SI8273AB-IS1

Isolators - Gate Drivers Overview

The SI8273AB-IS1 is a dual-channel, galvanically isolated gate driver from Skyworks Solutions. It features a 2.5 kVRMS isolation voltage and supports input voltages from 2.5 V to 5.5 V with output voltages up to 30 V. The device provides 4 A peak drive current and operates within a temperature range of -40 °C to +125 °C. Key electrical parameters include a maximum propagation delay of 75 ns, rise time of 16 ns, and fall time of 18 ns. It is housed in a 16-pin SOIC package and holds AEC-Q100 qualification.

Isolators - Gate Drivers Feature Summary

• High common-mode transient immunity (CMTI) for reliable operation in noisy environments
• Programmable dead-time control to prevent shoot-through in power switches
• Integrated under-voltage lockout (UVLO) on both high-side and low-side drivers

Isolators - Gate Drivers Applications

• Switch-mode power supplies
• Solar inverters
• Motor control systems

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix 'IS1' against the manufacturer's official datasheet to confirm pinout and functional configuration. Ensure the procurement channel provides valid RoHS compliance documentation. Confirm that the supplier source matches the original manufacturer or authorized distribution network to guarantee component authenticity and traceability.

Isolators - Gate Drivers Selection Notes

Select this component when high-speed switching with robust noise immunity is required. The dual-channel design simplifies driving half-bridge configurations. Consider the 16-pin SOIC package for surface-mount assembly. Verify that the 4 A drive current meets the load requirements of the target power switches.

Isolators - Gate Drivers Part Context

This part belongs to the Si827x series of silicon-isolated gate drivers. These devices utilize Skyworks' proprietary capacitive isolation technology. The series is designed to replace traditional optocouplers in industrial applications requiring higher reliability and faster signal transmission speeds.

Isolators - Gate Drivers Replacement Considerations

Check the Si8273AB-IS datasheet for direct pin-compatible alternatives within the same family. Verify if other suffixes offer different thermal or packaging options while maintaining identical electrical characteristics.