Technical content and expertise to help jump start your design and get you to production faster.
Start your designDownload our latest development and embedded software solutions.
Expedite time-to-market with our extensive lineup of development kits.
Jump-start your design with proven hardware and software solutions.
Get the latest specifications in our technical documentation library.
Further your technical expertise with online and in-person instruction.
Get comprehensive paid support to fast-track your product development.
Design ideas, demo videos, quality answers. Connect with NXP professionals and other knowledgeable designers ready to help.
Software, documentation, evaluation tools. The resources to build comprehensive solutions and accelerate your time to market.
Access our design resource libraryWe're always looking for passionate and talented people to work with us.
Join our teamArchived content is no longer updated and is made available for historical reference only.
The TDF8554J is one of a new generation of complementary quad Bridge-Tied Load (BTL) audio power amplifiers with full I2C-bus controlled diagnostics, multiple voltage regulator and two power switches intended for automotive applications.
The TDF8554J can operate at a battery voltage as low as 6 V making this amplifier suitable for stop/start-car operation. The amplifier uses a complementary DMOS output stage in a Silicon-On-Insulator (SOI)-based BCD process. The DMOS output stage ensures a high power output signal with perfect sound quality. The SOI-based BCD process ensures a robust amplifier, where latch-up cannot occur, with good separation between the four independent channels with every component isolated and without substrate currents.
The multiple voltage regulator comprises four programmable voltage regulators, one standby regulator and two power switches.
The TDF8554J is soft- and hardware downwards-compatible with its predecessor TDA8589AJ.
The TDF8554J includes features, such as selectable undervoltage for stop/start-cars which can be selected with additional I2C-bus instruction bytes. If these additional bytes are not sent, the TDF8554J has the same functionality as its predecessor IPAS TDA8589AJ.