SI8238BB-AS1R

Isolators - Gate Drivers Overview

The SI8238BB-AS1R is an automotive-grade, dual-channel current-isolated gate driver manufactured by Skyworks Solutions. It provides galvanic isolation between control circuitry and power switches, featuring a 3750 Vrms insulation voltage rating. The device operates within a temperature range of -40°C to +125°C and supports supply voltages up to 30V. Key electrical characteristics include a maximum propagation delay of 45 ns, with rise and fall times of 12 ns each. It is housed in a 16-pin SOIC-Narrow package and is designed for high-reliability applications requiring robust signal integrity.

Isolators - Gate Drivers Feature Summary

• Provides galvanic isolation for driving power switches in high-voltage environments
• Automotive qualification compliant with AEC-Q100 standards for reliability
• Features wide operating supply voltage range supporting various power architectures

Isolators - Gate Drivers Applications

• Electric vehicle (EV) motor drives and inverters
• On-board charging systems (OBC)
• DC-DC converters in automotive platforms

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix AS1R indicates reel packaging when sourcing. Confirm AEC-Q100 compliance requirements match your system's automotive grade specifications. Ensure the 16-pin SOIC-Narrow footprint aligns with your PCB layout constraints before finalizing procurement.

Isolators - Gate Drivers Selection Notes

Select this component for applications requiring high-speed switching with robust isolation. The 3750 Vrms rating offers enhanced safety margins over standard 2500 Vrms devices. Consider the 45 ns propagation delay for timing-sensitive control loops in power conversion stages.

Isolators - Gate Drivers Part Context

This part belongs to the Si823x family of isolated gate drivers from Skyworks Solutions. The series is characterized by silicon dioxide-based digital isolation technology, offering superior performance compared to traditional optical or magnetic isolators in terms of speed and longevity.

Isolators - Gate Drivers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing designs if considering alternative models from the same manufacturer.