SI8274DB1-AS1

Isolators - Gate Drivers Overview

The SI8274DB1-AS1 is a single-channel, automotive-qualified isolated gate driver from the Si8274 series by Skyworks Solutions. It features high common-mode transient immunity of 200 kV/µs and latch-up immunity up to 400 kV/µs. The device operates within a supply voltage range of 2.5 V to 5.5 V on the input side and provides a 3 V output drive capability. It supports PWM input signals and includes undervoltage lockout (UVLO) for both high-side and low-side configurations. Packaged in a 16-SOIC surface-mount format, it ensures reliable performance across an extended temperature range of -40°C to +125°C with a maximum propagation delay of 105 ns.

Isolators - Gate Drivers Feature Summary

• Automotive-grade qualification ensuring reliability in demanding environments
• High common-mode transient immunity with latch-up protection
• Integrated undervoltage lockout for stable operation

Isolators - Gate Drivers Applications

• Automotive power electronics systems
• Motor control applications requiring galvanic isolation
• Industrial inverters and converters

Isolators - Gate Drivers Procurement Notes

Verify that the specific suffix AS1 corresponds to the required automotive grade and 3 V output configuration. Confirm package integrity upon receipt as moisture sensitivity is indicated. Ensure compatibility with system voltage levels before integration. Cross-reference official datasheets for pinout accuracy to prevent circuit damage during installation.

Isolators - Gate Drivers Selection Notes

Select this component when automotive reliability and high-speed isolation are critical. The 3 V output level suits specific logic families or gate requirements. Consider the 16-SOIC footprint for PCB layout constraints. Evaluate thermal dissipation capabilities against expected load currents to ensure operation within safe limits.

Isolators - Gate Drivers Part Context

This part belongs to the Si8274 family of digital isolators designed for high-performance power switching. It distinguishes itself through automotive certification and robust noise immunity. The single-channel configuration simplifies design for applications requiring one isolated drive path. It complements dual-channel variants for more complex topologies.

Isolators - Gate Drivers Replacement Considerations

SI8274GB1-AS1 offers similar specifications but may differ in specific output voltage characteristics or packaging nuances. Verify functional equivalence regarding UVLO thresholds and propagation delays before substitution.