CS1108EDFR8

Overview

The CS1108EDFR8 is an automotive lamp driver integrated circuit manufactured by onsemi, housed in an 8-SOIC package. This ASIC provides up to 350 mA of drive current for powering bulbs. It functions as a single lamp driver IC, specifically designed as a buffer or inverter-based peripheral driver with one driver capable of delivering 0.5 A. The component is categorized under Lighting and Ballast Controllers.

Feature Summary

• Provides high drive current capability for bulb power applications
• Functions as a dedicated single lamp driver with buffer/inverter logic
• Designed specifically for automotive system integration

Applications

• Airbag systems utilizing type 194 bulbs
• Automotive lighting control circuits
• Bulb driver interfaces in vehicle safety modules

Procurement Notes

Verify the manufacturing status carefully, as sources indicate this product may be no longer manufactured by onsemi. If sourcing from third-party distributors like Rochester Electronics, confirm authenticity and lot traceability. Ensure the 8-SOIC package matches your PCB footprint requirements before finalizing procurement decisions.

Selection Notes

Select this component when a dedicated automotive lamp driver with approximately 350 mA to 0.5 A output current is required. It is suitable for driving specific bulb types like the 194 in airbag systems. Consider the 8-SOIC package size and verify if the single-channel configuration meets the design's channel count needs.

Part Context

The CS1108 belongs to onsemi's lineup of lighting and ballast controllers. It is an Application Specific Integrated Circuit (ASIC) tailored for automotive environments. The device integrates driver logic and power stages to simplify the interface between control units and illumination loads in critical vehicle systems.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. As the component may be obsolete, consult onsemi technical support or authorized distributors for direct replacements or compatible alternatives that meet the same electrical and package specifications.