BU9435KV-E2

Overview

The BU9435KV-E2 is an audio codec interface IC manufactured by ROHM Semiconductor, designed for USB audio decoding applications. It supports USB 2.0 and USB 3.0 standards with a supply voltage range of 3.0V to 3.6V. The component integrates MP decoder functionality and utilizes I2C and USB interfaces for communication. It is housed in a QFP-64 surface-mount package. The device is classified as NRND (Not Recommended for New Designs), indicating it is not intended for new product development but may remain available for existing production needs.

Feature Summary

• Integrates USB audio decoding capabilities for digital audio processing
• Supports both USB 2.0 and USB 3.0 interface protocols
• Includes built-in MP decoder functionality within the codec architecture
• Utilizes I2C interface for system control and configuration

Applications

• USB audio decoding systems
• Digital audio interface circuits
• MP decoder integration in audio codecs

Procurement Notes

This component carries an NRND status, meaning it is not recommended for new designs. Verification of current availability and lifecycle status is essential before procurement. Contact the manufacturer or authorized distributors to confirm if units are still being produced or if only limited stock remains. Ensure that the QFP-64 package and electrical specifications align with existing design requirements, as no new design support will be provided.

Selection Notes

Select this part only for maintenance or replacement of existing designs utilizing the BU9435KV-E2. Due to its NRND status, alternative components should be evaluated for any new projects. Verify compatibility with USB 2.0/3.0 host controllers and ensure the 3.0V to 3.6V supply voltage range matches the system power rails. Confirm that the QFP-64 footprint is compatible with the PCB layout.

Part Context

The BU9435KV-E2 belongs to ROHM Semiconductor's audio codec interface series, specifically targeting USB audio applications. It serves as a bridge between USB hosts and audio output stages, handling digital audio data decoding. The E2 suffix typically denotes environmental compliance, such as RoHS adherence. As an NRND part, it represents a legacy solution within the company's portfolio, likely superseded by newer integrated audio solutions.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Given the NRND status, engineers should consult ROHM Semiconductor for recommended replacements or next-generation audio codec alternatives suitable for USB audio applications.