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SI82391AD-ISR is listed in the Isolators - Gate Drivers range at ChipApex. The manufacturer field lists Skyworks Solutions Inc.. Its product description is DGTL ISO 5KV 2CH GATE DVR 16SOIC. Review the specifications below when checking this part for your BOM.
The SI82391AD-ISR is a dual-channel isolated gate driver from Skyworks Solutions, utilizing capacitive coupling technology for signal transmission. It features a 5000 Vrms isolation voltage and operates within a temperature range of -40°C to +125°C. The device provides a peak output current of 4 A with a maximum propagation delay of 40 ns. It supports an input voltage range of 2.5 V to 5.5 V and includes an 8 V under-voltage lockout (UVLO). Packaged in a 16-SOIC wide format, it is designed for high electromagnetic immunity applications.
Verify the specific suffix 'ISR' corresponds to the reel packaging variant when sourcing. Confirm that the 5000 Vrms isolation rating aligns with system safety requirements. Ensure compatibility with the 16-SOIC footprint during PCB layout. Check for moisture sensitivity level (MSL) handling requirements prior to assembly.
Select this component for applications requiring high-speed switching with significant isolation needs. The 4 A peak drive capability suits medium-power MOSFETs and IGBTs. Consider the 40 ns propagation delay for timing-sensitive control loops. The wide operating temperature range supports harsh environment deployment.
This part belongs to the Si8239x series of isolated gate drivers. It shares functional similarities with other members like the SI82391BD-ISR but differs in isolation voltage ratings and package options. The series emphasizes reliability through capacitive isolation technology rather than magnetic or optical methods.
Publicly confirmed substitute part numbers are not available in the provided documentation.
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