BA6840BFS-E2

Overview

The BA6840BFS-E2 is a monolithic integrated circuit designed for use in automotive audio applications, specifically functioning as a power amplifier. Manufactured by Rohm Semiconductor, this component is housed in a compact SOT-89K-6 package, which facilitates efficient thermal management and space-saving PCB layouts. It is engineered to deliver high output power with low distortion, making it suitable for driving speakers in vehicle infotainment systems. The device incorporates protection features such as short-circuit protection and thermal shutdown to ensure reliable operation under varying load conditions and environmental temperatures typical in automotive environments.

Feature Summary

• Integrated power amplifier optimized for automotive audio performance
• Compact SOT-89K-6 package design for efficient board space utilization
• Built-in protection mechanisms including short-circuit and thermal shutdown

Applications

• Automotive head unit main amplifiers
• Car door speaker drive circuits
• Vehicle center console audio outputs

Procurement Notes

Verify the exact ordering code suffix matches the required tape and reel configuration. Confirm that the component grade aligns with automotive AEC-Q100 standards if specified in your design requirements. Cross-reference the datasheet revision date to ensure compatibility with current manufacturing processes and pinout definitions before finalizing procurement orders.

Selection Notes

Select this component when designing automotive audio systems requiring a balance between output power and physical footprint. Consider the thermal resistance characteristics of the SOT-89K-6 package relative to your PCB copper area. Ensure the supply voltage range meets your vehicle's electrical system specifications, typically accounting for load dump conditions common in automotive applications.

Part Context

This part belongs to Rohm's series of automotive-grade power amplifiers. It complements other models in the lineup offering different channel configurations or power levels. The BA6840BFS-E2 is distinct within the family due to its specific single-channel architecture and dedicated automotive reliability certifications, targeting mid-power speaker applications in modern vehicles.

Replacement Considerations

Direct substitutes may include other Rohm automotive amplifiers with similar pinouts and power ratings, such as the BA6840 series variants. Verify pin-to-pin compatibility and thermal performance metrics before swapping. Consult official replacement guides for cross-referencing equivalent components from other manufacturers ensuring identical interface and mounting constraints.