SI82B47ABE-IS4R

Isolators - Gate Drivers Overview

The SI82B47ABE-IS4R is a single-channel isolated gate driver from Skyworks Solutions, utilizing capacitive coupling technology for signal transmission. It provides a high isolation voltage of 6000 Vrms and delivers a peak output current of 6 A. The device operates within a supply voltage range of 3 V to 20 V and supports both inverting and non-inverting configurations. Key timing parameters include a maximum propagation delay of 63.1 ns, with rise and fall times of 8.3 ns and 8.6 ns respectively. It functions reliably across an operating temperature range of -40°C to +125°C and is housed in an SSO-8 surface-mount package.

Isolators - Gate Drivers Feature Summary

• Capacitive coupling architecture ensures robust signal isolation without magnetic interference
• High peak output current capability of 6 A for driving power switches
• Integrated shutdown pin for safe control of the output state
• Supports both inverting and non-inverting logic configurations

Isolators - Gate Drivers Applications

• Industrial motor drives and inverters
• Solar microinverters and string inverters
• Uninterruptible power supplies (UPS)
• High-frequency switching power converters

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix 'IS4R' confirms the reel packaging format, distinct from tube-packaged variants like 'IS4'. Confirm the 6000 Vrms isolation rating matches system safety requirements. Ensure the SSO-8 footprint aligns with PCB layout constraints. Check for RoHS compliance status as per manufacturer documentation. Validate that the 6 A peak current meets the gate charge requirements of the target power devices.

Isolators - Gate Drivers Selection Notes

Select this component when high isolation voltage and fast switching speeds are required in a single-channel configuration. The 6 A drive strength suits medium-power MOSFETs and IGBTs. Consider the SSO-8 package size for space-constrained designs. Compare propagation delay specifications against other drivers if precise timing synchronization is critical. Ensure the operating temperature range covers the intended environmental conditions.

Isolators - Gate Drivers Part Context

This part belongs to the SI82xx series of isolated gate drivers from Skyworks Solutions. The series utilizes proprietary capacitive isolation technology, offering advantages over traditional transformer-based isolators in terms of size and reliability. The SI82B47ABE-IS4R represents a high-performance variant within this family, designed for demanding power electronics applications requiring galvanic isolation between control and power stages.

Isolators - Gate Drivers Replacement Considerations

Direct substitutes may include other Skyworks SI82xx models with similar isolation ratings and drive currents, such as the SI82B41ACE-IS4R. Verify pinout compatibility and electrical specifications before substitution. Cross-reference with competitors' offerings only if form-fit-function data is explicitly available.