HCPL-0931-500

Overview

The HCPL-0931-500 is a general-purpose, high-speed digital isolator from Broadcom Limited. It features two independent channels with unidirectional signal transmission capability. The device utilizes Giant Magnetoresistive (GMR) technology for magnetic coupling isolation, providing robust noise immunity in electrically noisy environments. Key electrical parameters include a data rate of 100 Mb/s and an isolation voltage rating of 2500 Vrms. The component operates within a temperature range of -40°C to +100°C and is housed in an SOIC-8 surface-mount package.

Feature Summary

• Utilizes GMR-based magnetic coupling for galvanic isolation
• Provides high-speed digital signal transmission
• Features unidirectional channel configuration

Applications

• General-purpose digital isolation between circuits
• Noise-immune communication interfaces
• Industrial control systems requiring galvanic separation

Procurement Notes

Verify the current lifecycle status as the component may be obsolete or discontinued. Confirm RoHS compliance details, as some sources indicate non-compliance. Ensure the specific suffix matches required packaging options such as reel or cut tape. Cross-reference datasheets for any updates regarding pinout or electrical characteristics before finalizing procurement decisions.

Selection Notes

Select this component when high-speed digital isolation is required with moderate voltage ratings. The GMR technology offers advantages over traditional optical methods in terms of size and potentially lower power consumption. Consider the SOIC-8 package constraints for PCB layout. Verify that the 100 Mb/s data rate meets system timing requirements and that the unidirectional nature fits the signal flow design.

Part Context

This part belongs to the HCPL series of digital isolators manufactured by Broadcom Limited. It represents a shift towards magnetic coupling technologies compared to earlier optocoupler designs in the same product family. The series is designed for applications demanding reliable signal transmission across isolated boundaries with high common-mode transient immunity.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Designers should consult official Broadcom resources or authorized distributors for qualified alternatives if this obsolete part is no longer sourced.