SI8275AB-IMR

Isolators - Gate Drivers Overview

The SI8275AB-IMR is a dual-channel, current-isolated gate driver manufactured by Skyworks Solutions Inc. It features a 14-LGA (5x5) surface-mount package and provides galvanic isolation with a rated insulation voltage of 2.5 kVrms. The device supports an input voltage range of 2.5 V to 5.5 V and delivers a peak output current of 4 mA. Key electrical parameters include a maximum propagation delay of 75 ns, a rise time of 16 ns, and a fall time of 18 ns. It operates within a temperature range of -40°C to +125°C and has a power dissipation rating of 1.2 W.

Isolators - Gate Drivers Feature Summary

• Provides high common-mode transient immunity for reliable signal transmission in noisy environments.
• Integrates under-voltage lockout (UVLO) functionality to ensure safe driver operation.
• Utilizes silicon dioxide (SiO2) technology for robust digital isolation.

Isolators - Gate Drivers Applications

• Industrial motor control systems
• Inverter drives
• Power supply circuits

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix 'IMR' corresponds to the tape-and-reel packaging configuration when sourcing components. Confirm that the device meets AEC-Q100 qualification requirements if automotive applications are intended. Ensure compatibility with the SI8275ISO-KIT development tools for initial validation. Cross-reference datasheet specifications against system isolation voltage requirements.

Isolators - Gate Drivers Selection Notes

Select this component for designs requiring dual-channel isolation with low latency and skew characteristics. The 14-LGA package offers a compact footprint suitable for space-constrained PCB layouts. Consider the 4 mA output drive capability when sizing external gate resistors for target switching speeds. Verify thermal management strategies given the 1.2 W power dissipation limit.

Isolators - Gate Drivers Part Context

This part belongs to the Si8275 series of isolated gate drivers from Skyworks Solutions. The series is characterized by industrial-grade performance, high speed, and low latency. It serves as a modern alternative to traditional optocouplers, offering improved reliability and consistent performance across wide temperature ranges.

Isolators - Gate Drivers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Evaluate cross-model variants within the Si8275 family for pin-compatible alternatives if necessary.

Isolators - Gate Drivers FAQ

What is the maximum operating temperature for the SI8275AB-IMR?

The maximum operating temperature is +125°C.

Does the SI8275AB-IMR support automotive applications?

Yes, the device is qualified to AEC-Q100 standards.