SI8233AD-D-ISR

Isolators - Gate Drivers Overview

The SI8233AD-D-ISR is a dual-channel isolated gate driver from the Si823x series, manufactured by Skyworks Solutions Inc. It features capacitive coupling technology with a 5000Vrms isolation voltage and AEC-Q100 automotive qualification. The device operates within a supply voltage range of 6.5V to 24V on the output side and provides peak output currents of 2A (low) and 4A (high). Key electrical parameters include a maximum propagation delay of 60ns, rise/fall times of 12ns, and a pulse width distortion of 5.6ns. It supports a minimum common-mode transient immunity of 20kV/µs and functions in temperatures from -40°C to +125°C.

Isolators - Gate Drivers Feature Summary

• High electromagnetic interference (EMI) immunity due to capacitive coupling technology
• Integrated programmable dead-time control for switching protection
• TTL-compatible input logic with hysteresis greater than 400mV
• Independent high-side and low-side driver outputs

Isolators - Gate Drivers Applications

• Motor drive and control systems
• Industrial power management circuits
• Automotive electronics requiring AEC-Q100 compliance

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix 'AD' indicates the 5V UVLO threshold variant distinct from other models like 'BD'. Confirm the 'ISR' suffix corresponds to the 16-SOIC package and reel/tray packaging options available from authorized distributors. Ensure compatibility with system ground references before integration.

Isolators - Gate Drivers Selection Notes

Select this component when 5000Vrms isolation and automotive reliability are required. The 5V UVLO setting suits applications where lower gate drive thresholds are acceptable compared to the 8V variants. Consider the 16-SOIC footprint for PCB layout constraints and verify that the 60ns propagation delay meets the timing requirements of the target switching frequency.

Isolators - Gate Drivers Part Context

This part belongs to the Si823x family of isolated gate drivers, which utilizes Silicon Labs' proprietary silicon isolation technology. The family offers various isolation voltages and UVLO configurations to support diverse MOSFET and IGBT driving needs in industrial and automotive environments.

Isolators - Gate Drivers Replacement Considerations

SI8233BD-D-ISR: Offers similar performance but with an 8V UVLO threshold instead of 5V.

Isolators - Gate Drivers FAQ

What is the difference between SI8233AD-D-ISR and SI8233BD-D-ISR?

The primary difference is the Under-Voltage Lock-Out (UVLO) threshold; the AD variant uses 5V while the BD variant uses 8V.

Does the SI8233AD-D-ISR support independent ground references?

Yes, the driver outputs can be referenced to the same or different ground potentials, or connected to positive or negative voltages.