20W BTL Power Amplifier TDA2005

Thursday, April 19th, 2018 - Audio Circuit

20W BTL power amplifier TDA2005 this is a class B power amplifier designed specifically for the power amplifier on the car. BTL power amplifier circuit with TDA2005 IC can be operated with DC voltage source +12 volts to +18 volts DC. In addition to a power amplifier in car circuit TDA2005 power amplifier IC can also be used as a power amplifier in a circuit of mini subwoofer. 20 watts of output power produced by a series of BTL power amplifier IC TD2005 is obtained when the power amplifier output is given loudspeaker 4 Ohm load. The circuit of 20W BTL power amplifier TDA2005 is quite simple and easy to use components that are obtainable in the market so that it can be made easily. To make or assemble a circuit of 20W BTL power amplifier TDA2005 can be seen in the following schematic circuit.

The Circuit Of 20W BTL Power Amplifier TDA2005

20W BTL Power Amplifier TDA2005

The circuit of 20W BTL power amplifier TDA2005 in the image above is only equipped with a volume control only and is not equipped with a tone control.

Feature of 20W BTL Power Amplifier TDA2005

IC TDA2005 is used in the power amplifier circuit has many features above the corresponding datasheet as follows:

  • Po = 10 + 10 W @ RL = 2 Ω, THD = 10%
  • Po = 20 W @ RL = 4 Ω, THD = 10%.
  • DC and AC output short circuit to ground
  • Overrating chip temperature
  • Load dump surge voltage
  • Fortuitous open ground
  • Very inductive loads
  • Loudspeaker protection during short circuit for one wire to ground

TDA2005 IC on the circuit 20W BTL power amplifier TDA2005 in the image above must be equipped with cooling (heat sink) to absorb heat generated by the IC at the time of the circuit 20W BTL power amplifier TDA2005 work with maximum power.

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