TPA1517DWPR Integrated Circuits (ICs)

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The TPA1517DWPR is a high-efficiency monolithic Class D audio amplifier from Texas Instruments. It is designed with the technology of DirectDrive pulse-width modulation (PWM). This amplifier can provide low-distortion output and has various features to enable high-fidelity sound production. It is suitable for audio applications, such as home theater systems, multimedia systems, sound bars and other consumer-audio applications.

The TPA1517DWPR is based on a DirectDrive technology to generate a high-efficiency and low-distortion Class D audio amplifier. The core of the device consists of two power stages; an output stage, realizing the PWM, and an input stage, combining the gain and output stage parts. The output stage operates with a single rail supply voltage, providing up to 65W of output power with 4 ohm load and 90% efficiency. The output waveform is free of high frequency switching components, eliminating the need for output LC filtering.

The TPA1517DWPR features high PSRR (power supply ripple rejection) at a wide band frequency range, enabling it to reject external noise generated from the power supply. The device also has an integrated EMI filter, which reduces spurious emission from the device, so that it can meet the requirements of regulatory standards.

The TPA1517DWPR supports a range of input formats and multiple stereo setups, including 2.1, 2.1 plus subwoofer, 2.0 and 3.0. It also has an integrated low-power standby mode for saving power in battery powered application. These features make the device compatible with many different audio scenarios, from small applications such as sound bars to large systems such as home theaters.

The TPA1517DWPR has several diagnostic features, such as a gain control, open/protected speaker detect, mute and short circuit protection, to provide better system protection and reliability. The device also has a shutdown mode and thermal shutdown protection, so that it can detect overload or over temperature conditions and go into safe mode.

In conclusion, the TPA1517DWPR is a high-efficiency monolithic Class D audio amplifier, which is suitable for audio applications, such as home theater systems, multimedia systems, sound bars and other consumer-audio applications. It offers high PSRR over a wide range of frequencies, integrated EMI filter, and support for a wide range of input formats and multiple stereo setup. Additionally, it is designed with integrated diagnostic features, such as open/protected speaker detect, mute and short circuit protection, shutdown mode and thermal shutdown protection, to provide reliable performance and system protection.

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