SI88440BC-ASR

Isolators - Gate Drivers Overview

The SI88440BC-ASR is a unidirectional digital isolator from the Si88440 series, manufactured by Skyworks Solutions. It features four independent channels housed in an SOIC-20 surface-mount package. The device supports data rates up to 100 Mb/s with a propagation delay of 18 ns and rise/fall times of 2.5 ns. It operates on a supply voltage between 3 V and 5.5 V, offering an insulation voltage of 5000 Vrms. The component functions within a temperature range of -40°C to +125°C and includes no shutdown control.

Isolators - Gate Drivers Feature Summary

• Provides galvanic isolation for four signal channels using capacitive coupling technology.
• Supports high-speed data transmission at rates up to 100 Mb/s with low pulse width distortion.
• Ensures robust electrical safety with a high insulation voltage rating suitable for demanding industrial environments.

Isolators - Gate Drivers Applications

• Industrial automation systems requiring isolated signal transmission
• Power electronics gate driver circuits needing high-voltage isolation
• Medical equipment interfaces requiring certified electrical isolation

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix ASR corresponds to the tape and reel packaging configuration required for automated assembly processes. Confirm that the SOIC-20 footprint matches the target PCB design guidelines. Ensure compliance with RoHS directives and check for any regional distribution restrictions or moisture sensitivity level requirements before finalizing procurement orders.

Isolators - Gate Drivers Selection Notes

Select this component when four unidirectional isolated channels are necessary within a single compact package. The wide operating temperature range and high insulation voltage make it suitable for harsh industrial conditions. Compare against other channel counts if fewer signals require isolation, or consider alternative packages if space constraints differ significantly from the SOIC-20 dimensions.

Isolators - Gate Drivers Part Context

This part belongs to the Si88440 family of digital isolators designed for high-reliability applications. It complements other variants like the SI88440BC-AS which uses tube packaging, offering flexibility in manufacturing integration. The series emphasizes performance metrics such as low propagation delay and high common-mode transient immunity for precise timing-critical applications.

Isolators - Gate Drivers Replacement Considerations

Direct substitutes include SI88440BC-AS for identical electrical specifications but different tube packaging. For reel-based alternatives, verify availability of equivalent Skyworks isolators with matching channel counts and insulation ratings. Cross-reference pinouts and thermal characteristics to ensure mechanical compatibility during replacement scenarios.