SI8233BB-D-IS1

Isolators - Gate Drivers Overview

The SI8233BB-D-IS1 is a dual-channel, galvanically isolated gate driver from the Si823x series by Skyworks Solutions. It utilizes capacitive coupling technology to provide high-speed signal transmission with a maximum propagation delay of 45 ns and rise/fall times of 12 ns. The device features independent high-side and low-side drivers capable of sourcing 2 A and sinking 4 A peak output current. It operates within a supply voltage range of 9.4 V to 24 V and offers 2.5 kVrms isolation voltage. Qualified under AEC-Q100 standards, it supports a wide operating temperature range from -40°C to +125°C.

Isolators - Gate Drivers Feature Summary

• Dual-channel architecture with independent high-side and low-side outputs for flexible switching control
• Capacitive coupling technology ensures robust signal integrity and high electromagnetic interference immunity
• Integrated undervoltage lockout (UVLO) function prevents improper operation during power-up or brown-out conditions
• AEC-Q100 qualified for automotive reliability requirements

Isolators - Gate Drivers Applications

• Motor drive and control systems
• Industrial power management circuits
• Isolated DC-DC converter designs

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix 'IS1' corresponds to the tape-and-reel packaging configuration when ordering. Confirm that the 2.5 kVrms isolation rating meets your system's safety clearance requirements. Ensure the input logic levels are compatible with your microcontroller or FPGA outputs. Check for any recent Product Change Notifications regarding assembly or material updates.

Isolators - Gate Drivers Selection Notes

Select this component when a dual-channel isolated driver with moderate speed (45 ns delay) is required. It is suitable for applications where 2.5 kVrms isolation is sufficient compared to higher voltage variants. Consider the 16-SOIC package constraints for PCB layout. Verify that the 9.4 V minimum UVLO threshold aligns with your bootstrap or auxiliary power supply capabilities.

Isolators - Gate Drivers Part Context

This part belongs to the Si823x family of isolated gate drivers, which are designed for driving MOSFETs and IGBTs in harsh electrical environments. The family leverages Silicon Labs' proprietary capacitive isolation technology to replace traditional magnetic transformers. The SI8233 variant specifically provides two channels, making it ideal for half-bridge and full-bridge topologies common in power electronics.

Isolators - Gate Drivers Replacement Considerations

Check for SI8233BD-D-IS1 if higher 5 kVrms isolation is needed. Verify pin compatibility with other Si823x models before substitution.