SI8275DB-AM1

Isolators - Gate Drivers Overview

The SI8275DB-AM1 is a dual-channel isolated gate driver utilizing Skyworks' proprietary RF coupling technology. It provides 2500Vrms channel-to-channel isolation and supports output supply voltages from 4.2V to 30V. The device features peak output currents of 1.8A (high) and 4A (low), with maximum propagation delays of 60ns for both rising and falling edges. It operates within a temperature range of -40°C to +125°C, is AEC-Q100 qualified for automotive applications, and is housed in a 14-VDFN package.

Isolators - Gate Drivers Feature Summary

• High-speed digital isolation using silicon-based RF coupling technology
• Automotive-grade reliability certified under AEC-Q100 standards
• Integrated deglitching circuitry to prevent false triggering
• Dual independent channels with high common-mode transient immunity

Isolators - Gate Drivers Applications

• Isolated gate driving for IGBTs and MOSFETs in industrial inverters
• Power stage control in automotive traction and battery management systems
• Solid-state transformer and high-frequency power conversion circuits
• Motor drive applications requiring robust noise immunity

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix 'AM1' against official Skyworks documentation to confirm automotive qualification status and lead-free compliance. Ensure the procurement source provides valid traceability for AEC-Q100 components. Cross-reference the manufacturer part number with current datasheets to confirm active status and packaging details before finalizing orders.

Isolators - Gate Drivers Selection Notes

Select this component when high voltage isolation and automotive reliability are required. The dual-channel design simplifies half-bridge configurations. Consider the 60ns propagation delay and 4A peak sink current for switching speed requirements. Verify that the 14-VDFN footprint matches the PCB layout constraints.

Isolators - Gate Drivers Part Context

This device belongs to the Si827x family of isolated gate drivers. It shares the core RF coupling architecture with other models in the series but is specifically configured as a dual-channel unit. The AM1 suffix typically denotes automotive-grade variants within the Skyworks portfolio, distinguishing it from standard industrial versions.

Isolators - Gate Drivers Replacement Considerations

SI8275DB-IM1: Industrial grade equivalent with similar electrical characteristics but without automotive certification.