SI82B40BBE-IS4

Isolators - Gate Drivers Overview

The SI82B40BBE-IS4 is a single-channel isolated gate driver from the Skyworks SI82 series. It utilizes capacitive coupling technology to provide galvanic isolation with a rated insulation voltage of 6 kVrms. The device features a peak output current capability of 6 A and supports both inverting and non-inverting logic configurations. Electrical performance includes a maximum propagation delay of 63.1 ns, with rise and fall times of 8.3 ns and 8.6 ns respectively. It operates on a supply voltage range of 3 V to 20 V, draws 1.3 mA of quiescent current, and functions within a temperature range of -40°C to +125°C. The component is housed in an 8-SSO surface-mount package.

Isolators - Gate Drivers Feature Summary

• Provides high-voltage galvanic isolation via capacitive coupling technology
• Delivers high peak drive current for efficient power switch control
• Supports flexible signal routing with inverting and non-inverting outputs
• Integrates shutdown functionality for enhanced system safety

Isolators - Gate Drivers Applications

• Industrial motor drives and inverters
• High-voltage DC/DC converter stages
• Solar microinverter systems
• Isolated power supply gate control

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix IS4 against official Skyworks documentation to confirm lead-free compliance and RoHS status. Confirm the SSO-8 package variant matches design constraints. Cross-reference the datasheet revision date to ensure parameter accuracy. Validate that the 6 kVrms isolation rating meets the application's safety clearance requirements. Check for any specific handling instructions regarding moisture sensitivity level.

Isolators - Gate Drivers Selection Notes

Select this component when high-voltage isolation exceeding 5 kV is required alongside high peak current drive capabilities. The wide supply voltage range accommodates various logic levels. Ensure the PCB layout supports the SSO-8 footprint and maintains adequate creepage distances for the 6 kV isolation barrier. Consider the propagation delay specifications for timing-sensitive applications requiring precise switching control.

Isolators - Gate Drivers Part Context

This part belongs to the Skyworks SI82 family of isolated gate drivers. These devices are designed for demanding power electronics applications requiring robust isolation. The family offers various channel counts and isolation voltages. The SI82B40BBE-IS4 specifically targets high-performance single-channel needs with superior noise immunity compared to magnetic alternatives.

Isolators - Gate Drivers Replacement Considerations

Consult official Skyworks substitution guides for verified equivalents. Verify pinout compatibility and isolation voltage ratings before swapping. Ensure thermal characteristics and package dimensions match the existing design constraints.