SI8232BB-D-IS1

Isolators - Gate Drivers Overview

The SI8232BB-D-IS1 is a dual isolated gate driver from the Si823x series, manufactured by Skyworks Solutions Inc. It features two completely isolated drivers in one package with up to 5 kVRMS input-to-output isolation and 1500 VDC peak driver-to-driver voltage. The device operates with a driver supply voltage range of 6.5 V to 24 V and provides a peak output current of 0.5 A. It includes an 8 V Under-Voltage Lockout (UVLO) threshold and supports TTL logic inputs. Key electrical parameters include a maximum propagation delay of 45 ns, rise/fall times of 20 ns, and a maximum power dissipation of 1.2 W. It is qualified under AEC-Q100 standards for automotive applications.

Isolators - Gate Drivers Feature Summary

• Dual independent isolated gate drivers integrated into a single package
• High electromagnetic immunity (EMI) with capacitive coupling technology
• Overlap protection and programmable dead-time control capabilities
• TTL-compatible input logic with hysteresis greater than 400 mV

Isolators - Gate Drivers Applications

• Motor drive and control systems
• Industrial power management
• Isolated MOSFET and IGBT gate driving

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix 'BB-D-IS1' against official Skyworks documentation to confirm pinout and isolation ratings. Ensure compatibility with system voltage levels and thermal requirements. Check for RoHS compliance status and AEC-Q100 qualification if used in automotive contexts. Confirm package type is SOIC-Wide-16 as specified in datasheets.

Isolators - Gate Drivers Selection Notes

Select this component when high isolation voltage and EMI immunity are required for gate driving applications. Consider the 0.5 A peak output current limit for driving smaller MOSFETs or IGBTs. The dual-channel design simplifies layout for half-bridge configurations. Verify that the 8 V UVLO threshold aligns with the target gate drive voltage requirements.

Isolators - Gate Drivers Part Context

The SI8232BB-D-IS1 belongs to the Si823x family of galvanically isolated gate drivers. This series utilizes Silicon Labs' silicon isolation technology to provide robust signal transmission across isolation barriers. The family offers various isolation ratings and output currents to suit different power electronics needs.

Isolators - Gate Drivers Replacement Considerations

Check Skyworks datasheets for direct replacements within the Si823x series with similar isolation ratings and output currents. Verify pin-to-pin compatibility before substitution.

Isolators - Gate Drivers FAQ

What is the peak output current capability of the SI8232BB-D-IS1?

The SI8232BB-D-IS1 provides a peak output current of 0.5 A.

Does the SI8232BB-D-IS1 support overlap protection?

Yes, the device includes overlap protection and programmable dead-time control features.