SI8238BC-AS1

Isolators - Gate Drivers Overview

The SI8238BC-AS1 is a dual-channel galvanically isolated gate driver manufactured by Skyworks Solutions. It features a 3.75 kVrms isolation voltage and operates within a temperature range of -40°C to +125°C. The device supports input voltages from 2.7 V to 5.5 V and delivers a peak output current of 4 A with an output voltage of 8 V. Key electrical parameters include a maximum propagation delay of 45 ns, rise and fall times of 12 ns, and a power dissipation rating of 1.2 W. It utilizes a 16-pin SOIC-Narrow package.

Isolators - Gate Drivers Feature Summary

• Provides high electromagnetic immunity for reliable signal transmission in noisy environments
• Integrates undervoltage lockout (UVLO) functionality to ensure stable gate drive operation
• Utilizes capacitive coupling technology for robust galvanic isolation between channels

Isolators - Gate Drivers Applications

• Automotive power electronics systems
• Industrial motor control applications
• High-voltage switching circuits requiring dual channel isolation

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix AS1 against official Skyworks documentation to confirm pinout and packaging configuration. Ensure compatibility with system voltage levels and thermal requirements before integration. Cross-reference the manufacturer part number with authorized distributors to validate authenticity and supply chain integrity.

Isolators - Gate Drivers Selection Notes

Select this component when dual-channel isolation with 3.75 kVrms capability is required. Consider the 4 A peak output current and 12 ns switching speeds for high-frequency applications. Evaluate the SOIC-Narrow-16 package constraints against PCB layout limitations and thermal management needs for the target environment.

Isolators - Gate Drivers Part Context

This device belongs to the Si823x series of isolated gate drivers. It is designed for automotive and industrial markets, offering high reliability through advanced capacitive isolation technology. The series emphasizes performance metrics such as low propagation delay and high common-mode transient immunity for demanding power conversion tasks.

Isolators - Gate Drivers Replacement Considerations

The SI8238BD-AS serves as a variant within the same family but differs in insulation voltage specifications and package width. Verify functional equivalence regarding isolation ratings and pin configurations before substitution.