SI8273GAD-IM1

Isolators - Gate Drivers Overview

The SI8273GAD-IM1 is a single-channel digital isolator utilizing RF coupling technology, designed as a high-speed gate driver. It features a 1000 Vrms isolation voltage and supports an output supply range of 4.2V to 30V. The device provides peak output currents of 1.8A (high) and 4A (low). Key electrical parameters include a maximum propagation delay of 75ns, typical rise/fall times of 10.5ns/13.3ns, and a minimum common-mode transient immunity of 200kV/µs. It operates within a temperature range of -40°C to +125°C and is housed in a 14-DFN package.

Isolators - Gate Drivers Feature Summary

• Utilizes proprietary RF coupling technology for galvanic isolation without optical components
• Provides high common-mode transient immunity to prevent signal corruption during switching events
• Integrates deglitching functionality to filter out noise spikes on the input signal path

Isolators - Gate Drivers Applications

• Industrial motor control systems requiring isolated gate drive signals
• Inverter and converter topologies needing high-speed switching isolation
• Power supply circuits with high-voltage side feedback requirements

Isolators - Gate Drivers Procurement Notes

Verify component authenticity through authorized distributors due to end-of-life status. Confirm package marking and date codes against official Skyworks documentation. Check for alternative sources if immediate availability is required, as this specific part number may be discontinued or subject to limited stock constraints from original inventory.

Isolators - Gate Drivers Selection Notes

Select this component when a single-channel isolated driver with 1kV isolation is required. Ensure the application demands peak currents up to 4A and operates within the specified voltage and temperature ranges. Consider the 14-DFN footprint for PCB layout compatibility. Verify that the deglitching feature aligns with the noise environment of the target circuit.

Isolators - Gate Drivers Part Context

This device belongs to the Si827x series of digital isolators from Skyworks Solutions. It replaces older optocoupler-based solutions by offering superior speed and reliability. The series is characterized by low latency and skew, making it suitable for modern high-frequency power electronics applications where precise timing is critical.

Isolators - Gate Drivers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. The SI8273GA-IM1 is listed as obsolete; verify current Skyworks recommendations for direct replacements or pin-compatible alternatives.