SI8285BC-IS

Isolators - Gate Drivers Overview

The SI8285BC-IS is a galvanically isolated gate driver from Skyworks Solutions, designed for SiC and IGBT applications. It features a single channel with inverting CMOS logic. The device operates within a supply voltage range of 2.5 V to 5.5 V on the input side and supports output voltages up to 30 V. Key electrical parameters include a maximum propagation delay of 50 ns, rise time of 5.5 ns, and fall time of 8.5 ns. It delivers a peak output current of 4 A with a typical operating supply current of 5.2 mA. The component is housed in a 16-SOIC package and is qualified under AEC-Q100 standards.

Isolators - Gate Drivers Feature Summary

• Capacitive coupling technology provides high common-mode transient immunity.
• Integrated design specifically optimized for driving Silicon Carbide (SiC) and IGBT devices.
• Single-channel configuration with inverting logic functionality.

Isolators - Gate Drivers Applications

• Gate driving for Silicon Carbide (SiC) power switches
• Gate driving for Insulated Gate Bipolar Transistors (IGBTs)
• Automotive power electronics systems requiring AEC-Q100 qualification

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix 'IS' against the manufacturer's official datasheet to confirm the exact isolation voltage rating and packaging type. Ensure that the selected variant matches the required thermal performance and pinout configuration for the target PCB layout. Cross-reference the AEC-Q100 qualification status if automotive reliability is a mandatory requirement for the application.

Isolators - Gate Drivers Selection Notes

Select this component when a single-channel isolated driver with high speed and robust immunity is required for wide-bandgap semiconductors. Consider the 50 ns propagation delay and 4 A peak current capability against the switching frequency and load requirements of the target power stage. Evaluate the 16-SOIC package constraints relative to available board space and thermal dissipation needs.

Isolators - Gate Drivers Part Context

The SI8285BC-IS belongs to the Si8285 family of isolated gate drivers from Skyworks Solutions. This series utilizes capacitive isolation technology to provide galvanic separation between control and power sides. The family is engineered to address the demanding requirements of modern power conversion topologies, offering reliable performance in electric vehicle and industrial power supply environments.

Isolators - Gate Drivers Replacement Considerations

Publicly confirmed substitute part numbers are not provided in the source documentation. Verify compatibility with alternative Skyworks models such as SI8285CD-AS or SI8285BC-ISR by comparing isolation ratings, package dimensions, and electrical specifications directly with the manufacturer's data sheets.