SI823H8BD-IS3R

Isolators - Gate Drivers Overview

The Si823H8BD-IS3R is a dual-channel isolated gate driver from the Si823Hx series, manufactured by Skyworks Solutions. It utilizes silicon dioxide (SiO2) isolation technology to provide robust electrical isolation between input and output circuits. The device features a wide operating supply voltage range of 10.8 V to 36 V for both channels. It supports peak output currents of 4 A and 2 A respectively, with propagation delays of 50 ns and rise/fall times of 12 ns. The component is housed in a 14-lead Wide SOIC package and is qualified to AEC-Q100 standards for automotive applications.

Isolators - Gate Drivers Feature Summary

• High-voltage isolation capability using silicon dioxide dielectric technology
• Dual independent channel configuration for high-side and low-side driving
• Automotive-grade reliability with AEC-Q100 qualification
• Wide operating supply voltage range supporting various power systems

Isolators - Gate Drivers Applications

• Automotive electric vehicle motor control inverters
• On-board charger (OBC) gate drive circuits
• DC-DC converter isolation interfaces
• Industrial motor drive systems

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix IS3R indicates reel packaging when ordering. Confirm that the AEC-Q100 qualification aligns with target automotive application requirements. Ensure the 14-lead Wide SOIC footprint matches the PCB layout design. Check for any recent product change notices regarding the silicon dioxide isolation process or pinout definitions before finalizing procurement.

Isolators - Gate Drivers Selection Notes

Select this component for applications requiring high common-mode transient immunity and precise timing synchronization between two isolated channels. The dual-channel architecture simplifies board space compared to single-channel alternatives. Consider the 4 A/2 A output current capabilities against the load capacitance requirements. The wide SOIC package facilitates thermal dissipation and automated assembly processes.

Isolators - Gate Drivers Part Context

This part belongs to the Si823Hx family of isolated gate drivers designed for high-performance power switching. The family leverages Skyworks' proprietary silicon dioxide isolation technology, offering superior reliability over traditional optical or magnetic isolation methods. These drivers are engineered to withstand harsh electromagnetic environments found in modern power electronics.

Isolators - Gate Drivers Replacement Considerations

Direct substitutes within the same series include Si823H8BD-IS3 in tube packaging. Other variants in the Si823Hx family may offer different current ratings or package options but require verification of pin compatibility and electrical specifications.