SI8275GBD-IS1R

Isolators - Gate Drivers Overview

The SI8275GBD-IS1R is a dual-channel galvanically isolated gate driver from Skyworks Solutions. It features radio frequency coupling technology providing 2500 Vrms isolation voltage and high common-mode transient immunity. The device operates within a temperature range of -40°C to +125°C and utilizes a 16-lead SOIC package. Key electrical specifications include a maximum propagation delay of 75 ns, with rise and fall times of 16 ns and 18 ns respectively. It supports an input voltage range of 2.5 V to 5.5 V and includes under-voltage lockout (UVLO) functionality.

Isolators - Gate Drivers Feature Summary

• Dual-channel configuration with independent signal paths for precise control
• High common-mode transient immunity ensuring reliable operation in noisy environments
• Integrated deglitching circuitry to filter out spurious signals
• Under-voltage lockout mechanism protects against improper power states

Isolators - Gate Drivers Applications

• Industrial motor drives requiring robust isolation
• Power supply systems utilizing high-frequency switching
• Automotive electronics demanding AEC-Q100 qualified components
• Inverter circuits in renewable energy applications

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix AS1R or IS1R against official Skyworks documentation to confirm pinout and UVLO thresholds. Ensure the 16-lead SOIC package matches the target PCB footprint. Confirm that the RF coupling isolation rating meets the system's safety requirements. Check for recent product change notifications regarding manufacturing sites or materials. Validate availability through authorized distributors as stock levels fluctuate.

Isolators - Gate Drivers Selection Notes

Select this component when dual-channel isolation with high CMTI is required. Compare propagation delays and output drive capabilities against alternative drivers. Consider the 16-lead SOIC package size relative to board space constraints. Evaluate the need for deglitching features in high-noise industrial settings. Verify compatibility with the system's logic voltage levels and operating temperature range.

Isolators - Gate Drivers Part Context

This part belongs to the Si827x series of isolated gate drivers. It complements single-channel variants like the SI8271 and other dual-channel options within the family. The series emphasizes low latency and skew for synchronized multi-phase applications. It serves as a replacement for traditional optocoupler-based solutions in modern power electronics designs.

Isolators - Gate Drivers Replacement Considerations

• SI8275DBD-IS1
• SI8275GBD-IM1R

Isolators - Gate Drivers FAQ

What is the isolation voltage rating of the SI8275GBD-IS1R?

The device provides 2500 Vrms of isolation voltage between the input and output channels.

Does this driver include deglitching functionality?

Yes, the SI8275GBD-IS1R integrates deglitching circuits to suppress narrow pulse noise on the input signals.

What is the maximum propagation delay specified for this component?

The maximum propagation delay is 75 ns for both rising and falling edges.