Product Details The TAS5441QPWPRQ1 is an automotive-grade mono Class-D audio power amplifier designed for vehicle electronic systems requiring efficient speaker drive and integrated diagnostic functions. It combines analog audio input, Class-D amplification, speaker protection and automotive power-system protection in a compact 16-pin HTSSOP package.The device operates from a 4.5V to 18V power-stage supply and can deliver up to 22W of output power into a 4Ω load at 10% THD+N under the specified conditions. Its Class-D architecture provides high power efficiency, with typical efficiency reaching 85% into a 4Ω load, helping reduce power dissipation in automotive audio equipment.The TAS5441QPWPRQ1 uses a differential analog audio input and provides a mono BTL output stage for driving a single speaker channel. This architecture is suitable for automotive applications where a compact amplifier must operate directly from a vehicle battery-derived supply.A key feature is the integrated Speaker Guard speaker-protection system. The adjustable power limiter helps manage speaker operating conditions, while integrated monitoring functions can detect open-load and short-circuit conditions as well as output-to-power and output-to-ground faults.The device also includes I2C control and diagnostic functions. This allows a vehicle controller to configure the amplifier and monitor operating or fault conditions without requiring a large number of external control connections.Automotive power protection is another important characteristic of the TAS5441QPWPRQ1. The device provides 40V load-dump protection according to ISO-7637-2 and includes overtemperature, overvoltage, undervoltage and short-circuit protection. These functions help the amplifier tolerate demanding electrical conditions commonly encountered in vehicle power systems.The TAS5441QPWPRQ1 is supplied in a thermally enhanced 16-pin HTSSOP package with PowerPAD technology. The package is designed to provide an effective thermal path through the PCB when the recommended layout and thermal design are followed. The device is specified for an operating temperature range of -40°C to +125°C.The TAS5441-Q1 family is specifically designed for automotive emergency call systems, telematics, instrument clusters and infotainment equipment. These applications benefit from the combination of audio amplification, speaker diagnostics, I2C control and automotive protection features integrated into one device.For system designers, the TAS5441QPWPRQ1 provides a compact solution for implementing a reliable mono audio channel in automotive electronic equipment. When designing the complete amplifier circuit, engineers should consider speaker impedance, supply transients, PCB thermal performance, EMI layout and the required diagnostic configuration.The TAS5441QPWPRQ1 is currently listed by Texas Instruments as an active production device, with the orderable part supplied in 16-pin HTSSOP packaging.