BD555A1AFV-E2

Overview

The BD555A1AFV-E2 is an LED lighting driver IC manufactured by ROHM Semiconductor, designed as an electrolytic capacitor-free buck converter. It features a single output capable of delivering up to 800 mA of current. The device operates within a power supply voltage range of 16 V and functions at a switching frequency of 100 kHz. It is housed in an SSOP-B14 package and supports operation across a temperature range from -40°C to +100°C.

Feature Summary

• Electrolytic capacitor-free design for extended lifespan
• Integrated buck converter topology for LED driving
• High operating temperature tolerance

Applications

• LED lighting systems requiring long-term reliability
• General purpose LED drivers eliminating bulk capacitors

Procurement Notes

Verify component status carefully as the BD555A1AFV-E2 is listed as obsolete or end-of-life in available distributor records. Confirm availability through authorized channels or alternative sourcing strategies. Ensure that any replacement components meet the same electrical specifications and thermal requirements for your specific application design.

Selection Notes

Select this component when designing LED drivers that require the elimination of electrolytic capacitors to improve reliability. Consider the 800 mA output capability and 100 kHz switching frequency for appropriate heat dissipation and efficiency needs. Verify compatibility with the SSOP-B14 package constraints and the 16 V input requirement.

Part Context

This part belongs to the BD555A1AFV series of LED driver ICs from ROHM Semiconductor. It is categorized under LED lighting driver ICs and specifically utilizes a buck topology. The product line focuses on providing robust solutions for LED applications where component longevity is critical.

Replacement Considerations

No public confirmed substitute part numbers are identified in the provided documentation.