SI8273BBD-AS1

Isolators - Gate Drivers Overview

The SI8273BBD-AS1 is a single-channel automotive-grade galvanically isolated gate driver manufactured by Skyworks Solutions. It features high common-mode transient immunity (CMTI) of 200 kV/µs and supports up to 400 kV/µs latch-up immunity. The device provides 2.5 kVrms isolation voltage with an 8V under-voltage lockout (UVLO). It operates within a temperature range of -40°C to +125°C, utilizing a SOIC-16 surface-mount package. Key electrical parameters include a maximum propagation delay of 75 ns, rise time of 16 ns, and fall time of 18 ns. Input voltage ranges from 2.5 V to 5.5 V, while the output current capability is specified at 4 mA.

Isolators - Gate Drivers Feature Summary

• Automotive qualification with high CMTI for robust noise immunity
• Integrated deglitching functionality to prevent false triggering
• Capacitive coupling technology enabling high-speed signal transmission

Isolators - Gate Drivers Applications

• Automotive power electronics systems
• High-side and low-side MOSFET driving
• Industrial motor control applications requiring isolation

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix AS1 against official Skyworks documentation to confirm automotive grade classification and pinout configuration. Ensure compatibility with system voltage requirements and thermal management needs. Cross-reference the SOIC-16 package dimensions with PCB layout guidelines. Confirm availability status through authorized distributors as supply chain conditions may vary.

Isolators - Gate Drivers Selection Notes

Select this component when automotive reliability and high CMTI are critical for system stability. The integrated deglitch feature simplifies design by reducing external component count. Compare performance metrics such as propagation delay and output current against alternative drivers to ensure adequate drive strength for target load capacitance. Validate operating temperature range compliance for the intended environment.

Isolators - Gate Drivers Part Context

This part belongs to the Si8273 series of isolated gate drivers from Skyworks Solutions. The series offers various configurations including single, dual, and high-side/low-side options. The SI8273BBD-AS1 specifically targets automotive applications, leveraging capacitive isolation technology to provide reliable operation in electrically noisy environments typical of modern vehicle architectures.

Isolators - Gate Drivers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data. Consult Skyworks Solutions technical support or official product selection guides for verified cross-references.