SI823H7BD-IS3

Isolators - Gate Drivers Overview

The SI823H7BD-IS3 is an automotive-grade, current-isolated dual gate driver from the Si823Hx series by Skyworks Solutions. It features a wide-body SOIC-14 package and provides galvanic isolation for high-side and low-side switching applications. The device operates with a supply voltage range of 3 V to 5.5 V and delivers output voltages up to 30 V. Key electrical parameters include a maximum propagation delay of 30 ns, rise and fall times of 12 ns each, and a quiescent supply current of 2.2 mA. It supports peak output currents of 5.9 mA and offers a low on-resistance of 4.2 Ohms.

Isolators - Gate Drivers Feature Summary

• Utilizes proprietary current isolation technology for robust signal transmission across isolation barriers.
• Designed specifically for automotive environments with AEC-Q100 qualification.
• Provides independent high-side and low-side driver channels in a single package.
• Features non-inverting logic configuration for straightforward control interface.

Isolators - Gate Drivers Applications

• Automotive powertrain and chassis control systems
• High-voltage DC/DC converter modules
• Inverter bridge driving in electric vehicle traction systems
• Industrial motor drive circuits requiring automotive reliability

Isolators - Gate Drivers Procurement Notes

Verify the specific suffix IS3 against the manufacturer's official datasheet to confirm pinout compatibility and isolation voltage ratings. Ensure that the wide-body SOIC-14 footprint matches your PCB layout constraints. Confirm RoHS compliance status through the latest environmental documentation provided by Skyworks Solutions before finalizing procurement orders.

Isolators - Gate Drivers Selection Notes

Select this component when automotive-grade reliability and high common-mode transient immunity are required. The 5.0 kV isolation rating suits applications with significant potential differences between control and power domains. Consider the 30 ns propagation delay for switching frequency requirements and ensure the 5.9 mA output current meets the gate charge demands of the target MOSFETs or IGBTs.

Isolators - Gate Drivers Part Context

This part belongs to the Si823Hx family of isolated gate drivers, which leverages silicon dioxide (SiO2) insulation for high durability. The family is characterized by its ability to withstand harsh electromagnetic environments typical in automotive and industrial power electronics. The wide-body package enhances creepage and clearance distances compared to standard SOIC packages.

Isolators - Gate Drivers Replacement Considerations

Direct substitutes within the same family include SI823H7BD-AS3 and SI823H5CD-IS3, provided the isolation voltage and package dimensions are compatible. Verify that alternative parts meet the same AEC-Q100 automotive qualification standards and thermal performance specifications.