tda2009a amplifier circuit diagram | Powerful 200watt Amplifier using tda2009 ic

Diy a TDA2009A Amplifier Circuit 100% Advanced Circuit Diagram  

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Creating a powerful audio amplifier for your projects is a rewarding endeavor. The TDA2009A IC is an excellent choice for a reliable and high-quality amplifier. This guide will walk you through the components required, the assembly process, and important precautions to take. 

Components Needed

To build the TDA2009A amplifier circuit, you will need the following components:-

• TDA2009A IC
• Two 2.2uF 16V capacitors
• Two 220uF 16V capacitors
• Three 1000uF or 2200uF 16V capacitors
• Two 18 ohm resistors
• Two 1 ohm resistors
• Two 1k resistors
• Three 104pF capacitors
• One 22uF 16V capacitor
• Speaker
• Wires
• Soldering iron & soldering wire
• Heatsink
• Audio cable
• 12V adapter or battery

Circuit Diagram 1 

Circuit Diagram 1

Assembly Instructions

Before starting, get information about the capacitors in this image.

Capacitor details

1. Preparation: Gather all components and ensure you have a clear and organized workspace.

2. Circuit Diagram: Carefully follow the circuit diagram. Two diagrams are available:

   First Circuit

• Single Channel Bass and Sound: One channel will produce bass while the other produces sound. This operates on 12V.

  2nd Circuit

• Dual Channel Balanced Bass and Sound: Both channels will produce balanced bass and sound. This also operates on 12V.

Two additional components have been added to this circuit. This is necessary to remove noise and increase the bass as you can see in the diagram.

Components details

• 104pf capacitor

• two 10uf 16v capacitor

• 470uf 16v capacitor 

Keep in mind:- that if you are using the first circuit, then keep in mind that the value of 10uf capacitor should be slightly higher. This will increase the bass well. If there is little sound in the bass then you can increase or decrease the value of the capacitor.

And use only 104pf capacitor. This will give good sound on the other channel.

You can increase or decrease the value of this capacitor as per your choice.

In the second circuit, the value of both the capacitors should be kept the same so that this. Provide well balanced bass on both channels. But keep in mind that you must use this capacitor.

3. Mounting the Components: Begin by placing the TDA2009A IC on the PCB board. Ensure the pins are correctly aligned according to the circuit diagram.

4. Capacitors: Solder the capacitors in place. Ensure correct polarity for electrolytic capacitors (2.2uF, 220uF, 1000uF/2200uF, and 22uF).

5. Resistors: Solder the resistors (18 ohm, 1 ohm, and 1k ohm) in their designated positions.

6. Capacitors: Solder the 104pF capacitors.

7. Connections: Connect the speaker, audio cable, and power supply leads as per the diagram.

8. Heatsink: Attach the heatsink to the TDA2009A IC to prevent overheating.

9. Final Checks: Verify all connections, ensuring no loose or incorrect connections. Double-check the polarity of capacitors and connections to the power supply.

Circuit Diagram 2 

Circuit Diagram 2

Precautions

• Connection Check: After assembly, thoroughly check all connections. Ensure there are no loose or incorrect connections.

• Power Supply: You can use an input voltage ranging from 12V to 14V.

• Speaker Output: Use speakers with an output range of 15W to 20W for optimal performance.

By carefully following these steps, you can successfully build a TDA2009A amplifier circuit. 

The TDA2009 is a dual audio power amplifier IC designed for stereo audio amplification. It's commonly used in car audio systems and multimedia speakers. The IC features two separate amplifiers that provide stereo output. It operates within a voltage range of 12V to 15V and can deliver up to 10W of power per channel.

high output power

(10 + 10W Min. @ D = 1%)

high current capability (up to 3.5a) ac SHORT circuit protection

thermal overload protection

space and cost saving : very low number of external components and simple mounting thanks to the MULTIWATT PACKAGE.

Thermal overload protection

DESCRIPTION

The TDA2009A is class AB dual Hi-Fi Audio power

amplifier assembled in Multiwatt package, spe-

cially designed for high quality stereo application

as Hi-Fi and music centers.

Tda2009 ic Pinout

People also ask

What is the power output of the TDA2009A amplifier circuit?

The TDA2009A amplifier circuit can output between 15W to 20W, making it suitable for small to medium-sized audio projects.

What type of speakers should I use with the TDA2009A amplifier?

It is recommended to use speakers with a power rating of 15W to 20W for optimal performance and sound quality.

Can I use a different voltage power supply for the TDA2009A amplifier?

The TDA2009A amplifier circuit is designed to operate within a voltage range of 12V to 14V. Using a power supply outside this range may damage the components or affect performance.