SI83414ABA-IF

Overview

The SI83414ABA-IF is a four-channel isolated smart switch from Skyworks Solutions, designed for power distribution applications. It integrates high-side and low-side outputs with a maximum continuous output current of 700 mA per channel and an 880 mA current limit. The device features a maximum on-resistance of 280 mOhms, with typical turn-on and turn-off times of 2.1 µs and 2.2 µs respectively. It operates within a supply voltage range of 2.25 V to 32 V and supports temperatures from -40°C to +125°C in a 32-DFN package.

Feature Summary

• Provides galvanic isolation between control logic and power switches using capacitive coupling technology.
• Integrates four independent channels capable of driving both high-side and low-side loads.
• Includes built-in protection mechanisms such as overcurrent limiting and thermal shutdown.

Applications

• Industrial motor control systems requiring isolated switching
• Power distribution units in automation equipment
• Smart grid infrastructure components

Procurement Notes

Verify the specific suffix 'ABA' against official Skyworks documentation to confirm pinout and isolation ratings. Ensure the selected component matches the required 32-DFN footprint and lead configuration. Cross-reference the datasheet revision date to validate parameter accuracy before integration into final designs.

Selection Notes

Select this component when four isolated channels are required for simultaneous high-side and low-side load management. Consider the 280 mOhms on-resistance for efficiency calculations and verify that the 700 mA output current meets the specific load requirements of the target application circuit.

Part Context

This part belongs to the Si834xx family of isolated smart switches. These devices combine digital isolators with power MOSFET drivers to simplify system design by reducing component count and board space while maintaining safety compliance in industrial environments.

Replacement Considerations

The SI83414AAA-IF is a verified substitute within the same product family offering identical functionality and specifications.

FAQ

What isolation technology does the SI83414ABA-IF utilize?

It utilizes capacitive coupling technology to provide galvanic isolation between the input and output sections.

Can this device drive both high-side and low-side loads?

Yes, the integrated architecture supports independent control of both high-side and low-side power switches.