SI8235AB-C-ISR

Isolators - Gate Drivers Overview

The SI8235AB-C-ISR is a dual-channel digital isolated gate driver from Skyworks Solutions, utilizing capacitive coupling technology for galvanic isolation. It operates within an automotive-grade qualification (AEC-Q100) and supports a wide operating temperature range of -40°C to +125°C. The device features a 2.5 kVrms insulation voltage and is housed in a 16-SOIC package. Key electrical parameters include a maximum propagation delay of 45 ns, rise and fall times of 12 ns, and a peak output current capability of 4 A. It accepts TTL logic inputs with a supply voltage range of 4.5 V to 5.5 V.

Isolators - Gate Drivers Feature Summary

• High electromagnetic immunity due to capacitive coupling architecture
• Automotive grade reliability with AEC-Q100 qualification
• Dual channel configuration for independent gate control

Isolators - Gate Drivers Applications

• Electric vehicle motor control inverters
• On-board charging systems
• Industrial motor drives requiring high isolation

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix 'C' indicates the correct insulation voltage rating and package variant against the official datasheet. Confirm AEC-Q100 compliance status for your specific application requirements. Ensure the 16-SOIC footprint matches your PCB design constraints. Check for any recent product change notices regarding assembly or material composition updates.

Isolators - Gate Drivers Selection Notes

Select this component when high common-mode transient immunity is required in noisy environments. The dual-channel design simplifies half-bridge or full-bridge driver implementations. Consider the 4 A peak drive strength for driving medium-power MOSFETs or IGBTs. Verify that the 2.5 kVrms isolation barrier meets the system's safety standards compared to higher voltage options like the SI8235BD series.

Isolators - Gate Drivers Part Context

This part belongs to the Si823x family of isolated gate drivers from Skyworks Solutions. The family offers various isolation voltages and package options to suit different industrial and automotive applications. The SI8235AB-C-ISR specifically targets automotive applications requiring robust noise immunity and reliable performance under harsh thermal conditions.

Isolators - Gate Drivers Replacement Considerations

The SI8235BB-D-IS is a related dual-channel driver but differs in isolation voltage and package type. Direct pin-to-pin replacements may require verification of isolation ratings and UVLO thresholds. Consult the manufacturer's substitution guide for qualified alternatives.