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DescriptionIf you are ready to move beyond the squeaky, low-volume sound of basic microcontroller buzzers and 1-watt audio chips, the TDA2050 Audio Amplifier IC is your ticket to true high-fidelity sound.Whether you are designing a custom Bluetooth boombox for a final-year engineering project, or teaching students how to build their own desktop speakers in an electronics summer training program, this chip provides professional-grade audio amplification in a remarkably simple 5-pin package.Massive Output PowerOperating as a Class AB amplifier, the TDA2050 is highly efficient and incredibly powerful. When driven by a proper power supply, it can push a true 32 Watts RMS into a standard 4-ohm speaker (and up to 50W of peak music power). This is more than enough power to easily fill a large room or a workshop with rich, heavy bass and clear treble.True Hi-Fi FidelityVolume is meaningless if the sound is distorted. The TDA2050 was explicitly engineered for Hi-Fi (High Fidelity) consumer audio. It boasts virtually zero crossover distortion and extremely low Total Harmonic Distortion (THD), meaning the audio coming out of your speaker will sound exactly like the pure audio signal going into the chip, even when cranked to maximum volume.Thermal Management is RequiredPushing 32 Watts of power generates a significant amount of heat. The TDA2050 is housed in a “Pentawatt” package, featuring a prominent metal tab with a mounting hole. You must bolt this tab to an aluminum heatsink. If the chip gets too hot, it features a built-in thermal shutdown circuit that will automatically temporarily silence the audio to prevent the silicon from melting.Key Features:High Output: Capable of driving 4Ω and 8Ω speakers with ease.Low Part Count: Requires very few external capacitors and resistors to build a complete, functioning amplifier circuit.Robust Protection: Short-circuit protection prevents catastrophic failure if your speaker wires accidentally touch.Versatile Powering: Can be powered using a dual-polarity supply (e.g., 18V, GND, -18V) or a single-polarity supply (e.g., 36V, GND) with slight circuit modifications.Technical Specifications:Amplifier Class: Class ABMaximum Output Power: 32W RMS (at VS = ±18V, RL = 4Ω)Operating Supply Voltage: ±4.5V to ±25V DCTotal Harmonic Distortion (THD): 0.03% (Typical at 1kHz, 15W)Quiescent Current Drain: ~30mA to 50mAPackage Type: 5-Pin Pentawatt (TO-220 style)Ideal Applications:Custom DIY Bluetooth speakers and boomboxesActive desktop studio monitors and TV soundbarsSmall-to-medium electronic keyboard and guitar practice amplifiersUpgrading arcade cabinet and vending machine audio systemsEducational audio engineering and analog circuit training labs