SI8273ABD-IMR

Isolators - Gate Drivers Overview

The SI8273ABD-IMR is a dual-channel isolated gate driver from Skyworks Solutions. It features high CMTI and operates with a 1.8A/4A output current capability. The device utilizes capacitive coupling technology for signal isolation. It supports a supply voltage range of 2.5V to 5.5V. The component is housed in a DFN-14 package. It offers a maximum propagation delay of 75 ns. Rise and fall times are specified at 16 ns and 18 ns respectively. The unit provides 2.5 kVrms insulation voltage. It is qualified under AEC-Q100 standards for automotive use.

Isolators - Gate Drivers Feature Summary

• Dual-channel configuration providing independent high-side and low-side drive capabilities
• Capacitive coupling technology enabling robust signal isolation
• High common-mode transient immunity (CMTI) performance

Isolators - Gate Drivers Applications

• Automotive power electronics systems
• Motor control applications
• Industrial inverter drives

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix 'IMR' against official Skyworks documentation to confirm the tape-and-reel packaging format. Ensure the ordering part number matches the exact electrical specifications required for the target application, as variations exist within the Si827x family. Cross-reference the datasheet revision date to confirm compatibility with current design constraints.

Isolators - Gate Drivers Selection Notes

Select this component when dual-channel isolation with high CMTI is required for automotive or industrial environments. The DFN-14 package suits space-constrained designs. Verify that the 2.5 kVrms isolation rating meets system safety requirements. Confirm that the 1.8A/4A peak drive current aligns with the gate charge demands of the target power switches.

Isolators - Gate Drivers Part Context

This device belongs to the Si827x series of digital isolators. It replaces older optocoupler technologies by offering faster switching speeds and higher reliability. The series is designed for demanding applications requiring robust galvanic isolation between control and power stages.

Isolators - Gate Drivers Replacement Considerations

Check the SI8273ABD-IM3 for tray packaging alternatives. Consider the SI8273GA-IM1 for single-channel variants if only one channel is needed. Verify pinout compatibility before substituting with other Si827x models.