SI8235AC-AS1

Isolators - Gate Drivers Overview

The SI8235AC-AS1 is a dual-channel, automotive-grade isolated gate driver manufactured by Skyworks Solutions. It utilizes capacitive coupling technology to provide galvanic isolation with a rated insulation voltage of 3.75 kVrms. The device features a high peak output current capability of 4.0 A and supports both high-side and low-side configurations. Key electrical parameters include a maximum propagation delay of 45 ns, rise and fall times of 12 ns each, and a power dissipation rating of 1.2 W. It operates within a temperature range of -40°C to +125°C and accepts TTL logic inputs.

Isolators - Gate Drivers Feature Summary

• High electromagnetic immunity for robust signal integrity in noisy environments
• Automotive qualification ensuring reliability under demanding operating conditions
• Capacitive coupling architecture providing galvanic isolation without optical components

Isolators - Gate Drivers Applications

• Motor control systems requiring precise gate drive signals
• Industrial power conversion applications
• Automotive electronic control units (ECUs)

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix AS1 against official Skyworks documentation to confirm package type and tape/reel specifications. Ensure that the selected variant matches the required insulation voltage and channel configuration for the target application design.

Isolators - Gate Drivers Selection Notes

Select this component when a dual-channel driver with 4.0 A output current and 3.75 kVrms isolation is required. Consider the 45 ns propagation delay and 12 ns switching speeds for timing-sensitive designs. Confirm compatibility with the SOIC-Narrow-16 package footprint during PCB layout.

Isolators - Gate Drivers Part Context

This part belongs to the Si823x series of isolated gate drivers from Skyworks Solutions. The series includes variants with different current ratings and insulation voltages, such as the 2.5 kVrms models. The SI8235AC-AS1 specifically addresses applications needing higher current drive capabilities within an automotive-compliant form factor.

Isolators - Gate Drivers Replacement Considerations

Consult the official Skyworks cross-reference guide for verified substitutes. Potential alternatives may include other parts within the Si823x family or comparable devices from other manufacturers, provided they meet the same electrical and isolation requirements.