TDA1521 power amplifier board needs to add a voltage regulator.
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Since the power supply voltage of the TDA1521 power amplifier chip is a bipolar DC power supply and needs a stable voltage, it is necessary to add a regulator to provide a stable voltage.
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The role of the voltage regulator is to convert the AC voltage to a stable DC voltage to ensure that the TDA1521 chip can work normally and avoid problems such as sound distortion or damage to the chip due to power supply voltage fluctuations.
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Therefore, in order to ensure the stability and sound quality of the TDA1521 power amplifier board, it is recommended to add a voltage regulator to the circuit.
The TDA1521 power amplifier board does not require additional voltage regulation. TDA1521 chip has integrated the voltage regulator circuit, can automatically adjust the input voltage fluctuations, to ensure the stability of the output voltage. Therefore, when designing and using the TDA1521 power amplifier board, it is not necessary to add additional voltage regulator circuit to stabilize the voltage.
tda1521 power amplifier board is a dual channel power amplifier board, the peripheral elements are few, the performance is very stable, generally direct rectification filter, do not need to add voltage regulation.