SI82C50AEC-IS

Isolators - Gate Drivers Overview

The SI82C50AEC-IS is a single-channel isolated gate driver from Skyworks Solutions, designed for automotive applications with AEC-Q100 qualification. It features capacitive coupling technology providing 3750 Vrms isolation and supports output currents up to 4 A. The device operates on a supply voltage range of 3 V to 20 V and includes both inverting and non-inverting configurations. Key electrical parameters include a maximum propagation delay of 43.3 ns, rise time of 17 ns, and fall time of 18 ns. It functions within a temperature range of -40°C to +125°C and is housed in an 8-pin SOIC package.

Isolators - Gate Drivers Feature Summary

• Capacitive coupling technology ensures high reliability and immunity to transient common-mode noise.
• Automotive-grade qualification compliant with AEC-Q100 standards for robust performance.
• Integrated shutdown pin allows for precise control over the output state.
• Dual logic inputs provide flexibility with both inverting and non-inverting signal paths.

Isolators - Gate Drivers Applications

• Isolated gate driving for IGBTs and MOSFETs in automotive power modules
• On-board charger (OBC) systems in electric vehicles
• DC-DC converter isolation stages
• Motor drive control circuits

Isolators - Gate Drivers Procurement Notes

Verify that the specific suffix 'IS' corresponds to the standard tube packaging configuration as listed in official Skyworks documentation. Confirm AEC-Q100 certification status directly through manufacturer datasheets or authorized distributor certificates of compliance. Ensure the ordering part number matches the required isolation voltage rating of 3750 Vrms and the 4-Amp output current capability specified for this variant.

Isolators - Gate Drivers Selection Notes

Select this component when high-speed switching with strong common-mode rejection is required in automotive environments. The 4-Amp peak output current suits medium-power devices, while the wide operating voltage range accommodates various logic levels. Consider the SOIC-8 package dimensions for PCB layout constraints. Verify thermal management requirements given the 125°C maximum junction temperature limit and the specific propagation delay characteristics relative to system timing budgets.

Isolators - Gate Drivers Part Context

This device belongs to the SI82xx family of isolated gate drivers utilizing Skyworks' proprietary capacitive isolation technology. Unlike magnetic isolators, it offers superior immunity to magnetic interference and smaller form factors. The 'AEC' designation indicates automotive qualification, distinguishing it from commercial variants. It serves as a critical interface between low-voltage control logic and high-voltage power switches in modern electrified vehicle architectures.

Isolators - Gate Drivers Replacement Considerations

Check Skyworks official substitution guides for equivalent parts within the SI82 series. Verify if alternative suffixes like 'ISR' (reel packaging) meet mechanical assembly needs. Ensure any substitute maintains the same 3750 Vrms isolation rating and 4-Amp output current specification. Cross-reference pinouts and electrical parameters to guarantee compatibility without redesigning the host circuit board.