Given below is the circuit of a car stereo amplifier that
can be used in cars or other vehicles. We have used TDA1553, which is a Class-B
audio amplifier.
Description :
Here
is the circuit of a car stereo amplifier based on TDA1553. TDA1553 is a
monolithic Class-B audio amplifier which contains 2 x 22 watt amplifiers in bridge tied load
configuration. The amplifier operates from 12V DC and is developed intentionaly
for car audio applications. The IC also has a load of good features like short
circuit protection, load dump protection, reverse polarity protection, loud
speaker protection etc.
In
the circuit , C5 and C4 are input decoupling capacitors while C3 sets the delay
time for loud speaker protection. C1 and C2 are power supply filter capacitors.
Car Stereo Amplifier Circuit diagram:
Car
stereo amplifier circuit schematic
Notes :
- Assemble the circuit on a good quality PCB.
- Use 12V DC for powering the circuit.
- The circuit can deliver 22W per channel into 4 ohm speakers.
- Fit the IC with a proper heat sink
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