SI8275DAD-AM1R

Isolators - Gate Drivers Overview

The SI8275DAD-AM1R is a dual-channel automotive-grade isolated gate driver from Skyworks Solutions. It features a 1 kVrms isolation voltage and supports a supply voltage range of 4.2 V to 30 V. The device delivers peak output currents of 1.8 A for the high-side channel and 4 A for the low-side channel. Key electrical parameters include a maximum propagation delay of 75 ns, a typical rise time of 10.5 ns, and a fall time of 13.3 ns. It operates within a temperature range of -40°C to +125°C and is housed in a 14-QFN (5x5) package.

Isolators - Gate Drivers Feature Summary

• Provides galvanic isolation with high common-mode transient immunity for reliable signal transmission across potential barriers.
• Features independent high-side and low-side outputs optimized for driving power switches in demanding environments.
• Complies with AEC-Q100 automotive qualification standards for robust performance under varying thermal conditions.

Isolators - Gate Drivers Applications

• Automotive motor control systems
• Inverter bridge drive circuits
• High-voltage DC/DC converter topologies

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix AM1R against official Skyworks documentation to confirm reel packaging and tape-and-reel specifications. Ensure the component meets current AEC-Q100 reliability requirements for your target application. Cross-reference the datasheet revision history to validate parameter consistency before finalizing procurement orders.

Isolators - Gate Drivers Selection Notes

Select this component when an automotive-rated dual-channel driver with 1 kV isolation is required. Consider the 14-QFN footprint for space-constrained PCB layouts. Evaluate the 4 A peak current capability against the gate charge requirements of the intended power devices to ensure adequate drive strength.

Isolators - Gate Drivers Part Context

This part belongs to the SI827x family of digital isolators. It utilizes silicon dioxide (SiO2) isolation technology to provide high CMTI. The series is designed for applications requiring precise timing and low latency between control logic and power stages.

Isolators - Gate Drivers Replacement Considerations

Check Skyworks documentation for direct pin-compatible alternatives within the SI827x family that may offer different isolation voltages or package options.