SI82394BD-ASR

Isolators - Gate Drivers Overview

The SI82394BD-ASR is a dual-channel, current-isolated gate driver from the Si8239x series by Skyworks Solutions. It features capacitive coupling for galvanic isolation with a rated insulation voltage of 2500 Vrms. The device operates in a non-inverting configuration and supports TTL logic inputs. Key electrical parameters include a maximum propagation delay of 40 ns, rise and fall times of 12 ns each, and a peak output current capability of 4 A. It functions within an operating temperature range of -40°C to +125°C and dissipates up to 2.1 W of power. The component is housed in a 16-SOIC wide package and is supplied in tape and reel format.

Isolators - Gate Drivers Feature Summary

• Provides high electromagnetic immunity through capacitive coupling technology
• Supports automotive applications with robust isolation characteristics
• Delivers high-speed switching performance with low propagation delay

Isolators - Gate Drivers Applications

• Automotive power electronics systems
• High-voltage industrial motor drives
• Inverter circuits requiring galvanic isolation

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix ASR indicates tape and reel packaging when sourcing. Confirm that the 2500 Vrms isolation rating meets system safety requirements. Ensure the SOIC-Wide-16 footprint matches the PCB layout. Check for RoHS compliance status as indicated in official documentation before finalizing procurement.

Isolators - Gate Drivers Selection Notes

Select this component for designs requiring dual-channel isolation with high surge immunity. Compare against other Si8239x variants based on required insulation voltage levels and package constraints. Consider the 4 A output drive strength for driving MOSFETs or IGBTs. Verify thermal management capabilities given the 2.1 W power dissipation specification at maximum load conditions.

Isolators - Gate Drivers Part Context

This part belongs to the Si8239x family of isolated gate drivers designed for demanding environments. The series emphasizes reliability in noisy electrical settings typical of automotive and industrial sectors. The BD-ASR variant specifically denotes the wide SOIC package and reel packaging option within this product line.

Isolators - Gate Drivers Replacement Considerations

Check for direct substitutes within the Si8239x family such as SI82394CD4-IS3 or SI82394AB4-IS1. Verify pin compatibility and isolation voltage ratings before substitution. Ensure the alternative part meets the same automotive qualification standards if required.