SI8230BD-AS

Isolators - Gate Drivers Overview

The SI8230BD-AS is a dual-channel, galvanically isolated gate driver from the Si823x series by Skyworks Solutions. It features high-speed digital isolation with a 5 kVrms insulation rating and an 8 V Under-Voltage Lockout (UVLO). The device supports High-Side and Low-Side configurations in a 14-pin SOIC-Wide package. Key electrical parameters include a maximum propagation delay of 45 ns, rise/fall times of 20 ns, and a peak output current of 500 mA. It operates within a temperature range of -40°C to +125°C and is qualified under AEC-Q100 standards for automotive applications.

Isolators - Gate Drivers Feature Summary

• Provides galvanic isolation with high electromagnetic immunity for robust signal transmission.
• Integrates independent High-Side and Low-Side drivers for bridge configurations.
• Features 8 V UVLO to ensure stable operation during power supply transients.
• Utilizes silicon dioxide (SiO2) digital isolation technology for reliability.

Isolators - Gate Drivers Applications

• Automotive motor control systems
• Industrial inverters and converters
• High-voltage power supply gating

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix 'AS' against the official Skyworks datasheet to confirm pinout and packaging details, as variations exist within the Si823x family. Ensure compatibility with AEC-Q100 requirements if used in automotive contexts. Cross-reference the 14-pin SOIC-Wide footprint with PCB design guidelines to maintain adequate creepage distances for the 5 kV isolation rating.

Isolators - Gate Drivers Selection Notes

Select this component when high-speed switching with strong noise immunity is required in isolated environments. The 500 mA peak drive current suits medium-power MOSFETs and IGBTs. Consider the 45 ns propagation delay for timing-sensitive applications. Verify that the 8 V UVLO threshold aligns with the target gate drive voltage requirements of the connected power devices.

Isolators - Gate Drivers Part Context

This part belongs to the Si823x family of isolated gate drivers, which are designed to replace traditional magnetic couplers. The family offers various channel counts and isolation voltages. The SI8230 variant specifically provides dual-channel functionality with high-speed performance, targeting applications requiring reliable isolation between control logic and high-voltage power stages.

Isolators - Gate Drivers Replacement Considerations

Direct substitutes may include other Skyworks Si823x variants with similar isolation ratings and package types. Verify functional equivalence regarding UVLO thresholds and drive strength before substitution. Check for pin-to-pin compatibility in the SOIC-Wide-14 package to avoid redesign efforts.

Isolators - Gate Drivers FAQ

What is the isolation voltage rating of the SI8230BD-AS?

The device has a 5 kVrms insulation rating, suitable for high-voltage isolation applications.

Does the SI8230BD-AS support both high-side and low-side driving?

Yes, it is configured as a dual-channel driver supporting both High-Side and Low-Side outputs.

What is the maximum propagation delay for this component?

The maximum propagation delay is specified as 45 ns.