SI8234BD-D-ISR

Isolators - Gate Drivers Overview

The SI8234BD-D-ISR is a dual-channel galvanically isolated gate driver from Skyworks Solutions, utilizing capacitive coupling technology for signal transmission. It features a 5 kVrms isolation voltage and supports high common-mode transient immunity of 20 kV/µs. The device operates within a temperature range of -40°C to +125°C and is housed in a 16-SOIC package. It provides independent high-side and low-side outputs with an 8 V under-voltage lockout (UVLO) threshold. 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.

Isolators - Gate Drivers Feature Summary

• Capacitive coupling isolation technology ensures robust signal integrity
• High common-mode transient immunity protects against noise interference
• Independent high-side and low-side channel configuration
• Integrated under-voltage lockout for reliable switching

Isolators - Gate Drivers Applications

• Industrial motor drives
• Power supply inverters
• Automotive power electronics

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix 'D-ISR' to confirm the reel packaging format and industrial grade designation. Ensure compatibility with the required isolation voltage standards for your application. Cross-reference the datasheet for pinout consistency with existing designs. Confirm RoHS compliance status as per the manufacturer's latest documentation before finalizing procurement orders.

Isolators - Gate Drivers Selection Notes

Select this component when high isolation voltage and fast switching speeds are critical. The 4 A output current suits medium-power MOSFET and IGBT applications. Consider the 16-SOIC package size for PCB layout constraints. Verify that the 8 V UVLO aligns with the target gate drive requirements. Evaluate thermal performance based on the specified power dissipation limits in the operating environment.

Isolators - Gate Drivers Part Context

This part belongs to the Si823x series of isolated gate drivers from Skyworks Solutions. The series leverages silicon dioxide (SiO2) insulation for superior reliability compared to traditional transformer-based isolators. The SI8234 variant specifically offers dual-channel functionality with asymmetric or symmetric configurations depending on the suffix. It is designed to replace bulky magnetic isolators in modern compact power electronics designs.

Isolators - Gate Drivers Replacement Considerations

Check for direct substitutes within the Si823x family such as SI8234BD-D-IS for tube packaging. Verify functional equivalence with other 5 kV dual-channel drivers if supply chain constraints exist. Ensure pin-to-pin compatibility before swapping with competitors' offerings.