tda2030 amplifier circuit 12v

Posted by: enthusiast  • Information section:Amplifier

tda2030 amplifier circuit 12v

TDA2030A audio Power amplifier circuit, often uses V-type 5-pin single in-line plastic packaging structure. As shown in the figure, the shape of the pin can be divided into H type and V type. 
The integrated circuit is widely used in car stereo receivers and medium power audio equipment, and has the characteristics of small volume, large output power and small distortion. And has an internal protection circuit. Italian SGS company, American RCA company, Japan Hitachi company, NEC company, etc. have similar products. Although their internal circuits are slightly different, the pin positions and functions are the same and can be interchanged.

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Pin definition


1 pin is the positive input
2 feet is the reverse input
3 feet are the negative power input
4 feet is the power output
Pin 5 is the positive power input.


Tda2030 amplifier pin function diagram

Tda2030 amplifier pin function diagram

Limit parameter



 

Circuit characteristics

[1]. There are few external components.
[2]. The output power is large, Po=18W (RL=4Ω).
[3]. The ultra-small package (TO-220) can increase the assembly density.
[4]. The boot impact is minimal.
[5]. Contains various protection circuits, so it is safe and reliable. The main protection circuits are: short circuit protection, thermal protection, grounding accidental open circuit, reverse polarity of power supply (Vmax=12V) and backlash of load bleeder voltage.
[6]. The TDA2030A can operate from ±6V to ±22V. It can output 16W of effective power at ±19V and 8Ω impedance, THD≤0.1%. Undoubtedly, it is a good idea to use it as a power amplifying part or a small power amplifier for low-cost computer active speakers.
 

Precautions


[1].TDA2030A has a load bleeder voltage kickback protection circuit. If the power supply voltage peak voltage is 40V, then an LC filter must be inserted between the 5 pin and the power supply. The diode is limited in voltage (5 feet generate high voltage for any reason, Generally, the coil inductance of the horn acts so that the voltage is equal to the voltage of the power supply to ensure that the pulse train on the 5 pin is maintained within the specified amplitude.
[2]. Thermal protection: The thermal protection has the following advantages: it can easily withstand the overload of the output (even for a long time), or it can protect the environment when it exceeds the temperature.
[3]. Compared with ordinary circuits, adding a heat sink can make it have a higher safety factor. In the event that the junction temperature is exceeded, there will be no damage to the device. If this happens, Po= (and of course Ptot) and Io are reduced.
[4]. Printed circuit board design must take into account the decoupling of ground and output, because these lines have large currents.
[5]. Insulation should be insulated between the heat sink and the lead length should be as short as possible, the soldering temperature should not exceed 260 ° C, 12 seconds.
[6]. Although the TDA2030A requires few components, the selected components must be quality-assured components.

12v tda2030 amplifier Circuit diagram

12v tda2030 amplifier circuit diagram



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read ()  •  Apr 09, 2019  •  Edit


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