SI82391BB-IS1R

Isolators - Gate Drivers Overview

The SI82391BB-IS1R is a dual-channel digital isolator gate driver from Skyworks Solutions, designed for automotive applications. It features capacitive coupling technology with a 2500 Vrms isolation voltage and operates within a temperature range of -40°C to +125°C. The device provides a maximum propagation delay of 40 ns, with rise and fall times of 12 ns each. It supports an input voltage range of 2.5 V to 5.5 V and delivers a peak output current of 4 A. Packaged in a 16-pin SOIC-Narrow format on a reel, it meets AEC-Q100 qualification standards.

Isolators - Gate Drivers Feature Summary

• Capacitive coupling architecture providing high electromagnetic immunity
• Automotive-grade reliability with AEC-Q100 qualification
• Dual isolated channel configuration for independent control

Isolators - Gate Drivers Applications

• Automotive power electronics systems
• Motor drive control circuits
• High-voltage switching applications requiring galvanic isolation

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix IS1R confirms the tape and reel packaging format required for automated assembly processes. Confirm that the 2500 Vrms isolation rating aligns with your system's safety requirements. Ensure the SOIC-Narrow-16 package dimensions fit your PCB layout constraints. Validate that the non-inverting logic configuration matches your control signal polarity needs before finalizing procurement.

Isolators - Gate Drivers Selection Notes

Select this component when automotive certification and high electromagnetic immunity are critical. The dual-channel design allows for simultaneous control of separate loads or half-bridge configurations. Consider the 4 A output capability for driving moderate-power MOSFETs or IGBTs. The wide operating temperature range ensures functionality in harsh automotive environments without derating concerns.

Isolators - Gate Drivers Part Context

This part belongs to the Si8239x series of isolated gate drivers. It shares core architectural features with other variants in the family but differs in insulation voltage ratings and packaging options. The SI82391BB-IS1R specifically targets automotive markets with its qualified status and robust isolation performance.

Isolators - Gate Drivers Replacement Considerations

Direct substitutes include other parts within the Si8239x family, such as the SI82391CD-AS or SI82394BD-IS, provided they meet the specific insulation and packaging requirements. Verify pin compatibility and electrical specifications before substitution.