SI823H3BD-IS3

Isolators - Gate Drivers Overview

The SI823H3BD-IS3 is a high-performance isolated gate driver from the Si823Hx series, manufactured by Skyworks Solutions Inc. It features a wide-body SOIC-14 package and provides 5.0 kVrms isolation capability. The device integrates one high-side and one low-side channel with non-inverting logic configuration. It operates within an extended temperature range of -40°C to +125°C and holds AEC-Q100 automotive qualification. Key electrical parameters include a maximum propagation delay of 60 ns, rise and fall times of 12 ns, and a peak output current of 6 A. The input supply voltage range is specified from 3 V to 5.5 V.

Isolators - Gate Drivers Feature Summary

• Provides robust 5.0 kVrms capacitive coupling isolation for safe signal transmission between primary and secondary sides.
• Integrates dual-channel drive capability supporting both high-side and low-side switching applications in a single package.
• Features fast switching performance with minimal pulse width distortion for precise timing control in power electronics.
• Automotive-grade reliability certified under AEC-Q100 standards for use in demanding vehicular environments.

Isolators - Gate Drivers Applications

• Isolated gate driving for IGBTs and MOSFETs in industrial motor drives
• Power conversion stages in automotive inverters and DC-DC converters
• High-voltage interface circuits in renewable energy systems
• Solid-state transformer and grid-tie inverter topologies

Isolators - Gate Drivers Procurement Notes

Verify that the ordering suffix matches the required package type and tape/reel specifications. Confirm the specific variant code corresponds to the intended isolation voltage and channel configuration. Ensure compliance with RoHS directives and check for any recent product change notices affecting assembly or sourcing. Cross-reference the manufacturer part number with distributor codes to avoid substitution errors during procurement.

Isolators - Gate Drivers Selection Notes

Select this component when high isolation voltage and automotive qualification are required for gate drive applications. Compare propagation delay and peak current capabilities against system requirements to ensure adequate drive strength. Consider the wide-body SOIC-14 footprint for thermal management and PCB layout constraints. Evaluate the non-inverting logic compatibility with existing control signals before finalizing the design choice.

Isolators - Gate Drivers Part Context

This device belongs to the Si823Hx family of isolated gate drivers, which utilize silicon-based capacitive coupling technology. The family offers various configurations to support different channel counts and isolation ratings. The SI823H3BD-IS3 specifically addresses applications needing dual-channel drive with high-speed switching and automotive certification, fitting into the broader portfolio of Skyworks isolation solutions.

Isolators - Gate Drivers Replacement Considerations

Direct substitutes within the same series include variants like SI823H3AD-IS3 or SI823H3CB-IMR, depending on package and isolation requirements. Verify pinout compatibility and electrical parameter equivalence before swapping. Check datasheets for differences in UVLO thresholds or operating temperature ranges to ensure functional parity in the target application.