SI8220BB-A-ISR

Isolators - Gate Drivers Overview

The SI8220BB-A-ISR is a single-channel optically isolated gate driver from Skyworks Solutions, designed for robust power switching applications. It operates within a supply voltage range of 6.5 V to 24 V and delivers a peak output current of 2.5 A. The device features an inverting configuration with maximum turn-on delay of 60 ns and turn-off delay of 40 ns. Rise and fall times are specified at 30 ns each. It supports a maximum power dissipation of 1.2 W and functions reliably across an operating temperature range of -40°C to +125°C. The component is housed in an 8-SOIC package and holds AEC-Q100 automotive qualification.

Isolators - Gate Drivers Feature Summary

• Optical isolation technology provides galvanic separation between control and power stages
• Automotive-grade reliability certified under AEC-Q100 standards
• High peak output current capability for efficient MOSFET and IGBT driving
• Wide operating temperature range suitable for harsh industrial environments

Isolators - Gate Drivers Applications

• Automotive power electronics and motor control systems
• Industrial motor drives and inverters
• High-frequency switching power supplies
• Isolated gate driving for high-voltage power transistors

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix 'A' against official Skyworks documentation to confirm pinout and electrical characteristics, as variations exist within the Si8220 family. Ensure the SOIC-8 package dimensions match your PCB footprint requirements. Confirm that the inverting logic aligns with your control signal design. Check for moisture sensitivity level (MSL) handling instructions during assembly to prevent package damage.

Isolators - Gate Drivers Selection Notes

Select this component when optical isolation is preferred for high noise immunity in high-voltage environments. Compare propagation delays and peak current ratings against alternative digital isolators if speed or drive strength requirements differ. Consider the inverting configuration necessity relative to your microcontroller output signals. Evaluate thermal management needs given the 1.2 W power dissipation limit in enclosed spaces.

Isolators - Gate Drivers Part Context

This part belongs to the Si8220 series of optically isolated gate drivers. It complements other Skyworks isolation products like the Si86xx digital isolator family by offering specialized high-current driving capabilities. The series targets applications requiring reliable isolation between low-voltage control circuits and high-voltage power switches, bridging the gap between standard logic isolators and discrete optocoupler solutions.

Isolators - Gate Drivers Replacement Considerations

Official substitutes include other variants within the Si8220 family such as SI8220BB-D-ISR, which shares similar optical isolation characteristics but may differ in specific electrical parameters or packaging options. Verify functional compatibility before substitution.