SI823H1BB-AS1R

Isolators - Gate Drivers Overview

The SI823H1BB-AS1R is a dual-channel, automotive-grade isolated gate driver from Skyworks Solutions. It features capacitive coupling technology for high common-mode transient immunity and operates within a -40°C to +125°C temperature range. The device provides independent high-side and low-side outputs in a 16-pin narrow-body SOIC package. Key electrical specifications include a maximum propagation delay of 30 ns, rise and fall times of 12 ns each, and a supply voltage range of 3 V to 5.5 V. It supports output voltages up to 30 V with a peak output current capability of 6 A per channel.

Isolators - Gate Drivers Feature Summary

• Automotive qualification compliant with AEC-Q100 standards for reliability in vehicle applications.
• Capacitive isolation technology ensures high common-mode transient immunity and robust signal integrity.
• Independent high-side and low-side driver channels allow flexible half-bridge or full-bridge configurations.

Isolators - Gate Drivers Applications

• Automotive powertrain and motor control systems
• On-board charger (OBC) inverters
• DC-DC converter stages

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix AS1R against official Skyworks documentation to confirm tape-and-reel packaging and automotive grade status. Ensure compatibility with existing PCB footprints for the 16-SOIC package. Cross-reference datasheet revisions to confirm pinout consistency with previous design iterations.

Isolators - Gate Drivers Selection Notes

Select this component when automotive reliability and high CMTI are required for isolated gate driving. Compare propagation delay and peak current capabilities against system switching frequency requirements. Verify that the 16-pin SOIC footprint fits within the mechanical constraints of the target enclosure.

Isolators - Gate Drivers Part Context

This part belongs to the Si823Hx family of isolated gate drivers designed for high-performance power conversion. The family utilizes silicon dioxide (SiO2) based capacitive isolation for superior noise rejection compared to magnetic or optical alternatives. The Si823H1 variant specifically targets applications requiring dual-channel isolation with automotive certification.

Isolators - Gate Drivers Replacement Considerations

Official substitutes within the Si823Hx family may include variants with different insulation ratings or package types, such as the SI823H1BD series. Verify functional equivalence regarding pinout and electrical characteristics before substitution.