SI8275DBD-IM1

Isolators - Gate Drivers Overview

The SI8275DBD-IM1 is a dual-channel isolated gate driver from Skyworks Solutions. It utilizes RF coupling technology for signal transmission, providing high common-mode transient immunity of 200kV/µs. The device features asymmetric output currents of 1.8A source and 4A sink. It operates with an output supply voltage range of 4.2V to 30V. Key timing parameters include maximum propagation delays of 75ns and typical rise/fall times of 10.5ns and 13.3ns respectively. The component is housed in a 14-QFN (5x5) package and supports an operating temperature range of -40°C to 125°C.

Isolators - Gate Drivers Feature Summary

• Employs radio frequency capacitive coupling for galvanic isolation without magnetic core saturation risks
• Delivers asymmetric peak output current capability optimized for fast MOSFET switching
• Provides high common-mode transient immunity to prevent false triggering in noisy environments

Isolators - Gate Drivers Applications

• Power supply gate driving
• Motor control systems
• Industrial automation inverters

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix IM1 against official Skyworks documentation to confirm pinout and electrical characteristics. Note that this component may be subject to discontinuation or limited availability; check current lifecycle status before finalizing designs. Ensure the 14-QFN footprint matches the PCB layout requirements precisely.

Isolators - Gate Drivers Selection Notes

Select this part when high-speed switching with robust noise immunity is required. The asymmetric drive strength suits applications needing faster turn-off than turn-on. Verify that the input logic levels are compatible with the controller interface. Consider thermal dissipation capabilities within the QFN package for high-frequency operation scenarios.

Isolators - Gate Drivers Part Context

This device belongs to the Si827x series of isolated gate drivers. It is designed to replace traditional transformer-based drivers by offering smaller size and higher reliability. The series targets modern power electronics where space constraints and electromagnetic interference mitigation are critical design factors.

Isolators - Gate Drivers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided data.