SI82B40ABC-IS

Isolators - Gate Drivers Overview

The SI82B40ABC-IS is a single-channel isolated gate driver from Skyworks Solutions, designed for high-voltage power switching applications. It features a 3.75 kVrms isolation voltage rating and provides a peak output current of 6 A to drive power devices efficiently. The device operates within a supply voltage range of 3 V to 20 V and supports both inverting and non-inverting logic configurations. Key electrical specifications include a maximum propagation delay of 38.2 ns, with rise and fall times of 8.3 ns and 8.6 ns respectively. It functions reliably across an extended temperature range from -40°C to +125°C and includes a shutdown feature for enhanced system control.

Isolators - Gate Drivers Feature Summary

• Provides robust 3.75 kVrms capacitive coupling isolation between input and output circuits
• Delivers high peak source and sink currents of 6 A for rapid power device switching
• Supports flexible logic configuration with independent inverting and non-inverting outputs
• Integrates a dedicated shutdown pin for precise control over driver state

Isolators - Gate Drivers Applications

• Industrial motor drives and inverters
• High-frequency switched-mode power supplies (SMPS)
• Isolated gate driving for IGBTs and MOSFETs in energy systems
• Automotive power electronics and charging infrastructure

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix IS4 or standard package variant against your PCB footprint requirements, as packaging may vary. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure ESD handling procedures are followed during assembly due to moisture sensitivity classification. Cross-reference the datasheet revision date to guarantee alignment with latest electrical characteristics and mechanical drawings.

Isolators - Gate Drivers Selection Notes

Select this component when high isolation voltage and fast switching speeds are critical for system safety and efficiency. The 6 A output capability suits medium-to-high power applications requiring strong gate drive strength. Consider the SOIC-8 package dimensions for layout constraints. Evaluate the propagation delay and rise/fall times against switching frequency requirements to minimize losses. Verify thermal management needs given the operating temperature range and power dissipation characteristics.

Isolators - Gate Drivers Part Context

This part belongs to the SI82xx family of isolated gate drivers, which utilize Skyworks' proprietary capacitive isolation technology. The family offers various isolation ratings and output current capabilities to suit different power levels. The SI82B40ABC-IS specifically targets applications needing 3.75 kV isolation with high current drive, bridging the gap between lower-power isolators and higher-voltage industrial solutions.

Isolators - Gate Drivers Replacement Considerations

Direct substitutes within the same series include SI82B40AEE-IS4 and SI82B40BBE-IS4, which share similar electrical characteristics but may differ in isolation voltage ratings or package types. Always verify pinout compatibility and insulation clearance requirements before substitution.