrms, distinct from other variants like 'B' or 'C'. Confirm the '-ISR' suffix corresponds to the tape-and-reel packaging format required for automated assembly processes. Ensure compatibility with the target PCB footprint for the 16-SOIC narrow package before finalizing procurement orders.

Isolators - Gate Drivers Selection Notes

Select this component when a dual-channel isolated driver with 3750 Vrms isolation is required. It is suitable for applications demanding high common-mode noise rejection due to its capacitive coupling architecture. Consider the 4A peak drive capability for medium-power MOSFETs or IGBTs. Verify that the 6.5V minimum UVLO threshold aligns with the available gate drive supply voltage in the design.

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) based capacitive isolation technology. This specific model represents the AC variant, distinguished by its 3750 Vrms isolation rating compared to other series members offering different voltage ratings.

Isolators - Gate Drivers FAQ

What is the maximum common-mode transient immunity of the SI8233AC?

The datasheet specifies high common-mode transient immunity characteristic of capacitive coupling technology, though exact numerical values are typically found in the detailed electrical characteristics table.

Does the SI8233AC support both high-side and low-side configurations?

Yes, the device is configured as a dual driver capable of driving both high-side and low-side switches independently.