SI82398AB4-IS1R

Isolators - Gate Drivers Overview

The SI82398AB4-IS1R is a dual-channel, galvanically isolated gate driver from Skyworks Solutions. It features capacitive coupling technology providing 2500 Vrms isolation voltage and operates within a -40°C to +125°C temperature range. The device delivers 4 A peak output current with 40 ns maximum propagation delay. It includes a 6 V under-voltage lockout (UVLO) and supports TTL logic inputs. Packaged in a 16-SOIC surface-mount format, it is AEC-Q100 qualified for automotive applications.

Isolators - Gate Drivers Feature Summary

• High electromagnetic immunity suitable for industrial environments
• Capacitive coupling technology ensures robust signal isolation
• Integrated shutdown functionality for precise control

Isolators - Gate Drivers Applications

• Automotive power electronics systems
• Industrial motor drives
• Inverter circuits

Isolators - Gate Drivers Procurement Notes

Verify the IS1 suffix indicates standard operating conditions and SOIC-N package configuration. Confirm AEC-Q100 qualification status aligns with specific automotive project requirements. Ensure ESD protection measures are implemented during handling due to moisture sensitivity classification. Cross-reference datasheet revision dates to ensure compatibility with existing design specifications.

Isolators - Gate Drivers Selection Notes

Select this component when high-speed switching with robust isolation is required. The 4 A drive capability suits medium-power MOSFET and IGBT applications. Consider the 16-SOIC footprint for PCB layout constraints. Verify input voltage ranges match the controlling logic levels. Evaluate thermal dissipation needs against the 2 W power rating in enclosed designs.

Isolators - Gate Drivers Part Context

This part belongs to the Si8239x series of isolated gate drivers. It complements other variants in the family by offering dual-channel configuration with specific UVLO thresholds. The series utilizes Skyworks' proprietary capacitive isolation technology for reliable performance in noisy electrical environments.

Isolators - Gate Drivers Replacement Considerations

Direct substitutes include SI82398AB4-IS1 and SI82398AB4-AS1R. Verify pinout compatibility and isolation voltage ratings before substitution. Check if alternative packages meet spatial constraints.