ACPL-K312-500E

Overview

The ACPL-K312-500E is a logic output optocoupler manufactured by Broadcom Limited, designed for gate drive applications. It features a single channel with an integrated photo IC output and operates in an SOIC-8 package. Key electrical parameters include a maximum propagation delay of 500 ns, an insulation voltage of 5000 Vrms, and a forward current of 20 mA. The device supports a power dissipation of 60 mW and functions within a temperature range of -40°C to +125°C. It holds AEC-Q100 qualification for automotive use.

Feature Summary

• Provides high noise immunity suitable for IGBT and MOSFET gate driving
• Features integrated UVLO (Under Voltage Lockout) functionality
• Delivers high peak output current capability for efficient switching

Applications

• IGBT and MOSFET gate drive circuits
• AC and brushless DC motor drives
• Industrial frequency inverters
• Switching power supplies

Procurement Notes

Verify the specific suffix '500E' to ensure correct insulation voltage rating and packaging configuration. Confirm AEC-Q100 automotive qualification requirements if applicable to the target design. Check RoHS compliance status against current regulatory standards. Validate pinout compatibility with existing PCB footprints before integration. Ensure operating temperature ranges meet system environmental specifications.

Selection Notes

Select this component when high-speed isolation with robust noise immunity is required for power electronics. The integrated UVLO feature simplifies driver circuit design by preventing partial turn-on states. Consider the 5000 Vrms isolation barrier for safety-critical applications. Evaluate thermal management needs based on the specified power dissipation limits in enclosed environments.

Part Context

This part belongs to the ACPL-K312 series of gate drive optocouplers. It is engineered to replace traditional discrete driver solutions by combining isolation and drive functions in a single package. The series targets high-efficiency power conversion systems requiring reliable signal transmission across high potential differences.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.