ACPL-W346-000E

Overview

The ACPL-W346-000E is a high-speed gate drive optocoupler from Broadcom Limited, designed for driving power, GaN, and SiC MOSFETs. It integrates an AlGaAs LED optically coupled to an integrated circuit with a power output stage. Key electrical parameters include a maximum propagation delay of 120 ns, rise time of 8 ns, and fall time of 8 ns. The device provides a maximum continuous output current of 2.5 A and supports a supply voltage range of 10 V to 20 V. It features 5000 Vrms isolation voltage and operates within a temperature range of -40°C to +105°C.

Feature Summary

• Integrates an AlGaAs LED optically coupled to an IC with a power output stage for efficient signal transmission.
• Provides high-speed switching capabilities suitable for demanding power electronics applications.
• Offers robust galvanic isolation with a 5000 Vrms rating between input and output circuits.

Applications

• Driving power MOSFETs in industrial motor control systems
• Gate driving for Gallium Nitride (GaN) transistors in high-frequency converters
• Gate driving for Silicon Carbide (SiC) MOSFETs in electric vehicle inverters

Procurement Notes

Verify the specific part number suffix against official Broadcom documentation to ensure correct packaging and specifications. Confirm that the procurement channel provides valid traceability and authenticity guarantees. Check for any recent product change notices or lifecycle status updates directly from the manufacturer before placing orders.

Selection Notes

Select this component when high-speed isolation is required for wide-bandgap semiconductor devices. Ensure the application demands a peak output current capability of at least 2.5 A. Verify that the system operating temperature falls within the specified -40°C to +105°C range and that the isolation voltage requirements are met by the 5000 Vrms rating.

Part Context

This device belongs to the ACPL-P346/W346 series, which are specialized gate driver optocouplers. The series is engineered for modern power electronics, offering superior speed and current drive compared to standard logic output optocouplers. It addresses the need for reliable isolation in high-power density designs.

Replacement Considerations

The ACPL-P346-000E is a confirmed substitute within the same family, sharing similar functional characteristics and pinout compatibility. Verify mechanical dimensions and thermal performance match the original design constraints before substitution.