SI8275GB-AS1

Isolators - Gate Drivers Overview

The SI8275GB-AS1 is an automotive-grade, current-isolated gate driver from the Si8275 series by Skyworks Solutions. It features a dual driver configuration in a SOIC-16 package. Key electrical parameters include a maximum propagation delay of 75 ns, rise time of 16 ns, and fall time of 18 ns. The device supports an input voltage range of 2.5 V to 5.5 V and operates with a working supply current of 10 mA. It provides an output current of 4 mA and offers an insulation voltage of 2.5 kVrms. The component is qualified for operation between -40°C and +125°C, with a power dissipation rating of 1.2 W.

Isolators - Gate Drivers Feature Summary

• Automotive qualification ensuring reliability in high-vibration environments
• High common-mode transient immunity (CMTI) for noise resilience
• Low latency and skew characteristics for precise timing control

Isolators - Gate Drivers Applications

• Automotive power electronics systems
• Motor drive applications requiring isolated switching
• Inverter circuits in electric vehicle architectures

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix AS1 against official Skyworks documentation to confirm automotive grade status and pinout compatibility. Ensure the SOIC-16 package variant matches your PCB footprint requirements. Cross-reference the datasheet revision date to validate parameter accuracy before finalizing procurement orders.

Isolators - Gate Drivers Selection Notes

Select this component when high-speed isolation with automotive reliability is required. The dual channel design simplifies layout for half-bridge configurations. Consider the 2.5 kVrms isolation barrier for safety compliance. Evaluate the 75 ns propagation delay against system switching frequency requirements to ensure adequate timing margins.

Isolators - Gate Drivers Part Context

Part of the Si8275 family of digital isolators and gate drivers. This series utilizes Skyworks' proprietary capacitive coupling technology. The family includes single, dual, and high-side/low-side variants. The SI8275GB-AS1 specifically targets automotive applications demanding high CMTI and low latency performance.

Isolators - Gate Drivers Replacement Considerations

SI8275GBD-AS1

Isolators - Gate Drivers FAQ

What is the maximum common-mode transient immunity (CMTI) of the SI8275GB-AS1?

The device exhibits high dV/dt immunity with a CMTI of 200 kV/μs and latch-up immunity of 400 kV/μs.

Does the SI8275GB-AS1 support PWM inputs?

Yes, the Si8275 series supports single PWM or dual digital inputs depending on the specific configuration selected.