FDA802B-VYT

Overview

The FDA802B-VYT is a dual-bridge Class-D digital input automotive power amplifier manufactured by STMicroelectronics. It delivers 150 W per channel or 300 W in bridge-tied load configuration. The device operates within a supply voltage range of 5.5 V to 50 V and supports digital audio inputs. It features integrated I2C diagnostics and load value recognition for enhanced system monitoring. The component is housed in a 64-pin LQFP package with an exposed pad, designed for surface-mount installation.

Feature Summary

• Advanced Class-D technology providing high efficiency and reliability for automotive applications
• Integrated I2C diagnostics interface enabling comprehensive system status monitoring and fault detection
• Load value recognition capability allowing adaptive operation based on connected speaker impedance

Applications

• Automotive door module audio amplification
• Center console sound system integration
• High-fidelity vehicle infotainment systems

Procurement Notes

Verify the specific suffix and revision level against the latest manufacturer datasheet before procurement. Confirm AEC-Q101 qualification requirements align with target automotive standards. Check for product change notifications regarding packaging or material composition updates. Ensure design-in compatibility with existing digital audio interfaces and diagnostic protocols.

Selection Notes

Select this component when high output power density and digital control are required in space-constrained automotive environments. The dual-bridge architecture allows flexible channel configurations for stereo or mono subwoofer setups. Consider the thermal performance of the LQFP package with exposed pad for heat dissipation needs. Validate that the digital input interface matches the source audio processor specifications.

Part Context

This part belongs to the FDA802 family of automotive power amplifiers from STMicroelectronics. It shares architectural similarities with variants like FDA802S-VYT but differs in power rating and feature set. The family targets modern vehicle audio systems requiring efficient, digitally controlled amplification solutions with robust diagnostic capabilities.

Replacement Considerations

Direct substitutes include FDA802S-VYT for similar automotive Class-D applications. Verify pinout compatibility and thermal characteristics when cross-referencing with other FDA802 series variants. Ensure functional equivalence in terms of digital input support and I2C diagnostic implementation.