ACPL-W346-500E

Overview

The ACPL-W346-500E is a single-channel logic output optocoupler featuring an AlGaAs LED coupled to an integrated circuit with a power output stage. It provides rail-to-rail output suitable for gate driving applications. Key electrical parameters include a maximum continuous output current of 2.5 A, isolation voltage of 5000 Vrms, and propagation delay of 120 ns. Rise and fall times are both 8 ns. The device operates within a temperature range of -40°C to +105°C, supports forward current of 9 mA, and utilizes a 6-pin SO stretched package.

Feature Summary

• Integrates an AlGaAs LED with an IC power output stage for optical coupling
• Provides rail-to-rail output capability for direct gate drive
• Offers high isolation voltage rating for safety separation

Applications

• Gate drive for SiC MOSFETs
• Gate drive for GaN transistors
• Power converter control circuits

Procurement Notes

Verify the specific suffix '500E' against official Broadcom documentation to confirm insulation voltage ratings and compliance status. Ensure the procurement channel sources components directly from authorized distributors or verified suppliers to guarantee authenticity. Cross-reference the manufacturer part number with the latest datasheet revisions to confirm pinout compatibility and operational specifications before integration into design projects.

Selection Notes

Select this component when designing circuits requiring high-speed switching with robust isolation capabilities. The 2.5 A output current capacity makes it appropriate for driving medium-power wide-bandgap devices. Consider the 6-pin SO stretched package dimensions for PCB layout constraints. Evaluate the 5000 Vrms isolation rating against system safety requirements and transient voltage conditions in the application environment.

Part Context

This device belongs to the ACPL-x34x series designed specifically for driving wide-bandgap semiconductors. It combines optical isolation with integrated power output stages to simplify driver design. The series targets high-efficiency power conversion systems where fast switching speeds and reliable galvanic isolation are critical for performance and safety standards.

Replacement Considerations

Consult official Broadcom substitution guides for compatible alternatives. Verify that any substitute maintains identical pinout configuration, output current capabilities, and isolation voltage ratings to ensure functional equivalence without redesigning the host circuit board.